ckeditor.js

/*!
 * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md.
 */
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a.ck.ck-button,.ck.ck-button.ck-rounded-corners,a.ck.ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-button,a.ck.ck-button{white-space:nowrap;cursor:default;vertical-align:middle;padding:var(--ck-spacing-tiny);text-align:center;min-width:var(--ck-ui-component-min-height);min-height:var(--ck-ui-component-min-height);line-height:1;font-size:inherit;border:1px solid transparent;transition:box-shadow .2s ease-in-out;-webkit-appearance:none}.ck.ck-button:active,.ck.ck-button:focus,a.ck.ck-button:active,a.ck.ck-button:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-focus-outer-shadow),0 0;border-color:transparent}.ck.ck-button.ck-disabled:active,.ck.ck-button.ck-disabled:focus,a.ck.ck-button.ck-disabled:active,a.ck.ck-button.ck-disabled:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),0 0}.ck.ck-button.ck-disabled .ck-button__icon,a.ck.ck-button.ck-disabled .ck-button__icon{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-disabled 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var(--ck-color-button-on-active-shadow)}.ck.ck-button.ck-on.ck-disabled,a.ck.ck-button.ck-on.ck-disabled{background:var(--ck-color-button-on-disabled-background)}.ck.ck-button.ck-button-save,a.ck.ck-button.ck-button-save{color:var(--ck-color-button-save)}.ck.ck-button.ck-button-cancel,a.ck.ck-button.ck-button-cancel{color:var(--ck-color-button-cancel)}.ck.ck-button .ck-button__icon use,.ck.ck-button .ck-button__icon use *,a.ck.ck-button .ck-button__icon use,a.ck.ck-button .ck-button__icon use *{color:inherit}.ck.ck-button .ck-button__label,a.ck.ck-button .ck-button__label{font-size:inherit;font-weight:inherit;color:inherit;cursor:inherit;vertical-align:middle}.ck.ck-button-action,a.ck.ck-button-action{background:var(--ck-color-button-action-background)}.ck.ck-button-action:not(.ck-disabled):hover,a.ck.ck-button-action:not(.ck-disabled):hover{background:var(--ck-color-button-action-hover-background)}.ck.ck-button-action:not(.ck-disabled):active,a.ck.ck-button-action:not(.ck-disabled):active{background:var(--ck-color-button-action-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-action-active-shadow)}.ck.ck-button-action.ck-disabled,a.ck.ck-button-action.ck-disabled{background:var(--ck-color-button-action-disabled-background)}.ck.ck-button-action,a.ck.ck-button-action{color:var(--ck-color-button-action-text)}.ck.ck-button-bold,a.ck.ck-button-bold{font-weight:700}\"},function(t,e,n){var i=n(66);\"string\"==typeof i&&(i=[[t.i,i,\"\"]]);var o={singleton:!0,hmr:!0,transform:void 0,insertInto:void 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0;transform:translateY(-100%);left:calc(0px - var(--ck-widget-outline-thickness))}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler:hover .ck-icon .ck-icon__selected-indicator{opacity:1}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler .ck-icon{width:var(--ck-widget-handler-icon-size);height:var(--ck-widget-handler-icon-size);color:var(--ck-color-widget-drag-handler-icon-color)}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler .ck-icon .ck-icon__selected-indicator{opacity:0;transition:opacity .3s var(--ck-widget-handler-animation-curve)}.ck .ck-widget.ck-widget_with-selection-handler.ck-widget_selected .ck-widget__selection-handler,.ck .ck-widget.ck-widget_with-selection-handler.ck-widget_selected:hover .ck-widget__selection-handler{opacity:1;background-color:var(--ck-color-focus-border)}.ck .ck-widget.ck-widget_with-selection-handler.ck-widget_selected .ck-widget__selection-handler .ck-icon 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var(--ck-color-input-border);padding:var(--ck-spacing-extra-tiny) var(--ck-spacing-medium);min-width:var(--ck-input-text-width);min-height:var(--ck-ui-component-min-height);transition-property:box-shadow,border;transition:.2s ease-in-out}.ck.ck-input-text:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-focus-outer-shadow),var(--ck-inner-shadow)}.ck.ck-input-text[readonly]{border:1px solid var(--ck-color-input-disabled-border);background:var(--ck-color-input-disabled-background);color:var(--ck-color-input-disabled-text)}.ck.ck-input-text[readonly]:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),var(--ck-inner-shadow)}.ck.ck-input-text.ck-error{border-color:var(--ck-color-input-error-border);animation:ck-text-input-shake .3s ease both}.ck.ck-input-text.ck-error:focus{box-shadow:var(--ck-focus-error-outer-shadow),var(--ck-inner-shadow)}@keyframes 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.ck.ck-dropdown__panel,.ck.ck-dropdown__panel.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0}.ck.ck-dropdown__panel{background:var(--ck-color-dropdown-panel-background);border:1px solid var(--ck-color-dropdown-panel-border);bottom:0;min-width:100%}\"},function(t,e,n){var i=n(88);\"string\"==typeof i&&(i=[[t.i,i,\"\"]]);var o={singleton:!0,hmr:!0,transform:void 0,insertInto:void 0};n(2)(i,o);i.locals&&(t.exports=i.locals)},function(t,e){t.exports=\".ck.ck-list{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-direction:column}.ck.ck-list .ck-list__item,.ck.ck-list .ck-list__separator{display:block}.ck.ck-list .ck-list__item>:focus{position:relative;z-index:var(--ck-z-default)}.ck.ck-list{border-radius:0}.ck-rounded-corners .ck.ck-list,.ck.ck-list.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-list{list-style-type:none;background:var(--ck-color-list-background)}.ck.ck-list__item{cursor:default;min-width:12em}.ck.ck-list__item .ck-button{min-height:unset;width:100%;text-align:left;border-radius:0;border:0;padding:calc(0.2*var(--ck-line-height-base)*var(--ck-font-size-base)) calc(0.4*var(--ck-line-height-base)*var(--ck-font-size-base))}.ck.ck-list__item .ck-button .ck-button__label{line-height:calc(1.2*var(--ck-line-height-base)*var(--ck-font-size-base))}.ck.ck-list__item .ck-button:active{box-shadow:none}.ck.ck-list__item .ck-button.ck-on{background:var(--ck-color-list-button-on-background);color:var(--ck-color-list-button-on-text)}.ck.ck-list__item .ck-button.ck-on:hover:not(ck-disabled){background:var(--ck-color-list-button-on-background-focus)}.ck.ck-list__item .ck-button.ck-on:active{box-shadow:none}.ck.ck-list__item 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.ck.ck-media__placeholder .ck-media__placeholder__url__text{color:#b8e6ff}.ck-media__wrapper[data-oembed-url*=\"twitter.com\"] .ck.ck-media__placeholder .ck-media__placeholder__url__text:hover{color:#fff}.ck-media__wrapper[data-oembed-url*=\"google.com\/maps\"] 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this.position=Zi._createAfter(n),this._next();i=n.data[t.offset]}else i=n.getChild(t.offset);if(i instanceof _i)return this.shallow?t.offset++:t=new Zi(i,0),this.position=t,this._formatReturnValue(\"elementStart\",i,e,t,1);if(i instanceof fi){if(this.singleCharacters)return t=new Zi(i,0),this.position=t,this._next();{let n,o=i.data.length;return i==this._boundaryEndParent?(o=this.boundaries.end.offset,n=new mi(i,0,o),t=Zi._createAfter(n)):(n=new mi(i,0,i.data.length),t.offset++),this.position=t,this._formatReturnValue(\"text\",n,e,t,o)}}if(\"string\"==typeof i){let i;if(this.singleCharacters)i=1;else{i=(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-t.offset}const o=new mi(n,t.offset,i);return t.offset+=i,this.position=t,this._formatReturnValue(\"text\",o,e,t,i)}return t=Zi._createAfter(n),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue(\"elementEnd\",n,e,t)}_previous(){let t=this.position.clone();const 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 fi){if(t.isAtStart)return this.position=Zi._createBefore(n),this._previous();i=n.data[t.offset-1]}else i=n.getChild(t.offset-1);if(i instanceof _i)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue(\"elementStart\",i,e,t,1)):(t=new Zi(i,i.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue(\"elementEnd\",i,e,t));if(i instanceof fi){if(this.singleCharacters)return t=new Zi(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 mi(i,e,i.data.length-e)).data.length,t=Zi._createBefore(n)}else n=new mi(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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view item.\")}return new Zi(n,e)}}static _createAfter(t){if(t.is(\"textProxy\"))return new Zi(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new Gn.b(\"view-position-after-root: You can not make position after root.\",{root:t});return new Zi(t.parent,t.index+1)}static _createBefore(t){if(t.is(\"textProxy\"))return new Zi(t.textNode,t.offsetInText);if(!t.parent)throw new Gn.b(\"view-position-before-root: You can not make position before root.\",{root:t});return new Zi(t.parent,t.index)}}class Xi{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Ki({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(to,{direction:\"backward\"}),e=this.end.getLastMatchingPosition(to);return t.parent.is(\"text\")&&t.isAtStart&&(t=Zi._createBefore(t.parent)),e.parent.is(\"text\")&&e.isAtEnd&&(e=Zi._createAfter(e.parent)),new Xi(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(to);if(t.isAfter(this.end)||t.isEqual(this.end))return new Xi(t,t);let e=this.end.getLastMatchingPosition(to,{direction:\"backward\"});const n=t.nodeAfter,i=e.nodeBefore;return n&&n.is(\"text\")&&(t=new Zi(n,0)),i&&i.is(\"text\")&&(e=new Zi(i,i.data.length)),new Xi(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 Xi(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Xi(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 Xi(e,n)}return null}getWalker(t={}){return t.boundaries=this,new Ki(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}clone(){return new Xi(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Ki(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Ki(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 Zi(t,e),new Zi(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(Zi._createBefore(t),e)}}function to(t){return!(!t.item.is(\"attributeElement\")&&!t.item.is(\"uiElement\"))}function eo(t){let e=0;for(const n of t)e++;return e}class no{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=eo(this.getRanges());if(e!=eo(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();let e=t.start.nodeAfter,n=t.end.nodeBefore;return t.start.parent.is(\"text\")&&t.start.isAtEnd&&t.start.parent.nextSibling&&(e=t.start.parent.nextSibling),t.end.parent.is(\"text\")&&t.end.isAtStart&&t.end.parent.previousSibling&&(n=t.end.parent.previousSibling),e instanceof _i&&e==n?e:null}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof no||t instanceof io)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof Xi)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Zi)this._setRanges([new Xi(t)]),this._setFakeOptions(e);else if(t instanceof hi){const i=!!n&&!!n.backward;let o;if(void 0===e)throw new Gn.b(\"view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.