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o={singleton:!0,hmr:!0,transform:void 0,insertInto:void 0};n(1)(i,o);i.locals&&(t.exports=i.locals)},function(t,e){t.exports=".ck-content blockquote{overflow:hidden;padding-right:1.5em;padding-left:1.5em;margin-left:0;font-style:italic;border-left:5px solid #ccc}"},function(t,e,n){var i=n(80);"string"==typeof i&&(i=[[t.i,i,""]]);var o={singleton:!0,hmr:!0,transform:void 0,insertInto:void 0};n(1)(i,o);i.locals&&(t.exports=i.locals)},function(t,e){t.exports=".ck .ck-widget.ck-widget_selectable{position:relative}.ck .ck-widget.ck-widget_selectable .ck-widget__selection-handler{visibility:hidden;position:absolute}.ck .ck-widget.ck-widget_selectable .ck-widget__selection-handler .ck-icon{display:block}.ck .ck-widget.ck-widget_selectable.ck-widget_selected .ck-widget__selection-handler,.ck .ck-widget.ck-widget_selectable:hover 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i=n(86);"string"==typeof i&&(i=[[t.i,i,""]]);var o={singleton:!0,hmr:!0,transform:void 0,insertInto:void 0};n(1)(i,o);i.locals&&(t.exports=i.locals)},function(t,e){t.exports=".ck.ck-text-alternative-form{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-text-alternative-form .ck-labeled-input{display:inline-block}.ck.ck-text-alternative-form .ck-label{display:none}@media screen and (max-width:600px){.ck.ck-text-alternative-form{flex-wrap:wrap}.ck.ck-text-alternative-form .ck-labeled-input{flex-basis:100%}.ck.ck-text-alternative-form .ck-button{flex-basis:50%}}.ck.ck-text-alternative-form{padding:var(--ck-spacing-standard)}.ck.ck-text-alternative-form:focus{outline:none}.ck.ck-text-alternative-form>:not(:first-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-text-alternative-form{padding:0;width:calc(0.8*var(--ck-input-text-width))}.ck.ck-text-alternative-form .ck-labeled-input{margin:var(--ck-spacing-standard) var(--ck-spacing-standard) 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this._fireChange("attributes",this),"class"==t?this._classes.size>0&&(this._classes.clear(),!0):"style"==t?this._styles.size>0&&(this._styles.clear(),!0):this._attrs.delete(t)}_addClass(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._classes.add(t))}_removeClass(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._classes.delete(t))}_setStyle(t,e){if(this._fireChange("attributes",this),C(t)){const e=Object.keys(t);for(const n of e)this._styles.set(n,t[n])}else this._styles.set(t,e)}_removeStyle(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._styles.delete(t))}_setCustomProperty(t,e){this._customProperties.set(t,e)}_removeCustomProperty(t){return this._customProperties.delete(t)}}function pi(t,e){let n=null,i=0,o=0,r=null;if(t.clear(),""!==e){";"!=e.charAt(e.length-1)&&(e+=";");for(let s=0;s<e.length;s++){const 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e=this.position,n=t.parent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let i;if(n instanceof ci){if(t.isAtStart)return this.position=$i._createBefore(n),this._previous();i=n.data[t.offset-1]}else i=n.getChild(t.offset-1);if(i instanceof mi)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",i,e,t,1)):(t=new $i(i,i.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",i,e,t));if(i instanceof ci){if(this.singleCharacters)return t=new $i(i,i.data.length),this.position=t,this._previous();{let n,o=i.data.length;if(i==this._boundaryStartParent){const e=this.boundaries.start.offset;o=(n=new li(i,e,i.data.length-e)).data.length,t=$i._createBefore(n)}else n=new li(i,0,i.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",n,e,t,o)}}if("string"==typeof i){let 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$i(n,e)}}static _createAfter(t){if(t.is("textProxy"))return new $i(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new P.b("view-position-after-root: You can not make position after root.",{root:t});return new $i(t.parent,t.index+1)}static _createBefore(t){if(t.is("textProxy"))return new $i(t.textNode,t.offsetInText);if(!t.parent)throw new P.b("view-position-before-root: You can not make position before root.",{root:t});return new $i(t.parent,t.index)}}class Gi{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Yi({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(Qi,{direction:"backward"}),e=this.end.getLastMatchingPosition(Qi);return t.parent.is("text")&&t.isAtStart&&(t=$i._createBefore(t.parent)),e.parent.is("text")&&e.isAtEnd&&(e=$i._createAfter(e.parent)),new Gi(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(Qi);if(t.isAfter(this.end)||t.isEqual(this.end))return new Gi(t,t);let e=this.end.getLastMatchingPosition(Qi,{direction:"backward"});const n=t.nodeAfter,i=e.nodeBefore;return n&&n.is("text")&&(t=new $i(n,0)),i&&i.is("text")&&(e=new $i(i,i.data.length)),new Gi(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Gi(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Gi(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new Gi(e,n)}return null}getWalker(t={}){return t.boundaries=this,new Yi(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}clone(){return new Gi(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Yi(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Yi(t);yield e.position;for(const t of e)yield t.nextPosition}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,n,i){return new this(new $i(t,e),new $i(n,i))}static _createFromPositionAndShift(t,e){const n=t,i=t.getShiftedBy(e);return e>0?new this(n,i):new this(i,n)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("textProxy")?t.offsetSize:1;return this._createFromPositionAndShift($i._createBefore(t),e)}}function Qi(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function Ki(t){let e=0;for(const n of t)e++;return e}class Ji{constructor(t=null,e,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const i of t._ranges)if(e.isEqual(i)){n=!0;break}if(!n)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=Ki(this.getRanges());if(e!=Ki(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let n=!1;for(let i of t.getRanges())if(i=i.getTrimmed(),e.start.isEqual(i.start)&&e.end.isEqual(i.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange(),e=t.start.nodeAfter,n=t.end.nodeBefore;return e instanceof mi&&e==n?e:null}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof Ji||t instanceof Zi)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof Gi)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof $i)this._setRanges([new Gi(t)]),this._setFakeOptions(e);else if(t instanceof ai){const i=!!n&&!!n.backward;let o;if(void 0===e)throw new P.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.");o="in"==e?Gi._createIn(t):"on"==e?Gi._createOn(t):new Gi($i._createAt(t,e)),this._setRanges([o],i),this._setFakeOptions(n)}else{if(!ui(t))throw new P.b("view-selection-setTo-not-selectable: Cannot set selection to given place.");this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new P.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.");const n=$i._createAt(t,e);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),"before"==n.compareWith(i)?this._addRange(new Gi(n,i),!0):this._addRange(new Gi(i,n)),this.fire("change")}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof Gi))throw new P.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range");this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new P.b("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",{addedRange:t,intersectingRange:e});this._ranges.push(new Gi(t.start,t.end))}}F(Ji,R);class Zi{constructor(t=null,e,n){this._selection=new Ji,this._selection.delegate("change").to(this),this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}F(Zi,R);class Xi{constructor(t={}){this._items=[],this._itemMap=new Map,this._idProperty=t.idProperty||"id",this._bindToExternalToInternalMap=new WeakMap,this._bindToInternalToExternalMap=new WeakMap,this._skippedIndexesFromExternal=[]}get length(){return this._items.length}get first(){return this._items[0]||null}get last(){return this._items[this.length-1]||null}add(t,e){let n;const i=this._idProperty;if(i in t){if("string"!=typeof(n=t[i]))throw new P.b("collection-add-invalid-id");if(this.get(n))throw new P.b("collection-add-item-already-exists")}else t[i]=n=E();if(void 0===e)e=this._items.length;else if(e>this._items.length||e<0)throw new P.b("collection-add-item-invalid-index");return this._items.splice(e,0,t),this._itemMap.set(n,t),this.fire("add",t,e),this}get(t){let e;if("string"==typeof t)e=this._itemMap.get(t);else{if("number"!=typeof t)throw new P.b("collection-get-invalid-arg: Index or id must be given.");e=this._items[t]}return e||null}getIndex(t){let e;return e="string"==typeof t?this._itemMap.get(t):t,this._items.indexOf(e)}remove(t){let e,n,i,o=!1;const r=this._idProperty;if("string"==typeof t?(n=t,o=!(i=this._itemMap.get(n)),i&&(e=this._items.indexOf(i))):"number"==typeof t?(e=t,o=!(i=this._items[e]),i&&(n=i[r])):(n=(i=t)[r],o=-1==(e=this._items.indexOf(i))||!this._itemMap.get(n)),o)throw new P.b("collection-remove-404: Item not found.");this._items.splice(e,1),this._itemMap.delete(n);const s=this._bindToInternalToExternalMap.get(i);return this._bindToInternalToExternalMap.delete(i),this._bindToExternalToInternalMap.delete(s),this.fire("remove",i,e),i}map(t,e){return this._items.map(t,e)}find(t,e){return this._items.find(t,e)}filter(t,e){return this._items.filter(t,e)}clear(){for(this._bindToCollection&&(this.stopListening(this._bindToCollection),this._bindToCollection=null);this.length;)this.remove(0)}bindTo(t){if(this._bindToCollection)throw new P.b("collection-bind-to-rebind: The collection cannot be bound more than once.");return this._bindToCollection=t,{as:t=>{this._setUpBindToBinding(e=>new t(e))},using:t=>{"function"==typeof t?this._setUpBindToBinding(e=>t(e)):this._setUpBindToBinding(e=>e[t])}}}_setUpBindToBinding(t){const e=this._bindToCollection,n=(n,i,o)=>{const r=e._bindToCollection==this,s=e._bindToInternalToExternalMap.get(i);if(r&&s)this._bindToExternalToInternalMap.set(i,s),this._bindToInternalToExternalMap.set(s,i);else{const n=t(i);if(!n)return void this._skippedIndexesFromExternal.push(o);let r=o;for(const t of this._skippedIndexesFromExternal)o>t&&r--;for(const t of e._skippedIndexesFromExternal)r>=t&&r++;this._bindToExternalToInternalMap.set(i,n),this._bindToInternalToExternalMap.set(n,i),this.add(n,r);for(let t=0;t<e._skippedIndexesFromExternal.length;t++)r<=e._skippedIndexesFromExternal[t]&&e._skippedIndexesFromExternal[t]++}};for(const t of e)n(0,t,e.getIndex(t));this.listenTo(e,"add",n),this.listenTo(e,"remove",(t,e,n)=>{const i=this._bindToExternalToInternalMap.get(e);i&&this.remove(i),this._skippedIndexesFromExternal=this._skippedIndexesFromExternal.reduce((t,e)=>(n<e&&t.push(e-1),n>e&&t.push(e),t),[])})}[Symbol.iterator](){return this._items[Symbol.iterator]()}}F(Xi,R);class to{constructor(){this.selection=new Zi,this.roots=new Xi({idProperty:"rootName"}),this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t))break}while(e)}}F(to,Li);const eo=10;class no extends mi{constructor(t,e,n){super(t,e,n),this.getFillerOffset=io,this._priority=eo,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new P.b("attribute-element-get-elements-with-same-id-no-id: Cannot get elements with the same id for an attribute element without id.");return new Set(this._clonesGroup)}is(t,e=null){return e?"attributeElement"==t&&e==this.name||super.is(t,e):"attributeElement"==t||super.is(t)}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function io(){if(oo(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(oo(t)>1)return null;t=t.parent}return!t||oo(t)>1?null:this.childCount}function oo(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}no.DEFAULT_PRIORITY=eo;class ro extends mi{constructor(t,e,n){super(t,e,n),this.getFillerOffset=so}is(t,e=null){return e?"emptyElement"==t&&e==this.name||super.is(t,e):"emptyElement"==t||super.is(t)}_insertChild(t,e){if(e&&(e instanceof ai||Array.from(e).length>0))throw new P.b("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.")}}function so(){return null}const ao=navigator.userAgent.toLowerCase();var co={isMac:function(t){return t.indexOf("macintosh")>-1}(ao),isEdge:function(t){return!!t.match(/edge\/(\d+.?\d*)/)}(ao),isGecko:function(t){return!!t.match(/gecko\/\d+/)}(ao)};const lo={"⌘":"ctrl","⇧":"shift","⌥":"alt"},uo={ctrl:"⌘",shift:"⇧",alt:"⌥"},ho=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){const n=String.fromCharCode(e);t[n.toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function fo(t){let e;if("string"==typeof t){if(!(e=ho[t.toLowerCase()]))throw new P.b("keyboard-unknown-key: Unknown key name.",{key:t})}else e=t.keyCode+(t.altKey?ho.alt:0)+(t.ctrlKey?ho.ctrl:0)+(t.shiftKey?ho.shift:0);return e}function mo(t){return"string"==typeof t&&(t=po(t)),t.map(t=>"string"==typeof t?fo(t):t).reduce((t,e)=>e+t,0)}function po(t){return t.split(/\s*\+\s*/)}class go extends mi{constructor(t,e,n){super(t,e,n),this.getFillerOffset=wo}is(t,e=null){return e?"uiElement"==t&&e==this.name||super.is(t,e):"uiElement"==t||super.is(t)}_insertChild(t,e){if(e&&(e instanceof ai||Array.from(e).length>0))throw new P.b("view-uielement-cannot-add: Cannot add child nodes to UIElement instance.")}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function bo(t){t.document.on("keydown",(e,n)=>(function(t,e,n){if(e.keyCode==ho.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),i=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(i||e.shiftKey){const e=t.focusNode,o=t.focusOffset,r=n.domPositionToView(e,o);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(t=>(t.item.is("uiElement")&&(s=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement"))));if(s){const e=n.viewPositionToDom(a);i?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}})(0,n,t.domConverter))}function wo(){return null}class ko{constructor(t){this._children=[],t&&this._insertChild(0,t)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let n=0;const i=function(t){if("string"==typeof t)return[new ci(t)];ui(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new ci(t):t instanceof li?new ci(t.data):t)}(e);for(const e of i)null!==e.parent&&e._remove(),e.parent=this,this._children.splice(t,0,e),t++,n++;return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n<t+e;n++)this._children[n].parent=null;return this._children.splice(t,e)}_fireChange(t,e){this.fire("change:"+t,e)}}F(ko,R);class _o{constructor(t){this.document=t,this._cloneGroups=new Map}setSelection(t,e,n){this.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this.document.selection._setFocus(t,e)}createText(t){return new ci(t)}createAttributeElement(t,e,n={}){const i=new no(t,e);return n.priority&&(i._priority=n.priority),n.id&&(i._id=n.id),i}createContainerElement(t,e){return new bi(t,e)}createEditableElement(t,e){const n=new Hi(t,e);return n._document=this.document,n}createEmptyElement(t,e){return new ro(t,e)}createUIElement(t,e,n){const i=new go(t,e);return n&&(i.render=n),i}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){C(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){return t instanceof $i?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is("containerElement"))throw new P.b("view-writer-break-non-container-element: Trying to break an element which is not a container element.");if(!e.parent)throw new P.b("view-writer-break-root: Trying to break root element.");if(t.isAtStart)return $i._createBefore(e);if(!t.isAtEnd){const n=e._clone(!1);this.insert($i._createAfter(e),n);const i=new Gi(t,$i._createAt(e,"end")),o=new $i(n,0);this.move(i,o)}return $i._createAfter(e)}mergeAttributes(t){const e=t.offset,n=t.parent;if(n.is("text"))return t;if(n.is("attributeElement")&&0===n.childCount){const t=n.parent,e=n.index;return n._remove(),this._removeFromClonedElementsGroup(n),this.mergeAttributes(new $i(t,e))}const i=n.getChild(e-1),o=n.getChild(e);if(!i||!o)return t;if(i.is("text")&&o.is("text"))return Co(i,o);if(i.is("attributeElement")&&o.is("attributeElement")&&i.isSimilar(o)){const t=i.childCount;return i._appendChild(o.getChildren()),o._remove(),this._removeFromClonedElementsGroup(o),this.mergeAttributes(new $i(i,t))}return t}mergeContainers(t){const e=t.nodeBefore,n=t.nodeAfter;if(!(e&&n&&e.is("containerElement")&&n.is("containerElement")))throw new P.b("view-writer-merge-containers-invalid-position: Element before and after given position cannot be merged.");const i=e.getChild(e.childCount-1),o=i instanceof ci?$i._createAt(i,"end"):$i._createAt(e,"end");return this.move(Gi._createIn(n),$i._createAt(e,"end")),this.remove(Gi._createOn(n)),o}insert(t,e){(function t(e){for(const n of e){if(!To.some(t=>n instanceof t))throw new P.b("view-writer-insert-invalid-node");n.is("text")||t(n.getChildren())}})(e=ui(e)?[...e]:[e]);const n=vo(t);if(!n)throw new P.b("view-writer-invalid-position-container");const i=this._breakAttributes(t,!0),o=n._insertChild(i.offset,e);for(const t of e)this._addToClonedElementsGroup(t);const r=i.getShiftedBy(o),s=this.mergeAttributes(i);if(0===o)return new Gi(s,s);{s.isEqual(i)||r.offset--;const t=this.mergeAttributes(r);return new Gi(s,t)}}remove(t){const e=t instanceof Gi?t:Gi._createOn(t);if(Mo(e),e.isCollapsed)return new ko;const{start:n,end:i}=this._breakAttributesRange(e,!0),o=n.parent,r=i.offset-n.offset,s=o._removeChildren(n.offset,r);for(const t of s)this._removeFromClonedElementsGroup(t);const a=this.mergeAttributes(n);return e.start=a,e.end=a.clone(),new ko(s)}clear(t,e){Mo(t);const n=t.getWalker({direction:"backward",ignoreElementEnd:!0});for(const i of n){const n=i.item;let o;if(n.is("element")&&e.isSimilar(n))o=Gi._createOn(n);else if(!i.nextPosition.isAfter(t.start)&&n.is("textProxy")){const t=n.getAncestors().find(t=>t.is("element")&&e.isSimilar(t));t&&(o=Gi._createIn(t))}o&&(o.end.isAfter(t.end)&&(o.end=t.end),o.start.isBefore(t.start)&&(o.start=t.start),this.remove(o))}}move(t,e){let n;if(e.isAfter(t.end)){const i=(e=this._breakAttributes(e,!0)).parent,o=i.childCount;t=this._breakAttributesRange(t,!0),n=this.remove(t),e.offset+=i.childCount-o}else n=this.remove(t);return this.insert(e,n)}wrap(t,e){if(!(e instanceof no))throw new P.b("view-writer-wrap-invalid-attribute");if(Mo(t),t.isCollapsed){let n=t.start;n.parent.is("element")&&!function(t){return Array.from(t.getChildren()).some(t=>!t.is("uiElement"))}(n.parent)&&(n=n.getLastMatchingPosition(t=>t.item.is("uiElement"))),n=this._wrapPosition(n,e);const i=this.document.selection;return i.isCollapsed&&i.getFirstPosition().isEqual(t.start)&&this.setSelection(n),new Gi(n)}return this._wrapRange(t,e)}unwrap(t,e){if(!(e instanceof no))throw new P.b("view-writer-unwrap-invalid-attribute");if(Mo(t),t.isCollapsed)return t;const{start:n,end:i}=this._breakAttributesRange(t,!0);if(i.isEqual(n.getShiftedBy(1))){const t=n.nodeAfter;if(!e.isSimilar(t)&&t instanceof no&&this._unwrapAttributeElement(e,t)){const t=this.mergeAttributes(n);t.isEqual(n)||i.offset--;const e=this.mergeAttributes(i);return new Gi(t,e)}}const o=n.parent,r=this._unwrapChildren(o,n.offset,i.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new Gi(s,a)}rename(t,e){const n=new bi(t,e.getAttributes());return this.insert($i._createAfter(e),n),this.move(Gi._createIn(e),$i._createAt(n,0)),this.remove(Gi._createOn(e)),n}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return $i._createAt(t,e)}createPositionAfter(t){return $i._createAfter(t)}createPositionBefore(t){return $i._createBefore(t)}createRange(t,e){return new Gi(t,e)}createRangeOn(t){return Gi._createOn(t)}createRangeIn(t){return Gi._createIn(t)}createSelection(t,e,n){return new Ji(t,e,n)}_wrapChildren(t,e,n,i){let o=e;const r=[];for(;o<n;){const e=t.getChild(o),n=e.is("text"),s=e.is("attributeElement"),a=e.is("emptyElement"),c=e.is("uiElement");if(n||a||c||s&&yo(i,e)){const n=i._clone();e._remove(),n._appendChild(e),t._insertChild(o,n),this._addToClonedElementsGroup(n),r.push(new $i(t,o))}else s&&this._wrapChildren(e,0,e.childCount,i);o++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e)continue;this.mergeAttributes(t).isEqual(t)||(s++,n--)}return Gi._createFromParentsAndOffsets(t,e,t,n)}_unwrapChildren(t,e,n,i){let o=e;const r=[];for(;o<n;){const e=t.getChild(o);if(e.isSimilar(i)){const i=e.getChildren(),s=e.childCount;e._remove(),t._insertChild(o,i),this._removeFromClonedElementsGroup(e),r.push(new $i(t,o),new $i(t,o+s)),o+=s,n+=s-1}else e.is("attributeElement")&&this._unwrapChildren(e,0,e.childCount,i),o++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e||t.offset==n)continue;this.mergeAttributes(t).isEqual(t)||(s++,n--)}return Gi._createFromParentsAndOffsets(t,e,t,n)}_wrapRange(t,e){if(function(t){return t.start.parent==t.end.parent&&t.start.parent.is("attributeElement")&&0===t.start.offset&&t.end.offset===t.start.parent.childCount}(t)&&this._wrapAttributeElement(e,t.start.parent)){const e=t.start.parent,n=this.mergeAttributes($i._createAfter(e)),i=this.mergeAttributes($i._createBefore(e));return new Gi(i,n)}const{start:n,end:i}=this._breakAttributesRange(t,!0);if(i.isEqual(n.getShiftedBy(1))){const t=n.nodeAfter;if(t instanceof no&&this._wrapAttributeElement(e,t)){const t=this.mergeAttributes(n);t.isEqual(n)||i.offset--;const e=this.mergeAttributes(i);return new Gi(t,e)}}const o=n.parent,r=this._unwrapChildren(o,n.offset,i.offset,e),s=this._wrapChildren(o,r.start.offset,r.end.offset,e),a=this.mergeAttributes(s.start);a.isEqual(s.start)||s.end.offset--;const c=this.mergeAttributes(s.end);return new Gi(a,c)}_wrapPosition(t,e){if(e.isSimilar(t.parent))return xo(t.clone());t.parent.is("text")&&(t=Ao(t));const n=this.createAttributeElement();n._priority=Number.POSITIVE_INFINITY,n.isSimilar=(()=>!1),t.parent._insertChild(t.offset,n);const i=new Gi(t,t.getShiftedBy(1));this.wrap(i,e);const o=new $i(n.parent,n.index);n._remove();const r=o.nodeBefore,s=o.nodeAfter;return r instanceof ci&&s instanceof ci?Co(r,s):xo(o)}_wrapAttributeElement(t,e){if(!So(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const n of t.getAttributeKeys())if("class"!==n&&"style"!==n&&e.hasAttribute(n)&&e.getAttribute(n)!==t.getAttribute(n))return!1;for(const n of t.getStyleNames())if(e.hasStyle(n)&&e.getStyle(n)!==t.getStyle(n))return!1;for(const n of t.getAttributeKeys())"class"!==n&&"style"!==n&&(e.hasAttribute(n)||this.setAttribute(n,t.getAttribute(n),e));for(const n of t.getStyleNames())e.hasStyle(n)||this.setStyle(n,t.getStyle(n),e);for(const n of t.getClassNames())e.hasClass(n)||this.addClass(n,e);return!0}_unwrapAttributeElement(t,e){if(!So(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const n of t.getAttributeKeys())if("class"!==n&&"style"!==n&&(!e.hasAttribute(n)||e.getAttribute(n)!==t.getAttribute(n)))return!1;if(!e.hasClass(...t.getClassNames()))return!1;for(const n of t.getStyleNames())if(!e.hasStyle(n)||e.getStyle(n)!==t.getStyle(n))return!1;for(const n of t.getAttributeKeys())"class"!==n&&"style"!==n&&this.removeAttribute(n,e);return this.removeClass(Array.from(t.getClassNames()),e),this.removeStyle(Array.from(t.getStyleNames()),e),!0}_breakAttributesRange(t,e=!1){const n=t.start,i=t.end;if(Mo(t),t.isCollapsed){const n=this._breakAttributes(t.start,e);return new Gi(n,n)}const o=this._breakAttributes(i,e),r=o.parent.childCount,s=this._breakAttributes(n,e);return o.offset+=o.parent.childCount-r,new Gi(s,o)}_breakAttributes(t,e=!1){const n=t.offset,i=t.parent;if(t.parent.is("emptyElement"))throw new P.b("view-writer-cannot-break-empty-element");if(t.parent.is("uiElement"))throw new P.b("view-writer-cannot-break-ui-element");if(!e&&i.is("text")&&Po(i.parent))return t.clone();if(Po(i))return t.clone();if(i.is("text"))return this._breakAttributes(Ao(t),e);if(n==i.childCount){const t=new $i(i.parent,i.index+1);return this._breakAttributes(t,e)}if(0===n){const t=new $i(i.parent,i.index);return this._breakAttributes(t,e)}{const t=i.index+1,o=i._clone();i.parent._insertChild(t,o),this._addToClonedElementsGroup(o);const r=i.childCount-n,s=i._removeChildren(n,r);o._appendChild(s);const a=new $i(i.parent,t);return this._breakAttributes(a,e)}}_addToClonedElementsGroup(t){if(!t.root.is("rootElement"))return;if(t.is("element"))for(const e of t.getChildren())this._addToClonedElementsGroup(e);const e=t.id;if(!e)return;let n=this._cloneGroups.get(e);n||(n=new Set,this._cloneGroups.set(e,n)),n.add(t),t._clonesGroup=n}_removeFromClonedElementsGroup(t){if(t.is("element"))for(const e of t.getChildren())this._removeFromClonedElementsGroup(e);const e=t.id;if(!e)return;const n=this._cloneGroups.get(e);n&&n.delete(t)}}function vo(t){let e=t.parent;for(;!Po(e);){if(!e)return;e=e.parent}return e}function yo(t,e){return t.priority<e.priority||!(t.priority>e.priority)&&t.getIdentity()<e.getIdentity()}function xo(t){const e=t.nodeBefore;if(e&&e.is("text"))return new $i(e,e.data.length);const n=t.nodeAfter;return n&&n.is("text")?new $i(n,0):t}function Ao(t){if(t.offset==t.parent.data.length)return new $i(t.parent.parent,t.parent.index+1);if(0===t.offset)return new $i(t.parent.parent,t.parent.index);const e=t.parent.data.slice(t.offset);return t.parent._data=t.parent.data.slice(0,t.offset),t.parent.parent._insertChild(t.parent.index+1,new ci(e)),new $i(t.parent.parent,t.parent.index+1)}function Co(t,e){const n=t.data.length;return t._data+=e.data,e._remove(),new $i(t,n)}const To=[ci,no,bi,ro,go];function Po(t){return t&&(t.is("containerElement")||t.is("documentFragment"))}function Mo(t){const e=vo(t.start),n=vo(t.end);if(!e||!n||e!==n)throw new P.b("view-writer-invalid-range-container")}function So(t,e){return null===t.id&&null===e.id}function Eo(t){return"[object Text]"==Object.prototype.toString.call(t)}const Io=t=>{const e=t.createElement("br");return e.dataset.ckeFiller=!0,e},No=t=>t.createTextNode(" "),Oo=7;let Ro="";for(let t=0;t<Oo;t++)Ro+="​";function Do(t){return Eo(t)&&t.data.substr(0,Oo)===Ro}function Lo(t){return t.data.length==Oo&&Do(t)}function jo(t){return Do(t)?t.data.slice(Oo):t.data}const Vo=new WeakMap;function zo(t,e){let n=Vo.get(e);return n||(n=e(window.document),Vo.set(e,n)),t.isEqualNode(n)}function Bo(t,e){if(e.keyCode==ho.arrowleft){const t=e.domTarget.ownerDocument.defaultView.getSelection();if(1==t.rangeCount&&t.getRangeAt(0).collapsed){const e=t.getRangeAt(0).startContainer,n=t.getRangeAt(0).startOffset;Do(e)&&n<=Oo&&t.collapse(e,0)}}}function Fo(t,e,n){let i,o;if(n=n||function(t,e){return t===e},e.length<t.length){const n=t;t=e,e=n,i="delete",o="insert"}else i="insert",o="delete";const r=t.length,s=e.length,a=s-r,c={},l={};function d(a){const d=(void 0!==l[a-1]?l[a-1]:-1)+1,u=void 0!==l[a+1]?l[a+1]:-1,h=d>u?-1:1;c[a+h]&&(c[a]=c[a+h].slice(0)),c[a]||(c[a]=[]),c[a].push(d>u?i:o);let f=Math.max(d,u),m=f-a;for(;m<r&&f<s&&n(t[m],e[f]);)m++,f++,c[a].push("equal");return f}let u,h=0;do{for(u=-h;u<a;u++)l[u]=d(u);for(u=a+h;u>a;u--)l[u]=d(u);l[a]=d(a),h++}while(l[a]!==s);return c[a].slice(1)}function Uo(t,e,n){t.insertBefore(n,t.childNodes[e]||null)}function Ho(t){const e=t.parentNode;e&&e.removeChild(t)}function qo(t){if(t){if(t.defaultView)return t instanceof t.defaultView.Document;if(t.ownerDocument&&t.ownerDocument.defaultView)return t instanceof t.ownerDocument.defaultView.Node}return!1}function Wo(t,e){if(t===e)return[];return function(t,e){const n=[],{firstIndex:i,lastIndexOld:o,lastIndexNew:r}=e;r-i>0&&n.push({index:i,type:"insert",values:t.substring(i,r).split("")});o-i>0&&n.push({index:i+(r-i),type:"delete",howMany:o-i});return n}(e,function(t,e){const n=Yo(t,e),i=$o(t,n),o=$o(e,n),r=Yo(i,o),s=t.length-r,a=e.length-r;return{firstIndex:n,lastIndexOld:s,lastIndexNew:a}}(t,e))}function Yo(t,e){for(let n=0;n<Math.max(t.length,e.length);n++)if(t[n]!==e[n])return n}function $o(t,e){return t.substring(e).split("").reverse().join("")}class Go{constructor(t,e){this.domDocuments=new Set,this.domConverter=t,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this.selection=e,this.isFocused=!1,this._inlineFiller=null,this._fakeSelectionContainer=null}markToSync(t,e){if("text"===t)this.domConverter.mapViewToDom(e.parent)&&this.markedTexts.add(e);else{if(!this.domConverter.mapViewToDom(e))return;if("attributes"===t)this.markedAttributes.add(e);else{if("children"!==t)throw new P.b("view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.");this.markedChildren.add(e)}}}render(){let t;for(const t of this.markedChildren)this._updateChildrenMappings(t);this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?t=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(t=this.selection.getFirstPosition(),this.markedChildren.add(t.parent));for(const t of this.markedAttributes)this._updateAttrs(t);for(const e of this.markedChildren)this._updateChildren(e,{inlineFillerPosition:t});for(const e of this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),n=e.parent.ownerDocument;Do(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=Qo(n,e.parent,e.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=this.domConverter.mapViewToDom(t).childNodes,i=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),o=this._diffNodeLists(n,i),r=this._findReplaceActions(o,n,i);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const o of r)if("replace"===o){const o=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(o);s&&!s.is("uiElement")&&this._updateElementMappings(s,n[r]),Ho(i[o]),e.equal++}else e[o]++}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e),this.domConverter.bindElements(e,t),this.markedChildren.add(t),this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();return t.parent.is("text")?$i._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&Eo(e.parent)&&Do(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!Do(t))throw new P.b("view-renderer-filler-was-lost: The inline filler node was lost.");Lo(t)?t.parentNode.removeChild(t):t.data=t.data.substr(Oo),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,n=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor(t=>t.hasAttribute("contenteditable"));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(n===e.getFillerOffset())return!1;const i=t.nodeBefore,o=t.nodeAfter;return!(i instanceof ci||o instanceof ci)}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t),i=this.domConverter.viewToDom(t,n.ownerDocument),o=n.data;let r=i.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=Ro+r),o!=r){const t=Wo(o,r);for(const e of t)"insert"===e.type?n.insertData(e.index,e.values.join("")):n.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=Array.from(e.attributes).map(t=>t.name),i=t.getAttributeKeys();for(const n of i)e.setAttribute(n,t.getAttribute(n));for(const i of n)t.hasAttribute(i)||e.removeAttribute(i)}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n)return;const i=e.inlineFillerPosition,o=this.domConverter.mapViewToDom(t).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:!0,inlineFillerPosition:i}));i&&i.parent===t&&Qo(n.ownerDocument,r,i.offset);const s=this._diffNodeLists(o,r);let a=0;const c=new Set;for(const t of s)"insert"===t?(Uo(n,a,r[a]),a++):"delete"===t?(c.add(o[a]),Ho(o[a])):(this._markDescendantTextToSync(this.domConverter.domToView(r[a])),a++);for(const t of c)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return Fo(t,e,function(t,e,n){if(e===n)return!0;if(Eo(e)&&Eo(n))return e.data===n.data;if(zo(e,t)&&zo(n,t))return!0;return!1}.bind(null,this.domConverter.blockFiller))}_findReplaceActions(t,e,n){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let i=[],o=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(n[s.equal+s.insert]):"delete"===a?o.push(e[s.equal+s.delete]):((i=i.concat(Fo(o,r,Ko).map(t=>"equal"===t?"replace":t))).push("equal"),o=[],r=[]),s[a]++;return i.concat(Fo(o,r,Ko).map(t=>"equal"===t?"replace":t))}_markDescendantTextToSync(t){if(t)if(t.is("text"))this.markedTexts.add(t);else if(t.is("element"))for(const e of t.getChildren())this._markDescendantTextToSync(e)}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const t=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&t&&(this.selection.isFake?this._updateFakeSelection(t):(this._removeFakeSelection(),this._updateDomSelection(t)))}_updateFakeSelection(t){const e=t.ownerDocument;let n=this._fakeSelectionContainer;n||(this._fakeSelectionContainer=n=e.createElement("div"),Object.assign(n.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),n.appendChild(e.createTextNode(" "))),n.parentElement||t.appendChild(n),n.firstChild.data=this.selection.fakeSelectionLabel||" ";const i=e.getSelection(),o=e.createRange();i.removeAllRanges(),o.selectNodeContents(n),i.addRange(o),this.domConverter.bindFakeSelection(n,this.selection)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const n=this.domConverter.viewPositionToDom(this.selection.anchor),i=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(n.parent,n.offset),e.extend(i.parent,i.offset),co.isGecko&&function(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1)return;const i=n.childNodes[t.offset];i&&"BR"==i.tagName&&e.addRange(e.getRangeAt(0))}(i,e)}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t))return!0;const e=t&&this.domConverter.domSelectionToView(t);return(!e||!this.selection.isEqual(e))&&!(!this.selection.isCollapsed&&this.selection.isSimilar(e))}_removeDomSelection(){for(const t of this.domDocuments){if(t.getSelection().rangeCount){const e=t.activeElement,n=this.domConverter.mapDomToView(e);e&&n&&t.getSelection().removeAllRanges()}}}_removeFakeSelection(){const t=this._fakeSelectionContainer;t&&t.remove()}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;t&&this.domConverter.focus(t)}}}function Qo(t,e,n){const i=e instanceof Array?e:e.childNodes,o=i[n];if(Eo(o))return o.data=Ro+o.data,o;{const o=t.createTextNode(Ro);return Array.isArray(e)?i.splice(n,0,o):Uo(e,n,o),o}}function Ko(t,e){return qo(t)&&qo(e)&&!Eo(t)&&!Eo(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}F(Go,Li);var 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a=setTimeout(p,e),f(c)}return void 0===a&&(a=setTimeout(p,e)),s}return e=as(e)||0,it(n)&&(d=!!n.leading,r=(u="maxWait"in n)?ls(as(n.maxWait)||0,e):r,h="trailing"in n?!!n.trailing:h),b.cancel=function(){void 0!==a&&clearTimeout(a),l=0,i=c=o=a=void 0},b.flush=function(){return void 0===a?s:g(Zr())},b};class hs extends cr{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=us(t=>this.document.fire("selectionChangeDone",t),200)}observe(){const t=this.document;t.on("keydown",(e,n)=>{t.selection.isFake&&function(t){return t==ho.arrowright||t==ho.arrowleft||t==ho.arrowup||t==ho.arrowdown}(n.keyCode)&&this.isEnabled&&(n.preventDefault(),this._handleSelectionMove(n.keyCode))},{priority:"lowest"})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection,n=new Ji(e.getRanges(),{backward:e.isBackward,fake:!1});t!=ho.arrowleft&&t!=ho.arrowup||n.setTo(n.getFirstPosition()),t!=ho.arrowright&&t!=ho.arrowdown||n.setTo(n.getLastPosition());const i={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",i),this._fireSelectionChangeDoneDebounced(i)}}var fs=n(2);class ms extends cr{constructor(t){super(t),this.mutationObserver=t.getObserver(Gr),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=us(t=>this.document.fire("selectionChangeDone",t),200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._loopbackCounter=0}observe(t){const e=t.ownerDocument;this._documents.has(e)||(this.listenTo(e,"selectionchange",()=>{this._handleSelectionChange(e)}),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t){if(!this.isEnabled||!this.document.isFocused&&!this.document.isReadOnly)return;this.mutationObserver.flush();const e=t.defaultView.getSelection(),n=this.domConverter.domSelectionToView(e);if(!this.selection.isEqual(n)||!this.domConverter.isDomSelectionCorrect(e))if(++this._loopbackCounter>60)fs.a.warn("selectionchange-infinite-loop: Selection change observer detected an infinite rendering loop.");else if(this.selection.isSimilar(n))this.view.render();else{const t={oldSelection:this.selection,newSelection:n,domSelection:e};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}_clearInfiniteLoop(){this._loopbackCounter=0}}class ps extends Kr{constructor(t){super(t),this.domEventType=["focus","blur"],this.useCapture=!0;const e=this.document;e.on("focus",()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout(()=>t.render(),50)}),e.on("blur",(n,i)=>{const o=e.selection.editableElement;null!==o&&o!==i.target||(e.isFocused=!1,t.render())})}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class gs extends Kr{constructor(t){super(t),this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",()=>{e.isComposing=!0}),e.on("compositionend",()=>{e.isComposing=!1})}onDomEvent(t){this.fire(t.type,t)}}function bs(t){return"[object Range]"==Object.prototype.toString.apply(t)}function ws(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const ks=["top","right","bottom","left","width","height"];class _s{constructor(t){const e=bs(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),tr(t)||e){const n=e?t.startContainer:t;n.ownerDocument&&n.ownerDocument.body.contains(n)||fs.a.warn("rect-source-not-in-dom: The source of this rect does not belong to any rendered DOM tree.",{source:t}),vs(this,e?_s.getDomRangeRects(t)[0]:t.getBoundingClientRect())}else if(or(t)){const{innerWidth:e,innerHeight:n}=t;vs(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else vs(this,t)}clone(){return new _s(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new _s(e)}getIntersectionArea(t){const e=this.getIntersection(t);return e?e.getArea():0}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!ys(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!ys(n);){const t=new _s(n),i=e.getIntersection(t);if(!i)return null;i.getArea()<e.getArea()&&(e=i),n=n.parentNode}}return e}isEqual(t){for(const e of ks)if(this[e]!==t[e])return!1;return!0}contains(t){const e=this.getIntersection(t);return!(!e||!e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,n;if(or(t))e=t.innerWidth-t.document.documentElement.clientWidth,n=t.innerHeight-t.document.documentElement.clientHeight;else{const i=ws(this._source);e=t.offsetWidth-t.clientWidth,n=t.offsetHeight-t.clientHeight,this.moveBy(i.left,i.top)}return this.width-=e,this.right-=e,this.height-=n,this.bottom-=n,this}static getDomRangeRects(t){const e=[],n=Array.from(t.getClientRects());if(n.length)for(const t of n)e.push(new _s(t));else{let n=t.startContainer;Eo(n)&&(n=n.parentNode);const i=new _s(n.getBoundingClientRect());i.right=i.left,i.width=0,e.push(i)}return e}}function vs(t,e){for(const n of ks)t[n]=e[n]}function ys(t){return!!tr(t)&&t===t.ownerDocument.body}function xs({target:t,viewportOffset:e=0}){const n=Es(t);let i=n,o=null;for(;i;){let r;Cs(r=Is(i==n?t:o),()=>Ns(t,i));const s=Ns(t,i);if(As(i,s,e),i.parent!=i){if(o=i.frameElement,i=i.parent,!o)return}else i=null}}function As(t,e,n){const i=e.clone().moveBy(0,n),o=e.clone().moveBy(0,-n),r=new _s(t).excludeScrollbarsAndBorders();if(![o,i].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;Ps(o,r)?a-=r.top-e.top+n:Ts(i,r)&&(a+=e.bottom-r.bottom+n),Ms(e,r)?s-=r.left-e.left+n:Ss(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function Cs(t,e){const n=Es(t);let i,o;for(;t!