\");o=\"in\"==e?Xi._createIn(t):\"on\"==e?Xi._createOn(t):new Xi(Zi._createAt(t,e)),this._setRanges([o],i),this._setFakeOptions(n)}else{if(!gi(t))throw new Gn.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 Gn.b(\"view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.\");const n=Zi._createAt(t,e);if(\"same\"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),\"before\"==n.compareWith(i)?this._addRange(new Xi(n,i),!0):this._addRange(new Xi(i,n)),this.fire(\"change\")}is(t){return\"selection\"==t}_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 Xi))throw new Gn.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 Gn.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 Xi(t.start,t.end))}}ci(no,ei);class io{constructor(t=null,e,n){this._selection=new no,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)}is(t){return\"selection\"==t||\"documentSelection\"==t}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}ci(io,ei);class oo{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 Gn.b(\"collection-add-invalid-id\");if(this.get(n))throw new Gn.b(\"collection-add-item-already-exists\")}else t[i]=n=Kn();if(void 0===e)e=this._items.length;else if(e>this._items.length||e<0)throw new Gn.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 Gn.b(\"collection-get-invalid-arg: Index or id must be given.\");e=this._items[t]}return e||null}has(t){if(\"string\"==typeof t)return this._itemMap.has(t);{const e=t[this._idProperty];return this._itemMap.has(e)}}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 Gn.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 Gn.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]()}}ci(oo,ei);class ro{constructor(){this.selection=new io,this.roots=new oo({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)}destroy(){this.roots.map(t=>t.destroy()),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t))break}while(e)}}ci(ro,Fi);const so=10;class ao extends _i{constructor(t,e,n){super(t,e,n),this.getFillerOffset=co,this._priority=so,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new Gn.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 co(){if(lo(this))return null;let t=this.parent;for(;t&&t.is(\"attributeElement\");){if(lo(t)>1)return null;t=t.parent}return!t||lo(t)>1?null:this.childCount}function lo(t){return Array.from(t.getChildren()).filter(t=>!t.is(\"uiElement\")).length}ao.DEFAULT_PRIORITY=so;class uo extends _i{constructor(t,e,n){super(t,e,n),this.getFillerOffset=ho}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 hi||Array.from(e).length>0))throw new Gn.b(\"view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.\")}}function ho(){return null}const fo=navigator.userAgent.toLowerCase();var mo={isMac:function(t){return t.indexOf(\"macintosh\")>-1}(fo),isEdge:function(t){return!!t.match(\/edge\\\/(\\d+.?\\d*)\/)}(fo),isGecko:function(t){return!!t.match(\/gecko\\\/\\d+\/)}(fo),isSafari:function(t){return t.indexOf(\" applewebkit\/\")>-1&&-1===t.indexOf(\"chrome\")}(fo)};const po={\"\u2318\":\"ctrl\",\"\u21E7\":\"shift\",\"\u2325\":\"alt\"},go={ctrl:\"\u2318\",shift:\"\u21E7\",alt:\"\u2325\"},bo=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 wo(t){let e;if(\"string\"==typeof t){if(!(e=bo[t.toLowerCase()]))throw new Gn.b(\"keyboard-unknown-key: Unknown key name.\",{key:t})}else e=t.keyCode+(t.altKey?bo.alt:0)+(t.ctrlKey?bo.ctrl:0)+(t.shiftKey?bo.shift:0);return e}function _o(t){return\"string\"==typeof t&&(t=ko(t)),t.map(t=>\"string\"==typeof t?wo(t):t).reduce((t,e)=>e+t,0)}function ko(t){return t.split(\/\\s*\\+\\s*\/)}class vo extends _i{constructor(t,e,n){super(t,e,n),this.getFillerOffset=xo}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 hi||Array.from(e).length>0))throw new Gn.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 yo(t){t.document.on(\"keydown\",(e,n)=>(function(t,e,n){if(e.keyCode==bo.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 xo(){return null}class Ao{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 fi(t)];gi(t)||(t=[t]);return Array.from(t).map(t=>\"string\"==typeof t?new fi(t):t instanceof mi?new fi(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)}}ci(Ao,ei);class Co{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 fi(t)}createAttributeElement(t,e,n={}){const i=new ao(t,e);return n.priority&&(i._priority=n.priority),n.id&&(i._id=n.id),i}createContainerElement(t,e){return new yi(t,e)}createEditableElement(t,e){const n=new Gi(t,e);return n._document=this.document,n}createEmptyElement(t,e){return new uo(t,e)}createUIElement(t,e,n){const i=new vo(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 Zi?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is(\"containerElement\"))throw new Gn.b(\"view-writer-break-non-container-element: Trying to break an element which is not a container element.\");if(!e.parent)throw new Gn.b(\"view-writer-break-root: Trying to break root element.\");if(t.isAtStart)return Zi._createBefore(e);if(!t.isAtEnd){const n=e._clone(!1);this.insert(Zi._createAfter(e),n);const i=new Xi(t,Zi._createAt(e,\"end\")),o=new Zi(n,0);this.move(i,o)}return Zi._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 Zi(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 So(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 Zi(i,t))}return t}mergeContainers(t){const e=t.nodeBefore,n=t.nodeAfter;if(!(e&&n&&e.is(\"containerElement\")&&n.is(\"containerElement\")))throw new Gn.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 fi?Zi._createAt(i,\"end\"):Zi._createAt(e,\"end\");return this.move(Xi._createIn(n),Zi._createAt(e,\"end\")),this.remove(Xi._createOn(n)),o}insert(t,e){(function t(e){for(const n of e){if(!Io.some(t=>n instanceof t))throw new Gn.b(\"view-writer-insert-invalid-node\");n.is(\"text\")||t(n.getChildren())}})(e=gi(e)?[...e]:[e]);const n=To(t);if(!n)throw new Gn.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 Xi(s,s);{s.isEqual(i)||r.offset--;const t=this.mergeAttributes(r);return new Xi(s,t)}}remove(t){const e=t instanceof Xi?t:Xi._createOn(t);if(Oo(e),e.isCollapsed)return new Ao;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 Ao(s)}clear(t,e){Oo(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=Xi._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=Xi._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 ao))throw new Gn.b(\"view-writer-wrap-invalid-attribute\");if(Oo(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 Xi(n)}return this._wrapRange(t,e)}unwrap(t,e){if(!(e instanceof ao))throw new Gn.b(\"view-writer-unwrap-invalid-attribute\");if(Oo(t),t.isCollapsed)return t;const{start:n,end:i}=this._breakAttributesRange(t,!0),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 Xi(s,a)}rename(t,e){const n=new yi(t,e.getAttributes());return this.insert(Zi._createAfter(e),n),this.move(Xi._createIn(e),Zi._createAt(n,0)),this.remove(Xi._createOn(e)),n}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new Xi(t,e)}createRangeOn(t){return Xi._createOn(t)}createRangeIn(t){return Xi._createIn(t)}createSelection(t,e,n){return new no(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(s&&this._wrapAttributeElement(i,e))r.push(new Zi(t,o));else if(n||a||c||s&&Po(i,e)){const n=i._clone();e._remove(),n._appendChild(e),t._insertChild(o,n),this._addToClonedElementsGroup(n),r.push(new Zi(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 Xi._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.is(\"attributeElement\"))if(e.isSimilar(i)){const 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Go(t,e){return t.slice(e).reverse()}function Qo(t,e,n){n=n||function(t,e){return t===e};const i=t.length,o=e.length;if(i>200||o>200||i+o>300)return Qo.fastDiff(t,e,n,!0);let r,s;if(o<i){const n=t;t=e,e=n,r=\"delete\",s=\"insert\"}else r=\"insert\",s=\"delete\";const a=t.length,c=e.length,l=c-a,d={},u={};function h(i){const o=(void 0!==u[i-1]?u[i-1]:-1)+1,l=void 0!==u[i+1]?u[i+1]:-1,h=o>l?-1:1;d[i+h]&&(d[i]=d[i+h].slice(0)),d[i]||(d[i]=[]),d[i].push(o>l?r:s);let f=Math.max(o,l),m=f-i;for(;m<a&&f<c&&n(t[m],e[f]);)m++,f++,d[i].push(\"equal\");return f}let f,m=0;do{for(f=-m;f<l;f++)u[f]=h(f);for(f=l+m;f>l;f--)u[f]=h(f);u[l]=h(l),m++}while(u[l]!==c);return d[l].slice(1)}function Jo(t,e,n){t.insertBefore(n,t.childNodes[e]||null)}function Ko(t){const e=t.parentNode;e&&e.removeChild(t)}function Zo(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}Qo.fastDiff=Yo;class Xo{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 Gn.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;zo(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=tr(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]),Ko(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\")?Zi._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&&Do(e.parent)&&zo(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!zo(t))throw new Gn.b(\"view-renderer-filler-was-lost: The inline filler node was lost.\");Fo(t)?t.parentNode.removeChild(t):t.data=t.data.substr(Vo),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 fi||o instanceof fi)}_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=Bo+r),o!=r){const t=Yo(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&&tr(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?(Jo(n,a,r[a]),a++):\"delete\"===t?(c.add(o[a]),Ko(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 Qo(t=function(t,e){const n=Array.from(t);if(0==n.length||!e)return n;n[n.length-1]==e&&n.pop();return n}(t,this._fakeSelectionContainer),e,function(t,e,n){if(e===n)return!0;if(Do(e)&&Do(n))return e.data===n.data;if(qo(e,t)&&qo(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(Qo(o,r,er).map(t=>\"equal\"===t?\"replace\":t))).push(\"equal\"),o=[],r=[]),s[a]++;return i.concat(Qo(o,r,er).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.textContent=\"\u00A0\"),n.parentElement&&n.parentElement==t||t.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||\"\u00A0\";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),mo.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 tr(t,e,n){const i=e instanceof Array?e:e.childNodes,o=i[n];if(Do(o))return o.data=Bo+o.data,o;{const o=t.createTextNode(Bo);return Array.isArray(e)?i.splice(n,0,o):Jo(e,n,o),o}}function er(t,e){return Zo(t)&&Zo(e)&&!Do(t)&&!Do(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}ci(Xo,Fi);var nr={window:window,document:document};function ir(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}function or(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}class rr{constructor(t={}){this.blockFiller=t.blockFiller||Lo,this.preElements=[\"pre\"],this.blockElements=[\"p\",\"div\",\"h1\",\"h2\",\"h3\",\"h4\",\"h5\",\"h6\"],this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new no(e))}fakeSelectionToView(t){return 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a(t,e){if(!Array.isArray(t))return t===e||!(!t.is(\"text\")||!e.is(\"text\"))&&t.data===e.data}this.document.fire(\"mutations\",o,s),this.view.forceRender()}_isBogusBrMutation(t){let e=null;return null===t.nextSibling&&0===t.removedNodes.length&&1==t.addedNodes.length&&(e=this.domConverter.domToView(t.addedNodes[0],{withChildren:!1})),e&&e.is(\"element\",\"br\")}}class Xr{constructor(t,e,n){this.view=t,this.document=t.document,this.domEvent=e,this.domTarget=e.target,Li(this,n)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class ts extends hr{constructor(t){super(t),this.useCapture=!1}observe(t){(\"string\"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach(e=>{this.listenTo(t,e,(t,e)=>{this.isEnabled&&this.onDomEvent(e)},{useCapture:this.useCapture})})}fire(t,e,n){this.isEnabled&&this.document.fire(t,new Xr(this.view,e,n))}}class es extends ts{constructor(t){super(t),this.domEventType=[\"keydown\",\"keyup\"]}onDomEvent(t){this.fire(t.type,t,{keyCode:t.keyCode,altKey:t.altKey,ctrlKey:t.ctrlKey||t.metaKey,shiftKey:t.shiftKey,get keystroke(){return wo(this)}})}}var ns=function(){return i.a.Date.now()},is=\"[object Symbol]\";var os=function(t){return\"symbol\"==typeof t||w(t)&&p(t)==is},rs=NaN,ss=\/^\\s+|\\s+$\/g,as=\/^[-+]0x[0-9a-f]+$\/i,cs=\/^0b[01]+$\/i,ls=\/^0o[0-7]+$\/i,ds=parseInt;var us=function(t){if(\"number\"==typeof t)return t;if(os(t))return rs;if(z(t)){var e=\"function\"==typeof t.valueOf?t.valueOf():t;t=z(e)?e+\"\":e}if(\"string\"!=typeof t)return 0===t?t:+t;t=t.replace(ss,\"\");var n=cs.test(t);return n||ls.test(t)?ds(t.slice(2),n?2:8):as.test(t)?rs:+t},hs=\"Expected a function\",fs=Math.max,ms=Math.min;var ps=function(t,e,n){var i,o,r,s,a,c,l=0,d=!1,u=!1,h=!0;if(\"function\"!=typeof t)throw new TypeError(hs);function f(e){var n=i,r=o;return i=o=void 0,l=e,s=t.apply(r,n)}function m(t){var n=t-c;return void 0===c||n>=e||n<0||u&&t-l>=r}function p(){var t=ns();if(m(t))return g(t);a=setTimeout(p,function(t){var n=e-(t-c);return u?ms(n,r-(t-l)):n}(t))}function g(t){return a=void 0,h&&i?f(t):(i=o=void 0,s)}function b(){var t=ns(),n=m(t);if(i=arguments,o=this,c=t,n){if(void 0===a)return function(t){return l=t,a=setTimeout(p,e),d?f(t):s}(c);if(u)return a=setTimeout(p,e),f(c)}return void 0===a&&(a=setTimeout(p,e)),s}return e=us(e)||0,z(n)&&(d=!!n.leading,r=(u=\"maxWait\"in n)?fs(us(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(ns())},b};class gs extends hr{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=ps(t=>this.document.fire(\"selectionChangeDone\",t),200)}observe(){const t=this.document;t.on(\"keydown\",(e,n)=>{t.selection.isFake&&function(t){return t==bo.arrowright||t==bo.arrowleft||t==bo.arrowup||t==bo.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 no(e.getRanges(),{backward:e.isBackward,fake:!1});t!=bo.arrowleft&&t!=bo.arrowup||n.setTo(n.getFirstPosition()),t!=bo.arrowright&&t!=bo.arrowdown||n.setTo(n.getLastPosition());const i={oldSelection:e,newSelection:n,domSelection:null};this.document.fire(\"selectionChange\",i),this._fireSelectionChangeDoneDebounced(i)}}var bs=n(1);class ws extends hr{constructor(t){super(t),this.mutationObserver=t.getObserver(Zr),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=ps(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)bs.a.warn(\"selectionchange-infinite-loop: Selection change observer detected an infinite rendering loop.\");else if(this.selection.isSimilar(n))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:n,domSelection:e};this.document.fire(\"selectionChange\",t),this._fireSelectionChangeDoneDebounced(t)}}_clearInfiniteLoop(){this._loopbackCounter=0}}class _s extends ts{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.forceRender(),50)}),e.on(\"blur\",(n,i)=>{const o=e.selection.editableElement;null!==o&&o!==i.target||(e.isFocused=!1,t.forceRender())})}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class ks extends ts{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 vs(t){return\"[object Range]\"==Object.prototype.toString.apply(t)}function ys(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 xs=[\"top\",\"right\",\"bottom\",\"left\",\"width\",\"height\"];class As{constructor(t){const e=vs(t);if(Object.defineProperty(this,\"_source\",{value:t._source||t,writable:!0,enumerable:!1}),Wn(t)||e){const n=e?t.startContainer:t;n.ownerDocument&&n.ownerDocument.body.contains(n)||bs.a.warn(\"rect-source-not-in-dom: The source of this rect does not belong to any rendered DOM tree.\",{source:t}),Cs(this,e?As.getDomRangeRects(t)[0]:t.getBoundingClientRect())}else if(cr(t)){const{innerWidth:e,innerHeight:n}=t;Cs(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else Cs(this,t)}clone(){return new As(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 As(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(!Ts(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!Ts(n);){const t=new As(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 xs)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(cr(t))e=t.innerWidth-t.document.documentElement.clientWidth,n=t.innerHeight-t.document.documentElement.clientHeight;else{const i=ys(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 As(t));else{let n=t.startContainer;Do(n)&&(n=n.parentNode);const i=new As(n.getBoundingClientRect());i.right=i.left,i.width=0,e.push(i)}return e}}function Cs(t,e){for(const n of xs)t[n]=e[n]}function Ts(t){return!!Wn(t)&&t===t.ownerDocument.body}function Ps({target:t,viewportOffset:e=0}){const n=Rs(t);let i=n,o=null;for(;i;){let r;Es(r=Ds(i==n?t:o),()=>Ls(t,i));const s=Ls(t,i);if(Ms(i,s,e),i.parent!=i){if(o=i.frameElement,i=i.parent,!o)return}else i=null}}function Ms(t,e,n){const i=e.clone().moveBy(0,n),o=e.clone().moveBy(0,-n),r=new As(t).excludeScrollbarsAndBorders();if(![o,i].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;Is(o,r)?a-=r.top-e.top+n:Ss(i,r)&&(a+=e.bottom-r.bottom+n),Ns(e,r)?s-=r.left-e.left+n:Os(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function Es(t,e){const n=Rs(t);let i,o;for(;t!=n.document.body;)o=e(),(i=new As(t).excludeScrollbarsAndBorders()).contains(o)||(Is(o,i)?t.scrollTop-=i.top-o.top:Ss(o,i)&&(t.scrollTop+=o.bottom-i.bottom),Ns(o,i)?t.scrollLeft-=i.left-o.left:Os(o,i)&&(t.scrollLeft+=o.right-i.right)),t=t.parentNode}function Ss(t,e){return t.bottom>e.bottom}function Is(t,e){return t.top<e.top}function Ns(t,e){return t.left<e.left}function Os(t,e){return t.right>e.right}function Rs(t){return vs(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function Ds(t){if(vs(t)){let e=t.commonAncestorContainer;return Do(e)&&(e=e.parentNode),e}return t.parentNode}function Ls(t,e){const n=Rs(t),i=new As(t);if(n===e)return i;{let t=n;for(;t!=e;){const e=t.frameElement,n=new As(e).excludeScrollbarsAndBorders();i.moveBy(n.left,n.top),t=t.parent}}return i}Object.assign({},{scrollViewportToShowTarget:Ps,scrollAncestorsToShowTarget:function(t){Es(Ds(t),()=>new As(t))}});class js{constructor(){this.document=new ro,this.domConverter=new rr,this.domRoots=new Map,this.set(\"isRenderingInProgress\",!1),this._renderer=new Xo(this.domConverter,this.document.selection),this._renderer.bind(\"isFocused\").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new Co(this.document),this.addObserver(Zr),this.addObserver(ws),this.addObserver(_s),this.addObserver(es),this.addObserver(gs),this.addObserver(ks),function(t){t.document.on(\"keydown\",Wo)}(this),yo(this),this.on(\"render\",()=>{this._render(),this.document.fire(\"layoutChanged\"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,\"change\",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(t,e=\"main\"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const i={};for(const{name:e,value:o}of Array.from(t.attributes))i[e]=o,\"class\"===e?this._writer.addClass(o.split(\" \"),n):this._writer.setAttribute(e,o,n);this._initialDomRootAttributes.set(t,i);const o=()=>{this._writer.setAttribute(\"contenteditable\",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass(\"ck-read-only\",n):this._writer.removeClass(\"ck-read-only\",n)};o(),this.domRoots.set(e,t),this.domConverter.bindElements(t,n),this._renderer.markToSync(\"children\",n),this._renderer.markToSync(\"attributes\",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)),n.on(\"change:isReadOnly\",()=>this.change(o)),n.on(\"change\",()=>{this._hasChangedSinceTheLastRendering=!0});for(const n of this._observers.values())n.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const n=this._initialDomRootAttributes.get(e);for(const t in n)e.setAttribute(t,n[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(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&&Ps({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t?(this.domConverter.focus(t),this.forceRender()):bs.a.warn(\"view-focus-no-selection: There is no selection in any editable to focus.\")}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new Gn.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._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire(\"render\")),e}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new Xi(t,e)}createRangeOn(t){return Xi._createOn(t)}createRangeIn(t){return Xi._createIn(t)}createSelection(t,e,n){return new no(t,e,n)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}function Vs(t){return C(t)?pi(t):new Map(t)}ci(js,Fi);class Bs{constructor(t){this.parent=null,this._attrs=Vs(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new Gn.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 Gn.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=li(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 Bs(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Vs(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}is(t){return\"node\"==t}}class zs extends Bs{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 zs(this.data,this.getAttributes())}static fromJSON(t){return new zs(t.data,t.attributes)}}class Fs{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new Gn.b(\"model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.\");if(n<0||e+n>t.offsetSize)throw new Gn.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 Us{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 Gn.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 Gn.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 Bs))throw new Gn.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 Hs extends Bs{constructor(t,e,n){super(e),this.name=t,this._children=new Us,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 Hs(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 zs(t)];gi(t)||(t=[t]);return Array.from(t).map(t=>\"string\"==typeof t?new zs(t):t instanceof Fs?new zs(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(Hs.fromJSON(n)):e.push(zs.fromJSON(n))}return new Hs(t.name,t.attributes,e)}}class qs{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new Gn.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 Gn.