=n.document.body;)o=e(),(i=new _s(t).excludeScrollbarsAndBorders()).contains(o)||(Ps(o,i)?t.scrollTop-=i.top-o.top:Ts(o,i)&&(t.scrollTop+=o.bottom-i.bottom),Ms(o,i)?t.scrollLeft-=i.left-o.left:Ss(o,i)&&(t.scrollLeft+=o.right-i.right)),t=t.parentNode}function Ts(t,e){return t.bottom>e.bottom}function Ps(t,e){return t.top<e.top}function Ms(t,e){return t.left<e.left}function Ss(t,e){return t.right>e.right}function Es(t){return bs(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function Is(t){if(bs(t)){let e=t.commonAncestorContainer;return Eo(e)&&(e=e.parentNode),e}return t.parentNode}function Ns(t,e){const n=Es(t),i=new _s(t);if(n===e)return i;{let t=n;for(;t!=e;){const e=t.frameElement,n=new _s(e).excludeScrollbarsAndBorders();i.moveBy(n.left,n.top),t=t.parent}}return i}Object.assign({},{scrollViewportToShowTarget:xs,scrollAncestorsToShowTarget:function(t){Cs(Is(t),()=>new _s(t))}});class Os{constructor(){this.document=new to,this.domConverter=new er,this._renderer=new Go(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this.domRoots=new Map,this._observers=new Map,this._ongoingChange=!1,this._renderingInProgress=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._writer=new _o(this.document),this.addObserver(Gr),this.addObserver(ms),this.addObserver(ps),this.addObserver(Jr),this.addObserver(hs),this.addObserver(gs),function(t){t.document.on("keydown",Bo)}(this),bo(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged")})}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase(),this.domRoots.set(e,t),this.domConverter.bindElements(t,n),this._renderer.markToSync("children",n),this._renderer.domDocuments.add(t.ownerDocument),n.on("change:children",(t,e)=>this._renderer.markToSync("children",e)),n.on("change:attributes",(t,e)=>this._renderer.markToSync("attributes",e)),n.on("change:text",(t,e)=>this._renderer.markToSync("text",e));for(const n of this._observers.values())n.observe(t,e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,n]of this.domRoots)e.observe(n,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&xs({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t?(this.domConverter.focus(t),this.render()):fs.a.warn("view-focus-no-selection: There is no selection in any editable to focus.")}}change(t){if(this._renderingInProgress||this._postFixersInProgress)throw new P.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.");if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,this._renderingDisabled||(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}render(){this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.stopListening()}createPositionAt(t,e){return $i._createAt(t,e)}createPositionAfter(t){return $i._createAfter(t)}createPositionBefore(t){return $i._createBefore(t)}createRange(t,e){return new Gi(t,e)}createRangeOn(t){return Gi._createOn(t)}createRangeIn(t){return Gi._createIn(t)}createSelection(t,e,n){return new Ji(t,e,n)}_render(){this._renderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this._renderingInProgress=!1}}function Rs(t){return C(t)?di(t):new Map(t)}F(Os,Li);class Ds{constructor(t){this.parent=null,this._attrs=Rs(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new P.b("model-node-not-found-in-parent: The node's parent does not contain this node.");return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new P.b("model-node-not-found-in-parent: The node's parent does not contain this node.");return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}get document(){return this.root==this?null:this.root.document||null}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),i=t.getAncestors(e);let o=0;for(;n[o]==i[o]&&n[o];)o++;return 0===o?null:n[o-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),i=U(e,n);switch(i){case"prefix":return!0;case"extension":return!1;default:return e[i]<n[i]}}isAfter(t){return this!=t&&(this.root===t.root&&!this.isBefore(t))}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce((t,e)=>(t[e[0]]=e[1],t),{})),t}_clone(){return new Ds(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Rs(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}is(t){return"node"==t}}class Ls extends Ds{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"text"==t||super.is(t)}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new Ls(this.data,this.getAttributes())}static fromJSON(t){return new Ls(t.data,t.attributes)}}class js{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new P.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.");if(n<0||e+n>t.offsetSize)throw new P.b("model-textproxy-wrong-length: Given length value is incorrect.");this.data=t.data.substring(e,e+n),this.offsetInText=e}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}get document(){return this.textNode.document}is(t){return"textProxy"==t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class Vs{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((t,e)=>t+e.offsetSize,0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce((t,e)=>t+e.offsetSize,0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new P.b("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.");return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const n of this._nodes){if(t>=e&&t<e+n.offsetSize)return this.getNodeIndex(n);e+=n.offsetSize}if(e!=t)throw new P.b("model-nodelist-offset-out-of-bounds: Given offset cannot be found in the node list.",{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof Ds))throw new P.b("model-nodelist-insertNodes-not-node: Trying to insert an object which is not a Node instance.");this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map(t=>t.toJSON())}}class zs extends Ds{constructor(t,e,n){super(e),this.name=t,this._children=new Vs,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){return e?"element"==t&&e==this.name:"element"==t||t==this.name||super.is(t)}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map(t=>t._clone(!0)):null;return new zs(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new Ls(t)];ui(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new Ls(t):t instanceof js?new Ls(t.data,t.getAttributes()):t)}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children)n.name?e.push(zs.fromJSON(n)):e.push(Ls.fromJSON(n))}return new zs(t.name,t.attributes,e)}}class Bs{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new P.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.");const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new P.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=Hs._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,i,o;do{i=this.position,o=this._visitedParent,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=i,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&e.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const i=e.textNode?e.textNode:e.nodeAfter;if(i instanceof zs)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=i),this.position=e,Fs("elementStart",i,t,e,1);if(i instanceof Ls){let o;if(this.singleCharacters)o=1;else{let t=i.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),o=t-e.offset}const r=e.offset-i.startOffset,s=new js(i,r,o);return e.offset+=o,this.position=e,Fs("text",s,t,e,o)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():Fs("elementEnd",n,t,e)}_previous(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const i=e.textNode?e.textNode:e.nodeBefore;if(i instanceof zs)return e.offset--,this.shallow?(this.position=e,Fs("elementStart",i,t,e,1)):(e.path.push(i.maxOffset),this.position=e,this._visitedParent=i,this.ignoreElementEnd?this._previous():Fs("elementEnd",i,t,e));if(i instanceof Ls){let o;if(this.singleCharacters)o=1;else{let t=i.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),o=e.offset-t}const r=e.offset-i.startOffset,s=new js(i,r-o,o);return e.offset-=o,this.position=e,Fs("text",s,t,e,o)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,Fs("elementStart",n,t,e,1)}}function Fs(t,e,n,i,o){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}var Us=function(t){var e=null==t?0:t.length;return e?t[e-1]:void 0};class Hs{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new P.b("model-position-root-invalid: Position root invalid.");if(!(e instanceof Array)||0===e.length)throw new P.b("model-position-path-incorrect: Position path must be an array with at least one item.",{path:e});e=t.getPath().concat(e),t=t.root,this.root=t,this.path=e,this.stickiness=n}get offset(){return Us(this.path)}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)t=t.getChild(t.offsetToIndex(this.path[e]));return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){const t=this.parent.getChild(this.index);return t instanceof Ls&&t.startOffset<this.offset?t:null}get nodeAfter(){return null===this.textNode?this.parent.getChild(this.index):null}get nodeBefore(){return null===this.textNode?this.parent.getChild(this.index-1):null}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=U(this.path,t.path);switch(e){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[e]<t.path[e]?"before":"after"}}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new Bs(e);return n.skip(t),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonPath(t){if(this.root!=t.root)return[];const e=U(this.path,t.path),n="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let i=0;for(;e[i]==n[i]&&e[i];)i++;return 0===i?null:e[i-1]}getShiftedBy(t){const e=this.clone(),n=e.offset+t;return e.offset=n<0?0:n,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,n=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=Hs._createAt(this),n=Hs._createAt(t);break;case"after":e=Hs._createAt(t),n=Hs._createAt(this);break;default:return!1}let i=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==i.maxOffset)return!1;e.path=e.path.slice(0,-1),i=i.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}hasSameParentAs(t){if(this.root!==t.root)return!1;return"same"==U(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=Hs._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let n;return e.containsPosition(this)||e.start.isEqual(this)?(n=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(n=n._getTransformedByDeletion(t.deletionPosition,1))):n=this.isEqual(t.deletionPosition)?Hs._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=Hs._createAt(this);if(this.root!=t.root)return n;if("same"==U(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if("prefix"==U(t.getParentPath(),this.getParentPath())){const i=t.path.length-1;if(t.offset<=this.path[i]){if(t.offset+e>this.path[i])return null;n.path[i]-=e}}return n}_getTransformedByInsertion(t,e){const n=Hs._createAt(this);if(this.root!=t.root)return n;if("same"==U(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=e);else if("prefix"==U(t.getParentPath(),this.getParentPath())){const i=t.path.length-1;t.offset<=this.path[i]&&(n.path[i]+=e)}return n}_getTransformedByMove(t,e,n){if(e=e._getTransformedByDeletion(t,n),t.isEqual(e))return Hs._createAt(this);const i=this._getTransformedByDeletion(t,n);return null===i||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):i._getTransformedByInsertion(e,n)}_getCombined(t,e){const n=t.path.length-1,i=Hs._createAt(e);return i.stickiness=this.stickiness,i.offset=i.offset+this.path[n]-t.offset,i.path=i.path.concat(this.path.slice(n+1)),i}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(t,e){if(t instanceof Hs)return new Hs(t.root,t.path,t.stickiness);{const n=t;if("end"==e)e=n.maxOffset;else{if("before"==e)return this._createBefore(n);if("after"==e)return this._createAfter(n);if(0!==e&&!e)throw new P.b("model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.")}if(!n.is("element")&&!n.is("documentFragment"))throw new P.b("model-position-parent-incorrect: Position parent have to be a element or document fragment.");const i=n.getPath();return i.push(e),new this(n.root,i)}}static _createAfter(t){if(!t.parent)throw new P.b("model-position-after-root: You cannot make a position after root.",{root:t});return this._createAt(t.parent,t.endOffset)}static _createBefore(t){if(!t.parent)throw new P.b("model-position-before-root: You cannot make a position before root.",{root:t});return this._createAt(t.parent,t.startOffset)}static fromJSON(t,e){if("$graveyard"===t.root){const n=new Hs(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new P.b("model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.",{rootName:t.root});const n=new Hs(e.getRoot(t.root),t.path);return n.stickiness=t.stickiness,n}}class qs{constructor(t,e=null){this.start=Hs._createAt(t),this.end=e?Hs._createAt(e):Hs._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new Bs({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==U(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}containsItem(t){const e=Hs._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new qs(this.start,t.start)),this.containsPosition(t.end)&&e.push(new qs(t.end,this.end))):e.push(new qs(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new qs(e,n)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=Hs._createAt(this.start);let i=n.parent;for(;n.path.length>e+1;){const e=i.maxOffset-n.offset;0!==e&&t.push(new qs(n,n.getShiftedBy(e))),n.path=n.path.slice(0,-1),n.offset++,i=i.parent}for(;n.path.length<=this.end.path.length;){const e=this.end.path[n.path.length-1],i=e-n.offset;0!==i&&t.push(new qs(n,n.getShiftedBy(i))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new Bs(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Bs(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Bs(t);yield e.position;for(const t of e)yield t.nextPosition}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new qs(this.start,this.end)]}getTransformedByOperations(t){const e=[new qs(this.start,this.end)];for(const n of t)for(let t=0;t<e.length;t++){const i=e[t].getTransformedByOperation(n);e.splice(t,1,...i),t+=i.length-1}for(let t=0;t<e.length;t++){const n=e[t];for(let i=t+1;i<e.length;i++){const t=e[i];(n.containsRange(t)||t.containsRange(n)||n.isEqual(t))&&e.splice(i,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const n=t.sourcePosition,i=t.howMany,o=t.targetPosition;return this._getTransformedByMove(n,o,i,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(n=this.end.getShiftedBy(1)),e.root!=n.root&&(n=this.end.getShiftedBy(-1)),new qs(e,n)}_getTransformedByMergeOperation(t){let e=this.start._getTransformedByMergeOperation(t),n=this.end._getTransformedByMergeOperation(t);return e.root!=n.root&&(n=this.end.getShiftedBy(-1)),e.isAfter(n)?(t.sourcePosition.isBefore(t.targetPosition)?(e=Hs._createAt(n)).offset=0:(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new qs(e,n)):new qs(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new qs(this.start,t),new qs(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new qs(this.start,this.end);return n.start=n.start._getTransformedByInsertion(t,e),n.end=n.end._getTransformedByInsertion(t,e),[n]}}_getTransformedByMove(t,e,n,i=!1){if(this.isCollapsed){const i=this.start._getTransformedByMove(t,e,n);return[new qs(i)]}const o=qs._createFromPositionAndShift(t,n),r=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!i&&(o.containsPosition(this.start)||o.containsPosition(this.end))){const i=this.start._getTransformedByMove(t,e,n),o=this.end._getTransformedByMove(t,e,n);return[new qs(i,o)]}let s;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(1==a.length?c=new qs(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(c=new qs(this.start,this.end._getTransformedByDeletion(t,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||i):[],l){const t=new qs(l.start._getCombined(o.start,r),l.end._getCombined(o.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e),i=this.end._getTransformedByDeletion(t,e);return null==n&&null==i?null:(null==n&&(n=t),null==i&&(i=t),new qs(n,i))}static _createFromPositionAndShift(t,e){const n=t,i=t.getShiftedBy(e);return e>0?new this(n,i):new this(i,n)}static _createIn(t){return new this(Hs._createAt(t,0),Hs._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(Hs._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new P.b("range-create-from-ranges-empty-array: At least one range has to be passed.");if(1==t.length)return t[0].clone();const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const n=t.indexOf(e),i=new this(e.start,e.end);if(n>0)for(let e=n-1;t[e].end.isEqual(i.start);e++)i.start=Hs._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(i.end);e++)i.end=Hs._createAt(t[e].end);return i}static fromJSON(t,e){return new this(Hs.fromJSON(t.start,e),Hs.fromJSON(t.end,e))}}class Ws{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this.on("modelToViewPosition",(t,e)=>{if(e.viewPosition)return;const n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this._findPositionIn(n,e.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition)return;let n=e.viewPosition.parent,i=this._viewToModelMapping.get(n);for(;!i;)n=n.parent,i=this._viewToModelMapping.get(n);const o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=Hs._createAt(i,o)},{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e),this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);this._viewToModelMapping.delete(t),this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t),this._markerNameToElements.set(e,n)}unbindElementsFromMarkerName(t){this._markerNameToElements.delete(t)}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new qs(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new Gi(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const n=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())n.add(e);else n.add(t);return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}_toModelOffset(t,e,n){if(n!=t){return this._toModelOffset(t.parent,t.index,n)+this._toModelOffset(t,e,t)}if(t.is("text"))return e;let i=0;for(let n=0;n<e;n++)i+=this.getModelLength(t.getChild(n));return i}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name)){return this._viewToModelLengthCallbacks.get(t.name)(t)}if(this._viewToModelMapping.has(t))return 1;if(t.is("text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const n of t.getChildren())e+=this.getModelLength(n);return e}}_findPositionIn(t,e){let n,i=0,o=0,r=0;if(t.is("text"))return new $i(t,e);for(;o<e;)n=t.getChild(r),o+=i=this.getModelLength(n),r++;return o==e?this._moveViewPositionToTextNode(new $i(t,r)):this._findPositionIn(n,e-(o-i))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof ci?new $i(e,e.data.length):n instanceof ci?new $i(n,0):t}}F(Ws,R);class Ys{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=$s(e),t instanceof js&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=$s(e),t instanceof js&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=$s(e),t instanceof js&&(t=this._getSymbolForTextProxy(t));const n=this._consumable.get(t);if(void 0===n)return null;const i=n.get(e);return void 0===i?null:i}revert(t,e){e=$s(e),t instanceof js&&(t=this._getSymbolForTextProxy(t));const n=this.test(t,e);return!1===n?(this._consumable.get(t).set(e,!0),!0):!0!==n&&null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const i=n.get(t.endOffset);i&&(e=i.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,n){const i=Symbol("textProxySymbol");let o,r;return(o=this._textProxyRegistry.get(t))||(o=new Map,this._textProxyRegistry.set(t,o)),(r=o.get(e))||(r=new Map,o.set(e,r)),r.set(n,i),i}}function $s(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class Gs{constructor(t={}){this.conversionApi=Ii({dispatcher:this},t)}convertChanges(t,e){for(const n of t.getMarkersToRemove())this.convertMarkerRemove(n.name,n.range,e);for(const n of t.getChanges())"insert"==n.type?this.convertInsert(qs._createFromPositionAndShift(n.position,n.length),e):"remove"==n.type?this.convertRemove(n.position,n.length,n.name,e):this.convertAttribute(n.range,n.attributeKey,n.attributeOldValue,n.attributeNewValue,e);for(const n of t.getMarkersToAdd())this.convertMarkerAdd(n.name,n.range,e)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of t){const t=e.item,n={item:t,range:qs._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",n);for(const e of t.getAttributeKeys())n.attributeKey=e,n.attributeOldValue=null,n.attributeNewValue=t.getAttribute(e),this._testAndFire(`attribute:${e}`,n)}this._clearConversionApi()}convertRemove(t,e,n,i){this.conversionApi.writer=i,this.fire("remove:"+n,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,n,i,o){this.conversionApi.writer=o,this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const o of t){const t={item:o.item,range:qs._createFromPositionAndShift(o.previousPosition,o.length),attributeKey:e,attributeOldValue:n,attributeNewValue:i};this._testAndFire(`attribute:${e}`,t)}this._clearConversionApi()}convertSelection(t,e,n){const i=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,i),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of i){const n=e.getRange();if(!Qs(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const i={item:t,markerName:e.name,markerRange:n};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,i,this.conversionApi)}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey,n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const i="addMarker:"+t;if(e.isCollapsed){const n=new Ys;return n.add(e,i),this.conversionApi.consumable=n,void this.fire(i,{markerName:t,markerRange:e},this.conversionApi)}this.conversionApi.consumable=this._createConsumableForRange(e,i);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,i))continue;const o={item:n,range:qs._createOn(n),markerName:t,markerRange:e};this.fire(i,o,this.conversionApi)}this._clearConversionApi()}convertMarkerRemove(t,e,n){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new Ys;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n)}return e}_createConsumableForRange(t,e){const n=new Ys;for(const i of t.getItems())n.add(i,e);return n}_createSelectionConsumable(t,e){const n=new Ys;n.add(t,"selection");for(const i of e)n.add(t,"addMarker:"+i.name);for(const e of t.getAttributeKeys())n.add(t,"attribute:"+e);return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const n=e.item.name||"$text";this.fire(t+":"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function Qs(t,e,n){const i=e.getRange(),o=Array.from(t.getAncestors());return o.shift(),o.reverse(),!o.some(t=>{if(i.containsItem(t)){return!!n.toViewElement(t).getCustomProperty("addHighlight")}})}F(Gs,R);class Ks{constructor(t,e,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,n)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.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(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const i of t._ranges)if(e.isEqual(i)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new qs(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new qs(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new qs(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(null===t)this._setRanges([]);else if(t instanceof Ks)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof qs)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof Hs)this._setRanges([new qs(t)]);else if(t instanceof Ds){const i=!!n&&!!n.backward;let o;if("in"==e)o=qs._createIn(t);else if("on"==e)o=qs._createOn(t);else{if(void 0===e)throw new P.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.");o=new qs(Hs._createAt(t,e))}this._setRanges([o],i)}else{if(!ui(t))throw new P.b("model-selection-setTo-not-selectable: Cannot set selection to given place.");this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some(t=>{if(!(t instanceof qs))throw new P.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.");return this._ranges.every(e=>!e.isEqual(t))});if(t.length!==this._ranges.length||n){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new P.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.");const n=Hs._createAt(t,e);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(i)?(this._pushRange(new qs(n,i)),this._lastRangeBackward=!0):(this._pushRange(new qs(i,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange(),e=t.start.nodeAfter,n=t.end.nodeBefore;return e instanceof zs&&e==n?e:null}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=Zs(e.start,t);n&&(yield n);for(const n of e.getWalker())"elementEnd"==n.type&&Js(n.item,t)&&(yield n.item);const i=Zs(e.end,t);i&&!e.end.isTouching(Hs._createAt(i,0))&&(yield i)}}containsEntireContent(t=this.anchor.root){const e=Hs._createAt(t,0),n=Hs._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new qs(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new P.b("model-selection-range-intersects: Trying to add a range that intersects with another range in the selection.",{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Js(t,e){return!e.has(t)&&(e.add(t),t.document.model.schema.isBlock(t)&&t.parent)}function Zs(t,e){const n=t.parent.getAncestors({parentFirst:!0,includeSelf:!0}),i=n.find(t=>Js(t,e));return n.forEach(t=>e.add(t)),i}F(Ks,R);class Xs extends qs{constructor(t,e){super(t,e),function(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&function(t){const e=this.getTransformedByOperation(t),n=qs._createFromRanges(e),i=!n.isEqual(this),o=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(i){"$graveyard"==n.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",e,{deletionPosition:r})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:r})}.call(this,n)},{priority:"low"})}.call(this)}detach(){this.stopListening()}toRange(){return new qs(this.start,this.end)}static fromRange(t){return new Xs(t.start,t.end)}}F(Xs,R);const ta="selection:";class ea{constructor(t){this._selection=new na(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").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 _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(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return ta+t}static _isStoreAttributeKey(t){return t.startsWith(ta)}}F(ea,R);class na extends Ks{constructor(t){super(),this._model=t.model,this._document=t,this._attributePriority=new Map,this._fixGraveyardRangesData=[],this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.on("change:range",()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new P.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",{range:t})}),this.listenTo(this._document,"change",(t,e)=>{this._updateAttributes(!1),function(t,e){const n=t.document.differ;for(const i of n.getChanges()){if("insert"!=i.type)continue;const n=i.position.parent,o=i.length===n.maxOffset;o&&t.enqueueChange(e,t=>{const e=Array.from(n.getAttributeKeys()).filter(t=>t.startsWith(ta));for(const i of e)t.removeAttribute(i,n)})}}(this._model,e)}),this.listenTo(this._model,"applyOperation",()=>{for(;this._fixGraveyardRangesData.length;){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1}))},{priority:"lowest"})}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 t=0;t<this._ranges.length;t++)this._ranges[t].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(t,e,n){super.setTo(t,e,n),this._refreshAttributes()}setFocus(t,e){super.setFocus(t,e),this._refreshAttributes()}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=E();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._refreshAttributes(),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new P.b("document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.",{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._refreshAttributes()}_refreshAttributes(){this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return void fs.a.warn("model-selection-range-in-graveyard: Trying to add a Range that is in the graveyard root. Range rejected.");const e=Xs.fromRange(t);return e.on("change:range",(t,n,i)=>{this._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:i.deletionPosition})}),e}_updateAttributes(t){const e=Rs(this._getSurroundingAttributes()),n=Rs(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const i=[];for(const[t,e]of this.getAttributes())n.has(t)&&n.get(t)===e||i.push(t);for(const[t]of n)this.hasAttribute(t)||i.push(t);i.length>0&&this.fire("change:attribute",{attributeKeys:i,directChange:!1})}_setAttribute(t,e,n=!0){const i=n?"normal":"low";return("low"!=i||"normal"!=this._attributePriority.get(t))&&(super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,i),!0))}_removeAttribute(t,e=!0){const n=e?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(t))&&(this._attributePriority.set(t,n),!!super.hasAttribute(t)&&(this._attrs.delete(t),!0))}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes())t.get(e)!==n&&this._removeAttribute(e,!1);for(const[n,i]of t){this._setAttribute(n,i,!1)&&e.add(n)}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith(ta)){yield[e.substr(ta.length),t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let n=null;if(this.isCollapsed){const e=t.textNode?t.textNode:t.nodeBefore,i=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=ia(e)),n||(n=ia(i)),!this.isGravityOverridden&&!n){let t=e;for(;t&&!n;)n=ia(t=t.previousSibling)}if(!n){let t=i;for(;t&&!n;)n=ia(t=t.nextSibling)}n||(n=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const i of t){if(i.item.is("element")&&e.isObject(i.item))break;"text"==i.type&&null===n&&(n=i.item.getAttributes())}}return n}_fixGraveyardSelection(t,e){const n=e.clone(),i=this._model.schema.getNearestSelectionRange(n),o=this._ranges.indexOf(t);if(this._ranges.splice(o,1),t.detach(),i){const t=this._prepareRange(i);this._ranges.splice(o,0,t)}}}function ia(t){return t instanceof js||t instanceof Ls?t.getAttributes():null}var oa=1,ra=4;var sa=function(t){return oi(t,oa|ra)};function aa(t){return(t=sa(t)).view=da(t.view,"container"),e=>{e.on("insert:"+t.model,function(t){return(e,n,i)=>{const o=t(n.item,i.writer);if(!o)return;if(!i.consumable.consume(n.item,"insert"))return;const r=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(n.item,o),i.writer.insert(r,o)}}(t.view),{priority:t.converterPriority||"normal"})}}function ca(t){let e="attribute:"+((t=sa(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=da(t.view[e],"attribute");else t.view=da(t.view,"attribute");const n=ua(t);return i=>{i.on(e,function(t){return(e,n,i)=>{const o=t(n.attributeOldValue,i.writer),r=t(n.attributeNewValue,i.writer);if(!o&&!r)return;if(!i.consumable.consume(n.item,e.name))return;const s=i.writer,a=s.document.selection;if(n.item instanceof Ks||n.item instanceof ea)s.wrap(a.getFirstRange(),r);else{let t=i.mapper.toViewRange(n.range);null!==n.attributeOldValue&&o&&(t=s.unwrap(t,o)),null!==n.attributeNewValue&&r&&s.wrap(t,r)}}}(n),{priority:t.converterPriority||"normal"})}}function la(t){let e="attribute:"+((t=sa(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=ha(t.view[e]);else t.view=ha(t.view);const n=ua(t);return i=>{i.on(e,function(t){return t=t||((t,e)=>({value:t,key:e.attributeKey})),(e,n,i)=>{const o=t(n.attributeOldValue,n),r=t(n.attributeNewValue,n);if(!o&&!r)return;if(!i.consumable.consume(n.item,e.name))return;const s=i.mapper.toViewElement(n.item),a=i.writer;if(s){if(null!==n.attributeOldValue&&o)if("class"==o.key){const t=Array.isArray(o.value)?o.value:[o.value];for(const e of t)a.removeClass(e,s)}else if("style"==o.key){const t=Object.keys(o.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(o.key,s);if(null!==n.attributeNewValue&&r)if("class"==r.key){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t)a.addClass(e,s)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)a.setStyle(e,r.value[e],s)}else a.setAttribute(r.key,r.value,s)}else fs.a.warn("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.")}}(n),{priority:t.converterPriority||"normal"})}}function da(t,e){return"function"==typeof t?t:(n,i)=>(function(t,e,n){"string"==typeof t&&(t={name:t});let i;const o=Object.assign({},t.attributes);if("container"==n)i=e.createContainerElement(t.name,o);else if("attribute"==n){const n={priority:t.priority||no.DEFAULT_PRIORITY};i=e.createAttributeElement(t.name,o,n)}else i=e.createUIElement(t.name,o);if(t.styles){const n=Object.keys(t.styles);for(const o of n)e.setStyle(o,t.styles[o],i)}if(t.classes){const n=t.classes;if("string"==typeof n)e.addClass(n,i);else for(const t of n)e.addClass(t,i)}return i})(t,i,e)}function ua(t){return t.model.values?(e,n)=>{const i=t.view[e];return i?i(e,n):null}:t.view}function ha(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}class fa{constructor(t){this.model=t,this.view=new Os,this.mapper=new Ws,this.downcastDispatcher=new Gs({mapper:this.mapper});const e=this.model.document,n=e.selection,i=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._renderingDisabled=!0},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._renderingDisabled=!1,this.view.render()},{priority:"lowest"}),this.listenTo(e,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(e.differ,t),this.downcastDispatcher.convertSelection(n,i,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,i)=>{const o=i.newSelection,r=new Ks,s=[];for(const t of o.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:o.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(o,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,n)=>{const i=n.mapper.toViewPosition(e.position),o=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(o,{isPhantom:!0}),s=n.writer.createRange(i,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=n.writer,o=i.document.selection;for(const t of o.getRanges())t.isCollapsed&&t.end.parent.document&&n.writer.mergeAttributes(t.start);i.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=e.selection;if(i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=[];for(const t of i.getRanges()){const e=n.mapper.toViewRange(t);o.push(e)}n.writer.setSelection(o,{backward:i.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=e.selection;if(!i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=n.writer,r=i.getFirstPosition(),s=n.mapper.toViewPosition(r),a=o.breakAttributes(s);o.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$graveyard"==t.rootName)return null;const e=new Wi(t.name);return e.rootName=t.rootName,e._document=this.view.document,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}F(fa,Li);class ma{constructor(t,e=[]){this._editor=t,this._availablePlugins=new Map,this._plugins=new Map;for(const t of e)this._availablePlugins.set(t,t),t.pluginName&&this._availablePlugins.set(t.pluginName,t)}*[Symbol.iterator](){for(const t of this._plugins)"function"==typeof t[0]&&(yield t)}get(t){return this._plugins.get(t)}load(t,e=[]){const n=this,i=this._editor,o=new Set,r=[],s=u(t),a=u(e),c=function(t){const e=[];for(const n of t)d(n)||e.push(n);return e.length?e:null}(t);if(c){const t="plugincollection-plugin-not-found: Some plugins are not available and could not be loaded.";return fs.a.error(t,{plugins:c}),Promise.reject(new P.b(t,{plugins:c}))}return Promise.all(s.map(l)).then(()=>r);function l(t){if(!a.includes(t)&&!n.get(t)&&!o.has(t))return function(t){return new Promise(s=>{o.add(t),t.requires&&t.requires.forEach(n=>{const i=d(n);if(e.includes(i))throw new P.b("plugincollection-required: Cannot load a plugin because one of its dependencies is listed inthe `removePlugins` option.",{plugin:i,requiredBy:t});l(i)});const a=new t(i);n._add(t,a),r.push(a),s()})}(t).catch(e=>{throw fs.a.error("plugincollection-load: It was not possible to load the plugin.",{plugin:t}),e})}function d(t){return"function"==typeof t?t:n._availablePlugins.get(t)}function u(t){return t.map(t=>d(t)).filter(t=>!!t)}}destroy(){const t=Array.from(this).map(([,t])=>t).filter(t=>"function"==typeof t.destroy).map(t=>t.destroy());return Promise.all(t)}_add(t,e){this._plugins.set(t,e);const n=t.pluginName;n&&(this._plugins.has(n)?fs.a.warn("plugincollection-plugin-name-conflict: Two plugins with the same name were loaded.",{pluginName:n,plugin1:this._plugins.get(n).constructor,plugin2:t}):this._plugins.set(n,e))}}class pa{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const n=this.get(t);if(!n)throw new P.b("commandcollection-command-not-found: Command does not exist.",{commandName:t});n.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}function ga(t,e){const n=Object.keys(window.CKEDITOR_TRANSLATIONS).length;return 1===n&&(t=Object.keys(window.CKEDITOR_TRANSLATIONS)[0]),0!==n&&function(t,e){return t in window.CKEDITOR_TRANSLATIONS&&e in window.CKEDITOR_TRANSLATIONS[t]}(t,e)?window.CKEDITOR_TRANSLATIONS[t][e].replace(/ \[context: [^\]]+\]$/,""):e.replace(/ \[context: [^\]]+\]$/,"")}window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={});class ba{constructor(t){this.language=t||"en",this.t=((...t)=>this._t(...t))}_t(t,e){let n=ga(this.language,t);return e&&(n=n.replace(/%(\d+)/g,(t,n)=>n<e.length?e[n]:t)),n}}class wa{constructor(){this._consumables=new Map}add(t,e){let n;t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?n=this._consumables.get(t):(n=new ka,this._consumables.set(t,n)),n.add(e))}test(t,e){const n=this._consumables.get(t);return void 0===n?null:t.is("text")||t.is("documentFragment")?n:n.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const n=this._consumables.get(t);void 0!==n&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):n.revert(e))}static consumablesFromElement(t){const e={name:!0,attributes:[],classes:[],styles:[]},n=t.getAttributeKeys();for(const t of n)"style"!=t&&"class"!=t&&e.attributes.push(t);const i=t.getClassNames();for(const t of i)e.classes.push(t);const o=t.getStyleNames();for(const t of o)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new wa),t.is("text"))return e.add(t),e;t.is("element")&&e.add(t,wa.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const n of t.getChildren())e=wa.createFrom(n,e);return e}}class ka{constructor(){this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const n=this._test(e,t[e]);if(!0!==n)return n}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const n=ce(e)?e:[e],i=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new P.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.");i.set(e,!0)}}_test(t,e){const n=ce(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){const t=i.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",n=this._test(t,[...this._consumables[t].keys()]);if(!0!==n)return n}return!0}_consume(t,e){const n=ce(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e)i.set(e,!1);else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=ce(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){!1===i.get(e)&&i.set(e,!0)}else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class _a{constructor(){this._sourceDefinitions={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(t,e)=>{e[0]=new va(e[0])},{priority:"highest"}),this.on("checkChild",(t,e)=>{e[0]=new va(e[0]),e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new P.b("schema-cannot-register-item-twice: A single item cannot be registered twice in the schema.",{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new P.b("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("text")||t.is("textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!!e&&!(!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!(!e||!e.isObject)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);return!!n&&n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof Hs){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof zs))throw new P.b("schema-check-merge-no-element-before: The node before the merge position must be an element.");if(!(n instanceof zs))throw new P.b("schema-check-merge-no-element-after: The node after the merge position must be an element.");return this.checkMerge(e,n)}for(const n of e.getChildren())if(!this.checkChild(t,n))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[n,i])=>{if(!i)return;const o=t(n,i);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[n,i])=>{const o=t(n,i);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}getLimitElement(t){let e;if(t instanceof Hs)e=t.parent;else{e=(t instanceof qs?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new Ls("",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}*_getValidRangesForRange(t,e){let n=t.start,i=t.start;for(const o of t.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(qs._createIn(o),e)),this.checkAttribute(o,e)||(n.isEqual(i)||(yield new qs(n,i)),n=Hs._createAfter(o)),i=Hs._createAfter(o);n.isEqual(i)||(yield new qs(n,i))}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new qs(t);let n,i;"both"!=e&&"backward"!=e||(n=new Bs({startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(i=new Bs({startPosition:t}));for(const t of function*(t,e){let n=!1;for(;!n;){if(n=!0,t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}}}(n,i)){const e=t.walker==n?"elementEnd":"elementStart",i=t.value;if(i.type==e&&this.isObject(i.item))return qs._createOn(i.item);if(this.checkChild(i.nextPosition,"$text"))return new qs(i.nextPosition)}return null}findAllowedParent(t,e){let n=e.parent;for(;n;){if(this.checkChild(n,t))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t){for(const t of n.getAttributeKeys())this.checkAttribute(n,t)||e.removeAttribute(t,n);n.is("element")&&this.removeDisallowedAttributes(n.getChildren(),e)}}createContext(t){return new va(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const i of n)t[i]=ya(e[i],i);for(const e of n)xa(t,e);for(const e of n)Aa(t,e);for(const e of n)Ca(t,e),Ta(t,e);for(const e of n)Pa(t,e),Ma(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const i=e.getItem(n);if(t.allowIn.includes(i.name)){if(0==n)return!0;{const t=this.getDefinition(i);return this._checkContextMatch(t,e,n-1)}}return!1}}F(_a,Li);class va{constructor(t){if(t instanceof va)return t;"string"==typeof t?t=[t]:Array.isArray(t)||(t=t.getAncestors({includeSelf:!0})),t[0]&&"string"!=typeof t[0]&&t[0].is("documentFragment")&&t.shift(),this._items=t.map(Ia)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(t){const e=new va([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map(t=>t.name)}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}}function ya(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const n of t){const t=Object.keys(n).filter(t=>t.startsWith("is"));for(const i of t)e[i]=n[i]}}(t,n),Sa(t,n,"allowIn"),Sa(t,n,"allowContentOf"),Sa(t,n,"allowWhere"),Sa(t,n,"allowAttributes"),Sa(t,n,"allowAttributesOf"),Sa(t,n,"inheritTypesFrom"),function(t,e){for(const n of t){const t=n.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,n),n}function xa(t,e){for(const n of t[e].allowContentOf)if(t[n]){Ea(t,n).forEach(t=>{t.allowIn.push(e)})}delete t[e].allowContentOf}function Aa(t,e){for(const n of t[e].allowWhere){const i=t[n];if(i){const n=i.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function Ca(t,e){for(const n of t[e].allowAttributesOf){const i=t[n];if(i){const n=i.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function Ta(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const i=t[e];if(i){const 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Set,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const i of new va(t)){const t={};for(const e of i.getAttributeKeys())t[e]=i.getAttribute(e);const o=e.createElement(i.name,t);n&&e.append(o,n),n=Hs._createAt(o,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=wa.createFrom(t),this.conversionApi.store={};const{modelRange:i}=this._convertItem(t,this._modelCursor),o=e.createDocumentFragment();if(i){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,o);o.markers=function(t,e){const n=new Set,i=new Map,o=qs._createIn(t).getItems();for(const t of o)"$marker"==t.name&&n.add(t);for(const t of n){const n=t.getAttribute("data-name"),o=e.createPositionBefore(t);i.has(n)?i.get(n).end=o.clone():i.set(n,new qs(o.clone())),e.remove(t)}return i}(o,e)}return this._modelCursor=null,this._removeIfEmpty.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,n,this.conversionApi):t.is("text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof qs))throw new P.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.");return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){const n=new qs(e);let i=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);t.modelRange instanceof qs&&(n.end=t.modelRange.end,i=t.modelCursor)}return{modelRange:n,modelCursor:i}}_splitToAllowedParent(t,e){const n=this.conversionApi.schema.findAllowedParent(t,e);if(!n)return null;if(n===e.parent)return{position:e};if(this._modelCursor.parent.getAncestors().includes(n))return null;const i=this.conversionApi.writer.split(e,n);for(const t of i.range.getPositions())t.isEqual(i.position)||this._removeIfEmpty.add(t.parent);return{position:i.position,cursorParent:i.range.end.parent}}_removeEmptyElements(){let t=!1;for(const e of this._removeIfEmpty)e.isEmpty&&(this.conversionApi.writer.remove(e),this._removeIfEmpty.delete(e),t=!0);t&&this._removeEmptyElements()}}function Oa(t){const e=function(t){const e=new hi(t.view);return(n,i,o)=>{const r=e.match(i.viewItem);if(!r)return;r.match.name=!0;const s=function(t,e,n){return t instanceof Function?t(e,n):n.createElement(t)}(t.model,i.viewItem,o.writer);if(!s)return;if(!o.consumable.test(i.viewItem,r.match))return;const a=o.splitToAllowedParent(s,i.modelCursor);if(!a)return;o.writer.insert(s,a.position);const c=o.convertChildren(i.viewItem,o.writer.createPositionAt(s,0));o.consumable.consume(i.viewItem,r.match),i.modelRange=new qs(o.writer.createPositionBefore(s),o.writer.createPositionAfter(c.modelCursor.parent)),a.cursorParent?i.modelCursor=o.writer.createPositionAt(a.cursorParent,0):i.modelCursor=i.modelRange.end}}(t=sa(t)),n=La(t),i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"normal"})}}function Ra(t){ja(t=sa(t));const e=Va(t,!1),n=La(t),i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"normal"})}}function Da(t){let e=null;("string"==typeof(t=sa(t)).view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let n;if("class"==e||"style"==e){const i="class"==e?"classes":"styles";n={[i]:t.view.value}}else{const i=void 0===t.view.value?/[\s\S]*/:t.view.value;n={attributes:{[e]:i}}}t.view.name&&(n.name=t.view.name);return t.view=n,e}(t)),ja(t,e);const n=Va(t,!0);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}function La(t){return"string"==typeof t.view?t.view:"object"==typeof t.view&&"string"==typeof t.view.name?t.view.name:null}function ja(t,e=null){const n=null===e||(t=>t.getAttribute(e)),i="object"!=typeof t.model?t.model:t.model.key,o="object"!=typeof t.model||void 0===t.model.value?n:t.model.value;t.model={key:i,value:o}}function Va(t,e){const n=new hi(t.view);return(i,o,r)=>{const s=n.match(o.viewItem);if(!s)return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(o.viewItem):t.model.value;null!==c&&(!function(t){if("object"==typeof t.view&&!La(t))return!1;return!t.view.classes&&!t.view.attributes&&!t.view.styles}(t)?delete s.match.name:s.match.name=!0,r.consumable.test(o.viewItem,s.match)&&(o.modelRange||(o=Object.assign(o,r.convertChildren(o.viewItem,o.modelCursor))),function(t,e,n,i){let o=!1;for(const r of Array.from(t.getItems({shallow:n})))i.schema.checkAttribute(r,e.key)&&(i.writer.setAttribute(e.key,e.value,r),o=!0);return o}(o.modelRange,{key:a,value:c},e,r)&&r.consumable.consume(o.viewItem,s.match)))}}F(Na,R);class za{constructor(t,e){this.model=t,this.processor=e,this.mapper=new Ws,this.downcastDispatcher=new Gs({mapper:this.mapper}),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(o,r)},{priority:"lowest"}),this.upcastDispatcher=new Na({schema:t.schema}),this.upcastDispatcher.on("text",(t,e,n)=>{if(n.schema.checkChild(e.modelCursor,"$text")&&n.consumable.consume(e.viewItem)){const t=n.writer.createText(e.viewItem.data);n.writer.insert(t,e.modelCursor),e.modelRange=qs._createFromPositionAndShift(e.modelCursor,t.offsetSize),e.modelCursor=e.modelRange.end}},{priority:"lowest"}),this.upcastDispatcher.on("element",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.decorate("init")}get(t="main"){return this.stringify(this.model.document.getRoot(t))}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){this.mapper.clearBindings();const e=qs._createIn(t),n=new ko,i=new _o(new to);if(this.mapper.bindElements(t,n),this.downcastDispatcher.convertInsert(e,i),!t.is("documentFragment")){const e=function(t){const e=[],n=t.root.document;if(!n)return[];const i=qs._createIn(t);for(const t of n.model.markers){const n=i.getIntersection(t.getRange());n&&e.push([t.name,n])}return e}(t);for(const[t,n]of e)this.downcastDispatcher.convertMarkerAdd(t,n,i)}return n}init(t,e="main"){if(this.model.document.version)throw new P.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.");const n=this.model.document.getRoot(e);return this.model.enqueueChange("transparent",e=>{e.insert(this.parse(t,n),n,0)}),Promise.resolve()}set(t,e="main"){const n=this.model.document.getRoot(e);this.model.enqueueChange("transparent",e=>{e.setSelection(null),e.removeSelectionAttribute(this.model.document.selection.getAttributeKeys()),e.remove(e.createRangeIn(n)),e.insert(this.parse(t,n),n,0)})}parse(t,e="$root"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e="$root"){return this.model.change(n=>this.upcastDispatcher.convert(t,n,e))}destroy(){}}F(za,Li);class Ba{constructor(){this._dispatchersGroups=new Map}register(t,e){if(this._dispatchersGroups.has(t))throw new P.b("conversion-register-group-exists: Trying to register a group name that was already registered.");this._dispatchersGroups.set(t,e)}for(t){const e=this._getDispatchers(t);return{add(t){return function(t,e){for(const n of t)e(n)}(e,t),this}}}elementToElement(t){this.for("downcast").add(aa(t));for(const{model:e,view:n}of Fa(t))this.for("upcast").add(Oa({model:e,view:n,converterPriority:t.converterPriority}))}attributeToElement(t){this.for("downcast").add(ca(t));for(const{model:e,view:n}of Fa(t))this.for("upcast").add(Ra({view:n,model:e,priority:t.priority}))}attributeToAttribute(t){this.for("downcast").add(la(t));for(const{model:e,view:n}of Fa(t))this.for("upcast").add(Da({view:n,model:e}))}_getDispatchers(t){const e=this._dispatchersGroups.get(t);if(!e)throw new P.b("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.");return e}}function*Fa(t){if(t.model.values)for(const e of t.model.values){yield*Ua({key:t.model.key,value:e},t.view[e],t.upcastAlso?t.upcastAlso[e]:void 0)}else yield*Ua(t.model,t.view,t.upcastAlso)}function*Ua(t,e,n){if(yield{model:t,view:e},n){n=Array.isArray(n)?n:[n];for(const e of n)yield{model:t,view:e}}}class Ha{constructor(t="default"){this.operations=[],this.type=t}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}class qa{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class Wa{constructor(t){this.markers=new Map,this._children=new Vs,t&&this._insertChild(0,t)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const n of t)n.name?e.push(zs.fromJSON(n)):e.push(Ls.fromJSON(n));return new Wa(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new Ls(t)];ui(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new Ls(t):t instanceof js?new Ls(t.data,t.getAttributes()):t)}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}}function Ya(t,e){const n=(e=Qa(e)).reduce((t,e)=>t+e.offsetSize,0),i=t.parent;Ja(t);const o=t.index;return i._insertChild(o,e),Ka(i,o+e.length),Ka(i,o),new qs(t,t.getShiftedBy(n))}function $a(t){if(!t.isFlat)throw new P.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.");const e=t.start.parent;Ja(t.start),Ja(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return Ka(e,t.start.index),n}function Ga(t,e){if(!t.isFlat)throw new P.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.");const n=$a(t);return Ya(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function Qa(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new Ls(t[n]));else if(t[n]instanceof js)e.push(new Ls(t[n].data,t[n].getAttributes()));else if(t[n]instanceof Wa||t[n]instanceof Vs)for(const i of t[n])e.push(i);else t[n]instanceof Ds&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],i=e[t-1];n instanceof Ls&&i instanceof Ls&&Za(n,i)&&(e.splice(t-1,2,new Ls(i.data+n.data,i.getAttributes())),t--)}return e}function Ka(t,e){const n=t.getChild(e-1),i=t.getChild(e);if(n&&i&&n.is("text")&&i.is("text")&&Za(n,i)){const o=new Ls(n.data+i.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,o)}}function Ja(t){const e=t.textNode,n=t.parent;if(e){const i=t.offset-e.startOffset,o=e.index;n._removeChildren(o,1);const r=new Ls(e.data.substr(0,i),e.getAttributes()),s=new Ls(e.data.substr(i),e.getAttributes());n._insertChild(o,[r,s])}}function Za(t,e){const n=t.getAttributes(),i=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0]))return!1;i.next()}return i.next().done}var Xa=function(t,e){return Yr(t,e)};class tc extends qa{constructor(t,e,n,i,o){super(o),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===i?null:i}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new tc(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new tc(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new P.b("attribute-operation-range-not-flat: The range to change is not flat.");for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Xa(t.getAttribute(this.key),this.oldValue))throw new P.b("attribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new P.b("attribute-operation-attribute-exists: The attribute with given key already exists.",{node:t,key:this.key})}}_execute(){Xa(this.oldValue,this.newValue)||function(t,e,n){Ja(t.start),Ja(t.end);for(const i of t.getItems({shallow:!0})){const t=i.is("textProxy")?i.textNode:i;null!==n?t._setAttribute(e,n):t._removeAttribute(e),Ka(t.parent,t.index)}Ka(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new tc(qs.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class ec extends qa{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new P.b("detach-operation-on-document-node: Cannot detach document node.")}_execute(){$a(qs._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class nc extends qa{constructor(t,e,n,i){super(i),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,n=this.sourcePosition.offset,i=this.targetPosition.offset;if(!t||!e)throw new P.b("move-operation-position-invalid: Source position or target position is invalid.");if(n+this.howMany>t.maxOffset)throw new P.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.");if(t===e&&n<i&&i<n+this.howMany)throw new P.b("move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.");if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==U(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany)throw new P.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.")}}_execute(){Ga(qs._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const n=Hs.fromJSON(t.sourcePosition,e),i=Hs.fromJSON(t.targetPosition,e);return new this(n,t.howMany,i,t.baseVersion)}}class ic extends qa{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new Vs(Qa(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new Vs([...this.nodes].map(t=>t._clone(!0))),e=new ic(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new Hs(t,[0]);return new nc(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new P.b("insert-operation-position-invalid: Insertion position is invalid.")}_execute(){const t=this.nodes;this.nodes=new Vs([...t].map(t=>t._clone(!0))),Ya(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes)e.name?n.push(zs.fromJSON(e)):n.push(Ls.fromJSON(e));const i=new ic(Hs.fromJSON(t.position,e),n,t.baseVersion);return i.shouldReceiveAttributes=t.shouldReceiveAttributes,i}}class oc extends qa{constructor(t,e,n,i,o,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=n?n.clone():null,this.affectsData=o,this._markers=i}get type(){return"marker"}clone(){return new oc(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new oc(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new oc(t.name,t.oldRange?qs.fromJSON(t.oldRange,e):null,t.newRange?qs.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class rc extends qa{constructor(t,e,n,i){super(i),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=n}get type(){return"rename"}clone(){return new rc(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new rc(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof zs))throw new P.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.");if(t.name!==this.oldName)throw new P.b("rename-operation-wrong-name: Element to change has different name than operation's old name.")}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new rc(Hs.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class sc extends qa{constructor(t,e,n,i,o){super(o),this.root=t,this.key=e,this.oldValue=n,this.newValue=i}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new sc(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new sc(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new P.b("rootattribute-operation-not-a-root: The element to change is not a root element.",{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new P.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new P.b("rootattribute-operation-attribute-exists: The attribute with given key already exists.",{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new P.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",{rootName:t.root});return new sc(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class ac extends qa{constructor(t,e,n,i,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=i.clone()}get type(){return"merge"}get deletionPosition(){return new Hs(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new qs(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),n=new Hs(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),i=new cc(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return i.insertionPosition=n,i}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!(t&&t.is("element")&&t.parent))throw new P.b("merge-operation-source-position-invalid: Merge source position is invalid.");if(!(e&&e.is("element")&&e.parent))throw new P.b("merge-operation-target-position-invalid: Merge target position is invalid.");if(this.howMany!=t.maxOffset)throw new P.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.")}_execute(){const t=this.sourcePosition.parent;Ga(qs._createIn(t),this.targetPosition),Ga(qs._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=Hs.fromJSON(t.sourcePosition,e),i=Hs.fromJSON(t.targetPosition,e),o=Hs.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,i,o,t.baseVersion)}}class cc extends qa{constructor(t,e,n,i){super(i),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=cc.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new Hs(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new qs(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return t.insertionPosition=this.insertionPosition,t}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new Hs(t,[0]);return new ac(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new P.b("split-operation-position-invalid: Split position is invalid.");if(!t.parent)throw new P.b("split-operation-split-in-root: Cannot split root element.");if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new P.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.");if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new P.b("split-operation-graveyard-position-invalid: Graveyard position invalid.")}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)Ga(qs._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();Ya(this.insertionPosition,e)}Ga(new qs(Hs._createAt(t,this.splitPosition.offset),Hs._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new Hs(t.root,e)}static fromJSON(t,e){const n=Hs.fromJSON(t.splitPosition,e),i=Hs.fromJSON(t.insertionPosition,e),o=t.graveyardPosition?Hs.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,o,t.baseVersion);return r.insertionPosition=i,r}}class lc extends zs{constructor(t,e,n="main"){super(e),this._doc=t,this.rootName=n}get document(){return this._doc}is(t,e){return e?"rootElement"==t&&e==this.name||super.is(t,e):"rootElement"==t||super.is(t)}toJSON(){return this.rootName}}class dc{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new Ls(t,e)}createElement(t,e){return new zs(t,e)}createDocumentFragment(){return new Wa}insert(t,e,n=0){this._assertWriterUsedCorrectly();const i=Hs._createAt(e,n);if(t.parent){if(pc(t.root,i.root))return void this.move(qs._createOn(t),i);if(t.root.document)throw new Error("model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree.");this.remove(t)}const o=i.root.document?i.root.document.version:null,r=new ic(i,t,o);if(t instanceof Ls&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof Wa)for(const[e,n]of t.markers){const t=Hs._createAt(n.root,0),o=new qs(n.start._getCombined(t,i),n.end._getCombined(t,i));this.addMarker(e,{range:o,usingOperation:!0,affectsData:!0})}}insertText(t,e,n,i){e instanceof Wa||e instanceof zs||e instanceof Hs?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,i)}insertElement(t,e,n,i){e instanceof Wa||e instanceof zs||e instanceof Hs?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,i)}append(t,e){this.insert(t,e,"end")}appendText(t,e,n){e instanceof Wa||e instanceof zs?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof Wa||e instanceof zs?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof qs){const i=n.getMinimalFlatRanges();for(const n of i)uc(this,t,e,n)}else hc(this,t,e,n)}setAttributes(t,e){for(const[n,i]of Rs(t))this.setAttribute(n,i,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof qs){const n=e.getMinimalFlatRanges();for(const e of n)uc(this,t,null,e)}else hc(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof qs)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof qs))throw new P.b("writer-move-invalid-range: Invalid range to move.");if(!t.isFlat)throw new P.b("writer-move-range-not-flat: Range to move is not flat.");const i=Hs._createAt(e,n);if(!pc(t.root,i.root))throw new P.b("writer-move-different-document: Range is going to be moved between different documents.");const o=t.root.document?t.root.document.version:null,r=new nc(t.start,t.end.offset-t.start.offset,i,o);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){if(this._assertWriterUsedCorrectly(),t instanceof qs){const e=t.getMinimalFlatRanges().reverse();for(const t of e)mc(t.start,t.end.offset-t.start.offset,this.batch,this.model)}else{const e=t.is("text")?t.offsetSize:1;mc(Hs._createBefore(t),e,this.batch,this.model)}}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof zs))throw new P.b("writer-merge-no-element-before: Node before merge position must be an element.");if(!(n instanceof zs))throw new P.b("writer-merge-no-element-after: Node after merge position must be an element.");t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore,n=t.nodeAfter;this.move(qs._createIn(n),Hs._createAt(e,"end")),this.remove(n)}_merge(t){const e=Hs._createAt(t.nodeBefore,"end"),n=Hs._createAt(t.nodeAfter,0),i=t.root.document.graveyard,o=new Hs(i,[0]),r=t.root.document.version,s=new ac(n,t.nodeAfter.maxOffset,e,o,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof zs))throw new P.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.");const n=t.root.document?t.root.document.version:null,i=new rc(Hs._createBefore(t),t.name,e,n);this.batch.addOperation(i),this.model.applyOperation(i)}split(t,e){this._assertWriterUsedCorrectly();let n,i,o=t.parent;if(!o.parent)throw new P.b("writer-split-element-no-parent: Element with no parent can not be split.");if(e||(e=o.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new P.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.");do{const e=o.root.document?o.root.document.version:null,r=o.maxOffset-t.offset,s=new cc(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),n||i||(n=o,i=t.parent.nextSibling),o=(t=this.createPositionAfter(t.parent)).parent}while(o!==e);return{position:t,range:new qs(Hs._createAt(n,"end"),Hs._createAt(i,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new P.b("writer-wrap-range-not-flat: Range to wrap is not flat.");const n=e instanceof zs?e:new zs(e);if(n.childCount>0)throw new P.b("writer-wrap-element-not-empty: Element to wrap with is not empty.");if(null!==n.parent)throw new P.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.");const i=t.root.document?t.root.document.version:null,o=new ic(t.start,n,i);this.batch.addOperation(o),this.model.applyOperation(o);const r=new nc(t.start.getShiftedBy(1),t.end.offset-t.start.offset,Hs._createAt(n,0),null===i?null:i+1);this.batch.addOperation(r),this.model.applyOperation(r)}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new P.b("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.");this.move(qs._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new P.b("writer-addMarker-no-usingOperations: The options.usingOperations parameter is required when adding a new marker.");const n=e.usingOperation,i=e.range,o=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new P.b("writer-addMarker-marker-exists: Marker with provided name already exists.");if(!i)throw new P.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.");return n?(fc(this,t,null,i,o),this.model.markers.get(t)):this.model.markers._set(t,i,n,o)}updateMarker(t,e={}){this._assertWriterUsedCorrectly();const n="string"==typeof t?t:t.name,i=this.model.markers.get(n);if(!i)throw new P.b("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.");const o="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:i.affectsData;if(!o&&!e.range&&!r)throw new P.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.");const a=i.getRange(),c=e.range?e.range:a;o&&e.usingOperation!==i.managedUsingOperations?e.usingOperation?fc(this,n,null,c,s):(fc(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):i.managedUsingOperations?fc(this,n,a,c,s):this.model.markers._set(n,c,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new P.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.");const n=this.model.markers.get(e);n.managedUsingOperations?fc(this,e,n.getRange(),null,n.affectsData):this.model.markers._remove(e)}setSelection(t,e,n){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._setSelectionAttribute(t,e);else for(const[e,n]of Rs(t))this._setSelectionAttribute(e,n)}removeSelectionAttribute(t){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._removeSelectionAttribute(t);else for(const e of t)this._removeSelectionAttribute(e)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const i=ea._getStoreAttributeKey(t);this.setAttribute(i,e,n.anchor.parent)}n._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const n=ea._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new P.b("writer-incorrect-use: Trying to use a writer outside the change() block.")}}function uc(t,e,n,i){const o=t.model,r=o.document;let s,a,c,l=i.start;for(const t of i.getWalker({shallow:!0}))c=t.item.getAttribute(e),s&&a!=c&&(a!=n&&d(),l=s),s=t.nextPosition,a=c;function d(){const i=new qs(l,s),c=i.root.document?r.version:null,d=new tc(i,e,a,n,c);t.batch.addOperation(d),o.applyOperation(d)}s instanceof Hs&&s!=l&&a!=n&&d()}function hc(t,e,n,i){const o=t.model,r=o.document,s=i.getAttribute(e);let a,c;if(s!=n){if(i.root===i){const t=i.document?r.version:null;c=new sc(i,e,s,n,t)}else{const o=(a=new qs(Hs._createBefore(i),t.createPositionAfter(i))).root.document?r.version:null;c=new tc(a,e,s,n,o)}t.batch.addOperation(c),o.applyOperation(c)}}function fc(t,e,n,i,o){const r=t.model,s=r.document,a=new oc(e,n,i,r.markers,o,s.version);t.batch.addOperation(a),r.applyOperation(a)}function mc(t,e,n,i){let o;if(t.root.document){const n=i.document,r=new Hs(n.graveyard,[0]);o=new nc(t,e,r,n.version)}else o=new ec(t,e);n.addOperation(o),i.applyOperation(o)}function pc(t,e){return t===e||t instanceof lc&&e instanceof lc}class gc{constructor(t){this._markerCollection=t,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}bufferOperation(t){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())this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=qs._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const i=t.targetPosition.parent;this._isInInsertedElement(i)||this._markInsert(i,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,i){const o=this._changedMarkers.get(t);o?(o.newRange=n,o.affectsData=i,null==o.oldRange&&null==o.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:i})}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.oldRange&&t.push({name:e,range:n.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.newRange&&t.push({name:e,range:n.newRange});return t}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1),i=this._elementSnapshots.get(t),o=bc(t.getChildren()),r=wc(i.length,n);let s=0,a=0;for(const n of r)if("i"===n)e.push(this._getInsertDiff(t,s,o[s].name)),s++;else if("r"===n)e.push(this._getRemoveDiff(t,s,i[a].name)),a++;else if("a"===n){const n=o[s].attributes,r=i[a].attributes;let c;if("$text"==o[s].name)c=new qs(Hs._createAt(t,s),Hs._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new qs(Hs._createAt(t,s),Hs._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,r,n)),s++,a++}else s++,a++}e.sort((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1);for(let t=1;t<e.length;t++){const n=e[t-1],i=e[t],o="remove"==n.type&&"remove"==i.type&&"$text"==n.name&&"$text"==i.name&&n.position.isEqual(i.position),r="insert"==n.type&&"insert"==i.type&&"$text"==n.name&&"$text"==i.name&&n.position.parent==i.position.parent&&n.position.offset+n.length==i.position.offset,s="attribute"==n.type&&"attribute"==i.type&&n.position.parent==i.position.parent&&n.range.isFlat&&i.range.isFlat&&n.position.offset+n.length==i.position.offset&&n.attributeKey==i.attributeKey&&n.attributeOldValue==i.attributeOldValue&&n.attributeNewValue==i.attributeNewValue;(o||r||s)&&(e[t-1].length++,s&&(e[t-1].range.end=e[t-1].range.end.getShiftedBy(1)),e.splice(t,1),t--)}for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.slice().filter(kc),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,n){const i={type:"insert",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,i)}_markRemove(t,e,n){const i={type:"remove",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,i),this._removeAllNestedChanges(t,e,n)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const n=this._getChangesForElement(t);this._handleChange(e,n),n.push(e);for(let t=0;t<n.length;t++)n[t].howMany<1&&(n.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,bc(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const n of e){const i=t.offset+t.howMany,o=n.offset+n.howMany;if("insert"==t.type&&("insert"==n.type&&(t.offset<=n.offset?n.offset+=t.howMany:t.offset<o&&(n.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==n.type&&t.offset<n.offset&&(n.offset+=t.howMany),"attribute"==n.type))if(t.offset<=n.offset)n.offset+=t.howMany;else if(t.offset<o){const o=n.howMany;n.howMany=t.offset-n.offset,e.unshift({type:"attribute",offset:i,howMany:o-n.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==n.type)if(i<=n.offset)n.offset-=t.howMany;else if(i<=o)if(t.offset<n.offset){const e=i-n.offset;n.offset=t.offset,n.howMany-=e,t.nodesToHandle-=e}else n.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=n.offset)t.nodesToHandle-=n.howMany,n.howMany=0;else if(t.offset<o){const e=o-t.offset;n.howMany-=e,t.nodesToHandle-=e}if("remove"==n.type&&(i<=n.offset?n.offset-=t.howMany:t.offset<n.offset&&(t.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(i<=n.offset)n.offset-=t.howMany;else if(t.offset<n.offset){const e=i-n.offset;n.offset=t.offset,n.howMany-=e}else if(t.offset<o)if(i<=o){const i=n.howMany;n.howMany=t.offset-n.offset;const o=i-n.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:o,count:this._changeCount++})}else n.howMany-=o-t.offset}if("attribute"==t.type){if("insert"==n.type)if(t.offset<n.offset&&i>n.offset){if(i>o){const t={type:"attribute",offset:o,howMany:i-o,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=n.offset&&t.offset<o&&(i>o?(t.nodesToHandle=i-o,t.offset=o):t.nodesToHandle=0);"attribute"==n.type&&(t.offset>=n.offset&&i<=o?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=n.offset&&i>=o&&(n.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:Hs._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:Hs._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const i=[];n=new Map(n);for(const[o,r]of e){const e=n.has(o)?n.get(o):null;e!==r&&i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:o,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),n.delete(o)}for(const[e,o]of n)i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++});return i}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const n=this._changesInElement.get(e),i=t.startOffset;if(n)for(const t of n)if("insert"==t.type&&i>=t.offset&&i<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,n){const i=new qs(Hs._createAt(t,e),Hs._createAt(t,e+n));for(const t of i.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function bc(t){const e=[];for(const n of t)if(n.is("text"))for(let t=0;t<n.data.length;t++)e.push({name:"$text",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function wc(t,e){const n=[];let i=0,o=0;for(const t of e)t.offset>i&&(n.push(..."e".repeat(t.offset-i).split("")),o+=t.offset-i),"insert"==t.type?(n.push(..."i".repeat(t.howMany).split("")),i=t.offset+t.howMany):"remove"==t.type?(n.push(..."r".repeat(t.howMany).split("")),i=t.offset,o+=t.howMany):(n.push(..."a".repeat(t.howMany).split("")),i=t.offset+t.howMany,o+=t.howMany);return o<t&&n.push(..."e".repeat(t-o).split("")),n}function kc(t){const e=t.position&&"$graveyard"==t.position.root.rootName,n=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!n}class _c{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){return t<0?[]:this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function vc(t,e){return function(t){return!!t&&1==t.length&&/[\ud800-\udbff]/.test(t)}(t.charAt(e-1))&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e))}function yc(t,e){return function(t){return!!t&&1==t.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(t)}(t.charAt(e))}const xc="$graveyard";class Ac{constructor(t){this.model=t,this.version=0,this.history=new _c(this),this.selection=new ea(this),this.roots=new Xi({idProperty:"rootName"}),this.differ=new gc(t.markers),this._postFixers=new Set,this.createRoot("$root",xc),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new P.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",{operation:n})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"});let e=!1;this.listenTo(this.selection,"change",()=>{e=!0}),this.listenTo(t,"_change",(t,n)=>{this.differ.isEmpty&&!e||(this._callPostFixers(n),this.differ.hasDataChanges()?this.fire("change:data",n.batch):this.fire("change",n.batch),this.differ.reset(),e=!1)}),this.listenTo(t.markers,"update",(t,e,n,i)=>{this.differ.bufferMarkerChange(e.name,n,i,e.affectsData),null===n&&e.on("change",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot(xc)}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new P.b("model-document-createRoot-name-exists: Root with specified name already exists.",{name:e});const n=new lc(this,t,e);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>t!=xc)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=si(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,n=e.schema,i=e.createPositionFromPath(t,[0]);return n.getNearestSelectionRange(i)||e.createRange(i)}_validateSelectionRange(t){return Cc(t.start)&&Cc(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t))break}while(e)}}function Cc(t){const e=t.textNode;if(e){const n=e.data,i=t.offset-e.startOffset;return!vc(n,i)&&!yc(n,i)}return!0}F(Ac,R);class Tc{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,n=!1,i=!1){const o=t instanceof Pc?t.name:t,r=this._markers.get(o);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Xs.fromRange(e)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof i&&i!=r.affectsData&&(r._affectsData=i,s=!0),s&&this.fire("update:"+o,r,t,e),r}const s=Xs.fromRange(e),a=new Pc(o,s,n,i);return this._markers.set(o,a),this.fire("update:"+o,a,null,e),a}_remove(t){const e=t instanceof Pc?t.name:t,n=this._markers.get(e);return!!n&&(this._markers.delete(e),this.fire("update:"+e,n,n.getRange(),null),this._destroyMarker(n),!0)}*getMarkersAtPosition(t){for(const e of this)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}F(Tc,R);class Pc{constructor(t,e,n,i){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=n,this._affectsData=i}get managedUsingOperations(){if(!this._liveRange)throw new P.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new P.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._affectsData}getStart(){if(!this._liveRange)throw new P.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new P.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new P.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._liveRange.toRange()}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}F(Pc,R);class Mc extends Hs{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new P.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.");(function(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&function(t){const e=this.getTransformedByOperation(t);if(!this.isEqual(e)){const t=this.toPosition();this.path=e.path,this.root=e.root,this.fire("change",t)}}.call(this,n)},{priority:"low"})}).call(this)}detach(){this.stopListening()}toPosition(){return new Hs(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}F(Mc,R);class Sc{constructor(t,e,n){this.model=t,this.writer=e,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._filterAttributesOf=[]}handleNodes(t,e){t=Array.from(t);for(let n=0;n<t.length;n++){const i=t[n];this._handleNode(i,{isFirst:0===n&&e.isFirst,isLast:n===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?qs._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}_handleNode(t,e){if(this.schema.isObject(t))return void this._handleObject(t,e);this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is("element")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))return void fs.a.error("insertcontent-wrong-position: The node cannot be inserted on the given position.",{node:t,position:this.position});const e=Mc.fromPosition(this.position,"toNext");this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_mergeSiblingsOf(t,e){if(!