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=$s._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 Hs)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=i),this.position=e,Ws(\"elementStart\",i,t,e,1);if(i instanceof zs){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 Fs(i,r,o);return e.offset+=o,this.position=e,Ws(\"text\",s,t,e,o)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():Ws(\"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 Hs)return e.offset--,this.shallow?(this.position=e,Ws(\"elementStart\",i,t,e,1)):(e.path.push(i.maxOffset),this.position=e,this._visitedParent=i,this.ignoreElementEnd?this._previous():Ws(\"elementEnd\",i,t,e));if(i instanceof zs){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 Fs(i,r-o,o);return e.offset-=o,this.position=e,Ws(\"text\",s,t,e,o)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,Ws(\"elementStart\",n,t,e,1)}}function Ws(t,e,n,i,o){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}var Ys=function(t){var e=null==t?0:t.length;return e?t[e-1]:void 0};class $s{constructor(t,e,n=\"toNone\"){if(!t.is(\"element\")&&!t.is(\"documentFragment\"))throw new Gn.b(\"model-position-root-invalid: Position root invalid.\");if(!(e instanceof Array)||0===e.length)throw new Gn.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 Ys(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 zs&&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=li(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 qs(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=li(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=$s._createAt(this),n=$s._createAt(t);break;case\"after\":e=$s._createAt(t),n=$s._createAt(this);break;default:return!1}let i=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==i.maxOffset)return!1;e.path=e.path.slice(0,-1),i=i.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}hasSameParentAs(t){if(this.root!==t.root)return!1;return\"same\"==li(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case\"insert\":e=this._getTransformedByInsertOperation(t);break;case\"move\":case\"remove\":case\"reinsert\":e=this._getTransformedByMoveOperation(t);break;case\"split\":e=this._getTransformedBySplitOperation(t);break;case\"merge\":e=this._getTransformedByMergeOperation(t);break;default:e=$s._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)?$s._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=$s._createAt(this);if(this.root!=t.root)return n;if(\"same\"==li(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if(\"prefix\"==li(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=$s._createAt(this);if(this.root!=t.root)return n;if(\"same\"==li(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&\"toPrevious\"!=this.stickiness)&&(n.offset+=e);else if(\"prefix\"==li(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 $s._createAt(this);const i=this._getTransformedByDeletion(t,n);return null===i||t.isEqual(this)&&\"toNext\"==this.stickiness||t.getShiftedBy(n).isEqual(this)&&\"toPrevious\"==this.stickiness?this._getCombined(t,e):i._getTransformedByInsertion(e,n)}_getCombined(t,e){const n=t.path.length-1,i=$s._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,n=\"toNone\"){if(t instanceof $s)return new $s(t.root,t.path,t.stickiness);{const i=t;if(\"end\"==e)e=i.maxOffset;else{if(\"before\"==e)return this._createBefore(i,n);if(\"after\"==e)return this._createAfter(i,n);if(0!==e&&!e)throw new Gn.b(\"model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.\")}if(!i.is(\"element\")&&!i.is(\"documentFragment\"))throw new Gn.b(\"model-position-parent-incorrect: Position parent have to be a element or document fragment.\");const o=i.getPath();return o.push(e),new this(i.root,o,n)}}static _createAfter(t,e){if(!t.parent)throw new Gn.b(\"model-position-after-root: You cannot make a position after root.\",{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new Gn.b(\"model-position-before-root: You cannot make a position before root.\",{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if(\"$graveyard\"===t.root){const n=new $s(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new Gn.b(\"model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.\",{rootName:t.root});return new $s(e.getRoot(t.root),t.path,t.stickiness)}}class Gs{constructor(t,e=null){this.start=$s._createAt(t),this.end=e?$s._createAt(e):$s._createAt(t),this.start.stickiness=this.isCollapsed?\"toNone\":\"toNext\",this.end.stickiness=this.isCollapsed?\"toNone\":\"toPrevious\"}*[Symbol.iterator](){yield*new qs({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return\"same\"==li(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=$s._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Gs(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Gs(t.end,this.end))):e.push(new Gs(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new Gs(e,n)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=$s._createAt(this.start);let i=n.parent;for(;n.path.length>e+1;){const e=i.maxOffset-n.offset;0!==e&&t.push(new Gs(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 Gs(n,n.getShiftedBy(i))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new qs(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new qs(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new qs(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 Gs(this.start,this.end)]}getTransformedByOperations(t){const e=[new Gs(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 Gs(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new Gs(this.start);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=$s._createAt(n)).offset=0:(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new Gs(e,n)):new Gs(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new Gs(this.start,t),new Gs(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new Gs(this.start,this.end);return n.start=n.start._getTransformedByInsertion(t,e),n.end=n.end._getTransformedByInsertion(t,e),[n]}}_getTransformedByMove(t,e,n,i=!1){if(this.isCollapsed){const i=this.start._getTransformedByMove(t,e,n);return[new Gs(i)]}const o=Gs._createFromPositionAndShift(t,n),r=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!i&&(o.containsPosition(this.start)||o.containsPosition(this.end))){const i=this.start._getTransformedByMove(t,e,n),o=this.end._getTransformedByMove(t,e,n);return[new Gs(i,o)]}let s;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(1==a.length?c=new Gs(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(c=new Gs(this.start,this.end._getTransformedByDeletion(t,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||i):[],l){const t=new Gs(l.start._getCombined(o.start,r),l.end._getCombined(o.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e),i=this.end._getTransformedByDeletion(t,e);return null==n&&null==i?null:(null==n&&(n=t),null==i&&(i=t),new Gs(n,i))}static _createFromPositionAndShift(t,e){const n=t,i=t.getShiftedBy(e);return e>0?new this(n,i):new this(i,n)}static _createIn(t){return new this($s._createAt(t,0),$s._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift($s._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new Gn.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=$s._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(i.end);e++)i.end=$s._createAt(t[e].end);return i}static fromJSON(t,e){return new this($s.fromJSON(t.start,e),$s.fromJSON(t.end,e))}}class Qs{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;const n=this.findMappedViewAncestor(e.viewPosition),i=this._viewToModelMapping.get(n),o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=$s._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 Gs(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new Xi(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)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return 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 Zi(t,e);for(;o<e;)n=t.getChild(r),o+=i=this.getModelLength(n),r++;return o==e?this._moveViewPositionToTextNode(new Zi(t,r)):this._findPositionIn(n,e-(o-i))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof fi?new Zi(e,e.data.length):n instanceof fi?new Zi(n,0):t}}ci(Qs,ei);class Js{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=Ks(e),t instanceof Fs&&(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=Ks(e),t instanceof Fs&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=Ks(e),t instanceof Fs&&(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=Ks(e),t instanceof Fs&&(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 Ks(t){const e=t.split(\":\");return e.length>1?e[0]+\":\"+e[1]:e[0]}class Zs{constructor(t={}){this.conversionApi=Li({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(Gs._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:Gs._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:${e}`);for(const o of t){const t={item:o.item,range:Gs._createFromPositionAndShift(o.previousPosition,o.length),attributeKey:e,attributeOldValue:n,attributeNewValue:i};this._testAndFire(`attribute:${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(!Xs(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+\":$text\",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||\"$graveyard\"==e.root.rootName)return;this.conversionApi.writer=n;const i=\"addMarker:\"+t,o=new Js;if(o.add(e,i),this.conversionApi.consumable=o,this.fire(i,{markerName:t,markerRange:e},this.conversionApi),o.test(e,i)){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:Gs._createOn(n),markerName:t,markerRange:e};this.fire(i,o,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,n){e.root.document&&\"$graveyard\"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire(\"removeMarker:\"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new Js;for(const n of t){const t=n.item;e.add(t,\"insert\");for(const n of t.getAttributeKeys())e.add(t,\"attribute:\"+n)}return e}_createConsumableForRange(t,e){const n=new Js;for(const i of t.getItems())n.add(i,e);return n}_createSelectionConsumable(t,e){const n=new Js;n.add(t,\"selection\");for(const i of e)n.add(t,\"addMarker:\"+i.name);for(const e of t.getAttributeKeys())n.add(t,\"attribute:\"+e);return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const n=e.item.name||\"$text\";this.fire(t+\":\"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function Xs(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\")}})}ci(Zs,ei);class ta{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 Gs(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 Gs(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 Gs(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 ta)this._setRanges(t.getRanges(),t.isBackward);else if(t&&\"function\"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Gs)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof $s)this._setRanges([new Gs(t)]);else if(t instanceof Bs){const i=!!n&&!!n.backward;let o;if(\"in\"==e)o=Gs._createIn(t);else if(\"on\"==e)o=Gs._createOn(t);else{if(void 0===e)throw new Gn.b(\"model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.\");o=new Gs($s._createAt(t,e))}this._setRanges([o],i)}else{if(!gi(t))throw new Gn.b(\"model-selection-setTo-not-selectable: Cannot set the selection to the given place.