(t instanceof zs))return;const n=this._canMergeLeft(t,e),i=this._canMergeRight(t,e),o=Mc._createBefore(t);o.stickiness="toNext";const r=Mc._createAfter(t);if(r.stickiness="toNext",n){const t=Mc.fromPosition(this.position);t.stickiness="toNext",this.writer.merge(o),this.position=t.toPosition(),t.detach()}if(i){this.position.isEqual(r)||fs.a.error("insertcontent-wrong-position-on-merge: The insertion position should equal the merge position"),this.position=Hs._createAt(r.nodeBefore,"end");const t=new Mc(this.position.root,this.position.path,"toPrevious");this.writer.merge(r),this.position=t.toPosition(),t.detach()}(n||i)&&this._filterAttributesOf.push(this.position.parent),o.detach(),r.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof zs&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof zs&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(t,n)}_tryAutoparagraphing(t,e){const n=this.writer.createElement("paragraph");this._getAllowedIn(n,this.position.parent)&&this.schema.checkChild(n,t)&&(n._appendChild(t),this._handleNode(n,e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(;e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function Ec(t,e,n={}){if(e.isCollapsed)return;const i=t.schema;t.change(t=>{if(!n.doNotResetEntireContent&&function(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n))return!1;const i=e.getFirstRange();if(i.start.parent==i.end.parent)return!1;return t.checkChild(n,"paragraph")}(i,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),Ic(t,t.createPositionAt(n,0),e)}(t,e);const o=e.getFirstRange(),r=o.start,s=Mc.fromPosition(o.end,"toNext");o.start.isTouching(o.end)||t.remove(o),n.leaveUnmerged||(!function t(e,n,i){const o=n.parent;const r=i.parent;if(o==r)return;if(e.model.schema.isLimit(o)||e.model.schema.isLimit(r))return;if(!function(t,e,n){const i=new qs(t,e);for(const t of i.getWalker())if(n.isLimit(t.item))return!1;return!0}(n,i,e.model.schema))return;n=e.createPositionAfter(o);i=e.createPositionBefore(r);i.isEqual(n)||e.insert(r,n);e.merge(n);for(;i.parent.isEmpty;){const t=i.parent;i=e.createPositionBefore(t),e.remove(t)}t(e,n,i)}(t,r,s),i.removeDisallowedAttributes(r.parent.getChildren(),t)),e instanceof ea?t.setSelection(r):e.setTo(r),function(t,e){const n=t.checkChild(e,"$text"),i=t.checkChild(e,"paragraph");return!n&&i}(i,r)&&Ic(t,r,e),s.detach()})}function Ic(t,e,n){const i=t.createElement("paragraph");t.insert(i,e),n instanceof ea?t.setSelection(i,0):n.setTo(i,0)}const Nc=' ,.?!:;"-()';function Oc(t,e,n={}){const i=t.schema,o="backward"!=n.direction,r=n.unit?n.unit:"character",s=e.focus,a=new Bs({boundaries:function(t,e){const n=t.root,i=Hs._createAt(n,e?"end":0);return e?new qs(t,i):new qs(i,t)}(s,o),singleCharacters:!0,direction:o?"forward":"backward"}),c={walker:a,schema:i,isForward:o,unit:r};let l;for(;l=a.next();){if(l.done)return;const n=Rc(c,l.value);if(n)return void(e instanceof ea?t.change(t=>{t.setSelectionFocus(n)}):e.setFocus(n))}}function Rc(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let i=t.position.offset-n.startOffset;for(;!Dc(n.data,i,e)&&!Lc(n,i,e);){t.next();const o=e?t.position.nodeAfter:t.position.nodeBefore;if(o&&o.is("text")){const i=o.data.charAt(e?0:o.data.length-1);Nc.includes(i)||(t.next(),n=t.position.textNode)}i=t.position.offset-n.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const n=t.position.textNode;if(n){const i=n.data;let o=t.position.offset-n.startOffset;for(;vc(i,o)||"character"==e&&yc(i,o);)t.next(),o=t.position.offset-n.startOffset}return t.position}(t.walker,t.unit,t.isForward);if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item))return Hs._createAt(e.item,t.isForward?"after":"before");if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}}function Dc(t,e,n){const i=e+(n?0:-1);return Nc.includes(t.charAt(i))}function Lc(t,e,n){return e===(n?t.endOffset:0)}function jc(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>{return(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))}).forEach(t=>{n.push(t.start.parent),e.remove(t)}),n.forEach(t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}})}function Vc(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.selection,i=e.schema,o=[];let r=!1;for(const t of n.getRanges()){const e=zc(t,i);e?(o.push(e),r=!0):o.push(t)}if(r){let e=o;if(o.length>1){const t=o[0].start,n=o[o.length-1].end;e=[new qs(t,n)]}t.setSelection(e,{backward:n.isBackward})}})(e,t))}function zc(t,e){return t.isCollapsed?function(t,e){const n=t.start,i=e.getNearestSelectionRange(n);if(!i)return null;const o=i.start;if(n.isEqual(o))return null;if(o.nodeAfter&&e.isLimit(o.nodeAfter))return new qs(o,Hs._createAfter(o.nodeAfter));return new qs(o)}(t,e):function(t,e){const n=t.start,i=t.end,o=e.checkChild(n,"$text"),r=e.checkChild(i,"$text"),s=e.getLimitElement(n),a=e.getLimitElement(i);if(s===a){if(o&&r)return null;if(function(t,e,n){const i=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text"),o=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return i&&o}(n,i,e)){const t=e.getNearestSelectionRange(n,"forward"),o=e.getNearestSelectionRange(i,"backward");return new qs(t?t.start:n,o?o.start:i)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const t=Hs._createAt(s,0),o=Hs._createAt(a,0),r=c?Bc(t,e,"start"):n,d=l?Bc(o,e,"end"):i;return new qs(r,d)}return null}(t,e)}function Bc(t,e,n){let i=t.parent,o=i;for(;e.isLimit(o)&&o.parent;)i=o,o=o.parent;return"start"===n?Hs._createBefore(i):Hs._createAfter(i)}class Fc{constructor(){this.markers=new Tc,this.document=new Ac(this),this.schema=new _a,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t)),this.on("applyOperation",(t,e)=>{e[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block"}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker",{allowIn:["$root","$block"]}),Vc(this)}change(t){return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new Ha,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}enqueueChange(t,e){"string"==typeof t?t=new Ha(t):"function"==typeof t&&(e=t,t=new Ha),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}applyOperation(t){t._execute()}insertContent(t,e,n){!function(t,e,n,i){t.change(o=>{let r;(r=n?n instanceof Ks||n instanceof ea?n:o.createSelection(n,i):t.document.selection).isCollapsed||t.deleteContent(r);const s=new Sc(t,o,r.anchor);let a;a=e.is("documentFragment")?e.getChildren():[e],s.handleNodes(a,{isFirst:!0,isLast:!0});const c=s.getSelectionRange();c?r instanceof ea?o.setSelection(c):r.setTo(c):fs.a.warn("insertcontent-no-range: Cannot determine a proper selection range after insertion.")})}(this,t,e,n)}deleteContent(t,e){Ec(this,t,e)}modifySelection(t,e){Oc(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const n=t.createDocumentFragment(),i=e.getFirstRange();if(!i||i.isCollapsed)return n;const o=i.start.root,r=i.start.getCommonPath(i.end),s=o.getNodeByPath(r);let a;const c=(a=i.start.parent==i.end.parent?i:t.createRange(t.createPositionAt(s,i.start.path[r.length]),t.createPositionAt(s,i.end.path[r.length]+1))).end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("textProxy")?t.appendText(e.data,e.getAttributes(),n):t.append(e._clone(!0),n);if(a!=i){const e=i._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0],o=t.createRange(t.createPositionAt(n,0),e.start);jc(t.createRange(e.end,t.createPositionAt(n,"end")),t),jc(o,t)}return n})}(this,t)}hasContent(t){if(t instanceof zs&&(t=qs._createIn(t)),t.isCollapsed)return!1;for(const e of t.getItems())if(e.is("textProxy")||this.schema.isObject(e))return!0;return!1}createPositionFromPath(t,e,n){return new Hs(t,e,n)}createPositionAt(t,e){return Hs._createAt(t,e)}createPositionAfter(t){return Hs._createAfter(t)}createPositionBefore(t){return Hs._createBefore(t)}createRange(t,e){return new qs(t,e)}createRangeIn(t){return qs._createIn(t)}createRangeOn(t){return qs._createOn(t)}createSelection(t,e,n){return new Ks(t,e,n)}createBatch(){return new Ha}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new dc(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n),this.fire("_change",this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}F(Fc,Li);class Uc{constructor(){this._listener=Object.create(rr)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+fo(e),e)})}set(t,e,n={}){const i=mo(t),o=n.priority;this._listener.listenTo(this._listener,"_keydown:"+i,(t,n)=>{e(n,()=>{n.preventDefault(),n.stopPropagation(),t.stop()}),t.return=!0},{priority:o})}press(t){return!!this._listener.fire("_keydown:"+fo(t),t)}destroy(){this._listener.stopListening()}}class Hc extends Uc{constructor(t){super(),this.editor=t}set(t,e,n={}){if("string"==typeof e){const t=e;e=((e,n)=>{this.editor.execute(t),n()})}super.set(t,e,n)}}n(57);class qc{constructor(t){const e=this.constructor.builtinPlugins;this.config=new T(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.plugins=new ma(this,e),this.commands=new pa,this.locale=new ba(this.config.get("language")),this.t=this.locale.t,this.set("state","initializing"),this.once("ready",()=>this.state="ready",{priority:"high"}),this.once("destroy",()=>this.state="destroyed",{priority:"high"}),this.set("isReadOnly",!1),this.model=new Fc,this.data=new za(this.model),this.editing=new fa(this.model),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new Ba,this.conversion.register("downcast",[this.editing.downcastDispatcher,this.data.downcastDispatcher]),this.conversion.register("editingDowncast",[this.editing.downcastDispatcher]),this.conversion.register("dataDowncast",[this.data.downcastDispatcher]),this.conversion.register("upcast",[this.data.upcastDispatcher]),this.keystrokes=new Hc(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this,e=this.config;return function(){const n=e.get("plugins")||[],i=e.get("removePlugins")||[],o=e.get("extraPlugins")||[];return t.plugins.load(n.concat(o),i)}().then(t=>n(t,"init").then(()=>n(t,"afterInit"))).then(()=>this.fire("pluginsReady"));function n(t,e){return t.reduce((t,n)=>n[e]?t.then(n[e].bind(n)):t,Promise.resolve())}}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise(t=>this.once("ready",t))),t.then(()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()}).then(()=>this.plugins.destroy()).then(()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()})}execute(...t){this.commands.execute(...t)}static create(t){return new Promise(e=>{const n=new this(t);e(n.initPlugins().then(()=>{n.fire("dataReady"),n.fire("ready")}).then(()=>n))})}}F(qc,Li);var Wc={setData(t){this.data.set(t)},getData(){return this.data.get()}};var Yc={updateSourceElement(){if(!this.sourceElement)throw new P.b("editor-missing-sourceelement: Cannot update the source element of a detached editor.");!function(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}(this.sourceElement,this.data.get())}};class $c{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class Gc{constructor(){this._domParser=new DOMParser,this._domConverter=new er({blockFiller:No}),this._htmlWriter=new $c}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),n=e.createDocumentFragment(),i=e.body.childNodes;for(;i.length>0;)n.appendChild(i[0]);return n}}class Qc{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){if(this.has(t))throw new P.b("componentfactory-item-exists: The item already exists in the component factory.",{name:t});this._components.set(Kc(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new P.b("componentfactory-item-missing: The required component is not registered in the factory.",{name:t});return this._components.get(Kc(t)).callback(this.editor.locale)}has(t){return this._components.has(Kc(t))}}function Kc(t){return String(t).toLowerCase()}class Jc{constructor(){this.set("isFocused",!1),this.focusedElement=null,this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new P.b("focusTracker-add-element-already-exist");this.listenTo(t,"focus",()=>this._focus(t),{useCapture:!0}),this.listenTo(t,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}F(Jc,rr),F(Jc,Li);class Zc{constructor(t,e){this.editor=t,this.view=e,this.componentFactory=new Qc(t),this.focusTracker=new Jc,this.listenTo(t.editing.view.document,"layoutChanged",()=>this.update())}update(){this.fire("update")}destroy(){this.stopListening(),this.view.destroy()}}F(Zc,R);class Xc extends Zc{constructor(t,e){super(t,e),this._toolbarConfig=function(t){return Array.isArray(t)?{items:t}:t?Object.assign({items:[]},t):{items:[]}}(t.config.get("toolbar"))}init(){const t=this.editor,e=this.view;e.render(),e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),e.stickyPanel.limiterElement=e.element,this._toolbarConfig.viewportTopOffset&&(e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset);const n=t.editing.view.document.getRoot();e.editable.bind("isReadOnly").to(n),e.editable.bind("isFocused").to(t.editing.view.document),e.editable.name=n.rootName,this.focusTracker.add(this.view.editableElement),this.view.toolbar.fillFromConfig(this._toolbarConfig.items,this.componentFactory),function({origin:t,originKeystrokeHandler:e,originFocusTracker:n,toolbar:i,beforeFocus:o,afterBlur:r}){n.add(i.element),e.set("Alt+F10",(t,e)=>{n.isFocused&&!i.focusTracker.isFocused&&(o&&o(),i.focus(),e())}),i.keystrokes.set("Esc",(e,n)=>{i.focusTracker.isFocused&&(t.focus(),r&&r(),n())})}({origin:t.editing.view,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:this.view.toolbar})}}class tl extends Xi{constructor(t){super({idProperty:"viewUid"}),this.on("add",(t,e,n)=>{e.isRendered||e.render(),e.element&&this._parentElement&&this._parentElement.insertBefore(e.element,this._parentElement.children[n])}),this.on("remove",(t,e)=>{e.element&&this._parentElement&&e.element.remove()}),this.locale=t,this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t}delegate(...t){if(!t.length||!function(t){return t.every(t=>"string"==typeof t)}(t))throw new P.b("ui-viewcollection-delegate-wrong-events: All event names must be strings.");return{to:e=>{for(const n of this)for(const i of t)n.delegate(i).to(e);this.on("add",(n,i)=>{for(const n of t)i.delegate(n).to(e)}),this.on("remove",(n,i)=>{for(const n of t)i.stopDelegating(n,e)})}}}}F(Xi,Li);var el=1,nl=4;var il=function(t,e){return oi(t,el|nl,e="function"==typeof e?e:void 0)};const ol="http://www.w3.org/1999/xhtml";class rl{constructor(t){Object.assign(this,ml(fl(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new P.b("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.");this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const n of e.children)kl(n)?yield n:_l(n)&&(yield*t(n))}(this)}static bind(t,e){return{to:(n,i)=>new al({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:i}),if:(n,i,o)=>new cl({observable:t,emitter:e,attribute:n,valueIfTrue:i,callback:o})}}static extend(t,e){t._isRendered&&fs.a.warn("template-extend-render: Attempting to extend a template which has already been rendered."),function t(e,n){n.attributes&&(e.attributes||(e.attributes={}),bl(e.attributes,n.attributes));n.eventListeners&&(e.eventListeners||(e.eventListeners={}),bl(e.eventListeners,n.eventListeners));n.text&&e.text.push(...n.text);if(n.children&&n.children.length){if(e.children.length!=n.children.length)throw new P.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.");let i=0;for(const o of n.children)t(e.children[i++],o)}}(t,ml(fl(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text)throw new P.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.');return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||ol,this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),ll(this.text)?this._bindToObservable({schema:this.text,updater:function(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,n,i,o;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(i=r.getAttribute(e),n=this.attributes[e],s&&(s.attributes[e]=i),o=it(n[0])&&n[0].ns?n[0].ns:null,ll(n)){const a=o?n[0].value:n;s&&yl(e)&&a.unshift(i),this._bindToObservable({schema:a,updater:ul(r,e,o),data:t})}else"style"==e&&"string"!=typeof n[0]?this._renderStyleAttribute(n[0],t):(s&&i&&yl(e)&&n.unshift(i),wl(n=n.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(gl,""))||r.setAttributeNS(o,e,n))}_renderStyleAttribute(t,e){const n=e.node;for(const i in t){const o=t[i];ll(o)?this._bindToObservable({schema:[o],updater:hl(n,i),data:e}):n.style[i]=o}}_renderElementChildren(t){const e=t.node,n=t.intoFragment?document.createDocumentFragment():e,i=t.isApplying;let o=0;for(const r of this.children)if(vl(r)){if(!i){r.setParent(e);for(const t of r)n.appendChild(t.element)}}else if(kl(r))i||(r.isRendered||r.render(),n.appendChild(r.element));else if(qo(r))n.appendChild(r);else if(i){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:n.childNodes[o++],isApplying:!0,revertData:e})}else n.appendChild(r.render());t.intoFragment&&e.appendChild(n)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const n=this.eventListeners[e].map(n=>{const[i,o]=e.split("@");return n.activateDomEventListener(i,o,t)});t.revertData&&t.revertData.bindings.push(n)}}_bindToObservable({schema:t,updater:e,data:n}){const i=n.revertData;dl(t,e,n);const o=t.filter(t=>!wl(t)).filter(t=>t.observable).map(i=>i.activateAttributeListener(t,e,n));i&&i.bindings.push(o)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const n in e.attributes){const i=e.attributes[n];null===i?t.removeAttribute(n):t.setAttribute(n,i)}for(let n=0;n<e.children.length;++n)this._revertTemplateFromNode(t.childNodes[n],e.children[n])}}}F(rl,R);class sl{constructor(t){Object.assign(this,t)}getValue(t){const e=this.observable[this.attribute];return this.callback?this.callback(e,t):e}activateAttributeListener(t,e,n){const i=()=>dl(t,e,n);return this.emitter.listenTo(this.observable,"change:"+this.attribute,i),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,i)}}}class al extends sl{activateDomEventListener(t,e,n){const i=(t,n)=>{e&&!n.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(n):this.observable.fire(this.eventNameOrFunction,n))};return this.emitter.listenTo(n.node,t,i),()=>{this.emitter.stopListening(n.node,t,i)}}}class cl extends sl{getValue(t){return!wl(super.getValue(t))&&(this.valueIfTrue||!0)}}function ll(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some(ll):t instanceof sl)}function dl(t,e,{node:n}){let i=function(t,e){return t.map(t=>t instanceof sl?t.getValue(e):t)}(t,n);wl(i=1==t.length&&t[0]instanceof cl?i[0]:i.reduce(gl,""))?e.remove():e.set(i)}function ul(t,e,n){return{set(i){t.setAttributeNS(n,e,i)},remove(){t.removeAttributeNS(n,e)}}}function hl(t,e){return{set(n){t.style[e]=n},remove(){t.style[e]=null}}}function fl(t){return il(t,t=>{if(t&&(t instanceof sl||_l(t)||kl(t)||vl(t)))return t})}function ml(t){if("string"==typeof t?t=function(t){return{text:[t]}}(t):t.text&&function(t){Array.isArray(t.text)||(t.text=[t.text])}(t),t.on&&(t.eventListeners=function(t){for(const e in t)pl(t,e);return t}(t.on),delete t.on),!t.text){t.attributes&&function(t){for(const e in t)t[e].value&&(t[e].value=[].concat(t[e].value)),pl(t,e)}(t.attributes);const e=[];if(t.children)if(vl(t.children))e.push(t.children);else for(const n of t.children)_l(n)||kl(n)||qo(n)?e.push(n):e.push(new rl(n));t.children=e}return t}function pl(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function gl(t,e){return wl(e)?t:wl(t)?e:`${t} ${e}`}function bl(t,e){for(const n in e)t[n]?t[n].push(...e[n]):t[n]=e[n]}function wl(t){return!t&&0!==t}function kl(t){return t instanceof xl}function _l(t){return t instanceof rl}function vl(t){return t instanceof tl}function yl(t){return"class"==t||"style"==t}n(58);class xl{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new Xi,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(e,n)=>{n.locale=t}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=rl.bind(this,this)}createCollection(){const t=new tl;return this._viewCollections.add(t),t}registerChild(t){ui(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){ui(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new rl(t)}extendTemplate(t){rl.extend(this.template,t)}render(){if(this.isRendered)throw new P.b("ui-view-render-already-rendered: This View has already been rendered.");this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(t=>t.destroy())}}F(xl,rr),F(xl,Li);n(61);class Al extends xl{constructor(t){super(t),this.body=this.createCollection()}render(){super.render(),this._renderBodyCollection()}destroy(){return this._bodyCollectionContainer.remove(),super.destroy()}_renderBodyCollection(){const t=this._bodyCollectionContainer=new rl({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"]},children:this.body}).render();document.body.appendChild(t)}}n(63);class Cl extends xl{constructor(t){super(t),this.set("text"),this.set("for");const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],for:e.to("for")},children:[{text:e.to("text")}]})}}class Tl extends Al{constructor(t){super(t);const e=E();this.top=this.createCollection(),this.main=this.createCollection(),this._voiceLabelView=this._createVoiceLabel(e),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-editor","ck-rounded-corners"],role:"application",dir:"ltr",lang:t.language,"aria-labelledby":`ck-editor__aria-label_${e}`},children:[this._voiceLabelView,{tag:"div",attributes:{class:["ck","ck-editor__top","ck-reset_all"],role:"presentation"},children:this.top},{tag:"div",attributes:{class:["ck","ck-editor__main"],role:"presentation"},children:this.main}]})}_createVoiceLabel(t){const e=this.t,n=new Cl;return n.text=e("cd"),n.extendTemplate({attributes:{id:`ck-editor__aria-label_${t}`,class:"ck-voice-label"}}),n}}class Pl extends xl{constructor(t,e){super(t);const n=this.bindTemplate;e&&(this.element=this.editableElement=e),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners",n.to("isFocused",t=>t?"ck-focused":"ck-blurred"),n.if("isReadOnly","ck-read-only")],contenteditable:n.to("isReadOnly",t=>!t)}}),this.set("isReadOnly",!1),this.set("isFocused",!1),this.externalElement=e}render(){super.render(),this.externalElement?this.template.apply(this.element=this.externalElement):this.editableElement=this.element}destroy(){this.externalElement&&this.template.revert(this.externalElement),super.destroy()}}class Ml extends Pl{constructor(t,e){super(t,e);const n=this.bindTemplate,i=this.t;this.set("name",null);this.extendTemplate({attributes:{role:"textbox","aria-label":n.to("name",t=>i("ce",[t])),class:"ck-editor__editable_inline"}})}}function Sl(t){return e=>e+t}n(65);const El=Sl("px");class Il extends xl{constructor(t){super(t);const e=this.bindTemplate;this.set("isActive",!1),this.set("isSticky",!1),this.set("limiterElement",null),this.set("limiterBottomOffset",50),this.set("viewportTopOffset",0),this.set("_marginLeft",null),this.set("_isStickyToTheLimiter",!1),this.set("_hasViewportTopOffset",!1),this.content=this.createCollection(),this._contentPanelPlaceholder=new rl({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:e.to("isSticky",t=>t?"block":"none"),height:e.to("isSticky",t=>t?El(this._panelRect.height):null)}}}).render(),this._contentPanel=new rl({tag:"div",attributes:{class:["ck","ck-sticky-panel__content",e.if("isSticky","ck-sticky-panel__content_sticky"),e.if("_isStickyToTheLimiter","ck-sticky-panel__content_sticky_bottom-limit")],style:{width:e.to("isSticky",t=>t?El(this._contentPanelPlaceholder.getBoundingClientRect().width):null),top:e.to("_hasViewportTopOffset",t=>t?El(this.viewportTopOffset):null),bottom:e.to("_isStickyToTheLimiter",t=>t?El(this.limiterBottomOffset):null),marginLeft:e.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(Jo.window,"scroll",()=>{this._checkIfShouldBeSticky()}),this.listenTo(this,"change:isActive",()=>{this._checkIfShouldBeSticky()})}_checkIfShouldBeSticky(){const t=this._panelRect=this._contentPanel.getBoundingClientRect();let e;this.limiterElement?(e=this._limiterRect=this.limiterElement.getBoundingClientRect(),this.isSticky=this.isActive&&e.top<this.viewportTopOffset&&this._panelRect.height+this.limiterBottomOffset<e.height):this.isSticky=!1,this.isSticky?(this._isStickyToTheLimiter=e.bottom<t.height+this.limiterBottomOffset+this.viewportTopOffset,this._hasViewportTopOffset=!this._isStickyToTheLimiter&&!!this.viewportTopOffset,this._marginLeft=this._isStickyToTheLimiter?null:El(-Jo.window.scrollX)):(this._isStickyToTheLimiter=!1,this._hasViewportTopOffset=!1,this._marginLeft=null)}}class Nl{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let n=t.actions[e];"string"==typeof n&&(n=[n]);for(const i of n)t.keystrokeHandler.set(i,(t,n)=>{this[e](),n()})}}get first(){return this.focusables.find(Ol)||null}get last(){return this.focusables.filter(Ol).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let t=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((e,n)=>{const i=e.element===this.focusTracker.focusedElement;return i&&(t=n),i}),t)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(t){t&&t.focus()}_getFocusableItem(t){const e=this.current,n=this.focusables.length;if(!n)return null;if(null===e)return this[1===t?"first":"last"];let i=(e+n+t)%n;do{const e=this.focusables.get(i);if(Ol(e))return e;i=(i+n+t)%n}while(i!==e);return null}}function Ol(t){return!(!t.focus||"none"==Jo.window.getComputedStyle(t.element).display)}class Rl extends xl{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}n(67);class Dl extends xl{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),this.focusTracker=new Jc,this.keystrokes=new Uc,this.set("isVertical",!1),this.set("className"),this._focusCycler=new Nl({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",e.if("isVertical","ck-toolbar_vertical"),e.to("className")]},children:this.items,on:{mousedown:function(t){return t.bindTemplate.to(e=>{e.target===t.element&&e.preventDefault()})}(this)}})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){t.map(t=>{"|"==t?this.items.add(new Rl):e.has(t)?this.items.add(e.create(t)):fs.a.warn("toolbarview-item-unavailable: The requested toolbar item is unavailable.",{name:t})})}}n(69);class Ll extends Tl{constructor(t){super(t),this.stickyPanel=new Il(t),this.toolbar=new Dl(t),this.editable=new Ml(t)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}get editableElement(){return this.editable.element}}class jl{constructor(){this._replacedElements=[]}replace(t,e){this._replacedElements.push({element:t,newElement:e}),t.style.display="none",e&&t.parentNode.insertBefore(e,t.nextSibling)}restore(){this._replacedElements.forEach(({element:t,newElement:e})=>{t.style.display="",e&&e.remove()}),this._replacedElements=[]}}class Vl extends qc{constructor(t,e){super(e),tr(t)&&(this.sourceElement=t),this._elementReplacer=new jl,this.data.processor=new Gc,this.model.document.createRoot(),this.ui=new Xc(this,new Ll(this.locale)),function(t){if(!ct(t.updateSourceElement))throw new P.b("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.");const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let n;const i=e.form,o=()=>t.updateSourceElement();ct(i.submit)&&(n=i.submit,i.submit=(()=>{o(),n.apply(i)})),i.addEventListener("submit",o),t.on("destroy",()=>{i.removeEventListener("submit",o),n&&(i.submit=n)})}}(this)}get element(){return this.ui.view.element}destroy(){return this.sourceElement&&this.updateSourceElement(),this._elementReplacer.restore(),this.ui.destroy(),super.destroy()}static create(t,e){return new Promise(n=>{const i=new this(t,e);n(i.initPlugins().then(()=>i.ui.init()).then(()=>{tr(t)&&i._elementReplacer.replace(t,i.element),i.fire("uiReady")}).then(()=>i.editing.view.attachDomRoot(i.ui.view.editableElement)).then(()=>{const e=tr(t)?function(t){return t instanceof HTMLTextAreaElement?t.value:t.innerHTML}(t):t;return i.data.init(e)}).then(()=>{i.fire("dataReady"),i.fire("ready")}).then(()=>i))})}}F(Vl,Wc),F(Vl,Yc);class zl{constructor(t){this.editor=t}destroy(){this.stopListening()}}F(zl,Li);class Bl{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],n=t.items?Array.from(t.items):[];if(e.length)return e;return n.filter(t=>"file"===t.kind).map(t=>t.getAsFile())}(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}}class Fl extends Kr{constructor(t){super(t);const e=this.document;function n(t,n){n.preventDefault();const i=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges());e.fire("clipboardInput",{dataTransfer:n.dataTransfer,targetRanges:i})}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",n,{priority:"low"}),this.listenTo(e,"drop",n,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new Bl(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const n=e.target.ownerDocument,i=e.clientX,o=e.clientY;let r;n.caretRangeFromPoint&&n.caretRangeFromPoint(i,o)?r=n.caretRangeFromPoint(i,o):e.rangeParent&&((r=n.createRange()).setStart(e.rangeParent,e.rangeOffset),r.collapse(!0));return r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}const Ul=["figcaption","li"];class Hl extends zl{static get pluginName(){return"Clipboard"}init(){const t=this.editor,e=t.model.document,n=t.editing.view,i=n.document;function o(n,o){const r=o.dataTransfer;o.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));i.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this._htmlDataProcessor=new Gc,n.addObserver(Fl),this.listenTo(i,"clipboardInput",e=>{t.isReadOnly&&e.stop()},{priority:"highest"}),this.listenTo(i,"clipboardInput",(t,e)=>{const i=e.dataTransfer;let o="";i.getData("text/html")?o=function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1==e.length?" ":e)}(i.getData("text/html")):i.getData("text/plain")&&(o=function(t){return(t=t.replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\n\n/g,"</p><p>").replace(/\n/g,"<br>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).indexOf("</p><p>")>-1&&(t=`<p>${t}</p>`),t}(i.getData("text/plain"))),o=this._htmlDataProcessor.toView(o),this.fire("inputTransformation",{content:o,dataTransfer:i}),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const t=this.editor.data,n=this.editor.model,i=t.toModel(e.content,"$clipboardHolder");if(0==i.childCount)return;n.insertContent(i)}},{priority:"low"}),this.listenTo(i,"copy",o,{priority:"low"}),this.listenTo(i,"cut",(e,n)=>{t.isReadOnly?n.preventDefault():o(e,n)},{priority:"low"}),this.listenTo(i,"clipboardOutput",(n,i)=>{i.content.isEmpty||(i.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(i.content)),i.dataTransfer.setData("text/plain",function t(e){let n="";if(e.is("text")||e.is("textProxy"))n=e.data;else if(e.is("img")&&e.hasAttribute("alt"))n=e.getAttribute("alt");else{let i=null;for(const o of e.getChildren()){const e=t(o);i&&(i.is("containerElement")||o.is("containerElement"))&&(Ul.includes(i.name)||Ul.includes(o.name)?n+="\n":n+="\n\n"),n+=e,i=o}}return n}(i.content))),"cut"==i.method&&t.model.deleteContent(e.selection)},{priority:"low"})}}class ql{constructor(t){this.editor=t,this.set("value",void 0),this.set("isEnabled",!1),this.decorate("execute"),this.listenTo(this.editor.model.document,"change",()=>{this.refresh()}),this.on("execute",t=>{this.isEnabled||t.stop()},{priority:"high"}),this.listenTo(t,"change:isReadOnly",(t,e,n)=>{n?(this.on("set:isEnabled",Wl,{priority:"highest"}),this.isEnabled=!1):(this.off("set:isEnabled",Wl),this.refresh())})}refresh(){this.isEnabled=!0}execute(){}destroy(){this.stopListening()}}function Wl(t){t.return=!1,t.stop()}F(ql,Li);class Yl extends ql{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n,i){const o=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(i.isLimit(s)||i.isLimit(a))return void(o||s!=a||t.deleteContent(n));if(o)$l(e,r.start);else{const i=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;t.deleteContent(n,{leaveUnmerged:i}),i&&(o?$l(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})})}}function $l(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class Gl extends cr{constructor(t){super(t);const e=this.document;e.on("keydown",(t,n)=>{if(this.isEnabled&&n.keyCode==ho.enter){let i;e.once("enter",t=>i=t,{priority:"highest"}),e.fire("enter",new Qr(e,n.domEvent,{isSoft:n.shiftKey})),i&&i.stop.called&&t.stop()}})}observe(){}}class Ql extends zl{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(Gl),t.commands.add("enter",new Yl(t)),this.listenTo(n,"enter",(n,i)=>{i.preventDefault(),i.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}}class Kl extends ql{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n){const i=n.isCollapsed,o=n.getFirstRange(),r=o.start.parent,s=o.end.parent,a=r==s;if(i)Jl(e,o.end);else{const i=!(o.start.isAtStart&&o.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:i}),a?Jl(e,n.focus):i&&e.setSelection(s,0)}}(t,n,e.selection),this.fire("afterExecute",{writer:n})})}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const n=e.anchor;if(!n||!t.checkChild(n,"softBreak"))return!1;const i=e.getFirstRange(),o=i.start.parent,r=i.end.parent;if((Zl(o,t)||Zl(r,t))&&o!==r)return!1;return!0}(t.schema,e.selection)}}function Jl(t,e){const n=t.createElement("softBreak");t.insert(n,e),t.setSelection(n,"after")}function Zl(t,e){return!t.is("rootElement")&&(e.isLimit(t)||Zl(t.parent,e))}class Xl extends zl{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,n=t.conversion,i=t.editing.view,o=i.document;e.register("softBreak",{allowWhere:"$text"}),n.for("upcast").add(Oa({model:"softBreak",view:"br"})),n.for("downcast").add(aa({model:"softBreak",view:(t,e)=>e.createEmptyElement("br")})),i.addObserver(Gl),t.commands.add("shiftEnter",new Kl(t)),this.listenTo(o,"enter",(e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),i.scrollToTheSelection())},{priority:"low"})}}class td{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=((t,e)=>{"transparent"!=e.type&&e!==this._batch&&this._reset(!0)}),this._selectionChangeCallback=(()=>{this._reset()}),this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(t){this.size+=t,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}class ed extends ql{constructor(t,e){super(t),this._buffer=new td(t.model,e)}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,n=e.document,i=t.text||"",o=i.length,r=t.range||n.selection.getFirstRange(),s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{const e=r.isCollapsed;this._buffer.lock(),e||t.remove(r),i&&t.insertText(i,n.selection.getAttributes(),r.start),s?t.setSelection(s):e&&t.setSelection(r.start.getShiftedBy(o)),this._buffer.unlock(),this._buffer.input(o)})}}function nd(t){let e=null;const n=t.model,i=t.editing.view,o=t.commands.get("input");function r(){const t=o.buffer;t.lock(),n.enqueueChange(t.batch,()=>{n.deleteContent(n.document.selection)}),t.unlock()}i.document.on("keydown",(t,s)=>(function(t){const s=n.document,a=i.document.isComposing,c=e&&e.isEqual(s.selection);if(e=null,!o.isEnabled)return;if(function(t){if(t.ctrlKey)return!0;return id.includes(t.keyCode)}(t)||s.selection.isCollapsed)return;if(a&&229===t.keyCode)return;if(!a&&229===t.keyCode&&c)return;r()})(s),{priority:"lowest"}),i.document.on("compositionstart",function(){const t=n.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;if(t.selection.isCollapsed||e)return;r()},{priority:"lowest"}),i.document.on("compositionend",()=>{e=n.createSelection(n.document.selection)},{priority:"lowest"})}const id=[fo("arrowUp"),fo("arrowRight"),fo("arrowDown"),fo("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++)id.push(t);function od(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!rd(e))return!0;return!1}function rd(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const n=[];let i,o=0;return t.forEach(t=>{"equal"==t?(r(),o++):"insert"==t?(s("insert")?i.values.push(e[o]):(r(),i={type:"insert",index:o,values:[e[o]]}),o++):s("delete")?i.howMany++:(r(),i={type:"delete",index:o,howMany:1})}),r(),n;function r(){i&&(n.push(i),i=null)}function s(t){return i&&i.type==t}}(Fo(t.oldChildren,t.newChildren,sd),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("text")?n:void 0}function sd(t,e){return t&&t.is("text")&&e&&e.is("text")?t.data===e.data:t===e}class ad{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(od(t))this._handleContainerChildrenMutations(t,e);else for(const n of t)this._handleTextMutation(n,e),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(t,e){const n=function(t){const e=t.map(t=>t.node).reduce((t,e)=>t.getCommonAncestor(e,{includeSelf:!0}));if(!e)return;return e.getAncestors({includeSelf:!0,parentFirst:!0}).find(t=>t.is("containerElement")||t.is("rootElement"))}(t);if(!n)return;const i=this.editor.editing.view.domConverter.mapViewToDom(n),o=new er,r=this.editor.data.toModel(o.domToView(i)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],d=c[c.length-1];if(l&&l.is("softBreak")&&d&&!d.is("softBreak")&&a.pop(),!cd(a)||!cd(c))return;const u=a.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," "),h=c.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," ");if(h===u)return;const f=Fo(h,u),{firstChangeAt:m,insertions:p,deletions:g}=ld(f);let b=null;e&&(b=this.editing.mapper.toModelRange(e.getFirstRange()));const w=u.substr(m,p),k=this.editor.model.createRange(this.editor.model.createPositionAt(s,m),this.editor.model.createPositionAt(s,m+g));this.editor.execute("input",{text:w,range:k,resultRange:b})}_handleTextMutation(t,e){if("text"!=t.type)return;const n=t.newText.replace(/\u00A0/g," "),i=Fo(t.oldText.replace(/\u00A0/g," "),n),{firstChangeAt:o,insertions:r,deletions:s}=ld(i);let a=null;e&&(a=this.editing.mapper.toModelRange(e.getFirstRange()));const c=this.editing.view.createPositionAt(t.node,o),l=this.editing.mapper.toModelPosition(c),d=this.editor.model.createRange(l,l.getShiftedBy(s)),u=n.substr(o,r);this.editor.execute("input",{text:u,range:d,resultRange:a})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=rd(t),n=this.editing.view.createPositionAt(t.node,e.index),i=this.editing.mapper.toModelPosition(n),o=e.values[0].data;this.editor.execute("input",{text:o.replace(/\u00A0/g," "),range:this.editor.model.createRange(i)})}}function cd(t){return t.every(t=>t.is("text")||t.is("softBreak"))}function ld(t){let e=null,n=null;for(let i=0;i<t.length;i++){"equal"!=t[i]&&(e=null===e?i:e,n=i)}let i=0,o=0;for(let r=e;r<=n;r++)"insert"!=t[r]&&i++,"delete"!=t[r]&&o++;return{insertions:o,deletions:i,firstChangeAt:e}}class dd extends zl{static get pluginName(){return"Input"}init(){const t=this.editor,e=new ed(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),nd(t),function(t){t.editing.view.document.on("mutations",(e,n,i)=>{new ad(t).handle(n,i)})}(t)}}class ud extends ql{constructor(t,e){super(t),this.direction=e,this._buffer=new td(t.model,t.config.get("typing.undoStep"))}execute(t={}){const e=this.editor.model,n=e.document;e.enqueueChange(this._buffer.batch,i=>{this._buffer.lock();const o=i.createSelection(n.selection),r=o.isCollapsed;if(o.isCollapsed&&e.modifySelection(o,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(i);if(o.isCollapsed)return;let s=0;o.getFirstRange().getMinimalFlatRanges().forEach(t=>{s+=Ki(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(o,{doNotResetEntireContent:r}),this._buffer.input(s),i.setSelection(o),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,n=e.document.selection,i=e.schema.getLimitElement(n);if(!