\");this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some(t=>{if(!(t instanceof Gs))throw new Gn.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 Gn.b(\"model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.\");const n=$s._createAt(t,e);if(\"same\"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),\"before\"==n.compareWith(i)?(this._pushRange(new Gs(n,i)),this._lastRangeBackward=!0):(this._pushRange(new Gs(i,n)),this._lastRangeBackward=!1),this.fire(\"change:range\",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire(\"change:attribute\",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire(\"change:attribute\",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange(),e=t.start.nodeAfter,n=t.end.nodeBefore;return e instanceof Hs&&e==n?e:null}is(t){return\"selection\"==t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=na(e.start,t);n&&(yield n);for(const n of e.getWalker())\"elementEnd\"==n.type&&ea(n.item,t)&&(yield n.item);const i=na(e.end,t);i&&!e.end.isTouching($s._createAt(i,0))&&(yield i)}}*getTopMostBlocks(){const t=Array.from(this.getSelectedBlocks());for(const e of t){const n=ia(e);n&&t.includes(n)||(yield e)}}containsEntireContent(t=this.anchor.root){const e=$s._createAt(t,0),n=$s._createAt(t,\"end\");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new Gs(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new Gn.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 ea(t,e){return!e.has(t)&&(e.add(t),t.document.model.schema.isBlock(t)&&t.parent)}function na(t,e){const n=t.parent.document.model.schema,i=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const r=i.find(t=>!o&&(!(o=n.isLimit(t))&&ea(t,e)));return i.forEach(t=>e.add(t)),r}function ia(t){const e=t.document.model.schema;let n=t.parent;for(;n;){if(e.isBlock(n))return n;n=n.parent}}ci(ta,ei);class oa extends Gs{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=Gs._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 Gs(this.start,this.end)}static fromRange(t){return new oa(t.start,t.end)}}ci(oa,ei);const ra=\"selection:\";class sa{constructor(t){this._selection=new aa(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 markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getTopMostBlocks(){return this._selection.getTopMostBlocks()}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)}is(t){return\"selection\"==t||\"documentSelection\"==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 ra+t}static _isStoreAttributeKey(t){return t.startsWith(ra)}}ci(sa,ei);class aa extends ta{constructor(t){super(),this.markers=new oo({idProperty:\"name\"}),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 Gn.b(\"document-selection-wrong-position: Range from document selection starts or ends at incorrect position.\",{range:t});this._updateMarkers(),this._updateAttributes(!1)}),this.listenTo(this._model.markers,\"update\",()=>this._updateMarkers()),this.listenTo(this._model,\"applyOperation\",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&\"marker\"!=n.type&&\"rename\"!=n.type&&\"noop\"!=n.type){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})),this._updateMarkers(),this._updateAttributes(!1)}},{priority:\"lowest\"}),this.listenTo(this._document,\"change\",(t,e)=>{!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(ra));for(const i of e)t.removeAttribute(i,n)})}}(this._model,e)})}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=Kn();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._refreshAttributes(),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new Gn.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 bs.a.warn(\"model-selection-range-in-graveyard: Trying to add a Range that is in the graveyard root. Range rejected.\");const e=oa.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}_updateMarkers(){const t=[];for(const e of this._model.markers){const n=e.getRange();for(const i of this.getRanges())n.containsRange(i,!i.isCollapsed)&&t.push(e)}for(const e of t)this.markers.has(e)||this.markers.add(e);for(const e of Array.from(this.markers))t.includes(e)||this.markers.remove(e)}_updateAttributes(t){const e=Vs(this._getSurroundingAttributes()),n=Vs(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(ra)){yield[e.substr(ra.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=ca(e)),n||(n=ca(i)),!this.isGravityOverridden&&!n){let t=e;for(;t&&!n;)n=ca(t=t.previousSibling)}if(!n){let t=i;for(;t&&!n;)n=ca(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;if(\"text\"==i.type){n=i.item.getAttributes();break}}}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 ca(t){return t instanceof Fs||t instanceof zs?t.getAttributes():null}class la{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var da=1,ua=4;var ha=function(t){return Fn(t,da|ua)};class fa extends la{elementToElement(t){return this.add(function(t){return(t=ha(t)).view=pa(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\"})}}(t))}attributeToElement(t){return this.add(function(t){let e=\"attribute:\"+((t=ha(t)).model.key?t.model.key:t.model);t.model.name&&(e+=\":\"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=pa(t.view[e],\"attribute\");else t.view=pa(t.view,\"attribute\");const n=ga(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 ta||n.item instanceof sa)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\"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e=\"attribute:\"+((t=ha(t)).model.key?t.model.key:t.model);t.model.name&&(e+=\":\"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=ba(t.view[e]);else t.view=ba(t.view);const n=ga(t);return i=>{i.on(e,function(t){return(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 bs.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\"})}}(t))}markerToElement(t){return this.add(function(t){return(t=ha(t)).view=pa(t.view,\"ui\"),e=>{e.on(\"addMarker:\"+t.model,function(t){return(e,n,i)=>{n.isOpening=!0;const o=t(n,i.writer);n.isOpening=!1;const r=t(n,i.writer);if(!o||!r)return;const s=n.markerRange;if(s.isCollapsed&&!i.consumable.consume(s,e.name))return;for(const t of s)if(!i.consumable.consume(t.item,e.name))return;const a=i.mapper,c=i.writer;c.insert(a.toViewPosition(s.start),o),i.mapper.bindElementToMarker(o,n.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),i.mapper.bindElementToMarker(r,n.markerName)),e.stop()}}(t.view),{priority:t.converterPriority||\"normal\"}),e.on(\"removeMarker:\"+t.model,(t.view,(t,e,n)=>{const i=n.mapper.markerNameToElements(e.markerName);if(i){n.mapper.unbindElementsFromMarkerName(e.markerName);for(const t of i)n.writer.clear(n.writer.createRangeOn(t),t);n.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||\"normal\"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{e.on(\"addMarker:\"+t.model,function(t){return(e,n,i)=>{if(!n.item)return;if(!(n.item instanceof ta||n.item instanceof sa||n.item.is(\"textProxy\")))return;const o=wa(t,n,i);if(!o)return;if(!i.consumable.consume(n.item,e.name))return;const r=ma(o),s=i.writer,a=s.document.selection;if(n.item instanceof ta||n.item instanceof sa)s.wrap(a.getFirstRange(),r,a);else{const t=i.mapper.toViewRange(n.range),e=s.wrap(t,r);for(const t of e.getItems())if(t.is(\"attributeElement\")&&t.isSimilar(r)){i.mapper.bindElementToMarker(t,n.markerName);break}}}}(t.view),{priority:t.converterPriority||\"normal\"}),e.on(\"addMarker:\"+t.model,function(t){return(e,n,i)=>{if(!n.item)return;if(!(n.item instanceof Hs))return;const o=wa(t,n,i);if(!o)return;if(!i.consumable.test(n.item,e.name))return;const r=i.mapper.toViewElement(n.item);if(r&&r.getCustomProperty(\"addHighlight\")){i.consumable.consume(n.item,e.name);for(const t of Gs._createIn(n.item))i.consumable.consume(t.item,e.name);r.getCustomProperty(\"addHighlight\")(r,o,i.writer),i.mapper.bindElementToMarker(r,n.markerName)}}}(t.view),{priority:t.converterPriority||\"normal\"}),e.on(\"removeMarker:\"+t.model,function(t){return(e,n,i)=>{if(n.markerRange.isCollapsed)return;const o=wa(t,n,i);if(!o)return;const r=ma(o),s=i.mapper.markerNameToElements(n.markerName);if(s){i.mapper.unbindElementsFromMarkerName(n.markerName);for(const t of s)t.is(\"attributeElement\")?i.writer.unwrap(i.writer.createRangeOn(t),r):t.getCustomProperty(\"removeHighlight\")(t,o.id,i.writer);i.writer.clearClonedElementsGroup(n.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||\"normal\"})}}(t))}}function ma(t){const e=new ao(\"span\",t.attributes);return t.classes&&e._addClass(t.classes),t.priority&&(e._priority=t.priority),e._id=t.id,e}function pa(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||ao.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 ga(t){return t.model.values?(e,n)=>{const i=t.view[e];return i?i(e,n):null}:t.view}function ba(t){return\"string\"==typeof t?e=>({key:t,value:e}):\"object\"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function wa(t,e,n){const i=\"function\"==typeof t?t(e,n):t;return i?(i.priority||(i.priority=10),i.id||(i.id=e.markerName),i):null}class _a extends la{elementToElement(t){return this.add(ka(t))}elementToAttribute(t){return this.add(function(t){ya(t=ha(t));const e=xa(t,!1),n=va(t),i=n?\"element:\"+n:\"element\";return n=>{n.on(i,e,{priority:t.converterPriority||\"low\"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e=null;(\"string\"==typeof(t=ha(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));ya(t,e);const n=xa(t,!0);return e=>{e.on(\"element\",n,{priority:t.converterPriority||\"low\"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=((t,n)=>{const i=\"string\"==typeof e?e:e(t);return n.createElement(\"$marker\",{\"data-name\":i})})}(t=ha(t)),ka(t)}(t))}}function ka(t){const e=function(t){const e=t.view?new bi(t.view):null;return(n,i,o)=>{let r={};if(e){const t=e.match(i.viewItem);if(!t)return;r=t.match}r.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))return;const a=o.splitToAllowedParent(s,i.modelCursor);if(!a)return;o.writer.insert(s,a.position),o.convertChildren(i.viewItem,o.writer.createPositionAt(s,0)),o.consumable.consume(i.viewItem,r);const c=o.getSplitParts(s);i.modelRange=new Gs(o.writer.createPositionBefore(s),o.writer.createPositionAfter(c[c.length-1])),a.cursorParent?i.modelCursor=o.writer.createPositionAt(a.cursorParent,0):i.modelCursor=i.modelRange.end}}(t=ha(t)),n=va(t),i=n?\"element:\"+n:\"element\";return n=>{n.on(i,e,{priority:t.converterPriority||\"normal\"})}}function va(t){return\"string\"==typeof t.view?t.view:\"object\"==typeof t.view&&\"string\"==typeof t.view.name?t.view.name:null}function ya(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 xa(t,e){const n=new bi(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&&!va(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)))}}class Aa{constructor(t){this.model=t,this.view=new js,this.mapper=new Qs,this.downcastDispatcher=new Zs({mapper:this.mapper});const e=this.model.document,n=e.selection,i=this.model.markers;this.listenTo(this.model,\"_beforeChanges\",()=>{this.view._disableRendering(!0)},{priority:\"highest\"}),this.listenTo(this.model,\"_afterChanges\",()=>{this.view._disableRendering(!1)},{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 ta,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 Ji(t.name);return e.rootName=t.rootName,e._document=this.view.document,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}ci(Aa,Fi);class Ca{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){const e=this._plugins.get(t);if(!e){const e=\"plugincollection-plugin-not-loaded: The requested plugin is not loaded.