(n.isCollapsed&&n.containsEntireContent(i)))return!1;if(!e.schema.checkChild(i,"paragraph"))return!1;const o=i.getChild(0);return!o||"paragraph"!==o.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,n=e.document.selection,i=e.schema.getLimitElement(n),o=t.createElement("paragraph");t.remove(t.createRangeIn(i)),t.insert(o,i),t.setSelection(o,0)}}class hd extends cr{constructor(t){super(t);const e=t.document;let n=0;e.on("keyup",(t,e)=>{e.keyCode!=ho.delete&&e.keyCode!=ho.backspace||(n=0)}),e.on("keydown",(t,i)=>{const o={};if(i.keyCode==ho.delete)o.direction="forward",o.unit="character";else{if(i.keyCode!=ho.backspace)return;o.direction="backward",o.unit="codePoint"}const r=co.isMac?i.altKey:i.ctrlKey;let s;o.unit=r?"word":o.unit,o.sequence=++n,e.once("delete",t=>s=t,{priority:"highest"}),e.fire("delete",new Qr(e,i.domEvent,o)),s&&s.stop.called&&t.stop()})}observe(){}}function fd(t){const e=t.model,n=t.editing.view,i=200;let o=null,r=e.createSelection(e.document.selection),s=Date.now();e.document.selection.on("change",function(t){const n=e.createSelection(t.source);r.isEqual(n)||(o=r,r=n,s=Date.now())}),n.document.on("mutations",function(n,a){od(a)&&function(t){for(const e of t){if("children"!==e.type)continue;const t=e.oldChildren,n=e.newChildren;if(!md(t))continue;const i=Fo(t,n),o=i.some(t=>"delete"===t),r=i.some(t=>"insert"===t);if(o&&!r)return!0}return!1}(a)&&(!function(){Date.now()-s<i&&o&&!o.isCollapsed&&r.isCollapsed&&r.getLastPosition().isEqual(o.getLastPosition())&&e.enqueueChange(t=>{t.setSelection(o)});t.execute("delete")}(),n.stop())},{priority:"highest"})}function md(t){return t.every(t=>t.is("containerElement"))}class pd extends zl{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(hd),t.commands.add("forwardDelete",new ud(t,"forward")),t.commands.add("delete",new ud(t,"backward")),this.listenTo(n,"delete",(n,i)=>{t.execute("forward"==i.direction?"forwardDelete":"delete",{unit:i.unit,sequence:i.sequence}),i.preventDefault(),e.scrollToTheSelection()}),fd(t)}}class gd extends zl{static get requires(){return[dd,pd]}static get pluginName(){return"Typing"}}class bd extends qa{get type(){return"noop"}clone(){return new bd(this.baseVersion)}getReversed(){return new bd(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const wd=new Map;function kd(t,e,n){let i=wd.get(t);i||(i=new Map,wd.set(t,i)),i.set(e,n)}function _d(t){return[t]}function vd(t,e,n={}){const i=function(t,e){const n=wd.get(t);return n&&n.has(e)?n.get(e):_d}(t.constructor,e.constructor);try{return i(t=t.clone(),e,n)}catch(i){throw fs.a.error("Error during operation transformation!",i.message),fs.a.error("Transformed operation",t),fs.a.error("Operation transformed by",e),fs.a.error("context.aIsStrong",n.aIsStrong),fs.a.error("context.aWasUndone",n.aWasUndone),fs.a.error("context.bWasUndone",n.bWasUndone),fs.a.error("context.abRelation",n.abRelation),fs.a.error("context.baRelation",n.baRelation),i}}function yd(t,e,n){if(t=t.slice(),e=e.slice(),0==t.length||0==e.length)return{operationsA:t,operationsB:e};const i=new WeakMap;for(const e of t)i.set(e,0);const o={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length},r=new xd(n.document,n.useRelations);r.setOriginalOperations(t),r.setOriginalOperations(e);let s=0;for(;s<t.length;){const n=t[s],o=i.get(n);if(o==e.length){s++;continue}const a=e[o],c=vd(n,a,r.getContext(n,a,!0)),l=vd(a,n,r.getContext(a,n,!1));r.updateRelation(n,a),r.setOriginalOperations(c,n),r.setOriginalOperations(l,a);for(const t of c)i.set(t,o+l.length);t.splice(s,1,...c),e.splice(o,1,...l)}if(n.padWithNoOps){const n=t.length-o.originalOperationsACount,i=e.length-o.originalOperationsBCount;Cd(t,i-n),Cd(e,n-i)}return Ad(t,o.nextBaseVersionB),Ad(e,o.nextBaseVersionA),{operationsA:t,operationsB:e}}class xd{constructor(t,e){this._history=t.history,this._useRelations=e,this._originalOperations=new Map,this._relations=new Map}setOriginalOperations(t,e=null){const n=e?this._originalOperations.get(e):null;for(const e of t)this._originalOperations.set(e,n||e)}updateRelation(t,e){switch(t.constructor){case nc:switch(e.constructor){case ac:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case nc:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case cc:switch(e.constructor){case ac:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case nc:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case ac:switch(e.constructor){case ac:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case cc:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}}}getContext(t,e,n){return{aIsStrong:n,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null}}_wasUndone(t){const e=this._originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const n=this._originalOperations.get(e),i=this._history.getUndoneOperation(n);if(!i)return null;const o=this._originalOperations.get(t),r=this._relations.get(o);return r&&r.get(i)||null}_setRelation(t,e,n){const i=this._originalOperations.get(t),o=this._originalOperations.get(e);let r=this._relations.get(i);r||(r=new Map,this._relations.set(i,r)),r.set(o,n)}}function Ad(t,e){for(const n of t)n.baseVersion=e++}function Cd(t,e){for(let n=0;n<e;n++)t.push(new bd(0))}function Td(t,e,n){const i=t.nodes.getNode(0).getAttribute(e);if(i==n)return null;const o=new qs(t.position,t.position.getShiftedBy(t.howMany));return new tc(o,e,i,n,0)}function Pd(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function Md(t,e){const n=[];for(let i=0;i<t.length;i++){const o=t[i],r=new nc(o.start,o.end.offset-o.start.offset,e.isEqual(o.end)?o.start:e,0);n.push(r);for(let e=i+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];e=e._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}kd(tc,tc,(t,e,n)=>{if(t.key===e.key){const i=t.range.getDifference(e.range).map(e=>new tc(e,t.key,t.oldValue,t.newValue,0)),o=t.range.getIntersection(e.range);return o&&n.aIsStrong&&i.push(new tc(o,e.key,e.newValue,t.newValue,0)),0==i.length?[new bd(0)]:i}return[t]}),kd(tc,ic,(t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const n=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map(e=>new tc(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const i=Td(e,t.key,t.oldValue);i&&n.unshift(i)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),kd(tc,ac,(t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(qs._createFromPositionAndShift(e.graveyardPosition,1));const i=t.range._getTransformedByMergeOperation(e);return i.isCollapsed||n.push(i),n.map(e=>new tc(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),kd(tc,nc,(t,e)=>{return function(t,e){const n=qs._createFromPositionAndShift(e.sourcePosition,e.howMany);let i=null,o=[];n.containsRange(t,!0)?i=t:t.start.hasSameParentAs(n.start)?(o=t.getDifference(n),i=t.getIntersection(n)):o=[t];const r=[];for(let t of o){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart(),i=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,i),r.push(...t)}i&&r.push(i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]);return r}(t.range,e).map(e=>new tc(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),kd(tc,cc,(t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const n=t.clone();return n.range=new qs(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,n]}return t.range=t.range._getTransformedBySplitOperation(e),[t]}),kd(ic,tc,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const i=Td(t,e.key,e.newValue);i&&n.push(i)}return n}),kd(ic,ic,(t,e,n)=>t.position.isEqual(e.position)&&n.aIsStrong?[t]:(t.position=t.position._getTransformedByInsertOperation(e),[t])),kd(ic,nc,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),kd(ic,cc,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),kd(ic,ac,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),kd(oc,ic,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),kd(oc,oc,(t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new bd(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),kd(oc,ac,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),kd(oc,nc,(t,e)=>(t.oldRange&&(t.oldRange=qs._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange&&(t.newRange=qs._createFromRanges(t.newRange._getTransformedByMoveOperation(e))),[t])),kd(oc,cc,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedBySplitOperation(e)),[t])),kd(ac,ic,(t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t])),kd(ac,ac,(t,e,n)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(n.bWasUndone){const n=e.graveyardPosition.path.slice();return n.push(0),t.sourcePosition=new Hs(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new bd(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const i="$graveyard"==t.targetPosition.root.rootName,o="$graveyard"==e.targetPosition.root.rootName;if(o&&!i||!(i&&!o)&&n.aIsStrong){const n=e.targetPosition._getTransformedByMergeOperation(e),i=t.targetPosition._getTransformedByMergeOperation(e);return[new nc(n,t.howMany,i,0)]}return[new bd(0)]}return t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),t.graveyardPosition.isEqual(e.graveyardPosition)&&n.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),kd(ac,nc,(t,e,n)=>{const i=qs._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!n.bWasUndone&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition)?[new bd(0)]:(t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition.hasSameParentAs(e.sourcePosition)&&(t.howMany-=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e),t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e),t.graveyardPosition.isEqual(e.targetPosition)||(t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)),[t])}),kd(ac,cc,(t,e,n)=>{if(e.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1),t.deletionPosition.isEqual(e.graveyardPosition)&&(t.howMany=e.howMany)),t.targetPosition.isEqual(e.splitPosition)){const i=0!=e.howMany,o=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(i||o||"mergeTargetNotMoved"==n.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.isEqual(e.splitPosition)&&("mergeSameElement"==n.abRelation||t.sourcePosition.offset>0)?(t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]):(t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t])}),kd(nc,ic,(t,e)=>{const n=qs._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=n.start,t.howMany=n.end.offset-n.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]}),kd(nc,nc,(t,e,n)=>{const i=qs._createFromPositionAndShift(t.sourcePosition,t.howMany),o=qs._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Pd(t,e)&&Pd(e,t))return[e.getReversed()];if(i.containsPosition(e.targetPosition)&&i.containsRange(o,!0))return i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Md([i],r);if(o.containsPosition(t.targetPosition)&&o.containsRange(i,!0))return i.start=i.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),i.end=i.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),Md([i],r);const c=U(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Md([i],r);"remove"!=t.type||"remove"==e.type||n.aWasUndone?"remove"==t.type||"remove"!=e.type||n.bWasUndone||(s=!1):s=!0;const l=[],d=i.getDifference(o);for(const t of d){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n="same"==U(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),i=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);l.push(...i)}const u=i.getIntersection(o);return null!==u&&s&&(u.start=u.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),u.end=u.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===l.length?l.push(u):1==l.length?o.start.isBefore(i.start)||o.start.isEqual(i.start)?l.unshift(u):l.push(u):l.splice(1,0,u)),0===l.length?[new bd(t.baseVersion)]:Md(l,r)}),kd(nc,cc,(t,e,n)=>{let i=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(i=t.targetPosition._getTransformedBySplitOperation(e));const o=qs._createFromPositionAndShift(t.sourcePosition,t.howMany);if(o.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=i,[t];if(o.start.hasSameParentAs(e.splitPosition)&&o.containsPosition(e.splitPosition)){let t=new qs(e.splitPosition,o.end);return t=t._getTransformedBySplitOperation(e),Md([new qs(o.start,e.splitPosition),t],i)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==n.abRelation&&(i=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==n.abRelation&&(i=t.targetPosition);const r=[o._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const n=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);t.howMany>1&&n&&r.push(qs._createFromPositionAndShift(e.insertionPosition,1))}return Md(r,i)}),kd(nc,ac,(t,e,n)=>{const i=qs._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition))if("remove"==t.type){if(!n.aWasUndone){const n=[];let i=e.graveyardPosition.clone(),o=e.targetPosition.clone();t.howMany>1&&(n.push(new nc(t.sourcePosition,t.howMany-1,t.targetPosition,0)),i=i._getTransformedByInsertion(t.targetPosition,t.howMany-1),o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),s=new nc(i,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new Hs(s.targetPosition.root,a),l=new nc(o,e.howMany,c,0);return n.push(s),n.push(l),n}}else if(1==t.howMany)return n.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new bd(0)];const o=qs._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=o.start,t.howMany=o.end.offset-o.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]}),kd(rc,ic,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),kd(rc,ac,(t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t])),kd(rc,nc,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),kd(rc,rc,(t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new bd(0)];t.oldName=e.newName}return[t]}),kd(rc,cc,(t,e)=>{if("same"==U(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){return[t,new rc(t.position.getShiftedBy(1),t.oldName,t.newName,0)]}return t.position=t.position._getTransformedBySplitOperation(e),[t]}),kd(sc,sc,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new bd(0)];t.oldValue=e.newValue}return[t]}),kd(cc,ic,(t,e)=>(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e),t.insertionPosition=cc.getInsertionPosition(t.splitPosition),[t])),kd(cc,ac,(t,e,n)=>{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const i=new Hs(e.graveyardPosition.root,n),o=cc.getInsertionPosition(new Hs(e.graveyardPosition.root,n)),r=new cc(i,0,null,0);return r.insertionPosition=o,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=cc.getInsertionPosition(t.splitPosition),t.graveyardPosition=r.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[r,t]}return t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)&&t.howMany--,t.splitPosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=cc.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),kd(cc,nc,(t,e,n)=>{const i=qs._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){if(i.start.isEqual(t.graveyardPosition)||i.containsPosition(t.graveyardPosition)){const n=t.splitPosition._getTransformedByMoveOperation(e),i=t.graveyardPosition._getTransformedByMoveOperation(e),o=i.path.slice();o.push(0);const r=new Hs(i.root,o);return[new nc(n,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=n,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=cc.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||"insertAtSource"!=n.baRelation&&"splitBefore"!=n.abRelation?(e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness="toNone",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness="toNext",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=cc.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=cc.getInsertionPosition(t.splitPosition),[t])}),kd(cc,cc,(t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new bd(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new bd(0)]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const i="$graveyard"==t.splitPosition.root.rootName,o="$graveyard"==e.splitPosition.root.rootName;if(o&&!i||!(i&&!o)&&n.aIsStrong){const n=[];return e.howMany&&n.push(new nc(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new nc(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new bd(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.baRelation){const n=e.insertionPosition.path.slice();n.push(0);const i=new Hs(e.insertionPosition.root,n);return[t,new nc(t.insertionPosition,1,i,0)]}return t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset&&(t.howMany-=e.howMany),t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e),t.insertionPosition=cc.getInsertionPosition(t.splitPosition),[t]});class Sd extends ql{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh()}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,n){const i=this.editor.model,o=i.document,r=[];for(const e of t){const t=Ed(e,n).find(t=>t.start.root!=o.graveyard);t&&r.push(t)}r.length&&i.change(t=>{t.setSelection(r,{backward:e})})}_undo(t,e){const n=this.editor.model,i=n.document;this._createdBatches.add(e);const o=t.operations.slice().filter(t=>t.isDocumentOperation);o.reverse();for(const t of o){const o=t.baseVersion+1,r=Array.from(i.history.getOperations(o)),s=yd([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1}).operationsA;for(const o of s)e.addOperation(o),n.applyOperation(o),i.history.setOperationAsUndone(t,o)}}}function Ed(t,e){const n=t.getTransformedByOperations(e);n.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let t=1;t<n.length;t++){const e=n[t-1],i=n[t];e.end.isTouching(i.start)&&(e.end=i.end,n.splice(t,1),t--)}return n}class Id extends Sd{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1,n=this._stack.splice(e,1)[0],i=this.editor.model.createBatch();this.editor.model.enqueueChange(i,()=>{this._undo(n.batch,i);const t=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t),this.fire("revert",n.batch,i)}),this.refresh()}}class Nd extends Sd{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch();this.editor.model.enqueueChange(e,()=>{const n=t.batch.operations[t.batch.operations.length-1].baseVersion+1,i=this.editor.model.document.history.getOperations(n);this._restoreSelection(t.selection.ranges,t.selection.isBackward,i),this._undo(t.batch,e)}),this.refresh()}}class Od extends zl{constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Id(t),this._redoCommand=new Nd(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",(t,e)=>{const n=e[0];if(!n.isDocumentOperation)return;const i=n.batch;this._batchRegistry.has(i)||"transparent"==i.type||(this._redoCommand._createdBatches.has(i)?this._undoCommand.addBatch(i):this._undoCommand._createdBatches.has(i)||(this._undoCommand.addBatch(i),this._redoCommand.clearStack()),this._batchRegistry.add(i))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(t,e,n)=>{this._redoCommand.addBatch(n)}),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}n(71);class Rd extends xl{constructor(){super();const t=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:t.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",()=>{this._updateXMLContent(),this._colorFillPaths()}),this.on("change:fillColor",()=>{this._colorFillPaths()})}_updateXMLContent(){if(this.content){const t=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),e=t.getAttribute("viewBox");for(e&&(this.viewBox=e),this.element.innerHTML="";t.childNodes.length>0;)this.element.appendChild(t.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(t=>{t.style.fill=this.fillColor})}}n(73);class Dd extends xl{constructor(t){super(t),this.set("text",""),this.set("position","s");const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",e.to("position",t=>"ck-tooltip_"+t),e.if("text","ck-hidden",t=>!t.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:e.to("text")}]}]})}}n(75);class Ld extends xl{constructor(t){super(t);const e=this.bindTemplate,n=E();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new Rd,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",e.to("class"),e.if("isEnabled","ck-disabled",t=>!t),e.if("isVisible","ck-hidden",t=>!t),e.to("isOn",t=>t?"ck-on":"ck-off"),e.if("withText","ck-button_with-text")],type:e.to("type",t=>t||"button"),tabindex:e.to("tabindex"),"aria-labelledby":`ck-editor__aria-label_${n}`,"aria-disabled":e.if("isEnabled",!0,t=>!t),"aria-pressed":e.if("isOn",!0)},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{this.isEnabled?this.fire("execute"):t.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView)}focus(){this.element.focus()}_createTooltipView(){const t=new Dd;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new xl,n=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to("label")}]}),e}_getTooltipString(t,e,n){return t?"string"==typeof t?t:(n&&(n=function(t){return co.isMac?po(t).map(t=>uo[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in lo?t+e:t+"+"+e):t}(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:""}`):""}}var jd=n(23),Vd=n.n(jd),zd=n(24),Bd=n.n(zd);class Fd extends zl{init(){const t=this.editor.t;this._addButton("undo",t("cg"),"CTRL+Z",Vd.a),this._addButton("redo",t("ch"),"CTRL+Y",Bd.a)}_addButton(t,e,n,i){const o=this.editor;o.ui.componentFactory.add(t,r=>{const s=o.commands.get(t),a=new Ld(r);return a.set({label:e,icon:i,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>o.execute(t)),a})}}class Ud extends zl{static get requires(){return[Od,Fd]}static get pluginName(){return"Undo"}}class Hd extends zl{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new Xi({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new P.b("pendingactions-add-invalid-message: The message must be a string.");const e=Object.create(Li);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class qd{constructor(){const t=new window.FileReader;this._reader=t,this.set("loaded",0),t.onprogress=(t=>{this.loaded=t.loaded})}get error(){return this._reader.error}read(t){const e=this._reader;return this.total=t.size,new Promise((n,i)=>{e.onload=(()=>{n(e.result)}),e.onerror=(()=>{i("error")}),e.onabort=(()=>{i("aborted")}),this._reader.readAsDataURL(t)})}abort(){this._reader.abort()}}F(qd,Li);class Wd extends zl{static get pluginName(){return"FileRepository"}static get requires(){return[Hd]}init(){this.loaders=new Xi,this.loaders.on("add",()=>this._updatePendingAction()),this.loaders.on("remove",()=>this._updatePendingAction()),this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0)}getLoader(t){for(const e of this.loaders)if(e.file==t)return e;return null}createLoader(t){if(!this.createUploadAdapter)return fs.a.error("filerepository-no-upload-adapter: Upload adapter is not defined."),null;const e=new Yd(t);return e._adapter=this.createUploadAdapter(e),this.loaders.add(e),e.on("change:uploaded",()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t}),e.on("change:uploadTotal",()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t}),e}destroyLoader(t){const e=t instanceof Yd?t:this.getLoader(t);e._destroy(),this.loaders.remove(e)}_updatePendingAction(){const t=this.editor.plugins.get(Hd);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e("ah")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else t.remove(this._pendingAction),this._pendingAction=null}}F(Wd,Li);class Yd{constructor(t,e){this.id=E(),this.file=t,this._adapter=e,this._reader=new qd,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0),this.set("uploadResponse",null)}read(){if("idle"!=this.status)throw new P.b("filerepository-read-wrong-status: You cannot call read if the status is different than idle.");return this.status="reading",this._reader.read(this.file).then(t=>(this.status="idle",t)).catch(t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error})}upload(){if("idle"!=this.status)throw new P.b("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.");return this.status="uploading",this._adapter.upload().then(t=>(this.uploadResponse=t,this.status="idle",t)).catch(t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t})}abort(){const t=this.status;this.status="aborted","reading"==t&&this._reader.abort(),"uploading"==t&&this._adapter.abort&&this._adapter.abort(),this._destroy()}_destroy(){this._reader=void 0,this._adapter=void 0,this.data=void 0,this.uploadResponse=void 0,this.file=void 0}}F(Yd,Li);const $d="ckCsrfToken",Gd=40,Qd="abcdefghijklmnopqrstuvwxyz0123456789";function Kd(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("="),i=decodeURIComponent(e[0].trim().toLowerCase());if(i===t)return decodeURIComponent(e[1])}return null}($d);return t&&t.length==Gd||(t=function(t){let e="";const n=new Uint8Array(t);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const i=Qd.charAt(n[t]%Qd.length);e+=Math.random()>.5?i.toUpperCase():i}return e}(Gd),function(t,e){document.cookie=encodeURIComponent(t)+"="+encodeURIComponent(e)+";path=/"}($d,t)),t}class Jd extends zl{static get requires(){return[Wd]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(Wd).createUploadAdapter=(e=>new Zd(e,t,this.editor.t)))}}class Zd{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return new Promise((t,e)=>{this._initRequest(),this._initListeners(t,e),this._sendRequest()})}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e){const n=this.xhr,i=this.loader,o=(0,this.t)("a")+` ${i.file.name}.`;n.addEventListener("error",()=>e(o)),n.addEventListener("abort",()=>e()),n.addEventListener("load",()=>{const i=n.response;if(!i||!i.uploaded)return e(i&&i.error&&i.error.message?i.error.message:o);t({default:i.url})}),n.upload&&n.upload.addEventListener("progress",t=>{t.lengthComputable&&(i.uploadTotal=t.total,i.uploaded=t.loaded)})}_sendRequest(){const t=new FormData;t.append("upload",this.loader.file),t.append("ckCsrfToken",Kd()),this.xhr.send(t)}}class Xd{constructor(t,e,n){let i;if("function"==typeof n)i=n;else{const e=n;i=(()=>{t.execute(e)})}t.model.document.on("change",(n,o)=>{if("transparent"==o.type)return;const r=Array.from(t.model.document.differ.getChanges()),s=r[0];if(1!=r.length||"insert"!==s.type||"$text"!=s.name||1!=s.length)return;const a=s.position.textNode||s.position.nodeAfter;if(!a.parent.is("paragraph"))return;const c=e.exec(a.data);c&&t.model.enqueueChange(t=>{const e=t.createPositionAt(a.parent,0),n=t.createPositionAt(a.parent,c[0].length),o=t.createRange(e,n);t.remove(o),i({match:c})})})}}class tu{constructor(t,e,n){let i,o,r,s;e instanceof RegExp?i=e:r=e,"string"==typeof n?o=n:s=n,r=r||(t=>{let e;const n=[],o=[];for(;null!==(e=i.exec(t))&&!(e&&e.length<4);){let{index:t,1:i,2:r,3:s}=e;const a=i+r+s,c=[t+=e[0].length-a.length,t+i.length],l=[t+i.length+r.length,t+i.length+r.length+s.length];n.push(c),n.push(l),o.push([t+i.length,t+i.length+r.length])}return{remove:n,format:o}}),s=s||((t,e)=>{for(const n of e)t.setAttribute(o,!0,n);t.removeSelectionAttribute(o)}),t.model.document.on("change",(e,n)=>{if("transparent"==n.type)return;const i=t.model.document.selection;if(!i.isCollapsed)return;const a=Array.from(t.model.document.differ.getChanges()),c=a[0];if(1!=a.length||"insert"!==c.type||"$text"!=c.name||1!=c.length)return;const l=i.focus.parent,d=function(t){return Array.from(t.getChildren()).reduce((t,e)=>t+e.data,"")}(l).slice(0,i.focus.offset),u=r(d),h=eu(l,u.format,t.model),f=eu(l,u.remove,t.model);h.length&&f.length&&t.model.enqueueChange(e=>{const n=t.model.schema.getValidRanges(h,o);s(e,n);for(const t of f.reverse())e.remove(t)})})}}function eu(t,e,n){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>n.createRange(n.createPositionAt(t,e[0]),n.createPositionAt(t,e[1])))}class nu extends ql{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,i=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(n.isCollapsed)i?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const o=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of o)i?t.setAttribute(this.attributeKey,i,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}const iu="bold";class ou extends zl{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:iu}),t.conversion.attributeToElement({model:iu,view:"strong",upcastAlso:["b",{styles:{"font-weight":"bold"}}]}),t.commands.add(iu,new nu(t,iu)),t.keystrokes.set("CTRL+B",iu)}}var ru=n(25),su=n.n(ru);const au="bold";class cu extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(au,n=>{const i=t.commands.get(au),o=new Ld(n);return o.set({label:e("b"),icon:su.a,keystroke:"CTRL+B",tooltip:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(au)),o})}}const lu="italic";class du extends zl{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:lu}),t.conversion.attributeToElement({model:lu,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add(lu,new nu(t,lu)),t.keystrokes.set("CTRL+I",lu)}}var uu=n(26),hu=n.n(uu);const fu="italic";class mu extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(fu,n=>{const i=t.commands.get(fu),o=new Ld(n);return o.set({label:e("c"),icon:hu.a,keystroke:"CTRL+I",tooltip:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(fu)),o})}}function pu(t){const e=t.next();return e.done?null:e.value}class gu extends ql{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,n=t.schema,i=Array.from(e.selection.getSelectedBlocks());t.change(t=>{if(this.value)this._removeQuote(t,i.filter(bu));else{const e=i.filter(t=>bu(t)||ku(n,t));this._applyQuote(t,e)}})}_getValue(){const t=pu(this.editor.model.document.selection.getSelectedBlocks());return!(!t||!bu(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=pu(t.getSelectedBlocks());return!!n&&ku(e,n)}_removeQuote(t,e){wu(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);return void t.move(e,n)}e.end.isAtEnd||t.split(e.end);const n=t.createPositionAfter(e.end.parent);t.move(e,n)})}_applyQuote(t,e){const n=[];wu(t,e).reverse().forEach(e=>{let i=bu(e.start);i||(i=t.createElement("blockQuote"),t.wrap(e,i)),n.push(i)}),n.reverse().reduce((e,n)=>e.nextSibling==n?(t.merge(t.createPositionAfter(e)),e):n)}}function bu(t){return"blockQuote"==t.parent.name?t.parent:null}function wu(t,e){let n,i=0;const o=[];for(;i<e.length;){const r=e[i],s=e[i+1];n||(n=t.createPositionBefore(r)),s&&r.nextSibling==s||(o.push(t.createRange(n,t.createPositionAfter(r))),n=null),i++}return o}function ku(t,e){const n=t.checkChild(e.parent,"blockQuote"),i=t.checkChild(["$root","blockQuote"],e);return n&&i}class _u extends zl{init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new gu(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),e.addChildCheck((t,e)=>{if(t.endsWith("blockQuote")&&"blockQuote"==e.name)return!1}),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer(n=>{const i=t.model.document.differ.getChanges();for(const t of i)if("insert"==t.type){const i=t.position.nodeAfter;if(!i)continue;if(i.is("blockQuote")&&i.isEmpty)return n.remove(i),!0;if(i.is("blockQuote")&&!e.checkChild(t.position,i))return n.unwrap(i),!0;if(i.is("element")){const t=n.createRangeIn(i);for(const i of t.getItems())if(i.is("blockQuote")&&!e.checkChild(n.createPositionBefore(i),i))return n.unwrap(i),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("blockQuote")&&e.isEmpty)return n.remove(e),!0}return!1})}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(e,n)=>{const i=this.editor.model.document,o=i.selection.getLastPosition().parent;i.selection.isCollapsed&&o.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())})}}var vu=n(27),yu=n.n(vu);n(77);class xu extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",n=>{const i=t.commands.get("blockQuote"),o=new Ld(n);return o.set({label:e("i"),icon:yu.a,tooltip:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute("blockQuote")),o})}}var Au=n(28),Cu=n.n(Au);class Tu extends zl{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor,e=t.ui.componentFactory,n=t.t;e.add("ckfinder",e=>{const i=t.commands.get("ckfinder"),o=new Ld(e);return o.set({label:n("j"),icon:Cu.a,tooltip:!0}),o.bind("isEnabled").to(i),o.on("execute",()=>{t.execute("ckfinder"),t.editing.view.focus()}),o})}}class Pu extends zl{static get pluginName(){return"Notification"}init(){this.on("show:warning",(t,e)=>{window.alert(e.message)},{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e=`show:${t.type}`+(t.namespace?`:${t.namespace}`:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class Mu extends ql{constructor(t){super(t),this.stopListening(this.editor.model.document,"change"),this.listenTo(this.editor.model.document,"change",()=>this.refresh(),{priority:"low"})}refresh(){const t=this.editor.commands.get("imageUpload"),e=this.editor.commands.get("link");this.isEnabled=t&&e&&(t.isEnabled||e.isEnabled)}execute(){const t=this.editor,e=this.editor.config.get("ckfinder.openerMethod")||"modal";if("popup"!=e&&"modal"!=e)throw new P.b('ckfinder-unknown-openerMethod: The openerMethod config option must by "popup" or "modal".');const n=Object.assign({},this.editor.config.get("ckfinder.options"));n.chooseFiles=!0;const i=n.onInit;n.language||(n.language=t.locale.language),n.onInit=(e=>{i&&i(),e.on("files:choose",n=>{const i=n.data.files.toArray(),o=i.filter(t=>!t.isImage()),r=i.filter(t=>t.isImage());for(const e of o)t.execute("link",e.getUrl());const s=[];for(const t of r){const n=t.getUrl();s.push(n||e.request("file:getProxyUrl",{file:t}))}s.length&&Su(t,s)}),e.on("file:choose:resizedImage",e=>{const n=e.data.resizedUrl;if(n)Su(t,[n]);else{const e=t.plugins.get(Pu),n=t.locale.t;e.showWarning(n("bi"),{title:n("bj"),namespace:"ckfinder"})}})}),window.CKFinder[e](n)}}function Su(t,e){if(t.commands.get("imageUpload").isEnabled)t.execute("imageInsert",{source:e});else{const e=t.plugins.get(Pu),n=t.locale.t;e.showWarning(n("bk"),{title:n("bl"),namespace:"ckfinder"})}}class Eu extends zl{static get pluginName(){return"CKFinderEditing"}static get requires(){return[Pu]}init(){const t=this.editor;t.commands.add("ckfinder",new Mu(t))}}const Iu=/^data:(\S*?);base64,/;class Nu{constructor(t,e,n){if(!t)throw new Error("File must be provided");if(!e)throw new Error("Token must be provided");if(!n)throw new Error("Api address must be provided");this.file=function(t){if("string"!=typeof t)return!1;const e=t.match(Iu);return!(!e||!e.length)}(t)?function(t,e=512){try{const n=t.match(Iu)[1],i=atob(t.replace(Iu,"")),o=[];for(let t=0;t<i.length;t+=e){const n=i.slice(t,t+e),r=new Array(n.length);for(let t=0;t<n.length;t++)r[t]=n.charCodeAt(t);o.push(new Uint8Array(r))}return new Blob(o,{type:n})}catch(t){throw new Error("Problem with decoding Base64 image data.")}}(t):t,this._token=e,this._apiAddress=n}onProgress(t){return this.on("progress",(e,n)=>t(n)),this}onError(t){return this.once("error",(e,n)=>t(n)),this}abort(){this.xhr.abort()}send(){return this._prepareRequest(),this._attachXHRListeners(),this._sendRequest()}_prepareRequest(){const t=new XMLHttpRequest;t.open("POST",this._apiAddress),t.setRequestHeader("Authorization",this._token.value),t.responseType="json",this.xhr=t}_attachXHRListeners(){const t=this,e=this.xhr;function n(e){return()=>t.fire("error",e)}e.addEventListener("error",n("Network Error")),e.addEventListener("abort",n("Abort")),e.upload&&e.upload.addEventListener("progress",t=>{t.lengthComputable&&this.fire("progress",{total:t.total,uploaded:t.loaded})}),e.addEventListener("load",()=>{const t=e.status,n=e.response;if(t<200||t>299)return this.fire("error",n.message||n.error)})}_sendRequest(){const t=new FormData,e=this.xhr;return t.append("file",this.file),new Promise((n,i)=>{e.addEventListener("load",()=>{const t=e.status,o=e.response;return t<200||t>299?o.message?i(new Error(o.message)):i(o.error):n(o)}),e.addEventListener("error",()=>i(new Error("Network Error"))),e.addEventListener("abort",()=>i(new Error("Abort"))),e.send(t)})}}F(Nu,R);var Ou=Nu;const Ru={refreshInterval:36e5,autoRefresh:!0};class Du{constructor(t,e=Ru){if(!t)throw new Error("A `tokenUrl` must be provided as the first constructor argument.");this.set("value",e.initValue),this._refresh="function"==typeof t?t:()=>(function(t){return new Promise((e,n)=>{const i=new XMLHttpRequest;i.open("GET",t),i.addEventListener("load",()=>{const t=i.status,o=i.response;return t<200||t>299?n(new Error("Cannot download new token!")):e(o)}),i.addEventListener("error",()=>n(new Error("Network Error"))),i.addEventListener("abort",()=>n(new Error("Abort"))),i.send()})})(t),this._options=Object.assign({},Ru,e)}init(){return new Promise((t,e)=>{this._options.autoRefresh&&this._startRefreshing(),this.value?t(this):this._refreshToken().then(t).catch(e)})}_refreshToken(){return this._refresh().then(t=>this.set("value",t)).then(()=>this)}destroy(){this._stopRefreshing()}_startRefreshing(){this._refreshInterval=setInterval(()=>this._refreshToken(),this._options.refreshInterval)}_stopRefreshing(){clearInterval(this._refreshInterval)}static create(t,e=Ru){return new Du(t,e).init()}}F(Du,Li);var Lu=Du;class ju extends zl{static get pluginName(){return"CloudServices"}init(){const t=this.editor.config.get("cloudServices")||{};for(const e in t)this[e]=t[e];if(this.tokenUrl)return this.token=new ju.Token(this.tokenUrl),this.token.init();this.token=null}}ju.Token=Lu;class Vu extends zl{static get requires(){return[Wd,ju]}init(){const t=this.editor,e=t.plugins.get(ju),n=e.token,i=e.uploadUrl;n&&(this._uploadGateway=new Vu._UploadGateway(n,i),t.plugins.get(Wd).createUploadAdapter=(t=>new zu(this._uploadGateway,t)))}}class zu{constructor(t,e){this.uploadGateway=t,this.loader=e}upload(){return this.fileUploader=this.uploadGateway.upload(this.loader.file),this.fileUploader.on("progress",(t,e)=>{this.loader.uploadTotal=e.total,this.loader.uploaded=e.uploaded}),this.fileUploader.send()}abort(){this.fileUploader.abort()}}Vu._UploadGateway=class{constructor(t,e){if(!t)throw new Error("Token must be provided");if(!e)throw new Error("Api address must be provided");this._token=t,this._apiAddress=e}upload(t){return new Ou(t,this._token,this._apiAddress)}};class Bu extends cr{constructor(t){super(t),this._observedElements=new Set}observe(t,e){this.document.getRoot(e).on("change:children",(e,n)=>{this.view.once("render",()=>this._updateObservedElements(t,n))})}_updateObservedElements(t,e){if(!e.is("element")||e.is("attributeElement"))return;const n=this.view.domConverter.mapViewToDom(e);if(n){for(const t of n.querySelectorAll("img"))this._observedElements.has(t)||(this.listenTo(t,"load",(t,e)=>this._fireEvents(e)),this._observedElements.add(t));for(const e of this._observedElements)t.contains(e)||(this.stopListening(e),this._observedElements.delete(e))}}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}destroy(){this._observedElements.clear(),super.destroy()}}function Fu(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const i=n.writer,o=n.mapper.toViewElement(e.item).getChild(0);null!