\";let n=t;throw\"function\"==typeof t&&(n=t.pluginName||t.name),new Gn.b(e,{plugin:n})}return e}has(t){return this._plugins.has(t)}init(t,e=[]){const n=this,i=this._editor,o=new Set,r=[],s=h(t),a=h(e),c=function(t){const e=[];for(const n of t)u(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 bs.a.error(t,{plugins:c}),Promise.reject(new Gn.b(t,{plugins:c}))}return Promise.all(s.map(l)).then(()=>d(r,\"init\")).then(()=>d(r,\"afterInit\")).then(()=>r);function l(t){if(!a.includes(t)&&!n._plugins.has(t)&&!o.has(t))return function(t){return new Promise(s=>{o.add(t),t.requires&&t.requires.forEach(n=>{const i=u(n);if(e.includes(i))throw new Gn.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 bs.a.error(\"plugincollection-load: It was not possible to load the plugin.\",{plugin:t}),e})}function d(t,e){return t.reduce((t,n)=>n[e]?t.then(n[e].bind(n)):t,Promise.resolve())}function u(t){return\"function\"==typeof t?t:n._availablePlugins.get(t)}function h(t){return t.map(t=>u(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)?bs.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))}}ci(Ca,ei);class Ta{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 Gn.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 Pa(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 Ma{constructor(t){this.language=t||\"en\",this.t=((...t)=>this._t(...t))}_t(t,e){let n=Pa(this.language,t);return e&&(n=n.replace(\/%(\\d+)\/g,(t,n)=>n<e.length?e[n]:t)),n}}class Ea{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 Sa,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 Ea),t.is(\"text\"))return e.add(t),e;t.is(\"element\")&&e.add(t,Ea.consumablesFromElement(t)),t.is(\"documentFragment\")&&e.add(t);for(const n of t.getChildren())e=Ea.createFrom(n,e);return e}}class Sa{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=Wt(e)?e:[e],i=this._consumables[t];for(const e of n){if(\"attributes\"===t&&(\"class\"===e||\"style\"===e))throw new Gn.b(\"viewconsumable-invalid-attribute: Classes and styles should be handled separately.\");i.set(e,!0)}}_test(t,e){const n=Wt(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=Wt(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=Wt(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 Ia{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate(\"checkChild\"),this.decorate(\"checkAttribute\"),this.on(\"checkAttribute\",(t,e)=>{e[0]=new Na(e[0])},{priority:\"highest\"}),this.on(\"checkChild\",(t,e)=>{e[0]=new Na(e[0]),e[1]=this.getDefinition(e[1])},{priority:\"highest\"})}register(t,e){if(this._sourceDefinitions[t])throw new Gn.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 Gn.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)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}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 $s){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof Hs))throw new Gn.b(\"schema-check-merge-no-element-before: The node before the merge position must be an element.\");if(!(n instanceof Hs))throw new Gn.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\"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;if(t instanceof $s)e=t.parent;else{e=(t instanceof Gs?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new zs(\"\",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}getNearestSelectionRange(t,e=\"both\"){if(this.checkChild(t,\"$text\"))return new Gs(t);let n,i;\"both\"!=e&&\"backward\"!=e||(n=new qs({startPosition:t,direction:\"backward\"})),\"both\"!=e&&\"forward\"!=e||(i=new qs({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 Gs._createOn(i.item);if(this.checkChild(i.nextPosition,\"$text\"))return new Gs(i.nextPosition)}return null}findAllowedParent(t,e){let n=t.parent;for(;n;){if(this.checkChild(n,e))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t){for(const t of n.getAttributeKeys())this.checkAttribute(n,t)||e.removeAttribute(t,n);n.is(\"element\")&&this.removeDisallowedAttributes(n.getChildren(),e)}}createContext(t){return new Na(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const i of n)t[i]=Oa(e[i],i);for(const e of n)Ra(t,e);for(const e of n)Da(t,e);for(const e of n)La(t,e),ja(t,e);for(const e of n)Va(t,e),Ba(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const i=e.getItem(n);if(t.allowIn.includes(i.name)){if(0==n)return!0;{const t=this.getDefinition(i);return this._checkContextMatch(t,e,n-1)}}return!1}*_getValidRangesForRange(t,e){let n=t.start,i=t.start;for(const o of t.getItems({shallow:!0}))o.is(\"element\")&&(yield*this._getValidRangesForRange(Gs._createIn(o),e)),this.checkAttribute(o,e)||(n.isEqual(i)||(yield new Gs(n,i)),n=$s._createAfter(o)),i=$s._createAfter(o);n.isEqual(i)||(yield new Gs(n,i))}}ci(Ia,Fi);class Na{constructor(t){if(t instanceof Na)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(Ua)}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 Na([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 Oa(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),za(t,n,\"allowIn\"),za(t,n,\"allowContentOf\"),za(t,n,\"allowWhere\"),za(t,n,\"allowAttributes\"),za(t,n,\"allowAttributesOf\"),za(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 Ra(t,e){for(const n of t[e].allowContentOf)if(t[n]){Fa(t,n).forEach(t=>{t.allowIn.push(e)})}delete t[e].allowContentOf}function Da(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 La(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 ja(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const i=t[e];if(i){const t=Object.keys(i).filter(t=>t.startsWith(\"is\"));for(const e of t)e in n||(n[e]=i[e])}}delete n.inheritTypesFrom}function Va(t,e){const n=t[e],i=n.allowIn.filter(e=>t[e]);n.allowIn=Array.from(new Set(i))}function Ba(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function za(t,e,n){for(const i of t)\"string\"==typeof i[n]?e[n].push(i[n]):Array.isArray(i[n])&&e[n].push(...i[n])}function Fa(t,e){const n=t[e];return function(t){return Object.keys(t).map(e=>t[e])}(t).filter(t=>t.allowIn.includes(n.name))}function Ua(t){return\"string\"==typeof t?{name:t,*getAttributeKeys(){},getAttribute(){}}:{name:t.is(\"element\")?t.name:\"$text\",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}class Ha{constructor(t={}){this._splitParts=new Map,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),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=[\"$root\"]){this.fire(\"viewCleanup\",t),this._modelCursor=function(t,e){let n;for(const i of new Na(t)){const t={};for(const e of i.getAttributeKeys())t[e]=i.getAttribute(e);const o=e.createElement(i.name,t);n&&e.append(o,n),n=$s._createAt(o,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=Ea.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=Gs._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 Gs(o.clone())),e.remove(t)}return i}(o,e)}return this._modelCursor=null,this._splitParts.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 Gs))throw new Gn.b(\"view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.\");return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){const n=new Gs(e);let i=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);t.modelRange instanceof Gs&&(n.end=t.modelRange.end,i=t.modelCursor)}return{modelRange:n,modelCursor:i}}_splitToAllowedParent(t,e){const n=this.conversionApi.schema.findAllowedParent(e,t);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),o=[];for(const t of i.range.getWalker())if(\"elementEnd\"==t.type)o.push(t.item);else{const e=o.pop(),n=t.item;this._registerSplitPair(e,n)}return{position:i.position,cursorParent:i.range.end.parent}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const n=this._splitParts.get(t);this._splitParts.set(e,n),n.push(e)}_getSplitParts(t){let e;return e=this._splitParts.has(t)?this._splitParts.get(t):[t]}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}ci(Ha,ei);class qa{constructor(t,e){this.model=t,this.processor=e,this.mapper=new Qs,this.downcastDispatcher=new Zs({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 Ha({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=Gs._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\"),this.on(\"init\",()=>{this.fire(\"ready\")},{priority:\"lowest\"})}get(t){const{rootName:e=\"main\",trim:n=\"empty\"}=t||{};if(!this._checkIfRootsExists([e]))throw new Gn.b(\"datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.\");const i=this.model.document.getRoot(e);return\"empty\"!==n||this.model.hasContent(i,{ignoreWhitespaces:!0})?this.stringify(i):\"\"}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){this.mapper.clearBindings();const e=Gs._createIn(t),n=new Ao,i=new Co(new ro);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=Gs._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){if(this.model.document.version)throw new Gn.b(\"datacontroller-init-document-not-empty: Trying to set initial data to not empty document.\");let e={};if(\"string\"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new Gn.b(\"datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.\");return this.model.enqueueChange(\"transparent\",t=>{for(const n of Object.keys(e)){const i=this.model.document.getRoot(n);t.insert(this.parse(e[n],i),i,0)}}),Promise.resolve()}set(t){let e={};if(\"string\"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new Gn.b(\"datacontroller-set-non-existent-root: Attempting to set data on a non-existing root.\");this.model.enqueueChange(\"transparent\",t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(e)){const i=this.model.document.getRoot(n);t.remove(t.createRangeIn(i)),t.insert(this.parse(e[n],i),i,0)}})}parse(t,e=\"$root\"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e=\"$root\"){return this.model.change(n=>this.upcastDispatcher.convert(t,n,e))}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}ci(qa,Fi);class Wa{constructor(t,e){this._helpers=new Map,this._downcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:\"downcast\",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:\"upcast\",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const n=this._downcast.includes(e);if(!this._upcast.includes(e)&&!n)throw new Gn.b(\"conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.\");this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t))throw new Gn.b(\"conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.\");return this._helpers.get(t)}elementToElement(t){this.for(\"downcast\").elementToElement(t);for(const{model:e,view:n}of Ya(t))this.for(\"upcast\").elementToElement({model:e,view:n,converterPriority:t.converterPriority})}attributeToElement(t){this.for(\"downcast\").attributeToElement(t);for(const{model:e,view:n}of Ya(t))this.for(\"upcast\").elementToAttribute({view:n,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for(\"downcast\").attributeToAttribute(t);for(const{model:e,view:n}of Ya(t))this.for(\"upcast\").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new Gn.b(\"conversion-group-exists: Trying to register a group name that has already been registered.\");const i=n?new fa(e):new _a(e);this._helpers.set(t,i)}}function*Ya(t){if(t.model.values)for(const e of t.model.values){yield*$a({key:t.model.key,value:e},t.view[e],t.upcastAlso?t.upcastAlso[e]:void 0)}else yield*$a(t.model,t.view,t.upcastAlso)}function*$a(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 Ga{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 Ja{constructor(t){this.markers=new Map,this._children=new Us,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(Hs.fromJSON(n)):e.push(zs.fromJSON(n));return new Ja(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if(\"string\"==typeof t)return[new zs(t)];gi(t)||(t=[t]);return Array.from(t).map(t=>\"string\"==typeof t?new zs(t):t instanceof Fs?new zs(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 Ka(t,e){const n=(e=tc(e)).reduce((t,e)=>t+e.offsetSize,0),i=t.parent;nc(t);const o=t.index;return i._insertChild(o,e),ec(i,o+e.length),ec(i,o),new Gs(t,t.getShiftedBy(n))}function Za(t){if(!t.isFlat)throw new Gn.b(\"operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.\");const e=t.start.parent;nc(t.start),nc(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return ec(e,t.start.index),n}function Xa(t,e){if(!t.isFlat)throw new Gn.b(\"operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.\");const n=Za(t);return Ka(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function tc(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if(\"string\"==typeof t[n])e.push(new zs(t[n]));else if(t[n]instanceof Fs)e.push(new zs(t[n].data,t[n].getAttributes()));else if(t[n]instanceof Ja||t[n]instanceof Us)for(const i of t[n])e.push(i);else t[n]instanceof Bs&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],i=e[t-1];n instanceof zs&&i instanceof zs&&ic(n,i)&&(e.splice(t-1,2,new zs(i.data+n.data,i.getAttributes())),t--)}return e}function ec(t,e){const n=t.getChild(e-1),i=t.getChild(e);if(n&&i&&n.is(\"text\")&&i.is(\"text\")&&ic(n,i)){const o=new zs(n.data+i.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,o)}}function nc(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 zs(e.data.substr(0,i),e.getAttributes()),s=new zs(e.data.substr(i),e.getAttributes());n._insertChild(o,[r,s])}}function ic(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 oc=function(t,e){return Jr(t,e)};class rc 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 rc(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new rc(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 Gn.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&&!oc(t.getAttribute(this.key),this.oldValue))throw new Gn.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 Gn.b(\"attribute-operation-attribute-exists: The attribute with given key already exists.\",{node:t,key:this.key})}}_execute(){oc(this.oldValue,this.newValue)||function(t,e,n){nc(t.start),nc(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),ec(t.parent,t.index)}ec(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return\"AttributeOperation\"}static fromJSON(t,e){return new rc(Gs.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class sc 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 Gn.b(\"detach-operation-on-document-node: Cannot detach document node.\")}_execute(){Za(Gs._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return\"DetachOperation\"}}class ac 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 Gn.b(\"move-operation-position-invalid: Source position or target position is invalid.\");if(n+this.howMany>t.maxOffset)throw new Gn.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 Gn.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\"==li(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 Gn.b(\"move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.\")}}_execute(){Xa(Gs._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=$s.fromJSON(t.sourcePosition,e),i=$s.fromJSON(t.targetPosition,e);return new this(n,t.howMany,i,t.baseVersion)}}class cc extends Qa{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness=\"toNone\",this.nodes=new Us(tc(e)),this.shouldReceiveAttributes=!1}get type(){return\"insert\"}get howMany(){return this.nodes.maxOffset}clone(){const t=new Us([...this.nodes].map(t=>t._clone(!0))),e=new cc(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new $s(t,[0]);return new ac(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new Gn.b(\"insert-operation-position-invalid: Insertion position is invalid.\")}_execute(){const t=this.nodes;this.nodes=new Us([...t].map(t=>t._clone(!0))),Ka(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return\"InsertOperation\"}static fromJSON(t,e){const n=[];for(const e of t.nodes)e.name?n.push(Hs.fromJSON(e)):n.push(zs.fromJSON(e));const i=new cc($s.fromJSON(t.position,e),n,t.baseVersion);return i.shouldReceiveAttributes=t.shouldReceiveAttributes,i}}class lc 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 lc(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new lc(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 lc(t.name,t.oldRange?Gs.fromJSON(t.oldRange,e):null,t.newRange?Gs.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class dc 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 dc(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new dc(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Hs))throw new Gn.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 Gn.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 dc($s.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class uc 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 uc(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new uc(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is(\"documentFragment\"))throw new Gn.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 Gn.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 Gn.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 Gn.b(\"rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.\",{rootName:t.root});return new uc(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class hc 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 $s(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Gs(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 $s(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),i=new fc(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return i.insertionPosition=n,i}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!(t&&t.is(\"element\")&&t.parent))throw new Gn.b(\"merge-operation-source-position-invalid: Merge source position is invalid.\");if(!(e&&e.is(\"element\")&&e.parent))throw new Gn.b(\"merge-operation-target-position-invalid: Merge target position is invalid.\");if(this.howMany!=t.maxOffset)throw new Gn.b(\"merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.\")}_execute(){const t=this.sourcePosition.parent;Xa(Gs._createIn(t),this.targetPosition),Xa(Gs._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return\"MergeOperation\"}static fromJSON(t,e){const n=$s.fromJSON(t.sourcePosition,e),i=$s.fromJSON(t.targetPosition,e),o=$s.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,i,o,t.baseVersion)}}class fc extends Qa{constructor(t,e,n,i){super(i),this.splitPosition=t.clone(),this.splitPosition.stickiness=\"toNext\",this.howMany=e,this.insertionPosition=fc.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 $s(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Gs(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 $s(t,[0]);return new hc(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new Gn.b(\"split-operation-position-invalid: Split position is invalid.\");if(!t.parent)throw new Gn.b(\"split-operation-split-in-root: Cannot split root element.\");if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new Gn.b(\"split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.\");if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new Gn.b(\"split-operation-graveyard-position-invalid: Graveyard position invalid.\")}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)Xa(Gs._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();Ka(this.insertionPosition,e)}Xa(new Gs($s._createAt(t,this.splitPosition.offset),$s._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 $s(t.root,e)}static fromJSON(t,e){const n=$s.fromJSON(t.splitPosition,e),i=$s.fromJSON(t.insertionPosition,e),o=t.graveyardPosition?$s.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,o,t.baseVersion);return r.insertionPosition=i,r}}class mc extends Hs{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 pc{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new zs(t,e)}createElement(t,e){return new Hs(t,e)}createDocumentFragment(){return new Ja}insert(t,e,n=0){if(this._assertWriterUsedCorrectly(),t instanceof zs&&\"\"==t.data)return;const i=$s._createAt(e,n);if(t.parent){if(kc(t.root,i.root))return void this.move(Gs._createOn(t),i);if(t.root.document)throw new Error(\"model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree.\");this.remove(t)}const o=i.root.document?i.root.document.version:null,r=new cc(i,t,o);if(t instanceof zs&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof Ja)for(const[e,n]of t.markers){const t=$s._createAt(n.root,0),o=new Gs(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 Ja||e instanceof Hs||e instanceof $s?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,i)}insertElement(t,e,n,i){e instanceof Ja||e instanceof Hs||e instanceof $s?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,i)}append(t,e){this.insert(t,e,\"end\")}appendText(t,e,n){e instanceof Ja||e instanceof Hs?this.insert(this.createText(t),e,\"end\"):this.insert(this.createText(t,e),n,\"end\")}appendElement(t,e,n){e instanceof Ja||e instanceof Hs?this.insert(this.createElement(t),e,\"end\"):this.insert(this.createElement(t,e),n,\"end\")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof Gs){const i=n.getMinimalFlatRanges();for(const n of i)gc(this,t,e,n)}else bc(this,t,e,n)}setAttributes(t,e){for(const[n,i]of Vs(t))this.setAttribute(n,i,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof Gs){const n=e.getMinimalFlatRanges();for(const e of n)gc(this,t,null,e)}else bc(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof Gs)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof Gs))throw new Gn.b(\"writer-move-invalid-range: Invalid range to move.