==e.attributeNewValue?i.setAttribute(e.attributeKey,e.attributeNewValue,o):i.removeAttribute(e.attributeKey,o)}}class Uu{constructor(){this._stack=[]}add(t,e){const n=this._stack,i=n[0];this._insertDescriptor(t);const o=n[0];i===o||Hu(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}remove(t,e){const n=this._stack,i=n[0];this._removeDescriptor(t);const o=n[0];i===o||Hu(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}_insertDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t.id);if(Hu(t,e[n]))return;n>-1&&e.splice(n,1);let i=0;for(;e[i]&&qu(e[i],t);)i++;e.splice(i,0,t)}_removeDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t);n>-1&&e.splice(n,1)}}function Hu(t,e){return t&&e&&t.priority==e.priority&&Wu(t.classes)==Wu(e.classes)}function qu(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&Wu(t.classes)>Wu(e.classes)}function Wu(t){return Array.isArray(t)?t.sort().join(","):t}F(Uu,R);var Yu=n(29),$u=n.n(Yu);const Gu=Symbol("isWidget"),Qu=Symbol("label"),Ku="ck-widget",Ju="ck-widget_selected";function Zu(t){return!!t.is("element")&&!!t.getCustomProperty(Gu)}function Xu(t,e,n={}){return co.isEdge||e.setAttribute("contenteditable","false",t),e.addClass(Ku,t),e.setCustomProperty(Gu,!0,t),t.getFillerOffset=ih,n.label&&function(t,e,n){n.setCustomProperty(Qu,e,t)}(t,n.label,e),n.hasSelectionHandler&&function(t,e){const n=e.createUIElement("div",{class:"ck ck-widget__selection-handler"},function(t){const e=this.toDomElement(t),n=new Rd;return n.set("content",$u.a),n.render(),e.appendChild(n.element),e});e.insert(e.createPositionAt(t,0),n),e.addClass(["ck-widget_selectable"],t)}(t,e),function(t,e,n,i){const o=new Uu;o.on("change:top",(e,o)=>{o.oldDescriptor&&i(t,o.oldDescriptor,o.writer),o.newDescriptor&&n(t,o.newDescriptor,o.writer)}),e.setCustomProperty("addHighlight",(t,e,n)=>o.add(e,n),t),e.setCustomProperty("removeHighlight",(t,e,n)=>o.remove(e,n),t)}(t,e,(t,e,n)=>n.addClass(i(e.classes),t),(t,e,n)=>n.removeClass(i(e.classes),t)),t;function i(t){return Array.isArray(t)?t:[t]}}function th(t){const e=t.getCustomProperty(Qu);return e?"function"==typeof e?e():e:""}function eh(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),co.isEdge||(e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",(n,i,o)=>{e.setAttribute("contenteditable",o?"false":"true",t)})),t.on("change:isFocused",(n,i,o)=>{o?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)}),t}function nh(t,e){const n=t.getSelectedElement();if(n)return e.createPositionAfter(n);const i=t.getSelectedBlocks().next().value;if(i){if(i.isEmpty)return e.createPositionAt(i,0);const n=e.createPositionAfter(i);return t.focus.isTouching(n)?n:e.createPositionBefore(i)}return t.focus}function ih(){return null}const oh=Symbol("isImage");function rh(t){const e=t.getSelectedElement();return!(!e||!function(t){return!!t.getCustomProperty(oh)&&Zu(t)}(e))}function sh(t){return!!t&&t.is("image")}function ah(t,e,n={}){const i=t.createElement("image",n),o=nh(e.document.selection,e);e.insertContent(i,o),i.parent&&t.setSelection(i,"on")}function ch(t){const e=t.schema,n=t.document.selection;return function(t,e,n){const i=function(t,e){let n=nh(t,e).parent;n.is("$root")||(n=n.parent);return n}(t,n);return e.checkChild(i,"image")}(n,e,t)&&function(t,e){const n=t.getSelectedElement(),i=!!n&&e.isObject(n),o=!![...t.focus.getAncestors()].find(t=>e.isObject(t));return!i&&!o}(n,e)}class lh extends ql{refresh(){this.isEnabled=ch(this.editor.model)}execute(t){const e=this.editor.model;e.change(n=>{const i=Array.isArray(t.source)?t.source:[t.source];for(const t of i)ah(n,e,{src:t})})}}class dh extends zl{init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion;t.editing.view.addObserver(Bu),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),i.for("dataDowncast").add(aa({model:"image",view:(t,e)=>uh(e)})),i.for("editingDowncast").add(aa({model:"image",view:(t,e)=>(function(t,e,n){return e.setCustomProperty(oh,!0,t),Xu(t,e,{label:function(){const e=t.getChild(0).getAttribute("alt");return e?`${e} ${n}`:n}})})(uh(e),e,n("k"))})),i.for("downcast").add(Fu("src")).add(Fu("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const i=n.writer,o=n.mapper.toViewElement(e.item).getChild(0);if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(i.removeAttribute("srcset",o),i.removeAttribute("sizes",o),t.width&&i.removeAttribute("width",o))}else{const t=e.attributeNewValue;t.data&&(i.setAttribute("srcset",t.data,o),i.setAttribute("sizes","100vw",o),t.width&&i.setAttribute("width",t.width,o))}}}()),i.for("upcast").add(Oa({view:{name:"img",attributes:{src:!0}},model:(t,e)=>e.createElement("image",{src:t.getAttribute("src")})})).add(Da({view:{name:"img",key:"alt"},model:"alt"})).add(Da({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}})).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const i=Array.from(e.viewItem.getChildren()).find(t=>t.is("img"));if(!i||!i.hasAttribute("src")||!n.consumable.test(i,{name:!0}))return;const o=n.convertItem(i,e.modelCursor),r=pu(o.modelRange.getItems());r&&(n.convertChildren(e.viewItem,n.writer.createPositionAt(r,0)),e.modelRange=o.modelRange,e.modelCursor=o.modelCursor)}}()),t.commands.add("imageInsert",new lh(t))}}function uh(t){const e=t.createEmptyElement("img"),n=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(n,0),e),n}class hh extends Kr{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}n(79);const fh=mo("Ctrl+A");class mh extends zl{static get pluginName(){return"Widget"}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const i=n.writer,o=i.document.selection,r=o.getSelectedElement();let s=null;for(const t of o.getRanges())for(const e of t){const t=e.item;Zu(t)&&!ph(t,s)&&(i.addClass(Ju,t),this._previouslySelected.add(t),s=t,t==r&&i.setSelection(o.getRanges(),{fake:!0,label:th(r)}))}},{priority:"low"}),t.addObserver(hh),this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t)),this.listenTo(e,"keydown",(...t)=>this._onKeydown(...t),{priority:"high"}),this.listenTo(e,"delete",(t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())},{priority:"high"})}_onMousedown(t,e){const n=this.editor,i=n.editing.view,o=i.document;let r=e.target;if(function(t){for(;t;){if(t&&t.is("editableElement")&&!t.is("rootElement"))return!0;t=t.parent}return!1}(r))return;if(!Zu(r)&&!(r=r.findAncestor(Zu)))return;e.preventDefault(),o.isFocused||i.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const n=e.keyCode,i=n==ho.delete||n==ho.arrowdown||n==ho.arrowright;let o=!1;!function(t){return t==ho.arrowright||t==ho.arrowleft||t==ho.arrowup||t==ho.arrowdown}(n)?!function(t){return fo(t)==fh}(e)?n===ho.enter&&(o=this._handleEnterKey(e.shiftKey)):o=this._selectAllNestedEditableContent()||this._selectAllContent():o=this._handleArrowKeys(i),o&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const n=this._getObjectElementNextToSelection(t);return n?(this.editor.model.change(t=>{let i=e.anchor.parent;for(;i.isEmpty;){const e=i;i=e.parent,t.remove(e)}this._setSelectionOverElement(n)}),!0):void 0}_handleArrowKeys(t){const e=this.editor.model,n=e.schema,i=e.document.selection,o=i.getSelectedElement();if(o&&n.isObject(o)){const o=t?i.getLastPosition():i.getFirstPosition(),r=n.getNearestSelectionRange(o,t?"forward":"backward");return r&&e.change(t=>{t.setSelection(r)}),!0}if(!i.isCollapsed)return;const r=this._getObjectElementNextToSelection(t);return r&&n.isObject(r)?(this._setSelectionOverElement(r),!0):void 0}_handleEnterKey(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();if(n&&e.schema.isObject(n))return e.change(e=>{const i=e.createElement("paragraph");e.insert(i,n,t?"before":"after"),e.setSelection(i,"in")}),!0}_selectAllNestedEditableContent(){const t=this.editor.model,e=t.document.selection,n=t.schema.getLimitElement(e);return e.getFirstRange().root!=n&&(t.change(t=>{t.setSelection(t.createRangeIn(n))}),!0)}_selectAllContent(){const t=this.editor.model,e=this.editor.editing,n=e.view.document.selection.getSelectedElement();if(n&&Zu(n)){const i=e.mapper.toModelElement(n.parent);return t.change(t=>{t.setSelection(t.createRangeIn(i))}),!0}return!1}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model,n=e.schema,i=e.document.selection,o=e.createSelection(i);e.modifySelection(o,{direction:t?"forward":"backward"});const r=t?o.focus.nodeBefore:o.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass(Ju,e);this._previouslySelected.clear()}}function ph(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class gh extends ql{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=sh(t),sh(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,n)})}}class bh extends zl{init(){this.editor.commands.add("imageTextAlternative",new gh(this.editor))}}function wh({emitter:t,activator:e,callback:n,contextElements:i}){t.listenTo(document,"mousedown",(t,{target:o})=>{if(e()){for(const t of i)if(t.contains(o))return;n()}})}n(81);class kh extends xl{constructor(t,e){super(t);const n=`ck-input-${E()}`,i=`ck-status-${E()}`;this.set("label"),this.set("value"),this.set("isReadOnly",!1),this.set("errorText",null),this.set("infoText",null),this.labelView=this._createLabelView(n),this.inputView=this._createInputView(e,n,i),this.statusView=this._createStatusView(i),this.bind("_statusText").to(this,"errorText",this,"infoText",(t,e)=>t||e);const o=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input",o.if("isReadOnly","ck-disabled")]},children:[this.labelView,this.inputView,this.statusView]})}_createLabelView(t){const e=new Cl(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createInputView(t,e,n){const i=new t(this.locale,n);return i.id=e,i.ariaDesribedById=n,i.bind("value").to(this),i.bind("isReadOnly").to(this),i.bind("hasError").to(this,"errorText",t=>!!t),i.on("input",()=>{this.errorText=null}),i}_createStatusView(t){const e=new xl(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input__status",n.if("errorText","ck-labeled-input__status_error"),n.if("_statusText","ck-hidden",t=>!t)],id:t},children:[{text:n.to("_statusText")}]}),e}select(){this.inputView.select()}focus(){this.inputView.focus()}}n(83);class _h extends xl{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDesribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDesribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=t||0===t?t:""};t(this.value),this.on("change:value",(e,n,i)=>{t(i)})}select(){this.element.select()}focus(){this.element.focus()}}function vh({view:t}){t.listenTo(t.element,"submit",(e,n)=>{n.preventDefault(),t.fire("submit")},{useCapture:!0})}var yh=n(7),xh=n.n(yh),Ah=n(8),Ch=n.n(Ah);n(85);class Th extends xl{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Jc,this.keystrokes=new Uc,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("bu"),xh.a,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("bv"),Ch.a,"ck-button-cancel","cancel"),this._focusables=new tl,this._focusCycler=new Nl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),vh({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)})}_createButton(t,e,n,i){const o=new Ld(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createLabeledInputView(){const t=this.locale.t,e=new kh(this.locale,_h);return e.label=t("cf"),e.inputView.placeholder=t("cf"),e}}function Ph({element:t,target:e,positions:n,limiter:i,fitInViewport:o}){ct(e)&&(e=e()),ct(i)&&(i=i());const r=function(t){for(;t&&"html"!=t.tagName.toLowerCase();){if("static"!=Jo.window.getComputedStyle(t).position)return t;t=t.parentElement}return null}(t.parentElement),s=new _s(t),a=new _s(e);let c,l;if(i||o){const t=i&&new _s(i).getVisible(),e=o&&new _s(Jo.window);[l,c]=function(t,e,n,i,o){let r,s,a=0,c=0;const l=n.getArea();return t.some(t=>{const[d,u]=Mh(t,e,n);let h,f;if(i)if(o){const t=i.getIntersection(o);h=t?t.getIntersectionArea(u):0}else h=i.getIntersectionArea(u);function m(){c=f,a=h,r=u,s=d}return o&&(f=o.getIntersectionArea(u)),o&&!i?f>c&&m():!o&&i?h>a&&m():f>c&&h>=a?m():f>=c&&h>a&&m(),h===l}),r?[s,r]:null}(n,a,s,t,e)||Mh(n[0],a,s)}else[l,c]=Mh(n[0],a,s);let{left:d,top:u}=Sh(c);if(r){const t=Sh(new _s(r)),e=ws(r);d-=t.left,u-=t.top,d+=r.scrollLeft,u+=r.scrollTop,d-=e.left,u-=e.top}return{left:d,top:u,name:l}}function Mh(t,e,n){const{left:i,top:o,name:r}=t(e,n);return[r,n.clone().moveTo(i,o)]}function Sh({left:t,top:e}){const{scrollX:n,scrollY:i}=Jo.window;return{left:t+n,top:e+i}}n(87);const Eh=Sl("px"),Ih=Jo.document.body;class Nh extends xl{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("className"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",t=>`ck-balloon-panel_${t}`),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("className")],style:{top:e.to("top",Eh),left:e.to("left",Eh)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=Nh.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthWest,e.northArrowSouthEast],limiter:Ih,fitInViewport:!0},t),{top:i,left:o,name:r}=Nh._getOptimalPosition(n);Object.assign(this,{top:i,left:o,position:r})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=(()=>{this.isVisible?this._startPinning(t):this._stopPinning()}),this._startPinning(t),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(t){this.attachTo(t);const e=Oh(t.target),n=t.limiter?Oh(t.limiter):Ih;this.listenTo(Jo.document,"scroll",(i,o)=>{const r=o.target,s=e&&r.contains(e),a=n&&r.contains(n);!s&&!a&&e&&n||this.attachTo(t)},{useCapture:!0}),this.listenTo(Jo.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(Jo.document,"scroll"),this.stopListening(Jo.window,"resize")}}function Oh(t){return tr(t)?t:bs(t)?t.commonAncestorContainer:"function"==typeof t?Oh(t()):null}function Rh(t,e){return t.top-e.height-Nh.arrowVerticalOffset}function Dh(t){return t.bottom+Nh.arrowVerticalOffset}Nh.arrowHorizontalOffset=25,Nh.arrowVerticalOffset=10,Nh._getOptimalPosition=Ph,Nh.defaultPositions={northArrowSouth:(t,e)=>({top:Rh(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthEast:(t,e)=>({top:Rh(t,e),left:t.left+t.width/2-e.width+Nh.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:Rh(t,e),left:t.left+t.width/2-Nh.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouth:(t,e)=>({top:Rh(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthWest:(t,e)=>({top:Rh(t,e),left:t.left-Nh.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthEast:(t,e)=>({top:Rh(t,e),left:t.left-e.width+Nh.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouth:(t,e)=>({top:Rh(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthEast:(t,e)=>({top:Rh(t,e),left:t.right-e.width+Nh.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:Rh(t,e),left:t.right-Nh.arrowHorizontalOffset,name:"arrow_sw"}),southArrowNorth:(t,e)=>({top:Dh(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthEast:(t,e)=>({top:Dh(t),left:t.left+t.width/2-e.width+Nh.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:Dh(t),left:t.left+t.width/2-Nh.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorth:(t,e)=>({top:Dh(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthWest:(t,e)=>({top:Dh(t),left:t.left-Nh.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthEast:(t,e)=>({top:Dh(t),left:t.left-e.width+Nh.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorth:(t,e)=>({top:Dh(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthEast:(t,e)=>({top:Dh(t),left:t.right-e.width+Nh.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:Dh(t),left:t.right-Nh.arrowHorizontalOffset,name:"arrow_nw"})};class Lh extends zl{static get pluginName(){return"ContextualBalloon"}init(){this.view=new Nh,this.positionLimiter=(()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null}),this._stack=new Map,this.editor.ui.view.body.add(this.view),this.editor.ui.focusTracker.add(this.view.element)}get visibleView(){const t=this._stack.get(this.view.content.get(0));return t?t.view:null}hasView(t){return this._stack.has(t)}add(t){if(this.hasView(t.view))throw new P.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.");this.visibleView&&this.view.content.remove(this.visibleView),this._stack.set(t.view,t),this._show(t)}remove(t){if(!this.hasView(t))throw new P.b("contextualballoon-remove-view-not-exist: Cannot remove configuration of not existing view.");if(this.visibleView===t){this.view.content.remove(t),this._stack.delete(t);const e=Array.from(this._stack.values()).pop();e?this._show(e):this.view.hide()}else this._stack.delete(t)}updatePosition(t){t&&(this._stack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition())}_show({view:t,balloonClassName:e=""}){this.view.className=e,this.view.content.add(t),this.view.pin(this._getBalloonPosition())}_getBalloonPosition(){let t=Array.from(this._stack.values()).pop().position;return t&&!t.limiter&&(t=Object.assign({},t,{limiter:this.positionLimiter})),t}}var jh=n(30),Vh=n.n(jh);function zh(t){const e=t.editing.view,n=Nh.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class Bh extends zl{static get requires(){return[Lh]}init(){this._createButton(),this._createForm()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",n=>{const i=t.commands.get("imageTextAlternative"),o=new Ld(n);return o.set({label:e("bm"),icon:Vh.a,tooltip:!0}),o.bind("isEnabled").to(i,"isEnabled"),this.listenTo(o,"execute",()=>this._showForm()),o})}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new Th(t.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.inputView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(t,e)=>{this._hideForm(!0),e()}),this.listenTo(t.ui,"update",()=>{rh(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(rh(t.editing.view.document.selection)){const n=zh(t);e.updatePosition(n)}}(t):this._hideForm(!0)}),wh({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._form.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._balloon.hasView(this._form)||this._balloon.add({view:this._form,position:zh(t)}),n.value=n.inputView.element.value=e.value||"",this._form.labeledInput.select()}_hideForm(t){this._isVisible&&(this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView==this._form}}class Fh extends zl{static get requires(){return[bh,Bh]}static get pluginName(){return"ImageTextAlternative"}}n(89);class Uh extends zl{static get requires(){return[dh,mh,Fh]}static get pluginName(){return"Image"}}class Hh extends xl{constructor(t){super(t),this.buttonView=new Ld(t),this._fileInputView=new qh(t),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",()=>{this._fileInputView.open()})}focus(){this.buttonView.focus()}}class qh extends xl{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}var Wh=n(31),Yh=n.n(Wh);function $h(t){return/^image\/(jpeg|png|gif|bmp)$/.test(t.type)}function Gh(t){return new Promise(e=>{fetch(t.getAttribute("src")).then(t=>t.blob()).then(n=>{const i=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(n,t.getAttribute("src")),o=function(t,e,n){try{return new File([t],e,{type:n})}catch(t){return null}}(n,`image.${i.replace("image/","")}`,i);e({image:t,file:o})}).catch(()=>{e({image:t,file:null})})})}class Qh extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",n=>{const i=new Hh(n),o=t.commands.get("imageUpload");return i.set({acceptedType:"image/*",allowMultipleFiles:!0}),i.buttonView.set({label:e("r"),icon:Yh.a,tooltip:!0}),i.buttonView.bind("isEnabled").to(o),i.on("done",(e,n)=>{const i=Array.from(n).filter($h);i.length&&t.execute("imageUpload",{file:i})}),i})}}var Kh=n(32),Jh=n.n(Kh);n(91),n(93),n(95);class Zh extends zl{constructor(t){super(t),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent(Jh.a)}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,n){const i=this.editor,o=e.item,r=o.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name))return;const s=i.plugins.get(Wd),a=r?e.attributeNewValue:null,c=this.placeholder,l=i.editing.mapper.toViewElement(o),d=n.writer;if("reading"==a)return ef(l,d),void nf(c,l,d);if("uploading"==a){const t=s.loaders.get(r);return ef(l,d),void(t?(of(l,d),function(t,e,n,i){const o=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty(Xh,!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),o),n.on("change:uploadedPercent",(t,e,n)=>{i.change(t=>{t.setStyle("width",n+"%",o)})})}(l,d,t,i.editing.view)):nf(c,l,d))}"complete"==a&&s.loaders.get(r)&&!co.isEdge&&function(t,e,n){const i=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),i),setTimeout(()=>{n.change(t=>t.remove(t.createRangeOn(i)))},3e3)}(l,d,i.editing.view),function(t,e){sf(t,e,Xh)}(l,d),of(l,d),function(t,e){e.removeClass("ck-appear",t)}(l,d)}}const Xh=Symbol("progress-bar"),tf=Symbol("placeholder");function ef(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function nf(t,e,n){e.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",e);const i=e.getChild(0);i.getAttribute("src")!==t&&n.setAttribute("src",t,i),rf(e,tf)||n.insert(n.createPositionAfter(i),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty(tf,!0,e),e}(n))}function of(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),sf(t,e,tf)}function rf(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function sf(t,e,n){const i=rf(t,n);i&&e.remove(e.createRangeOn(i))}class af{createDocumentFragment(t){return new ko(t)}createElement(t,e,n){return new mi(t,e,n)}createText(t){return new ci(t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const n=t.parent;if(n){const i=n.getChildIndex(t);return this.removeChildren(i,1,n),this.insertChild(i,e,n),!0}return!1}rename(t,e){const n=new mi(t,e.getAttributes(),e.getChildren());return this.replace(e,n)?n:null}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){C(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return $i._createAt(t,e)}createPositionAfter(t){return $i._createAfter(t)}createPositionBefore(t){return $i._createBefore(t)}createRange(t,e){return new Gi(t,e)}createRangeOn(t){return Gi._createOn(t)}createRangeIn(t){return Gi._createIn(t)}createSelection(t,e,n){return new Ji(t,e,n)}}class cf extends ql{refresh(){this.isEnabled=ch(this.editor.model)}execute(t){const e=this.editor,n=e.model,i=e.plugins.get(Wd);n.change(e=>{const o=Array.isArray(t.file)?t.file:[t.file];for(const t of o)lf(e,n,i,t)})}}function lf(t,e,n,i){const o=n.createLoader(i);o&&ah(t,e,{uploadId:o.id})}class df extends zl{static get requires(){return[Wd,Pu]}init(){const t=this.editor,e=t.model.document,n=t.model.schema,i=t.conversion,o=t.plugins.get(Wd);n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new cf(t)),i.for("upcast").add(Da({view:{name:"img",key:"uploadId"},model:"uploadId"})),this.listenTo(t.editing.view.document,"clipboardInput",(e,n)=>{if(function(t){return Array.from(t.types).includes("text/html")&&""!==t.getData("text/html")}(n.dataTransfer))return;const i=Array.from(n.dataTransfer.files).filter(t=>!!t&&$h(t)),o=n.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(n=>{n.setSelection(o),i.length&&(e.stop(),t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:i})}))})}),this.listenTo(t.plugins.get("Clipboard"),"inputTransformation",(e,n)=>{const i=Array.from(t.editing.view.createRangeIn(n.content)).filter(t=>(function(t){return!(!t.is("element","img")||!t.getAttribute("src"))&&(t.getAttribute("src").match(/^data:image\/\w+;base64,/g)||t.getAttribute("src").match(/^blob:/g))})(t.item)&&!t.item.getAttribute("uploadProcessed")).map(t=>Gh(t.item));i.length&&(e.stop(),Promise.all(i).then(e=>{const i=new af;for(const t of e)if(t.file){i.setAttribute("uploadProcessed",!0,t.image);const e=o.createLoader(t.file);e&&(i.setAttribute("src","",t.image),i.setAttribute("uploadId",e.id,t.image))}else i.remove(t.image);t.plugins.get("Clipboard").fire("inputTransformation",n)}))}),t.editing.view.document.on("dragover",(t,e)=>{e.preventDefault()}),e.on("change",()=>{const t=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of t)if("insert"==e.type&&"image"==e.name){const t=e.position.nodeAfter,n="$graveyard"==e.position.root.rootName,i=t.getAttribute("uploadId");if(!i)continue;const r=o.loaders.get(i);if(!r)continue;n?r.abort():"idle"==r.status&&this._readAndUpload(r,t)}})}_readAndUpload(t,e){const n=this.editor,i=n.model,o=n.locale.t,r=n.plugins.get(Wd),s=n.plugins.get(Pu);return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)}),t.read().then(o=>{const r=n.editing.mapper.toViewElement(e).getChild(0),s=t.upload();return n.editing.view.change(t=>{t.setAttribute("src",o,r)}),i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)}),s}).then(t=>{i.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,n)}),a()}).catch(n=>{if("error"!==t.status&&"aborted"!==t.status)throw n;"error"==t.status&&s.showWarning(n,{title:o("s"),namespace:"upload"}),a(),i.enqueueChange("transparent",t=>{t.remove(e)})});function a(){i.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let i=0;const o=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return i=Math.max(i,e),!0}).map(e=>`${t[e]} ${e}w`).join(", ");""!=o&&n.setAttribute("srcset",{data:o,width:i},e)}}class uf extends zl{static get pluginName(){return"ImageUpload"}static get requires(){return[df,Qh,Zh]}}class hf extends ql{refresh(){const t=this.editor.model,e=pu(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("paragraph"),this.isEnabled=!!e&&ff(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change(i=>{const o=(t.selection||n.selection).getSelectedBlocks();for(const t of o)!t.is("paragraph")&&ff(t,e.schema)&&i.rename(t,"paragraph")})}}function ff(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class mf extends zl{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model,n=t.data;t.commands.add("paragraph",new hf(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),n.upcastDispatcher.on("element",(t,e,n)=>{const i=n.writer;if(n.consumable.test(e.viewItem,{name:e.viewItem.name}))if(mf.paragraphLikeElements.has(e.viewItem.name)){if(e.viewItem.isEmpty)return;const t=i.createElement("paragraph"),o=n.splitToAllowedParent(t,e.modelCursor);if(!o)return;i.insert(t,o.position);const{modelRange:r}=n.convertChildren(e.viewItem,i.createPositionAt(t,0));e.modelRange=i.createRange(i.createPositionBefore(t),r.end),e.modelCursor=e.modelRange.end}else gf(e.viewItem,e.modelCursor,n.schema)&&(e=Object.assign(e,pf(e.viewItem,e.modelCursor,n)))},{priority:"low"}),n.upcastDispatcher.on("text",(t,e,n)=>{e.modelRange||gf(e.viewItem,e.modelCursor,n.schema)&&(e=Object.assign(e,pf(e.viewItem,e.modelCursor,n)))},{priority:"lowest"}),e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t)),t.on("dataReady",()=>{e.enqueueChange("transparent",t=>this._autoparagraphEmptyRoots(t))},{priority:"lowest"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const n of e.document.getRootNames()){const i=e.document.getRoot(n);if(i.isEmpty&&"$graveyard"!=i.rootName&&e.schema.checkChild(i,"paragraph"))return t.insertElement("paragraph",i),!0}}}function pf(t,e,n){const i=n.writer.createElement("paragraph");return n.writer.insert(i,e),n.convertItem(t,n.writer.createPositionAt(i,0))}function gf(t,e,n){const i=n.createContext(e);return!!n.checkChild(i,"paragraph")&&!!n.checkChild(i.push("paragraph"),t)}mf.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class bf extends ql{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=pu(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>wf(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,n=e.document,i=t.value;e.change(t=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(t=>wf(t,i,e.schema));for(const e of o)e.is(i)||t.rename(e,i)})}}function wf(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}const kf="paragraph";class _f extends zl{constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[mf]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const i of e)i.model!==kf&&(t.model.schema.register(i.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(i),n.push(i.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new bf(t,n))}afterInit(){const t=this.editor,e=t.commands.get("enter"),n=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",(e,i)=>{const o=t.model.document.selection.getFirstPosition().parent;n.some(t=>o.is(t.model))&&!o.is(kf)&&0===o.childCount&&i.writer.rename(o,kf)})}_addDefaultH1Conversion(t){t.conversion.for("upcast").add(Oa({model:"heading1",view:"h1",converterPriority:I.get("low")+1}))}}class vf{constructor(t,e){e&&Ii(this,e),t&&this.set(t)}}F(vf,Li);class yf extends xl{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",e.to("position",t=>`ck-dropdown__panel_${t}`),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to(t=>t.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}n(97);class xf extends xl{constructor(t,e,n){super(t);const i=this.bindTemplate;this.buttonView=e,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("panelPosition","auto"),this.focusTracker=new Jc,this.keystrokes=new Uc,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",i.to("class"),i.if("isEnabled","ck-disabled",t=>!t)]},children:[e,n]}),e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen}),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",()=>{if(this.isOpen)if("auto"===this.panelPosition){const t=xf.defaultPanelPositions;this.panelView.position=Ph({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:[t.southEast,t.southWest,t.northEast,t.northWest]}).name}else this.panelView.position=this.panelPosition}),this.keystrokes.listenTo(this.element),this.focusTracker.add(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",(t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())}),this.keystrokes.set("arrowright",(t,e)=>{this.isOpen&&e()}),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}}xf.defaultPanelPositions={southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.bottom-e.height,left:t.left-e.width+t.width,name:"nw"})};var Af=n(10),Cf=n.n(Af);class Tf extends Ld{constructor(t){super(t),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const t=new Rd;return t.content=Cf.a,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}n(99);class Pf extends xl{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Jc,this.keystrokes=new Uc,this._focusCycler=new Nl({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class Mf extends xl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class Sf extends xl{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(101);class Ef extends Ld{constructor(t){super(t),this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new xl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}n(103),n(105);function If(t,e=Tf){const n=new e(t),i=new yf(t),o=new xf(t,n,i);return n.bind("isEnabled").to(o),n instanceof Tf?n.bind("isOn").to(o,"isOpen"):n.arrowView.bind("isOn").to(o,"isOpen"),function(t){(function(t){t.on("render",()=>{wh({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof Ef||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,n)=>{t.isOpen&&(t.panelView.focus(),n())}),t.keystrokes.set("arrowup",(e,n)=>{t.isOpen&&(t.panelView.focusLast(),n())})}(t)}(o),o}function Nf(t,e){const n=t.toolbarView=new Dl;t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map(t=>n.items.add(t)),t.panelView.children.add(n),n.items.delegate("execute").to(t)}function Of(t,e){const n=t.locale,i=t.listView=new Pf(n);i.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new Sf(n);if("button"===t||"switchbutton"===t){const i=new Mf(n);let o;return(o="button"===t?new Ld(n):new Ef(n)).bind(...Object.keys(e)).to(e),o.delegate("execute").to(i),i.children.add(o),i}}),t.panelView.children.add(i),i.items.delegate("execute").to(t)}n(19);class Rf extends zl{init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e("ci"),"Heading 1":e("cj"),"Heading 2":e("ck"),"Heading 3":e("cl")};return t.config.get("heading.options").map(t=>{const e=n[t.title];return e&&e!=t.title&&(t=Object.assign({},t,{title:e})),t})}(t),i=e("t"),o=e("u");t.ui.componentFactory.add("heading",e=>{const r={},s=new Xi,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of n){const e={type:"button",model:new vf({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(e.model.bind("isOn").to(a,"value",e=>e===t.model),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const d=If(e);return Of(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:o}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",(...t)=>t.some(t=>t)),d.buttonView.bind("label").to(a,"value",c,"value",(t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:i}),this.listenTo(d,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()}),d})}}n(108);const Df=new WeakMap;function Lf(t,e,n,i){const o=t.document;Df.has(o)||(Df.set(o,new Map),o.registerPostFixer(t=>(function(t,e){const n=Df.get(t);let i=!1;for(const[t,o]of n)jf(e,t,o)&&(i=!0);return i})(o,t))),Df.get(o).set(e,{placeholderText:n,checkFunction:i}),t.render()}function jf(t,e,n){const i=e.document,o=n.placeholderText;let r=!1;if(!i)return!1;e.getAttribute("data-placeholder")!==o&&(t.setAttribute("data-placeholder",o,e),r=!0);const s=i.selection.anchor,a=n.checkFunction;if(a&&!a())return e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),r=!0),r;const c=!Array.from(e.getChildren()).some(t=>!t.is("uiElement"));return!i.isFocused&&c?(e.hasClass("ck-placeholder")||(t.addClass("ck-placeholder",e),r=!0),r):(c&&s&&s.parent!==e?e.hasClass("ck-placeholder")||(t.addClass("ck-placeholder",e),r=!0):e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),r=!0),r)}const Vf=Symbol("imageCaption");function zf(t){for(const e of t.getChildren())if(e&&e.is("caption"))return e;return null}function Bf(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class Ff extends zl{init(){const t=this.editor,e=t.editing.view,n=t.model.schema,i=t.data,o=t.editing,r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for("upcast").add(Oa({view:Bf,model:"caption"}));i.downcastDispatcher.on("insert:caption",Uf(t=>t.createContainerElement("figcaption"),!1));const s=function(t,e){return n=>{const i=n.createEditableElement("figcaption");return n.setCustomProperty(Vf,!0,i),Lf(t,i,e),eh(i,n)}}(e,r("l"));o.downcastDispatcher.on("insert:caption",Uf(s)),o.downcastDispatcher.on("insert",this._fixCaptionVisibility(t=>t.item),{priority:"high"}),o.downcastDispatcher.on("remove",this._fixCaptionVisibility(t=>t.position.parent),{priority:"high"}),e.document.registerPostFixer(t=>this._updateCaptionVisibility(t))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper,n=this._lastSelectedCaption;let i;const o=this.editor.model.document.selection,r=o.getSelectedElement();if(r&&r.is("image")){const t=zf(r);i=e.toViewElement(t)}const s=Hf(o.getFirstPosition().parent);if(s&&(i=e.toViewElement(s)),i)return n?n===i?Wf(i,t):(qf(n,t),this._lastSelectedCaption=i,Wf(i,t)):(this._lastSelectedCaption=i,Wf(i,t));if(n){const e=qf(n,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,n,i)=>{const o=Hf(t(n)),r=this.editor.editing.mapper,s=i.writer;if(o){const t=r.toViewElement(o);t&&(o.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model.document.differ.getChanges();for(const n of e)if("insert"==n.type&&"image"==n.name){const e=n.position.nodeAfter;if(!zf(e))return t.appendElement("caption",e),!0}}}function Uf(t,e=!0){return(n,i,o)=>{const r=i.item;if((r.childCount||e)&&sh(r.parent)){if(!o.consumable.consume(i.item,"insert"))return;const e=o.mapper.toViewElement(i.range.start.parent),n=t(o.writer),s=o.writer;r.childCount||s.addClass("ck-hidden",n),function(t,e,n,i){const o=i.writer.createPositionAt(n,"end");i.writer.insert(o,t),i.mapper.bindElements(e,t)}(n,i.item,e,o)}}}function Hf(t){const e=t.getAncestors({includeSelf:!0}).find(t=>"caption"==t.name);return e&&e.parent&&"image"==e.parent.name?e:null}function qf(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function Wf(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}n(110);class Yf extends ql{constructor(t,e){super(t),this._defaultStyle=!1,this.styles=e.reduce((t,e)=>(t[e.name]=e,e.isDefault&&(this._defaultStyle=e.name),t),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=sh(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this._defaultStyle;else this.value=!1}execute(t){const e=t.value,n=this.editor.model,i=n.document.selection.getSelectedElement();n.change(t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",i):t.setAttribute("imageStyle",e,i)})}}function $f(t,e){for(const n of e)if(n.name===t)return n}var Gf=n(14),Qf=n.n(Gf),Kf=n(15),Jf=n.n(Kf),Zf=n(16),Xf=n.n(Zf),tm=n(11),em=n.n(tm);const nm={full:{name:"full",title:"Full size image",icon:Qf.a,isDefault:!0},side:{name:"side",title:"Side image",icon:em.a,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:Jf.a,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:Xf.a,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:em.a,className:"image-style-align-right"}},im={full:Qf.a,left:Jf.a,right:em.a,center:Xf.a};function om(t=[]){return t.map(rm).map(t=>Object.assign({},t))}function rm(t){if("string"==typeof t){const e=t;nm[e]?t=Object.assign({},nm[e]):(fs.a.warn("image-style-not-found: There is no such image style of given name.",{name:e}),t={name:e})}else if(nm[t.name]){const e=nm[t.name],n=Object.assign({},t);for(const i in e)t.hasOwnProperty(i)||(n[i]=e[i]);t=n}return"string"==typeof t.icon&&im[t.icon]&&(t.icon=im[t.icon]),t}class sm extends zl{static get requires(){return[dh]}static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,n=t.data,i=t.editing;t.config.define("image.styles",["full","side"]);const o=om(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,e.name))return;const o=$f(n.attributeNewValue,t),r=$f(n.attributeOldValue,t),s=i.mapper.toViewElement(n.item),a=i.writer;r&&a.removeClass(r.className,s),o&&a.addClass(o.className,s)}}(o);i.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(t){const e=t.filter(t=>!t.isDefault);return(t,n,i)=>{if(!n.modelRange)return;const o=n.viewItem,r=pu(n.modelRange.getItems());if(i.schema.checkAttribute(r,"imageStyle"))for(const t of e)i.consumable.consume(o,{classes:t.className})&&i.writer.setAttribute("imageStyle",t.name,r)}}(o),{priority:"low"}),t.commands.add("imageStyle",new Yf(t,o))}}n(112);class am extends zl{get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("m"),"Side image":t("n"),"Left aligned image":t("o"),"Centered image":t("p"),"Right aligned image":t("q")}}init(){const t=function(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}(om(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,n=`imageStyle:${t.name}`;e.ui.componentFactory.add(n,n=>{const i=e.commands.get("imageStyle"),o=new Ld(n);return o.set({label:t.title,icon:t.icon,tooltip:!0}),o.bind("isEnabled").to(i,"isEnabled"),o.bind("isOn").to(i,"value",e=>e===t.name),this.listenTo(o,"execute",()=>e.execute("imageStyle",{value:t.name})),o})}}class cm extends zl{static get requires(){return[Lh]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor,e=t.plugins.get("BalloonToolbar");e&&this.listenTo(e,"show",e=>{(function(t){const e=t.getSelectedElement();return!(!e||!Zu(e))})(t.editing.view.document.selection)&&e.stop()},{priority:"high"}),this._toolbars=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.listenTo(t.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}register(t,{items:e,visibleWhen:n,balloonClassName:i="ck-toolbar-container"}){const o=this.editor,r=new Dl;if(this._toolbars.has(t))throw new P.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",{toolbarId:t});r.fillFromConfig(e,o.ui.componentFactory),this._toolbars.set(t,{view:r,visibleWhen:n,balloonClassName:i})}_updateToolbarsVisibility(){for(const t of this._toolbars.values())this.editor.ui.focusTracker.isFocused&&t.visibleWhen(this.editor.editing.view.document.selection)?this._showToolbar(t):this._hideToolbar(t)}_hideToolbar(t){this._isToolbarVisible(t)&&this._balloon.remove(t.view)}_showToolbar(t){this._isToolbarVisible(t)?function(t){const e=t.plugins.get("ContextualBalloon"),n=lm(t);e.updatePosition(n)}(this.editor):this._balloon.hasView(t.view)||this._balloon.add({view:t.view,position:lm(this.editor),balloonClassName:t.balloonClassName})}_isToolbarVisible(t){return this._balloon.visibleView==t.view}}function lm(t){const e=t.editing.view,n=Nh.defaultPositions,i=function(t){const e=t.getSelectedElement();if(e&&Zu(e))return e;let n=t.getFirstPosition().parent;for(;n;){if(n.is("element")&&Zu(n))return n;n=n.parent}}(e.document.selection);return{target:e.domConverter.viewToDom(i),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}function dm(t,e,n){return n.createRange(um(t,e,!0,n),um(t,e,!1,n))}function um(t,e,n,i){let o=t.textNode||(n?t.nodeBefore:t.nodeAfter),r=null;for(;o&&o.getAttribute("linkHref")==e;)r=o,o=n?o.previousSibling:o.nextSibling;return r?i.createPositionAt(r,n?"before":"after"):t}class hm extends ql{refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(t){const e=this.editor.model,n=e.document.selection;e.change(i=>{if(n.isCollapsed){const o=n.getFirstPosition();if(n.hasAttribute("linkHref")){const o=dm(n.getFirstPosition(),n.getAttribute("linkHref"),e);i.setAttribute("linkHref",t,o),i.setSelection(o)}else if(""!==t){const e=Rs(n.getAttributes());e.set("linkHref",t);const r=i.createText(t,e);i.insert(r,o),i.setSelection(i.createRangeOn(r))}}else{const o=e.schema.getValidRanges(n.getRanges(),"linkHref");for(const e of o)i.setAttribute("linkHref",t,e)}})}}class fm extends ql{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("linkHref")}execute(){const t=this.editor.model,e=t.document.selection;t.change(n=>{const i=e.isCollapsed?[dm(e.getFirstPosition(),e.getAttribute("linkHref"),t)]:e.getRanges();for(const t of i)n.removeAttribute("linkHref",t)})}}const mm=Symbol("linkElement"),pm=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,gm=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function bm(t,e){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty(mm,!0,n),n}function wm(t){return function(t){return t.replace(pm,"").match(gm)}(t=String(t))?t:"#"}class km{constructor(t,e,n){this.model=t,this.attribute=n,this._modelSelection=t.document.selection,this._overrideUid=null,this._isNextGravityRestorationSkipped=!1,e.listenTo(this._modelSelection,"change:range",(t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&_m(this._modelSelection.getFirstPosition(),n)||this._restoreGravity())})}handleForwardMovement(t,e){const n=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return xm(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):vm(t,n)?(this._preventCaretMovement(e),this._overrideGravity(),!0):ym(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const n=this.attribute;return this._isGravityOverridden?xm(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):xm(t,n)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&ym(t,n)?this._hasSelectionAttribute?void(Am(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity())):(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtStart?this._hasSelectionAttribute?(this._removeSelectionAttribute(),this._preventCaretMovement(e),!0):void 0:void(Am(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity()))}get _isGravityOverridden(){return!!this._overrideUid}get _hasSelectionAttribute(){return this._modelSelection.hasAttribute(this.attribute)}_overrideGravity(){this._overrideUid=this.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.model.change(t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}_preventCaretMovement(t){t.preventDefault()}_removeSelectionAttribute(){this.model.change(t=>{t.removeSelectionAttribute(this.attribute)})}_setSelectionAttributeFromTheNodeBefore(t){const e=this.attribute;this.model.change(n=>{n.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=!0}}function _m(t,e){return vm(t,e)||ym(t,e)}function vm(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e);return!!i&&i.hasAttribute(e)&&(!o||n.getAttribute(e)!==i.getAttribute(e))}function ym(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e),r=!!i&&i.hasAttribute(e);return o&&(!r||n.getAttribute(e)!==i.getAttribute(e))}function xm(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e);if(!!i&&i.hasAttribute(e)&&o)return i.getAttribute(e)!==n.getAttribute(e)}function Am(t,e){return _m(t.getShiftedBy(-1),e)}n(114);const Cm="ck-link_selected";class Tm extends zl{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").add(ca({model:"linkHref",view:bm})),t.conversion.for("editingDowncast").add(ca({model:"linkHref",view:(t,e)=>bm(wm(t),e)})),t.conversion.for("upcast").add(Ra({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}})),t.commands.add("link",new hm(t)),t.commands.add("unlink",new fm(t)),function(t,e,n,i){const o=new km(e,n,i),r=e.document.selection;n.listenTo(t.document,"keydown",(t,e)=>{if(!r.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==ho.arrowright,i=e.keyCode==ho.arrowleft;if(!n&&!i)return;const s=r.getFirstPosition();let a;(a=n?o.handleForwardMovement(s,e):o.handleBackwardMovement(s,e))&&t.stop()},{priority:I.get("high")+1})}(t.editing.view,t.model,this,"linkHref"),this._setupLinkHighlight()}_setupLinkHighlight(){const t=this.editor,e=t.editing.view,n=new Set;e.document.registerPostFixer(e=>{const i=t.model.document.selection;if(i.hasAttribute("linkHref")){const o=dm(i.getFirstPosition(),i.getAttribute("linkHref"),t.model),r=t.editing.mapper.toViewRange(o);for(const t of r.getItems())t.is("a")&&(e.addClass(Cm,t),n.add(t))}}),t.conversion.for("editingDowncast").add(t=>{function i(){e.change(t=>{for(const e of n.values())t.removeClass(Cm,e),n.delete(e)})}t.on("insert",i,{priority:"highest"}),t.on("remove",i,{priority:"highest"}),t.on("attribute",i,{priority:"highest"}),t.on("selection",i,{priority:"highest"})})}}class Pm extends Kr{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}n(116);class Mm extends xl{constructor(t){super(t);const e=t.t;this.focusTracker=new Jc,this.keystrokes=new Uc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(e("bu"),xh.a,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("bv"),Ch.a,"ck-button-cancel","cancel"),this._focusables=new tl,this._focusCycler=new Nl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-link-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),vh({view:this}),[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const t=this.locale.t,e=new kh(this.locale,_h);return e.label=t("cc"),e.inputView.placeholder="https://example.com",e}_createButton(t,e,n,i){const o=new Ld(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}}var Sm=n(33),Em=n.n(Sm),Im=n(34),Nm=n.n(Im);n(118);class Om extends xl{constructor(t){super(t);const e=t.t;this.focusTracker=new Jc,this.keystrokes=new Uc,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("by"),Em.a,"unlink"),this.editButtonView=this._createButton(e("bz"),Nm.a,"edit"),this.set("href"),this._focusables=new tl,this._focusCycler=new Nl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const i=new Ld(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.delegate("execute").to(this,n),i}_createPreviewButton(){const t=new Ld(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("ca")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&wm(t)),target:"_blank"}}),t.bind("label").to(this,"href",t=>t||n("cb")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}var Rm=n(35),Dm=n.n(Rm);const Lm="Ctrl+K";class jm extends zl{static get requires(){return[Lh]}init(){const t=this.editor;t.editing.view.addObserver(Pm),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(Lh),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}_createActionsView(){const t=this.editor,e=new Om(t.locale),n=t.commands.get("link"),i=t.commands.get("unlink");return e.bind("href").to(n,"value"),e.editButtonView.bind("isEnabled").to(n),e.unlinkButtonView.bind("isEnabled").to(i),this.listenTo(e,"edit",()=>{this._addFormView()}),this.listenTo(e,"unlink",()=>{t.execute("unlink"),this._hideUI()}),e.keystrokes.set("Esc",(t,e)=>{this._hideUI(),e()}),e.keystrokes.set(Lm,(t,e)=>{this._addFormView(),e()}),e}_createFormView(){const t=this.editor,e=new Mm(t.locale),n=t.commands.get("link");return e.urlInputView.bind("value").to(n,"value"),e.urlInputView.bind("isReadOnly").to(n,"isEnabled",t=>!t),e.saveButtonView.bind("isEnabled").to(n),this.listenTo(e,"submit",()=>{t.execute("link",e.urlInputView.inputView.element.value),this._removeFormView()}),this.listenTo(e,"cancel",()=>{this._removeFormView()}),e.keystrokes.set("Esc",(t,e)=>{this._removeFormView(),e()}),e}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),n=t.t;t.keystrokes.set(Lm,(t,n)=>{n(),e.isEnabled&&this._showUI()}),t.ui.componentFactory.add("link",t=>{const i=new Ld(t);return i.isEnabled=!0,i.label=n("v"),i.icon=Dm.a,i.keystroke=Lm,i.tooltip=!0,i.bind("isOn","isEnabled").to(e,"value","isEnabled"),this.listenTo(i,"execute",()=>this._showUI()),i})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())},{priority:"high"}),this.editor.keystrokes.set("Esc",(t,e)=>{this._isUIVisible&&(this._hideUI(),e())}),wh({emitter:this.formView,activator:()=>this._isUIVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const t=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this.formView.urlInputView.select(),this.formView.urlInputView.inputView.element.value=t.value||""}_removeFormView(){this._isFormInPanel&&(this._balloon.remove(this.formView),this.editor.editing.view.focus())}_showUI(){this.editor.commands.get("link").isEnabled&&(this._getSelectedLinkElement()?this._areActionsVisible?this._addFormView():this._addActionsView():(this._addActionsView(),this._addFormView()),this._startUpdatingUI())}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this._removeFormView(),this._balloon.remove(this.actionsView),t.editing.view.focus()}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let n=this._getSelectedLinkElement(),i=o();function o(){return e.selection.focus.getAncestors().reverse().find(t=>t.is("element"))}this.listenTo(t.ui,"update",()=>{const t=this._getSelectedLinkElement(),e=o();n&&!t||!n&&e!==i?this._hideUI():this._balloon.updatePosition(this._getBalloonPositionData()),n=t,i=e})}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view,e=t.document,n=this._getSelectedLinkElement();return{target:n?t.domConverter.mapViewToDom(n):t.domConverter.viewRangeToDom(e.selection.getFirstRange())}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return Vm(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),i=Vm(n.start),o=Vm(n.end);return i&&i==o&&t.createRangeIn(i).getTrimmed().isEqual(n)?i:null}}}function Vm(t){return t.getAncestors().find(t=>(function(t){return t.is("attributeElement")&&!!t.getCustomProperty(mm)})(t))}class zm extends ql{constructor(t,e){super(t),this.type="bulleted"==e?"bulleted":"numbered"}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,n=Array.from(e.selection.getSelectedBlocks()).filter(e=>Fm(e,t.schema)),i=!0===this.value;t.change(t=>{if(i){let e=n[n.length-1].nextSibling,i=Number.POSITIVE_INFINITY,o=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<i&&(i=t);const n=t-i;o.push({element:e,listIndent:n}),e=e.nextSibling}o=o.reverse();for(const e of o)t.setAttribute("listIndent",e.listIndent,e.element)}if(!i){let t=Number.POSITIVE_INFINITY;for(const e of n)e.is("listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));Bm(n,!0,t=0===t?1:t),Bm(n,!1,t)}for(const e of n.reverse())i&&"listItem"==e.name?t.rename(e,"paragraph"):i||"listItem"==e.name?i||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"))})}_getValue(){const t=pu(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=pu(t.getSelectedBlocks());return!!n&&Fm(n,e)}}function Bm(t,e,n){const i=e?t[0]:t[t.length-1];if(i.is("listItem")){let o=i[e?"previousSibling":"nextSibling"],r=i.getAttribute("listIndent");for(;o&&o.is("listItem")&&o.getAttribute("listIndent")>=n;)r>o.getAttribute("listIndent")&&(r=o.getAttribute("listIndent")),o.getAttribute("listIndent")==r&&t[e?"unshift":"push"](o),o=o[e?"previousSibling":"nextSibling"]}}function Fm(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class Um extends ql{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=n[n.length-1];let i=e.nextSibling;for(;i&&"listItem"==i.name&&i.getAttribute("listIndent")>e.getAttribute("listIndent");)n.push(i),i=i.nextSibling;this._indentBy<0&&(n=n.reverse());for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;n<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",n,e)}})}_checkEnabled(){const t=pu(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let i=t.previousSibling;for(;i&&i.is("listItem")&&i.getAttribute("listIndent")>=e;){if(i.getAttribute("listIndent")==e)return i.getAttribute("listType")==n;i=i.previousSibling}return!1}return!0}}function Hm(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:wi.call(this)}function qm(t){return(e,n,i)=>{const o=i.consumable;if(!o.test(n.item,"insert")||!o.test(n.item,"attribute:listType")||!o.test(n.item,"attribute:listIndent"))return;o.consume(n.item,"insert"),o.consume(n.item,"attribute:listType"),o.consume(n.item,"attribute:listIndent");const r=n.item;ip(r,function(t,e){const n=e.mapper,i=e.writer,o="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=Hm,e}(i),s=i.createContainerElement(o,null);return i.insert(i.createPositionAt(s,0),r),n.bindElements(t,r),r}(r,i),i,t)}}function Wm(t){return(e,n,i)=>{const o=i.mapper.toViewPosition(n.position).getLastMatchingPosition(t=>!t.item.is("li")).nodeAfter,r=i.writer;r.breakContainer(r.createPositionBefore(o)),r.breakContainer(r.createPositionAfter(o));const s=o.parent,a=s.previousSibling,c=r.createRangeOn(s),l=r.remove(c);a&&a.nextSibling&&np(r,a,a.nextSibling),op(i.mapper.toModelElement(o).getAttribute("listIndent")+1,n.position,c.start,o,i,t);for(const t of r.createRangeIn(l).getItems())i.mapper.unbindViewElement(t);e.stop()}}function Ym(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType"))return;const i=n.mapper.toViewElement(e.item),o=n.writer;o.breakContainer(o.createPositionBefore(i)),o.breakContainer(o.createPositionAfter(i));let r=i.parent;const s="numbered"==e.attributeNewValue?"ol":"ul";np(o,r=o.rename(s,r),r.nextSibling),np(o,r.previousSibling,r);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function $m(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,"attribute:listIndent"))return;const o=i.mapper.toViewElement(n.item),r=i.writer;r.breakContainer(r.createPositionBefore(o)),r.breakContainer(r.createPositionAfter(o));const s=o.parent,a=s.previousSibling,c=r.createRangeOn(s);r.remove(c),a&&a.nextSibling&&np(r,a,a.nextSibling),op(n.attributeOldValue+1,n.range.start,c.start,o,i,t),ip(n.item,o,i,t);for(const t of n.item.getChildren())i.consumable.consume(t,"insert")}}function Gm(t,e,n){if("listItem"!=e.item.name){let t=n.mapper.toViewPosition(e.range.start);const i=n.writer,o=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&"li"==(t=i.breakContainer(t)).parent.name;){const e=t,n=i.createPositionAt(t.parent,"end");if(!e.isEqual(n)){const t=i.remove(i.createRange(e,n));o.push(t)}t=i.createPositionAfter(t.parent)}if(o.length>0){for(let e=0;e<o.length;e++){const n=t.nodeBefore;if(t=i.insert(t,o[e]).end,e>0){const e=np(i,n,n.nextSibling);e&&e.parent==n&&t.offset--}}np(i,t.nodeBefore,t.nodeAfter)}}}function Qm(t,e,n){const i=n.mapper.toViewPosition(e.position),o=i.nodeBefore,r=i.nodeAfter;np(n.writer,o,r)}function Km(t,e,n){if(n.consumable.consume(e.viewItem,{name:!0})){const t=n.writer,i=this.conversionApi.store,o=t.createElement("listItem");i.indent=i.indent||0,t.setAttribute("listIndent",i.indent,o);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";t.setAttribute("listType",r,o),i.indent++;const s=n.splitToAllowedParent(o,e.modelCursor);if(!s)return;t.insert(o,s.position);const a=function(t,e,n){const i=n.writer;let o=t,r=i.createPositionAfter(t);for(const t of e)if("ul"==t.name||"ol"==t.name)r=n.convertItem(t,r).modelCursor;else{const e=n.convertItem(t,i.createPositionAt(o,"end")),s=e.modelRange.start.nodeAfter;r=e.modelCursor,s&&s.is("element")&&!n.schema.checkChild(o,s.name)&&!(o=r.parent).is("listItem")&&o.nextSibling&&o.nextSibling.is("listItem")&&(o=o.nextSibling,r=i.createPositionAt(o,"end"))}return r}(o,e.viewItem.getChildren(),n);i.indent--,e.modelRange=t.createRange(e.modelCursor,a),s.cursorParent?e.modelCursor=t.createPositionAt(s.cursorParent,0):e.modelCursor=e.modelRange.end}}function Jm(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t)e.is("li")||e._remove()}}function Zm(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let n=!1,i=!0;for(const e of t)!n||e.is("ul")||e.is("ol")||e._remove(),e.is("text")?(i&&(e._data=e.data.replace(/^\s+/,"")),(!e.nextSibling||e.nextSibling.is("ul")||e.nextSibling.is("ol"))&&(e._data=e.data.replace(/\s+$/,""))):(e.is("ul")||e.is("ol"))&&(n=!0),i=!1}}function Xm(t){return(e,n)=>{if(n.isPhantom)return;const i=n.modelPosition.nodeBefore;if(i&&i.is("listItem")){const e=n.mapper.toViewElement(i),o=e.getAncestors().find(t=>t.is("ul")||t.is("ol")),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==o){n.viewPosition=t.nextPosition;break}}}}}function tp(t,[e,n]){let i,o=e.is("documentFragment")?e.getChild(0):e;if(i=n?this.createSelection(n):this.document.selection,o&&o.is("listItem")){const t=i.getFirstPosition();let e=null;if(t.parent.is("listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;o&&o.is("listItem");)o._setAttribute("listIndent",o.getAttribute("listIndent")+t),o=o.nextSibling}}}function ep(t,e){const n=!!e.sameIndent,i=!!e.smallerIndent,o=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(n&&o==t||i&&o>t)return r;r=r.previousSibling}return null}function np(t,e,n){return e&&n&&("ul"==e.name||"ol"==e.name)&&e.name==n.name?t.mergeContainers(t.createPositionAfter(e)):null}function ip(t,e,n,i){const o=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(i.createPositionBefore(t));const c=ep(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else a=l&&"listItem"==l.name?r.toViewPosition(i.createPositionAt(l,"end")):r.toViewPosition(i.createPositionBefore(t));if(a=rp(a),s.insert(a,o),l&&"listItem"==l.name){const t=r.toViewElement(l),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("li")){const i=s.breakContainer(s.createPositionBefore(t.item)),o=t.item.parent,r=s.createPositionAt(e,"end");np(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(o),r),n.position=i}}else{const n=o.nextSibling;if(n&&(n.is("ul")||n.is("ol"))){let i=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(!(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")))break;i=e}i&&(s.breakContainer(s.createPositionAfter(i)),s.move(s.createRangeOn(i.parent),s.createPositionAt(e,"end")))}}np(s,o,o.nextSibling),np(s,o.previousSibling,o)}function op(t,e,n,i,o,r){const s=ep(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=o.mapper,c=o.writer,l=s?s.getAttribute("listIndent"):null;let d;if(s)if(l==t){const t=a.toViewElement(s).parent;d=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=n;d=rp(d);for(const t of[...i.getChildren()])(t.is("ul")||t.is("ol"))&&(d=c.move(c.createRangeOn(t),d).end,np(c,t,t.nextSibling),np(c,t.previousSibling,t))}function rp(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}class sp extends zl{static get requires(){return[mf]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,n=t.editing;t.model.document.registerPostFixer(e=>(function(t,e){const n=t.document.differ.getChanges(),i=new Map;let o=!1;for(const t of n)if("insert"==t.type&&"listItem"==t.name)r(t.position);else if("insert"==t.type&&"listItem"!=t.name){if("$text"!=t.name){const n=t.position.nodeAfter;n.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",n),o=!0),n.hasAttribute("listType")&&(e.removeAttribute("listType",n),o=!0)}r(t.position.getShiftedBy(t.length))}else"remove"==t.type&&"listItem"==t.name?r(t.position):"attribute"==t.type&&"listIndent"==t.attributeKey?r(t.range.start):"attribute"==t.type&&"listType"==t.attributeKey&&r(t.range.start);for(const t of i.values())s(t),a(t);return o;function r(t){const e=t.nodeBefore;if(e&&e.is("listItem")){let n=e;if(i.has(n))return;for(;n.previousSibling&&n.previousSibling.is("listItem");)if(n=n.previousSibling,i.has(n))return;i.set(t.nodeBefore,n)}else{const e=t.nodeAfter;e&&e.is("listItem")&&i.set(e,e)}}function s(t){let n=0,i=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(r>n){let s;null===i?(i=r-n,s=n):(i>r&&(i=r),s=r-i),e.setAttribute("listIndent",s,t),o=!0}else i=null,n=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let n=[],i=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(i&&i.getAttribute("listIndent")>r&&(n=n.slice(0,r+1)),0!=r)if(n[r]){const i=n[r];t.getAttribute("listType")!=i&&(e.setAttribute("listType",i,t),o=!0)}else n[r]=t.getAttribute("listType");i=t,t=t.nextSibling}}})(t.model,e)),n.mapper.registerViewToModelLength("li",ap),e.mapper.registerViewToModelLength("li",ap),n.mapper.on("modelToViewPosition",Xm(n.view)),n.mapper.on("viewToModelPosition",function(t){return(e,n)=>{const i=n.viewPosition,o=i.parent,r=n.mapper;if("ul"==o.name||"ol"==o.name){if(i.isAtEnd){const e=r.toModelElement(i.nodeBefore),o=r.getModelLength(i.nodeBefore);n.modelPosition=t.createPositionBefore(e).getShiftedBy(o)}else{const e=r.toModelElement(i.nodeAfter);n.modelPosition=t.createPositionBefore(e)}e.stop()}else if("li"==o.name&&i.nodeBefore&&("ul"==i.nodeBefore.name||"ol"==i.nodeBefore.name)){const s=r.toModelElement(o);let a=1,c=i.nodeBefore;for(;c&&(c.is("ul")||c.is("ol"));)a+=r.getModelLength(c),c=c.previousSibling;n.modelPosition=t.createPositionBefore(s).getShiftedBy(a),e.stop()}}}(t.model)),e.mapper.on("modelToViewPosition",Xm(n.view)),n.downcastDispatcher.on("insert",Gm,{priority:"high"}),n.downcastDispatcher.on("insert:listItem",qm(t.model)),e.downcastDispatcher.on("insert",Gm,{priority:"high"}),e.downcastDispatcher.on("insert:listItem",qm(t.model)),n.downcastDispatcher.on("attribute:listType:listItem",Ym),e.downcastDispatcher.on("attribute:listType:listItem",Ym),n.downcastDispatcher.on("attribute:listIndent:listItem",$m(t.model)),e.downcastDispatcher.on("attribute:listIndent:listItem",$m(t.model)),n.downcastDispatcher.on("remove:listItem",Wm(t.model)),n.downcastDispatcher.on("remove",Qm,{priority:"low"}),e.downcastDispatcher.on("remove:listItem",Wm(t.model)),e.downcastDispatcher.on("remove",Qm,{priority:"low"}),e.upcastDispatcher.on("element:ul",Jm,{priority:"high"}),e.upcastDispatcher.on("element:ol",Jm,{priority:"high"}),e.upcastDispatcher.on("element:li",Zm,{priority:"high"}),e.upcastDispatcher.on("element:li",Km),t.model.on("insertContent",tp,{priority:"high"}),t.commands.add("numberedList",new zm(t,"numbered")),t.commands.add("bulletedList",new zm(t,"bulleted")),t.commands.add("indentList",new Um(t,"forward")),t.commands.add("outdentList",new Um(t,"backward"));const i=this.editor.editing.view.document;this.listenTo(i,"enter",(t,e)=>{const n=this.editor.model.document,i=n.selection.getLastPosition().parent;n.selection.isCollapsed&&"listItem"==i.name&&i.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())}),this.listenTo(i,"delete",(t,e)=>{if("backward"!==e.direction)return;const n=this.editor.model.document.selection;if(!n.isCollapsed)return;const i=n.getFirstPosition();if(!i.isAtStart)return;const o=i.parent;"listItem"===o.name&&(o.previousSibling&&"listItem"===o.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop()))},{priority:"high"});const o=t=>(e,n)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),n())};this.editor.keystrokes.set("Tab",o("indentList")),this.editor.keystrokes.set("Shift+Tab",o("outdentList"))}}function ap(t){let e=1;for(const n of t.getChildren())if("ul"==n.name||"ol"==n.name)for(const t of n.getChildren())e+=ap(t);return e}var cp=n(36),lp=n.n(cp),dp=n(37),up=n.n(dp);class hp extends zl{init(){const t=this.editor.t;this._addButton("numberedList",t("w"),lp.a),this._addButton("bulletedList",t("x"),up.a)}_addButton(t,e,n){const i=this.editor;i.ui.componentFactory.add(t,o=>{const r=i.commands.get(t),s=new Ld(o);return s.set({label:e,icon:n,tooltip:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),this.listenTo(s,"execute",()=>i.execute(t)),s})}}function fp(t,e){return t=>{t.on("attribute:url:media",n)};function n(n,i,o){if(!o.consumable.consume(i.item,n.name))return;const r=i.attributeNewValue,s=o.writer,a=o.mapper.toViewElement(i.item);s.remove(s.createRangeIn(a));const c=t.getMediaViewElement(s,r,e);s.insert(s.createPositionAt(a,0),c)}}const mp=Symbol("isMedia");function pp(t,e,n,i){const o=t.createContainerElement("figure",{class:"media"});return o.getFillerOffset=bp,t.insert(t.createPositionAt(o,0),e.getMediaViewElement(t,n,i)),o}function gp(t){const e=t.getSelectedElement();return e&&e.is("media")?e:null}function bp(){return null}class wp extends ql{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,i=e.getFirstPosition(),o=gp(e);let r=i.parent;r!=r.root&&(r=r.parent),this.value=o?o.getAttribute("url"):null,this.isEnabled=n.checkChild(r,"media")}execute(t){const e=this.editor.model,n=e.document.selection,i=gp(n);if(i)e.change(e=>{e.setAttribute("url",t,i)});else{const i=nh(n,e);e.change(n=>{const o=n.createElement("media",{url:t});e.insertContent(o,i),n.setSelection(o,"on")})}}}var kp=n(38),_p=n.n(kp);const vp="0 0 64 42";class yp{constructor(t,e){const n=e.providers,i=e.extraProviders||[],o=new Set(e.removeProviders),r=n.concat(i).filter(t=>{const e=t.name;return e?!o.has(e):(fs.a.warn("media-embed-no-provider-name: The configured media provider has no name and cannot be used.",{provider:t}),!1)});this.locale=t,this.providerDefinitions=r}hasMedia(t){return!!this._getMedia(t)}getMediaViewElement(t,e,n){return this._getMedia(e).getViewElement(t,n)}_getMedia(t){if(!t)return new xp(this.locale);t=t.trim();for(const e of this.providerDefinitions){const n=e.html;let i=e.url;Array.isArray(i)||(i=[i]);for(const e of i){const i=this._getUrlMatches(t,e);if(i)return new xp(this.locale,t,i,n)}}return null}_getUrlMatches(t,e){let n=t.match(e);if(n)return n;let i=t.replace(/^https?:\/\//,"");return(n=i.match(e))?n:(n=(i=i.replace(/^www\./,"")).match(e))||null}}class xp{constructor(t,e,n,i){this.url=this._getValidUrl(e),this._t=t.t,this._match=n,this._previewRenderer=i}getViewElement(t,e){const n={};if(e.renderForEditingView||e.renderMediaPreview&&this.url&&this._previewRenderer){this.url&&(n["data-oembed-url"]=this.url),e.renderForEditingView&&(n.class="ck-media__wrapper");const i=this._getPreviewHtml(e);return t.createUIElement("div",n,function(t){const e=this.toDomElement(t);return e.innerHTML=i,e})}return this.url&&(n.url=this.url),t.createEmptyElement("oembed",n)}_getPreviewHtml(t){return this._previewRenderer?this._previewRenderer(this._match):this.url&&t.renderForEditingView?this._getPlaceholderHtml():""}_getPlaceholderHtml(){const t=new Dd,e=new Rd;return t.text=this._t("Open media in new tab"),e.content=_p.a,e.viewBox=vp,new rl({tag:"div",attributes:{class:"ck ck-reset_all ck-media__placeholder"},children:[{tag:"div",attributes:{class:"ck-media__placeholder__icon"},children:[e]},{tag:"a",attributes:{class:"ck-media__placeholder__url",target:"new",href:this.url},children:[{tag:"span",attributes:{class:"ck-media__placeholder__url__text"},children:[this.url]},t]}]}).render().outerHTML}_getValidUrl(t){return t?t.match(/^https?/)?t:"https://"+t:null}}n(120);class Ap extends zl{constructor(t){super(t),t.config.define("mediaEmbed",{providers:[{name:"dailymotion",url:/^dailymotion\.com\/video\/(\w+)/,html:t=>{return'<div style="position: relative; padding-bottom: 100%; height: 0; ">'+`<iframe src="https://www.dailymotion.com/embed/video/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" width="480" height="270" allowfullscreen allow="autoplay"></iframe></div>'}},{name:"spotify",url:[/^open\.spotify\.com\/(artist\/\w+)/,/^open\.spotify\.com\/(album\/\w+)/,/^open\.spotify\.com\/(track\/\w+)/],html:t=>{return'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;">'+`<iframe src="https://open.spotify.com/embed/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allowtransparency="true" allow="encrypted-media"></iframe></div>'}},{name:"youtube",url:[/^youtube\.com\/watch\?v=([\w-]+)/,/^youtube\.com\/v\/([\w-]+)/,/^youtube\.com\/embed\/([\w-]+)/,/^youtu\.be\/([\w-]+)/],html:t=>{return'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;">'+`<iframe src="https://www.youtube.com/embed/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></div>'}},{name:"vimeo",url:[/^vimeo\.com\/(\d+)/,/^vimeo\.com\/[^/]+\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/album\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/channels\/[^/]+\/(\d+)/,/^vimeo\.com\/groups\/[^/]+\/videos\/(\d+)/,/^vimeo\.com\/ondemand\/[^/]+\/(\d+)/,/^player\.vimeo\.com\/video\/(\d+)/],html:t=>{return'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;">'+`<iframe src="https://player.vimeo.com/video/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>'}},{name:"instagram",url:/^instagram\.com\/p\/(\w+)/},{name:"twitter",url:/^twitter\.com/},{name:"googleMaps",url:/^google\.com\/maps/},{name:"flickr",url:/^flickr\.com/},{name:"facebook",url:/^facebook\.com/}]}),this.registry=new yp(t.locale,t.config.get("mediaEmbed"))}init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion,o=t.config.get("mediaEmbed.previewsInData"),r=this.registry;t.commands.add("mediaEmbed",new wp(t)),e.register("media",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["url"]}),i.for("dataDowncast").add(aa({model:"media",view:(t,e)=>{const n=t.getAttribute("url");return pp(e,r,n,{renderMediaPreview:n&&o})}})),i.for("dataDowncast").add(fp(r,{renderMediaPreview:o})),i.for("editingDowncast").add(aa({model:"media",view:(t,e)=>{const i=t.getAttribute("url");return function(t,e,n){return e.setCustomProperty(mp,!0,t),Xu(t,e,{label:n})}(pp(e,r,i,{renderForEditingView:!0}),e,n("y"))}})),i.for("editingDowncast").add(fp(r,{renderForEditingView:!0})),i.for("upcast").add(Oa({view:{name:"oembed",attributes:{url:!0}},model:(t,e)=>{const n=t.getAttribute("url");if(r.hasMedia(n))return e.createElement("media",{url:n})}})).add(Oa({view:{name:"div",attributes:{"data-oembed-url":!0}},model:(t,e)=>{const n=t.getAttribute("data-oembed-url");if(r.hasMedia(n))return e.createElement("media",{url:n})}}))}}const Cp=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=]+$/;class Tp extends zl{static get requires(){return[Hl,Ud]}static get pluginName(){return"AutoMediaEmbed"}constructor(t){super(t),this._timeoutId=null,this._positionToInsert=null}init(){const t=this.editor,e=t.model.document;this.listenTo(t.plugins.get(Hl),"inputTransformation",()=>{const t=e.selection.getFirstRange(),n=Mc.fromPosition(t.start);n.stickiness="toPrevious";const i=Mc.fromPosition(t.end);i.stickiness="toNext",e.once("change:data",()=>{this._embedMediaBetweenPositions(n,i),n.detach(),i.detach()},{priority:"high"})}),t.commands.get("undo").on("execute",()=>{this._timeoutId&&(Jo.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)},{priority:"high"})}_embedMediaBetweenPositions(t,e){const n=this.editor,i=n.plugins.get(Ap).registry,o=new Xs(t,e),r=o.getWalker({ignoreElementEnd:!0});let s="";for(const t of r)t.item.is("textProxy")&&(s+=t.item.data);if(!(s=s.trim()).match(Cp))return;if(!i.hasMedia(s))return;const a=n.commands.get("mediaEmbed");a.isEnabled&&(this._positionToInsert=Mc.fromPosition(t),this._timeoutId=Jo.window.setTimeout(()=>{n.model.change(t=>{this._timeoutId=null,t.remove(o),"$graveyard"!==this._positionToInsert.root.rootName&&t.setSelection(this._positionToInsert),a.execute(s),this._positionToInsert.detach(),this._positionToInsert=null})},100))}}n(122);class Pp extends xl{constructor(t,e){super(e);const n=e.t;this.focusTracker=new Jc,this.keystrokes=new Uc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("bu"),xh.a,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("bv"),Ch.a,"ck-button-cancel","cancel"),this._focusables=new tl,this._focusCycler=new Nl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this._validators=t,this.setTemplate({tag:"form",attributes:{class:["ck","ck-media-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),vh({view:this}),[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element);const t=t=>t.stopPropagation();this.keystrokes.set("arrowright",t),this.keystrokes.set("arrowleft",t),this.keystrokes.set("arrowup",t),this.keystrokes.set("arrowdown",t),this.listenTo(this.urlInputView.element,"selectstart",(t,e)=>{e.stopPropagation()},{priority:"high"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.inputView.element.value.trim()}set url(t){this.urlInputView.inputView.element.value=t.trim()}isValid(){this.resetFormStatus();for(const t of this._validators){const e=t(this);if(e)return this.urlInputView.errorText=e,!1}return!0}resetFormStatus(){this.urlInputView.errorText=null,this.urlInputView.infoText=null}_createUrlInput(){const t=this.locale.t,e=new kh(this.locale,_h),n=e.inputView;return e.label=t("bw"),n.placeholder="https://example.com",n.on("input",()=>{e.infoText=n.element.value?t("bx"):null}),e}_createButton(t,e,n,i){const o=new Ld(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}}var Mp=n(39),Sp=n.n(Mp);class Ep extends zl{static get requires(){return[Ap]}init(){const t=this.editor,e=t.commands.get("mediaEmbed"),n=t.plugins.get(Ap).registry;t.ui.componentFactory.add("mediaEmbed",i=>{const o=new Pp(function(t,e){return[e=>{if(!e.url.length)return t("aa")},n=>{if(!e.hasMedia(n.url))return t("ab")}]}(t.t,n),i),r=If(i);return this._setUpDropdown(r,o,e,t),this._setUpForm(o,r,e),r})}_setUpDropdown(t,e,n){const i=this.editor,o=i.t,r=t.buttonView;function s(){i.editing.view.focus(),t.isOpen=!1}t.bind("isEnabled").to(n),t.panelView.children.add(e),r.set({label:o("z"),icon:Sp.a,tooltip:!0}),r.on("open",()=>{e.url=n.value||"",e.urlInputView.select(),e.focus()},{priority:"low"}),t.on("submit",()=>{e.isValid()&&(i.execute("mediaEmbed",e.url),s())}),t.on("change:isOpen",()=>e.resetFormStatus()),t.on("cancel",()=>s())}_setUpForm(t,e,n){t.delegate("submit","cancel").to(e),t.urlInputView.bind("value").to(n,"value"),t.urlInputView.bind("isReadOnly").to(n,"isEnabled",t=>!t),t.saveButtonView.bind("isEnabled").to(n)}}n(124);function Ip(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1===e.length?" 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o=n.writer.createElement("tableCell"),r=n.splitToAllowedParent(o,e.modelCursor);if(!r)return;n.writer.insert(o,r.position),n.consumable.consume(i,{name:!0});const s=n.writer.createPositionAt(o,0);n.convertChildren(i,s),o.childCount||n.writer.insertElement("paragraph",s),e.modelRange=n.writer.createRange(n.writer.createPositionBefore(o),n.writer.createPositionAfter(o)),e.modelCursor=e.modelRange.end})}}function Up(t){let e=0,n=0;const i=Array.from(t.getChildren()).filter(t=>"th"===t.name||"td"===t.name);for(;n<i.length&&"th"===i[n].name;){const t=i[n];e+=parseInt(t.getAttribute("colspan")||1),n++}return e}class Hp{constructor(t,e={}){this.table=t,this.startRow=e.startRow||0,this.endRow="number"==typeof e.endRow?e.endRow:void 0,this.includeSpanned=!!e.includeSpanned,this.column="number"==typeof e.column?e.column:void 0,this._skipRows=new Set,this._row=0,this._column=0,this._cell=0,this._spannedCells=new Map}[Symbol.iterator](){return this}next(){const t=this.table.getChild(this._row);if(!t||this._isOverEndRow())return{done:!0};if(this._isSpanned(this._row,this._column)){const t=this._column,e=this._formatOutValue(void 0,t);return this._column++,!this.includeSpanned||this._shouldSkipRow()||this._shouldSkipColumn(t,1)?this.next():e}const e=t.getChild(this._cell);if(!e)return this._row++,this._column=0,this._cell=0,this.next();const n=parseInt(e.getAttribute("colspan")||1),i=parseInt(e.getAttribute("rowspan")||1);(n>1||i>1)&&this._recordSpans(this._row,this._column,i,n);const o=this._column,r=this._formatOutValue(e,o,i,n);return this._column++,this._cell++,this._shouldSkipRow()||this._shouldSkipColumn(o,n)?this.next():r}skipRow(t){this._skipRows.add(t)}_isOverEndRow(){return void 0!==this.endRow&&this._row>this.endRow}_formatOutValue(t,e,n=1,i=1){return{done:!1,value:{cell:t,row:this._row,column:e,rowspan:n,colspan:i,cellIndex:this._cell}}}_shouldSkipRow(){const t=this._row<this.startRow,e=this._skipRows.has(this._row);return 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r=t&&t.asWidget,s=i.writer.createContainerElement("figure",{class:"table"}),a=i.writer.createContainerElement("table");let c;i.writer.insert(i.writer.createPositionAt(s,0),a),r&&(c=function(t,e){return e.setCustomProperty(qp,!0,t),Xu(t,e,{hasSelectionHandler:!0})}(s,i.writer));const l=new Hp(o),d={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0};for(const e of l){const{row:n,cell:r}=e,s=rg(og(n,d),a,i),c=ng(o.getChild(n),n,s,i);i.consumable.consume(r,"insert"),eg(e,d,i.writer.createPositionAt(c,"end"),i,t)}const u=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(o,r?c:s),i.writer.insert(u,r?c:s)})}function Qp(t={}){return e=>e.on("insert:tableRow",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,"insert"))return;const r=o.parent,s=lg(i.mapper.toViewElement(r)),a=r.getChildIndex(o),c=new Hp(r,{startRow:a,endRow:a}),l={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0};for(const e 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s;if(i){s=eh(o.createEditableElement(e,r.getAttributes()),o),o.insert(o.createPositionAfter(r),s),o.move(o.createRangeIn(r),o.createPositionAt(s,0)),o.remove(o.createRangeOn(r))}else s=o.rename(e,r);n.mapper.bindElements(t,s)}function tg(t,e,n,i){const{cell:o}=t,r=ig(t,e),s=n.mapper.toViewElement(o);s&&s.name!==r&&Xp(o,r,n,i)}function eg(t,e,n,i,o){const r=o&&o.asWidget,s=ig(t,e),a=r?eh(i.writer.createEditableElement(s),i.writer):i.writer.createContainerElement(s),c=t.cell,l=1===c.childCount&&"paragraph"===c.getChild(0).name;if(i.writer.insert(n,a),l){const t=c.getChild(0),e=i.writer.createPositionAt(a,"end");if(i.consumable.consume(t,"insert"),o.asWidget){const n=[...t.getAttributeKeys()].length?"p":"span",o=i.writer.createContainerElement(n);i.mapper.bindElements(t,o),i.writer.insert(e,o),i.mapper.bindElements(c,a)}else i.mapper.bindElements(c,a),i.mapper.bindElements(t,a)}else i.mapper.bindElements(c,a)}function ng(t,e,n,i){let 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t.getChildren())if("table"===e.name)return e}class dg extends zl{static get pluginName(){return"TableUtils"}getCellLocation(t){const e=t.parent,n=e.parent,i=n.getChildIndex(e),o=new Hp(n,{startRow:i,endRow:i});for(const{cell:e,row:n,column:i}of o)if(e===t)return{row:n,column:i}}createTable(t,e,n){const i=t.createElement("table");return ug(t,i,0,e,n),i}insertRows(t,e={}){const n=this.editor.model,i=e.at||0,o=e.rows||1;n.change(e=>{const n=t.getAttribute("headingRows")||0;if(n>i&&e.setAttribute("headingRows",n+o,t),0===i||i===t.childCount)return void ug(e,t,i,o,this.getColumns(t));const r=new Hp(t,{endRow:i});let s=0;for(const{row:t,rowspan:n,colspan:a,cell:c}of r){t<i&&t+n>i&&e.setAttribute("rowspan",n+o,c),t===i&&(s+=a)}ug(e,t,i,o,s)})}insertColumns(t,e={}){const n=this.editor.model,i=e.at||0,o=e.columns||1;n.change(e=>{const n=t.getAttribute("headingColumns");i<n&&e.setAttribute("headingColumns",n+o,t);const r=this.getColumns(t);if(0===i||r===i){for(const n of t.getChildren())hg(o,e,e.createPositionAt(n,i?"end":0));return}const s=new Hp(t,{column:i,includeSpanned:!0});for(const{row:n,column:r,cell:a,colspan:c,rowspan:l,cellIndex:d}of s)if(r!==i){if(e.setAttribute("colspan",c+o,a),s.skipRow(n),l>1)for(let t=n+1;t<n+l;t++)s.skipRow(t)}else{const i=e.createPositionAt(t.getChild(n),d);hg(o,e,i)}})}splitCellVertically(t,e=2){const n=this.editor.model,i=t.parent.parent,o=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(r>1){const{newCellsSpan:i,updatedSpan:s}=fg(r,e);Vp("colspan",s,t,n);const a={};i>1&&(a.colspan=i),o>1&&(a.rowspan=o),hg(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Hp(i)],{column:c}=a.find(({cell:e})=>e===t),l=a.filter(({cell:e,colspan:n,column:i})=>{return e!==t&&i===c||i<c&&i+n>c});for(const{cell:t,colspan:e}of l)n.setAttribute("colspan",e+s,t);const d={};o>1&&(d.rowspan=o),hg(s,n,n.createPositionAfter(t),d);const u=i.getAttribute("headingColumns")||0;u>c&&Vp("headingColumns",u+s,i,n)}})}splitCellHorizontally(t,e=2){const n=this.editor.model,i=t.parent,o=i.parent,r=o.getChildIndex(i),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(s>1){const i=[...new Hp(o,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:c,updatedSpan:l}=fg(s,e);Vp("rowspan",l,t,n);const{column:d}=i.find(({cell:e})=>e===t),u={};c>1&&(u.rowspan=c),a>1&&(u.colspan=a);for(const{column:t,row:e,cellIndex:s}of i){if(e>=r+l&&t===d&&(e+r+l)%c==0){hg(1,n,n.createPositionAt(o.getChild(e),s),u)}}}if(s<e){const i=e-s,c=[...new Hp(o,{startRow:0,endRow:r})];for(const{cell:e,rowspan:o,row:s}of c)if(e!==t&&s+o>r){const t=o+i;n.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),ug(n,o,r+1,i,1,l);const d=o.getAttribute("headingRows")||0;d>r&&Vp("headingRows",d+i,o,n)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>{return t+parseInt(e.getAttribute("colspan")||1)},0)}}function ug(t,e,n,i,o,r={}){for(let s=0;s<i;s++){const i=t.createElement("tableRow");t.insert(i,e,n),hg(o,t,t.createPositionAt(i,"end"),r)}}function hg(t,e,n,i={}){for(let o=0;o<t;o++)zp(e,n,i)}function fg(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}class mg extends ql{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,i=function(t){const e=t.parent;return e===e.root?e:e.parent}(e.getFirstPosition());this.isEnabled=n.checkChild(i,"table")}execute(t={}){const e=this.editor.model,n=e.document.selection,i=this.editor.plugins.get(dg),o=parseInt(t.rows)||2,r=parseInt(t.columns)||2,s=nh(n,e);e.change(t=>{const n=i.createTable(t,o,r);e.insertContent(n,s),t.setSelection(t.createPositionAt(n.getNodeByPath([0,0,0]),0))})}}class pg extends ql{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=jp("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get(dg),i=jp("tableCell",e.getFirstPosition()).parent,o=i.parent,r=o.getChildIndex(i),s="below"===this.order?r+1:r;n.insertRows(o,{rows:1,at:s})}}class gg extends ql{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=jp("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get(dg),i=jp("tableCell",e.getFirstPosition()),o=i.parent.parent,{column:r}=n.getCellLocation(i),s="right"===this.order?r+1:r;n.insertColumns(o,{columns:1,at:s})}}class bg extends ql{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=jp("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=jp("tableCell",this.editor.model.document.selection.getFirstPosition()),e="horizontally"===this.direction,n=this.editor.plugins.get(dg);e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}class wg extends ql{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.isEnabled=!!t,this.value=t}execute(){const t=this.editor.model,e=jp("tableCell",t.document.selection.getFirstPosition()),n=this.value,i=this.direction;t.change(t=>{const o="right"==i||"down"==i,r=o?e:n,s=o?n:e,a=s.parent;!function(t,e,n){kg(t)||(kg(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end")));n.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),d=parseInt(n.getAttribute(c)||1);t.setAttribute(c,l+d,r),t.setSelection(t.createRangeIn(r)),a.childCount||function(t,e){const n=t.parent,i=n.getChildIndex(t);for(const{cell:t,row:o,rowspan:r}of new Hp(n,{endRow:i})){const n=o+r-1>=i;n&&Vp("rowspan",r-1,t,e)}e.remove(t)}(a,t)})}_getMergeableCell(){const t=jp("tableCell",this.editor.model.document.selection.getFirstPosition());if(!t)return;const e=this.editor.plugins.get(dg),n=this.isHorizontal?function(t,e,n){const i="right"==e?t.nextSibling:t.previousSibling;if(!i)return;const o="right"==e?t:i,r="right"==e?i:t,{column:s}=n.getCellLocation(o),{column:a}=n.getCellLocation(r),c=parseInt(o.getAttribute("colspan")||1);return s+c===a?i:void 0}(t,this.direction,e):function(t,e){const n=t.parent,i=n.parent,o=i.getChildIndex(n);if("down"==e&&o===i.childCount-1||"up"==e&&0===o)return;const r=parseInt(t.getAttribute("rowspan")||1),s=i.getAttribute("headingRows")||0;if(s&&("down"==e&&o+r===s||"up"==e&&o===s))return;const a=parseInt(t.getAttribute("rowspan")||1),c="down"==e?o+a:o,l=[...new Hp(i,{endRow:c})],d=l.find(e=>e.cell===t).column,u=l.find(({row:t,rowspan:n,column:i})=>i===d&&("down"==e?t===c:c===t+n));return u&&u.cell}(t,this.direction);if(!n)return;const i=this.isHorizontal?"rowspan":"colspan",o=parseInt(t.getAttribute(i)||1);return parseInt(n.getAttribute(i)||1)===o?n:void 0}}function kg(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}class _g extends ql{refresh(){const t=jp("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t&&t.parent.parent.childCount>1}execute(){const t=this.editor.model,e=jp("tableCell",t.document.selection.getFirstPosition()).parent,n=e.parent,i=n.getChildIndex(e),o=n.getAttribute("headingRows")||0;t.change(t=>{o&&i<=o&&Vp("headingRows",o-1,n,t,0);const r=[...new Hp(n,{endRow:i})],s=new Map;r.filter(({row:t,rowspan:e})=>t===i&&e>1).forEach(({column:t,cell:e,rowspan:n})=>s.set(t,{cell:e,rowspanToSet:n-1})),r.filter(({row:t,rowspan:e})=>t<=i-1&&t+e>i).forEach(({cell:e,rowspan:n})=>Vp("rowspan",n-1,e,t));const a=i+1,c=new Hp(n,{includeSpanned:!0,startRow:a,endRow:a});let l;for(const{row:e,column:i,cell:o}of[...c])if(s.has(i)){const{cell:o,rowspanToSet:r}=s.get(i),a=l?t.createPositionAfter(l):t.createPositionAt(n.getChild(e),0);t.move(t.createRangeOn(o),a),Vp("rowspan",r,o,t),l=o}else l=o;t.remove(e)})}}class vg extends ql{refresh(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get(dg),i=jp("tableCell",e.getFirstPosition());this.isEnabled=!!i&&n.getColumns(i.parent.parent)>1}execute(){const t=this.editor.model,e=jp("tableCell",t.document.selection.getFirstPosition()),n=e.parent,i=n.parent,o=i.getAttribute("headingColumns")||0,r=i.getChildIndex(n),s=[...new Hp(i)],a=s.find(t=>t.cell===e).column;t.change(t=>{o&&r<=o&&t.setAttribute("headingColumns",o-1,i);for(const{cell:e,column:n,colspan:i}of s)n<=a&&i>1&&n+i>a?Vp("colspan",i-1,e,t):n===a&&t.remove(e)})}}class yg extends ql{refresh(){const t=jp("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(){const t=this.editor.model,e=jp("tableCell",t.document.selection.getFirstPosition()).parent,n=e.parent,i=n.getAttribute("headingRows")||0,o=e.index,r=i>o?o:o+1;t.change(t=>{if(r){const e=function(t,e,n){const i=[],o=new Hp(t,{startRow:e>n?n:0,endRow:e-1});for(const{row:t,rowspan:n,cell:r}of o)n>1&&t+n>e&&i.push(r);return i}(n,r,i);for(const n of e)xg(n,r,t)}Vp("headingRows",r,n,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}function xg(t,e,n){const i=t.parent,o=i.parent,r=e-i.index,s={},a=parseInt(t.getAttribute("rowspan"))-r;a>1&&(s.rowspan=a);const c=o.getChildIndex(i),l=c+r,d=[...new Hp(o,{startRow:c,endRow:l,includeSpanned:!0})];let u;for(const{row:e,column:i,cell:r,colspan:a,cellIndex:c}of d)if(r===t&&(u=i,a>1&&(s.colspan=a)),void 0!==u&&u===i&&e===l){const t=o.getChild(e);zp(n,n.createPositionAt(t,c),s)}Vp("rowspan",r,t,n)}class Ag extends ql{refresh(){const t=jp("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(){const t=this.editor.model,e=t.document.selection,n=this.editor.plugins.get("TableUtils"),i=jp("tableCell",e.getFirstPosition().parent),o=i.parent.parent,r=parseInt(o.getAttribute("headingColumns")||0),{column:s}=n.getCellLocation(i),a=r>s?s:s+1;t.change(t=>{Vp("headingColumns",a,o,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingColumns")||0),i=this.editor.plugins.get("TableUtils"),{column:o}=i.getCellLocation(t);return!!n&&o<n}}function Cg(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.differ.getChanges();let i=!1;const o=new Set;for(const e of n){let n;"table"==e.name&&"insert"==e.type&&(n=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(n=jp("table",e.position)),Mg(e)&&(n=jp("table",e.range.start)),n&&!o.has(n)&&(i=Tg(n,t)||i,i=Pg(n,t)||i,o.add(n))}return i})(e,t))}function Tg(t,e){let n=!1;const i=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=t.childCount,i=[];for(const{row:o,rowspan:r,cell:s}of new Hp(t)){if(r<2)continue;const t=o<e,a=t?e:n;if(o+r>a){const t=a-o;i.push({cell:s,rowspan:t})}}return i}(t);if(i.length){n=!0;for(const t of i)Vp("rowspan",t.rowspan,t.cell,e,1)}return n}function Pg(t,e){let n=!1;const i=function(t){const e={};for(const{row:n}of new Hp(t,{includeSpanned:!0}))e[n]||(e[n]=0),e[n]+=1;return e}(t),o=i[0];if(!Object.values(i).every(t=>t===o)){const o=Object.values(i).reduce((t,e)=>e>t?e:t,0);for(const[r,s]of Object.entries(i)){const i=o-s;if(i){for(let n=0;n<i;n++)zp(e,e.createPositionAt(t.getChild(r),"end"));n=!0}}}return n}function Mg(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function Sg(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.differ.getChanges();let i=!1;for(const e of n)"remove"==e.type&&e.position.parent.is("tableCell")&&(i=Ng(e.position.parent,t)||i),"insert"==e.type&&("table"==e.name&&(i=Eg(e.position.nodeAfter,t)||i),"tableRow"==e.name&&(i=Ig(e.position.nodeAfter,t)||i),"tableCell"==e.name&&(i=Ng(e.position.nodeAfter,t)||i));return i})(e,t))}function Eg(t,e){let n=!1;for(const i of t.getChildren())n=Ig(i,e)||n;return n}function Ig(t,e){let n=!1;for(const i of t.getChildren())n=Ng(i,e)||n;return n}function Ng(t,e){return 0==t.childCount&&(e.insertElement("paragraph",t),!0)}function Og(t,e){e.view.document.registerPostFixer(n=>(function(t,e,n,i){let o=!1;const r=function(t){const e=Array.from(t._renderer.markedAttributes).filter(t=>!!t.parent).filter(Dg).filter(t=>Lg(t.parent)),n=Array.from(t._renderer.markedChildren).filter(t=>!!t.parent).filter(Lg).reduce((t,e)=>{const n=Array.from(e.getChildren()).filter(Dg);return[...t,...n]},[]);return[...e,...n]}(i);for(const e of r)o=Rg(e,n,t)||o;o&&function(t,e,n){const i=Array.from(t.getRanges()).map(t=>e.toViewRange(t));n.setSelection(i,{backward:t.isBackward})}(e.document.selection,n,t);return o})(n,t,e.mapper,e.view))}function Rg(t,e,n){const i=e.toModelElement(t),o=function(t,e){const n=t.childCount>1,i=!![...e.getAttributes()].length;return n||i?"p":"span"}(i.parent,i);if(t.name!==o){e.unbindViewElement(t);const r=n.rename(o,t);return e.bindElements(i,r),!0}return!1}function Dg(t){return t.is("p")||t.is("span")}function Lg(t){return t.is("td")||t.is("th")}n(126);class jg extends zl{init(){const t=this.editor,e=t.model,n=e.schema,i=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),n.addChildCheck((t,e)=>{if(Array.from(t.getNames()).includes("table"))return"image"!=e.name&&"media"!=e.name&&void 0}),i.for("upcast").add(Bp()),i.for("editingDowncast").add(Gp({asWidget:!0})),i.for("dataDowncast").add(Gp()),i.for("upcast").add(Oa({model:"tableRow",view:"tr"})),i.for("editingDowncast").add(Qp({asWidget:!0})),i.for("dataDowncast").add(Qp()),i.for("downcast").add(t=>t.on("remove:tableRow",(t,e,n)=>{t.stop();const i=n.writer,o=n.mapper,r=o.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is("tr")).nodeAfter,s=r.parent,a=i.createRangeOn(r),c=i.remove(a);for(const t of i.createRangeIn(c).getItems())o.unbindViewElement(t);s.childCount||i.remove(i.createRangeOn(s))},{priority:"higher"})),i.for("upcast").add(Fp("td")),i.for("upcast").add(Fp("th")),i.for("editingDowncast").add(Kp({asWidget:!0})),i.for("dataDowncast").add(Kp()),i.attributeToAttribute({model:"colspan",view:"colspan"}),i.attributeToAttribute({model:"rowspan",view:"rowspan"}),i.for("editingDowncast").add(Zp({asWidget:!0})),i.for("dataDowncast").add(Zp()),i.for("editingDowncast").add(Jp({asWidget:!0})),i.for("dataDowncast").add(Jp()),Og(t.model,t.editing),t.commands.add("insertTable",new mg(t)),t.commands.add("insertTableRowAbove",new pg(t,{order:"above"})),t.commands.add("insertTableRowBelow",new pg(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new gg(t,{order:"left"})),t.commands.add("insertTableColumnRight",new gg(t,{order:"right"})),t.commands.add("removeTableRow",new _g(t)),t.commands.add("removeTableColumn",new vg(t)),t.commands.add("splitTableCellVertically",new bg(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new bg(t,{direction:"horizontally"})),t.commands.add("mergeTableCellRight",new wg(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new wg(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new wg(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new wg(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new Ag(t)),t.commands.add("setTableRowHeader",new yg(t)),Cg(e),Sg(e),this.editor.keystrokes.set("Tab",(...t)=>this._handleTabOnSelectedTable(...t),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"})}static get requires(){return[dg]}_handleTabOnSelectedTable(t,e){const n=this.editor,i=n.model.document.selection;if(!i.isCollapsed&&1===i.rangeCount&&i.getFirstRange().isFlat){const t=i.getSelectedElement();if(!t||!t.is("table"))return;e(),n.model.change(e=>{e.setSelection(e.createRangeIn(t.getChild(0).getChild(0)))})}}_getTabHandler(t){const e=this.editor;return(n,i)=>{const o=jp("tableCell",e.model.document.selection.getFirstPosition());if(!o)return;i();const r=o.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(o),l=0===c;if(!t&&l&&0===a)return;const d=c===r.childCount-1,u=a===s.childCount-1;let h;if(t&&u&&d&&e.plugins.get(dg).insertRows(s,{at:s.childCount}),t&&d){const t=s.getChild(a+1);h=t.getChild(0)}else if(!t&&l){const t=s.getChild(a-1);h=t.getChild(t.childCount-1)}else h=r.getChild(c+(t?1:-1));e.model.change(t=>{t.setSelection(t.createRangeIn(h))})}}}n(128);class Vg extends xl{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(t,e)=>`${e} x ${t}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(()=>{this.fire("execute")})}});for(let t=0;t<100;t++){const e=new zg;e.on("over",()=>{const e=Math.floor(t/10),n=t%10;this.set("rows",e+1),this.set("columns",n+1)}),this.items.add(e)}this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map((n,i)=>{const o=Math.floor(i/10)<t&&i%10<e;n.set("isOn",o)})}}class zg extends xl{constructor(t){super(t);const e=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",e.if("isOn","ck-on")]},on:{mouseover:e.to("over")}})}}var Bg=n(40),Fg=n.n(Bg),Ug=n(41),Hg=n.n(Ug),qg=n(42),Wg=n.n(qg),Yg=n(43),$g=n.n(Yg);class Gg extends zl{init(){const t=this.editor,e=this.editor.t;t.ui.componentFactory.add("insertTable",n=>{const i=t.commands.get("insertTable"),o=If(n);o.bind("isEnabled").to(i),o.buttonView.set({icon:Fg.a,label:e("aq"),tooltip:!0});const r=new Vg(n);return o.panelView.children.add(r),r.delegate("execute").to(o),o.buttonView.on("open",()=>{r.rows=0,r.columns=0}),o.on("execute",()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()}),o}),t.ui.componentFactory.add("tableColumn",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("ar"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableColumnLeft",label:e("as")}},{type:"button",model:{commandName:"insertTableColumnRight",label:e("at")}},{type:"button",model:{commandName:"removeTableColumn",label:e("au")}}];return this._prepareDropdown(e("av"),Hg.a,n,t)}),t.ui.componentFactory.add("tableRow",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("aw"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowBelow",label:e("ax")}},{type:"button",model:{commandName:"insertTableRowAbove",label:e("ay")}},{type:"button",model:{commandName:"removeTableRow",label:e("az")}}];return this._prepareDropdown(e("ba"),Wg.a,n,t)}),t.ui.componentFactory.add("mergeTableCells",t=>{const n=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("bb")}},{type:"button",model:{commandName:"mergeTableCellRight",label:e("bc")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("bd")}},{type:"button",model:{commandName:"mergeTableCellLeft",label:e("be")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("bf")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("bg")}}];return this._prepareDropdown(e("bh"),$g.a,n,t)})}_prepareDropdown(t,e,n,i){const o=this.editor,r=If(i),s=[],a=new Xi;for(const t of n)Qg(t,o,s,a);return Of(r,a),r.buttonView.set({label:t,icon:e,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...t)=>t.some(t=>t)),this.listenTo(r,"execute",t=>{o.execute(t.source.commandName),o.editing.view.focus()}),r}}function Qg(t,e,n,i){const o=t.model=new vf(t.model),{commandName:r,bindIsOn:s}=t.model;if("separator"!==t.type){const t=e.commands.get(r);n.push(t),o.set({commandName:r}),o.bind("isEnabled").to(t),s&&o.bind("isOn").to(t,"value")}o.set({withText:!0}),i.add(t)}n(130);const Kg=["left","right","center","justify"];function Jg(t){return Kg.includes(t)}function Zg(t){return"left"===t}const Xg="alignment";class tb extends ql{refresh(){const t=pu(this.editor.model.document.selection.getSelectedBlocks());this.isEnabled=!!t&&this._canBeAligned(t),this.value=this.isEnabled&&t.hasAttribute("alignment")?t.getAttribute("alignment"):"left"}execute(t={}){const e=this.editor.model,n=e.document,i=t.value;e.change(t=>{const e=Array.from(n.selection.getSelectedBlocks()).filter(t=>this._canBeAligned(t)),o=e[0].getAttribute("alignment");Zg(i)||o===i||!i?function(t,e){for(const n of t)e.removeAttribute(Xg,n)}(e,t):function(t,e,n){for(const i of t)e.setAttribute(Xg,n,i)}(e,t,i)})}_canBeAligned(t){return this.editor.model.schema.checkAttribute(t,Xg)}}class eb extends zl{constructor(t){super(t),t.config.define("alignment",{options:[...Kg]})}init(){const t=this.editor,e=t.model.schema,n=t.config.get("alignment.options").filter(Jg);e.extend("$block",{allowAttributes:"alignment"});const i=function(t){const e={model:{key:"alignment",values:t.slice()},view:{}};for(const n of t)e.view[n]={key:"style",value:{"text-align":n}};return e}(n.filter(t=>!Zg(t)));t.conversion.attributeToAttribute(i),t.commands.add("alignment",new tb(t))}}var nb=n(17),ib=n.n(nb),ob=n(44),rb=n.n(ob),sb=n(45),ab=n.n(sb),cb=n(46),lb=n.n(cb);const db=new Map([["left",ib.a],["right",rb.a],["center",ab.a],["justify",lb.a]]);class ub extends zl{get localizedOptionTitles(){const t=this.editor.t;return{left:t("ac"),right:t("ad"),center:t("ae"),justify:t("af")}}static get pluginName(){return"AlignmentUI"}init(){const t=this.editor,e=t.ui.componentFactory,n=t.t,i=t.config.get("alignment.options");i.filter(Jg).forEach(t=>this._addButton(t)),e.add("alignment",t=>{const o=If(t),r=i.map(t=>e.create(`alignment:${t}`));Nf(o,r),o.buttonView.set({label:n("ag"),tooltip:!0}),o.toolbarView.isVertical=!0,o.extendTemplate({attributes:{class:"ck-alignment-dropdown"}});const s=ib.a;return o.buttonView.bind("icon").toMany(r,"isOn",(...t)=>{const e=t.findIndex(t=>t);return e<0?s:r[e].icon}),o.bind("isEnabled").toMany(r,"isEnabled",(...t)=>t.some(t=>t)),o})}_addButton(t){const e=this.editor;e.ui.componentFactory.add(`alignment:${t}`,n=>{const i=e.commands.get("alignment"),o=new Ld(n);return o.set({label:this.localizedOptionTitles[t],icon:db.get(t),tooltip:!0}),o.bind("isEnabled").to(i),o.bind("isOn").to(i,"value",e=>e===t),this.listenTo(o,"execute",()=>{e.execute("alignment",{value:t}),e.editing.view.focus()}),o})}}class hb extends ql{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute(this.attributeKey),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,i=t.value;e.change(t=>{if(n.isCollapsed)i?t.setSelectionAttribute(this.attributeKey,i):t.removeSelectionAttribute(this.attributeKey);else{const o=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of o)i?t.setAttribute(this.attributeKey,i,e):t.removeAttribute(this.attributeKey,e)}})}}class fb extends hb{constructor(t){super(t,"fontFamily")}}function mb(t){return t.map(pb).filter(t=>!!t)}function pb(t){return"object"==typeof t?t:"default"===t?{title:"Default",model:void 0}:"string"==typeof t?function(t){const e=t.replace(/"|'/g,"").split(","),n=e[0],i=e.map(gb).join(", ");return{title:n,model:n,view:{name:"span",styles:{"font-family":i},priority:5}}}(t):void 0}function gb(t){return(t=t.trim()).indexOf(" ")>0&&(t=`'${t}'`),t}function bb(t,e){const n={model:{key:t,values:[]},view:{},upcastAlso:{}};for(const t of e)n.model.values.push(t.model),n.view[t.model]=t.view,t.upcastAlso&&(n.upcastAlso[t.model]=t.upcastAlso);return n}const wb="fontFamily";class kb extends zl{constructor(t){super(t),t.config.define(wb,{options:["default","Arial, Helvetica, sans-serif","Courier New, Courier, monospace","Georgia, serif","Lucida Sans Unicode, Lucida Grande, sans-serif","Tahoma, Geneva, sans-serif","Times New Roman, Times, serif","Trebuchet MS, Helvetica, sans-serif","Verdana, Geneva, sans-serif"]})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:wb});const e=mb(t.config.get("fontFamily.options")).filter(t=>t.model),n=bb(wb,e);t.conversion.attributeToElement(n),t.commands.add(wb,new fb(t))}}var _b=n(47),vb=n.n(_b);class yb extends zl{init(){const t=this.editor,e=t.t,n=this._getLocalizedOptions(),i=t.commands.get("fontFamily");t.ui.componentFactory.add("fontFamily",o=>{const r=If(o);return Of(r,function(t,e){const n=new Xi;for(const i of t){const t={type:"button",model:new vf({commandName:"fontFamily",commandParam:i.model,label:i.title,withText:!0})};t.model.bind("isOn").to(e,"value",t=>t===i.model),i.view&&i.view.styles&&t.model.set("labelStyle",`font-family: ${i.view.styles["font-family"]}`),n.add(t)}return n}(n,i)),r.buttonView.set({label:e("bt"),icon:vb.a,tooltip:!0}),r.extendTemplate({attributes:{class:"ck-font-family-dropdown"}}),r.bind("isEnabled").to(i),this.listenTo(r,"execute",e=>{t.execute(e.source.commandName,{value:e.source.commandParam}),t.editing.view.focus()}),r})}_getLocalizedOptions(){const t=this.editor,e=t.t;return mb(t.config.get("fontFamily.options")).map(t=>("Default"===t.title&&(t.title=e("bo")),t))}}class xb extends zl{static get requires(){return[kb,yb]}static get pluginName(){return"FontFamily"}}class Ab extends hb{constructor(t){super(t,"fontSize")}}function Cb(t){return t.map(Pb).filter(t=>!!t)}const Tb={tiny:{title:"Tiny",model:"tiny",view:{name:"span",classes:"text-tiny",priority:5}},small:{title:"Small",model:"small",view:{name:"span",classes:"text-small",priority:5}},big:{title:"Big",model:"big",view:{name:"span",classes:"text-big",priority:5}},huge:{title:"Huge",model:"huge",view:{name:"span",classes:"text-huge",priority:5}}};function Pb(t){if("object"==typeof t)return t;if(Tb[t])return Tb[t];if("default"===t)return{model:void 0,title:"Default"};const e=parseFloat(t);return isNaN(e)?void 0:function(t){return{title:String(t),model:t,view:{name:"span",styles:{"font-size":`${t}px`},priority:5}}}(e)}const Mb="fontSize";class Sb extends zl{constructor(t){super(t),t.config.define(Mb,{options:["tiny","small","default","big","huge"]});const e=Cb(this.editor.config.get("fontSize.options")).filter(t=>t.model),n=bb(Mb,e);t.conversion.attributeToElement(n),t.commands.add(Mb,new Ab(t))}init(){this.editor.model.schema.extend("$text",{allowAttributes:Mb})}}var Eb=n(48),Ib=n.n(Eb);n(132);class Nb extends zl{init(){const t=this.editor,e=t.t,n=this._getLocalizedOptions(),i=t.commands.get("fontSize");t.ui.componentFactory.add("fontSize",o=>{const r=If(o);return Of(r,function(t,e){const n=new Xi;for(const i of t){const t={type:"button",model:new vf({commandName:"fontSize",commandParam:i.model,label:i.title,class:"ck-fontsize-option",withText:!0})};i.view&&i.view.styles&&t.model.set("labelStyle",`font-size:${i.view.styles["font-size"]}`),i.view&&i.view.classes&&t.model.set("class",`${t.model.class} ${i.view.classes}`),t.model.bind("isOn").to(e,"value",t=>t===i.model),n.add(t)}return n}(n,i)),r.buttonView.set({label:e("bn"),icon:Ib.a,tooltip:!0}),r.extendTemplate({attributes:{class:["ck-font-size-dropdown"]}}),r.bind("isEnabled").to(i),this.listenTo(r,"execute",e=>{t.execute(e.source.commandName,{value:e.source.commandParam}),t.editing.view.focus()}),r})}_getLocalizedOptions(){const t=this.editor,e=t.t,n={Default:e("bo"),Tiny:e("bp"),Small:e("bq"),Big:e("br"),Huge:e("bs")};return Cb(t.config.get("fontSize.options")).map(t=>{const e=n[t.title];return e&&e!=t.title&&(t=Object.assign({},t,{title:e})),t})}}class Ob extends zl{static get requires(){return[Sb,Nb]}static get pluginName(){return"FontSize"}}const Rb="underline";class Db extends zl{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Rb}),t.conversion.attributeToElement({model:Rb,view:"u",upcastAlso:{styles:{"text-decoration":"underline"}}}),t.commands.add(Rb,new nu(t,Rb)),t.keystrokes.set("CTRL+U","underline")}}var Lb=n(49),jb=n.n(Lb);const Vb="underline";class zb extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Vb,n=>{const i=t.commands.get(Vb),o=new Ld(n);return o.set({label:e("d"),icon:jb.a,keystroke:"CTRL+U",tooltip:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(Vb)),o})}}const Bb="strikethrough";class Fb extends zl{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Bb}),t.conversion.attributeToElement({model:Bb,view:"s",upcastAlso:["del","strike",{styles:{"text-decoration":"line-through"}}]}),t.commands.add(Bb,new nu(t,Bb)),t.keystrokes.set("CTRL+SHIFT+X","strikethrough")}}var Ub=n(50),Hb=n.n(Ub);const qb="strikethrough";class Wb extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(qb,n=>{const i=t.commands.get(qb),o=new Ld(n);return o.set({label:e("e"),icon:Hb.a,keystroke:"CTRL+SHIFT+X",tooltip:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(qb)),o})}}const Yb="code";class $b extends zl{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Yb}),t.conversion.attributeToElement({model:Yb,view:"code",upcastAlso:{styles:{"word-wrap":"break-word"}}}),t.commands.add(Yb,new nu(t,Yb))}}var Gb=n(51),Qb=n.n(Gb);n(20);const Kb="code";class Jb extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Kb,n=>{const i=t.commands.get(Kb),o=new Ld(n);return o.set({label:e("f"),icon:Qb.a,tooltip:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(Kb)),o})}}const Zb="subscript";class Xb extends zl{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Zb}),t.conversion.attributeToElement({model:Zb,view:"sub",upcastAlso:[{styles:{"vertical-align":"sub"}}]}),t.commands.add(Zb,new nu(t,Zb))}}var tw=n(52),ew=n.n(tw);const nw="subscript";class iw extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(nw,n=>{const i=t.commands.get(nw),o=new Ld(n);return o.set({label:e("g"),icon:ew.a,tooltip:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(nw)),o})}}const ow="superscript";class rw extends zl{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:ow}),t.conversion.attributeToElement({model:ow,view:"sup",upcastAlso:[{styles:{"vertical-align":"super"}}]}),t.commands.add(ow,new nu(t,ow))}}var sw=n(53),aw=n.n(sw);const cw="superscript";class lw extends zl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(cw,n=>{const i=t.commands.get(cw),o=new Ld(n);return o.set({label:e("h"),icon:aw.a,tooltip:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(cw)),o})}}class dw extends ql{refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("highlight"),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"highlight")}execute(t={}){const e=this.editor.model,n=e.document.selection,i=t.value;e.change(t=>{const o=e.schema.getValidRanges(n.getRanges(),"highlight");if(n.isCollapsed){const e=n.getFirstPosition();if(n.hasAttribute("highlight")){const n=t=>t.item.hasAttribute("highlight")&&t.item.getAttribute("highlight")===this.value,o=e.getLastMatchingPosition(n,{direction:"backward"}),r=e.getLastMatchingPosition(n),s=t.createRange(o,r);i&&this.value!==i?(t.setAttribute("highlight",i,s),t.setSelectionAttribute("highlight",i)):(t.removeAttribute("highlight",s),t.removeSelectionAttribute("highlight"))}else i&&t.setSelectionAttribute("highlight",i)}else for(const e of o)i?t.setAttribute("highlight",i,e):t.removeAttribute("highlight",e)})}}class uw extends zl{constructor(t){super(t),t.config.define("highlight",{options:[{model:"yellowMarker",class:"marker-yellow",title:"Yellow marker",color:"var(--ck-highlight-marker-yellow)",type:"marker"},{model:"greenMarker",class:"marker-green",title:"Green marker",color:"var(--ck-highlight-marker-green)",type:"marker"},{model:"pinkMarker",class:"marker-pink",title:"Pink marker",color:"var(--ck-highlight-marker-pink)",type:"marker"},{model:"blueMarker",class:"marker-blue",title:"Blue marker",color:"var(--ck-highlight-marker-blue)",type:"marker"},{model:"redPen",class:"pen-red",title:"Red pen",color:"var(--ck-highlight-pen-red)",type:"pen"},{model:"greenPen",class:"pen-green",title:"Green pen",color:"var(--ck-highlight-pen-green)",type:"pen"}]})}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"highlight"});const e=t.config.get("highlight.options");t.conversion.attributeToElement(function(t){const e={model:{key:"highlight",values:[]},view:{}};for(const n of t)e.model.values.push(n.model),e.view[n.model]={name:"mark",classes:n.class};return e}(e)),t.commands.add("highlight",new dw(t))}}var hw=n(54),fw=n.n(hw),mw=n(55),pw=n.n(mw),gw=n(56),bw=n.n(gw);n(135);class ww extends xl{constructor(t){super(t);const e=this.bindTemplate;this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.actionView=this._createActionView(),this.arrowView=this._createArrowView(),this.keystrokes=new Uc,this.focusTracker=new Jc,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",e.if("isVisible","ck-hidden",t=>!t),this.arrowView.bindTemplate.if("isOn","ck-splitbutton_open")]},children:this.children})}render(){super.render(),this.children.add(this.actionView),this.children.add(this.arrowView),this.focusTracker.add(this.actionView.element),this.focusTracker.add(this.arrowView.element),this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",(t,e)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),e())}),this.keystrokes.set("arrowleft",(t,e)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),e())})}focus(){this.actionView.focus()}_createActionView(){const t=new Ld;return t.bind("icon","isEnabled","isOn","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),t.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),t.delegate("execute").to(this),t}_createArrowView(){const t=new Ld;return t.icon=Cf.a,t.extendTemplate({attributes:{class:"ck-splitbutton__arrow","aria-haspopup":!0}}),t.bind("isEnabled").to(this),t.delegate("execute").to(this,"open"),t}}n(137);class kw extends zl{get localizedOptionTitles(){const t=this.editor.t;return{"Yellow marker":t("ai"),"Green marker":t("aj"),"Pink marker":t("ak"),"Blue marker":t("al"),"Red pen":t("am"),"Green pen":t("an")}}static get pluginName(){return"HighlightUI"}init(){const t=this.editor.config.get("highlight.options");for(const e of t)this._addHighlighterButton(e);this._addRemoveHighlightButton(),this._addDropdown(t)}_addRemoveHighlightButton(){const t=this.editor.t;this._addButton("removeHighlight",t("ao"),bw.a)}_addHighlighterButton(t){const e=this.editor.commands.get("highlight");this._addButton("highlight:"+t.model,t.title,_w(t.type),t.model,function(n){n.bind("isEnabled").to(e,"isEnabled"),n.bind("isOn").to(e,"value",e=>e===t.model),n.iconView.fillColor=t.color})}_addButton(t,e,n,i,o=(()=>{})){const r=this.editor;r.ui.componentFactory.add(t,t=>{const s=new Ld(t),a=this.localizedOptionTitles[e]?this.localizedOptionTitles[e]:e;return s.set({label:a,icon:n,tooltip:!0}),s.on("execute",()=>{r.execute("highlight",{value:i}),r.editing.view.focus()}),o(s),s})}_addDropdown(t){const e=this.editor,n=e.t,i=e.ui.componentFactory,o=t[0],r=t.reduce((t,e)=>(t[e.model]=e,t),{});i.add("highlight",s=>{const a=e.commands.get("highlight"),c=If(s,ww),l=c.buttonView;l.set({tooltip:n("ap"),lastExecuted:o.model,commandValue:o.model}),l.bind("icon").to(a,"value",t=>_w(u(t,"type"))),l.bind("color").to(a,"value",t=>u(t,"color")),l.bind("commandValue").to(a,"value",t=>u(t,"model")),l.bind("isOn").to(a,"value",t=>!!t),l.delegate("execute").to(c);const d=t.map(t=>{const e=i.create("highlight:"+t.model);return this.listenTo(e,"execute",()=>c.buttonView.set({lastExecuted:t.model})),e});function u(t,e){const n=t&&t!==l.lastExecuted?t:l.lastExecuted;return r[n][e]}return c.bind("isEnabled").toMany(d,"isEnabled",(...t)=>t.some(t=>t)),d.push(new Rl),d.push(i.create("removeHighlight")),Nf(c,d),function(t){t.buttonView.actionView.iconView.bind("fillColor").to(t.buttonView,"color")}(c),l.on("execute",()=>{e.execute("highlight",{value:l.commandValue}),e.editing.view.focus()}),c})}}function _w(t){return"marker"===t?fw.a:pw.a}n.d(e,"default",function(){return vw});class vw extends Vl{}vw.builtinPlugins=[class extends zl{static get requires(){return[Hl,Ql,Xl,gd,Ud]}static get pluginName(){return"Essentials"}},Jd,class extends zl{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&new Xd(this.editor,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&new Xd(this.editor,/^\d+[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const t=this.editor.commands;t.get("bold")&&(new tu(this.editor,/(\*\*)([^*]+)(\*\*)$/g,"bold"),new tu(this.editor,/(__)([^_]+)(__)$/g,"bold")),t.get("italic")&&(new tu(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,"italic"),new tu(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,"italic")),t.get("code")&&new tu(this.editor,/(`)([^`]+)(`)$/g,"code")}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");t&&t.modelElements.filter(t=>t.match(/^heading[1-6]$/)).forEach(t=>{const e=t[7],n=new RegExp(`^(#{${e}})\\s$`);new Xd(this.editor,n,()=>{this.editor.execute("heading",{value:t})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&new Xd(this.editor,/^>\s$/,"blockQuote")}},class extends zl{static get requires(){return[ou,cu]}static get pluginName(){return"Bold"}},class extends zl{static get requires(){return[du,mu]}static get pluginName(){return"Italic"}},class extends zl{static get requires(){return[_u,xu]}static get pluginName(){return"BlockQuote"}},class extends zl{static get pluginName(){return"CKFinder"}static get requires(){return[Eu,Tu,Jd]}},class extends zl{static get requires(){return[Vu,Uh,uf]}static get pluginName(){return"EasyImage"}},class extends zl{static get requires(){return[_f,Rf]}static get pluginName(){return"Heading"}},Uh,class extends zl{static get requires(){return[Ff]}static get pluginName(){return"ImageCaption"}},class extends zl{static get requires(){return[sm,am]}static get pluginName(){return"ImageStyle"}},class extends zl{static get requires(){return[cm]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor;t.plugins.get(cm).register("image",{items:t.config.get("image.toolbar")||[],visibleWhen:rh})}},uf,class extends zl{static get requires(){return[Tm,jm]}static get pluginName(){return"Link"}},class extends zl{static get requires(){return[sp,hp]}static get pluginName(){return"List"}},class extends zl{static get requires(){return[Ap,Ep,Tp,mh]}static get pluginName(){return"MediaEmbed"}},mf,class extends zl{static get pluginName(){return"PasteFromOffice"}init(){const t=this.editor;this.listenTo(t.plugins.get(Hl),"inputTransformation",(t,e)=>{const n=e.dataTransfer.getData("text/html");!0!==e.pasteFromOfficeProcessed&&function(t){return!(!t||!t.match(/<meta\s*name="?generator"?\s*content="?microsoft\s*word\s*\d+"?\/?>/gi)&&!t.match(/xmlns:o="urn:schemas-microsoft-com/gi))}(n)&&(e.content=this._normalizeWordInput(n,e.dataTransfer),e.pasteFromOfficeProcessed=!0)},{priority:"high"})}_normalizeWordInput(t,e){const{body:n,stylesString:i}=Np(t);return Op(n,i),Dp(n,e.getData("text/rtf")),n}},class extends zl{static get requires(){return[jg,Gg,mh]}static get pluginName(){return"Table"}},class extends zl{static get requires(){return[cm]}static get pluginName(){return"TableToolbar"}afterInit(){const t=this.editor,e=t.plugins.get(cm),n=t.config.get("table.contentToolbar"),i=t.config.get("table.toolbar"),o=t.config.get("table.tableToolbar");i&&console.warn("`config.table.toolbar` is deprecated and will be removed in the next major release. Use `config.table.contentToolbar` instead."),(n||i)&&e.register("tableContent",{items:n||i,visibleWhen:$p}),o&&e.register("table",{items:o,visibleWhen:Yp})}},class extends zl{static get requires(){return[eb,ub]}static get pluginName(){return"Alignment"}},class extends zl{static get requires(){return[xb,Ob]}static get pluginName(){return"Font"}},class extends zl{static get requires(){return[Db,zb]}static get pluginName(){return"Underline"}},class extends zl{static get requires(){return[Fb,Wb]}static get pluginName(){return"Strikethrough"}},class extends zl{static get requires(){return[$b,Jb]}static get pluginName(){return"Code"}},class extends zl{static get requires(){return[Xb,iw]}static get pluginName(){return"Subscript"}},class extends zl{static get requires(){return[rw,lw]}static get pluginName(){return"Superscript"}},class extends zl{static get requires(){return[uw,kw]}static get pluginName(){return"Highlight"}}],vw.defaultConfig={toolbar:{items:["heading","|","fontSize","fontFamily","alignment","|","bold","italic","underline","strikethrough","subscript","superscript","code","|","bulletedList","numberedList","highlight","|","link","ckfinder","imageUpload","blockQuote","insertTable","mediaEmbed","|","undo","redo"]},image:{toolbar:["imageTextAlternative","|","imageStyle:full","imageStyle:alignLeft","imageStyle:alignCenter","imageStyle:alignRight"],styles:["full","alignLeft","alignRight","alignCenter"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells"]},alignment:{options:["left","right","center","justify"]},fontFamily:{options:["default","Arial, Helvetica, sans-serif","Courier New, Courier, monospace","Georgia, serif","Lucida Sans Unicode, Lucida Grande, sans-serif","Tahoma, Geneva, sans-serif","Times New Roman, Times, serif","Trebuchet MS, Helvetica, sans-serif","Verdana, Geneva, sans-serif"]},fontSize:{options:[9,10,11,"default",13,14,15,16,17,18,20,22,24,25,28,30,32,40]},highlight:{options:[{model:"greenMarker",class:"marker-green",title:"Green marker",color:"var(--ck-highlight-marker-green)",type:"marker"},{model:"redPen",class:"pen-red",title:"Red pen",color:"var(--ck-highlight-pen-red)",type:"pen"}]},language:"en"}}]).default});
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