\");if(!t.isFlat)throw new Gn.b(\"writer-move-range-not-flat: Range to move is not flat.\");const i=$s._createAt(e,n);if(i.isEqual(t.start))return;if(this._addOperationForAffectedMarkers(\"move\",t),!kc(t.root,i.root))throw new Gn.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 ac(t.start,t.end.offset-t.start.offset,i,o);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof Gs?t:Gs._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers(\"move\",t),_c(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,n=t.nodeAfter;if(this._addOperationForAffectedMarkers(\"merge\",t),!(e instanceof Hs))throw new Gn.b(\"writer-merge-no-element-before: Node before merge position must be an element.\");if(!(n instanceof Hs))throw new Gn.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(Gs._createIn(n),$s._createAt(e,\"end\")),this.remove(n)}_merge(t){const e=$s._createAt(t.nodeBefore,\"end\"),n=$s._createAt(t.nodeAfter,0),i=t.root.document.graveyard,o=new $s(i,[0]),r=t.root.document.version,s=new hc(n,t.nodeAfter.maxOffset,e,o,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof Hs))throw new Gn.b(\"writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.\");const n=t.root.document?t.root.document.version:null,i=new dc($s._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 Gn.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 Gn.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 fc(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 Gs($s._createAt(n,\"end\"),$s._createAt(i,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new Gn.b(\"writer-wrap-range-not-flat: Range to wrap is not flat.\");const n=e instanceof Hs?e:new Hs(e);if(n.childCount>0)throw new Gn.b(\"writer-wrap-element-not-empty: Element to wrap with is not empty.\");if(null!==n.parent)throw new Gn.b(\"writer-wrap-element-attached: Element to wrap with is already attached to tree model.\");this.insert(n,t.start);const i=new Gs(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(i,$s._createAt(n,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new Gn.b(\"writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.\");this.move(Gs._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||\"boolean\"!=typeof e.usingOperation)throw new Gn.b(\"writer-addMarker-no-usingOperation: The options.usingOperation 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 Gn.b(\"writer-addMarker-marker-exists: Marker with provided name already exists.\");if(!i)throw new Gn.b(\"writer-addMarker-no-range: Range parameter is required when adding a new marker.\");return n?(wc(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 Gn.b(\"writer-updateMarker-marker-not-exists: Marker with provided name does not exists.\");if(!e)return void this.model.markers._refresh(i);const o=\"boolean\"==typeof e.usingOperation,r=\"boolean\"==typeof e.affectsData,s=r?e.affectsData:i.affectsData;if(!o&&!e.range&&!r)throw new Gn.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?wc(this,n,null,c,s):(wc(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):i.managedUsingOperations?wc(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 Gn.b(\"writer-removeMarker-no-marker: Trying to remove marker which does not exist.\");const n=this.model.markers.get(e);n.managedUsingOperations?wc(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 Vs(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=sa._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=sa._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new Gn.b(\"writer-incorrect-use: Trying to use a writer outside the change() block.\")}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const i=n.getRange();let o=!1;if(\"move\"==t)o=e.containsPosition(i.start)||e.start.isEqual(i.start)||e.containsPosition(i.end)||e.end.isEqual(i.end);else{const t=e.nodeBefore,n=e.nodeAfter,r=i.start.parent==t&&i.start.isAtEnd,s=i.end.parent==n&&0==i.end.offset;o=r||s}o&&this.updateMarker(n.name,{range:i})}}}function gc(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 Gs(l,s),c=i.root.document?r.version:null,d=new rc(i,e,a,n,c);t.batch.addOperation(d),o.applyOperation(d)}s instanceof $s&&s!=l&&a!=n&&d()}function bc(t,e,n,i){const o=t.model,r=o.document,s=i.getAttribute(e);let a,c;if(s!=n){if(i.root===i){const t=i.document?r.version:null;c=new uc(i,e,s,n,t)}else{const o=(a=new Gs($s._createBefore(i),t.createPositionAfter(i))).root.document?r.version:null;c=new rc(a,e,s,n,o)}t.batch.addOperation(c),o.applyOperation(c)}}function wc(t,e,n,i,o){const r=t.model,s=r.document,a=new lc(e,n,i,r.markers,o,s.version);t.batch.addOperation(a),r.applyOperation(a)}function _c(t,e,n,i){let o;if(t.root.document){const n=i.document,r=new $s(n.graveyard,[0]);o=new ac(t,e,r,n.version)}else o=new sc(t,e);n.addOperation(o),i.applyOperation(o)}function kc(t,e){return t===e||t instanceof mc&&e instanceof mc}class vc{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\":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case\"rename\":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=Gs._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}getChangedMarkers(){return Array.from(this._changedMarkers).map(t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}}))}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=yc(t.getChildren()),r=xc(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 Gs($s._createAt(t,s),$s._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new Gs($s._createAt(t,s),$s._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(Ac),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,yc(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);if(\"remove\"==n.type&&t.offset<n.offset&&i>n.offset){const o={type:\"attribute\",offset:n.offset,howMany:i-n.offset,count:this._changeCount++};this._handleChange(o,e),e.push(o),t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}\"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:$s._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:\"remove\",position:$s._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 Gs($s._createAt(t,e),$s._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 yc(t){const e=[];for(const n of t)if(n.is(\"text\"))for(let t=0;t<n.data.length;t++)e.push({name:\"$text\",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function xc(t,e){const n=[];let i=0,o=0;for(const t of e)t.offset>i&&(n.push(...\"e\".repeat(t.offset-i).split(\"\")),o+=t.offset-i),\"insert\"==t.type?(n.push(...\"i\".repeat(t.howMany).split(\"\")),i=t.offset+t.howMany):\"remove\"==t.type?(n.push(...\"r\".repeat(t.howMany).split(\"\")),i=t.offset,o+=t.howMany):(n.push(...\"a\".repeat(t.howMany).split(\"\")),i=t.offset+t.howMany,o+=t.howMany);return o<t&&n.push(...\"e\".repeat(t-o).split(\"\")),n}function Ac(t){const e=t.position&&\"$graveyard\"==t.position.root.rootName,n=t.range&&\"$graveyard\"==t.range.root.rootName;return!e&&!n}class Cc{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){return t<0?[]:this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function Tc(t,e){return function(t){return!!t&&1==t.length&&\/[\\ud800-\\udbff]\/.test(t)}(t.charAt(e-1))&&function(t){return!!t&&1==t.length&&\/[\\udc00-\\udfff]\/.test(t)}(t.charAt(e))}function Pc(t,e){return function(t){return!!t&&1==t.length&&\/[\\u0300-\\u036f\\u1ab0-\\u1aff\\u1dc0-\\u1dff\\u20d0-\\u20ff\\ufe20-\\ufe2f]\/.test(t)}(t.charAt(e))}const Mc=\"$graveyard\";class Ec{constructor(t){this.model=t,this.version=0,this.history=new Cc(this),this.selection=new sa(this),this.roots=new oo({idProperty:\"rootName\"}),this.differ=new vc(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot(\"$root\",Mc),this.listenTo(t,\"applyOperation\",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new Gn.b(\"model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.\",{operation:n})},{priority:\"highest\"}),this.listenTo(t,\"applyOperation\",(t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:\"high\"}),this.listenTo(t,\"applyOperation\",(t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:\"low\"}),this.listenTo(this.selection,\"change\",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,\"update\",(t,e,n,i)=>{this.differ.bufferMarkerChange(e.name,n,i,e.affectsData),null===n&&e.on(\"change\",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot(Mc)}createRoot(t=\"$root\",e=\"main\"){if(this.roots.get(e))throw new Gn.b(\"model-document-createRoot-name-exists: Root with specified name already exists.\",{name:e});const n=new mc(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!=Mc)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=ui(this);return t.selection=\"[engine.model.DocumentSelection]\",t.model=\"[engine.model.Model]\",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.differ.hasDataChanges()?this.fire(\"change:data\",t.batch):this.fire(\"change\",t.batch),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_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 Sc(t.start)&&Sc(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t))break}while(e)}}function Sc(t){const e=t.textNode;if(e){const n=e.data,i=t.offset-e.startOffset;return!Tc(n,i)&&!Pc(n,i)}return!0}ci(Ec,ei);class Ic{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 Nc?t.name:t,r=this._markers.get(o);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(oa.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=oa.fromRange(e),a=new Nc(o,s,n,i);return this._markers.set(o,a),this.fire(\"update:\"+o,a,null,e),a}_remove(t){const e=t instanceof Nc?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)}_refresh(t){const e=t instanceof Nc?t.name:t,n=this._markers.get(e);if(!n)throw new Gn.b(\"markercollection-refresh-marker-not-exists: Marker with provided name does not exists.\");const i=n.getRange();this.fire(\"update:\"+e,n,i,i,n.managedUsingOperations,n.affectsData)}*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()}}ci(Ic,ei);class Nc{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 Gn.b(\"marker-destroyed: Cannot use a destroyed marker instance.\");return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new Gn.b(\"marker-destroyed: Cannot use a destroyed marker instance.\");return this._affectsData}getStart(){if(!this._liveRange)throw new Gn.b(\"marker-destroyed: Cannot use a destroyed marker instance.\");return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new Gn.b(\"marker-destroyed: Cannot use a destroyed marker instance.\");return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new Gn.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}}ci(Nc,ei);class Oc extends $s{constructor(t,e,n=\"toNone\"){if(super(t,e,n),!this.root.is(\"rootElement\"))throw new Gn.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 $s(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}ci(Oc,ei);class Rc{constructor(t,e,n){this.model=t,this.writer=e,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t,e){t=Array.from(t);for(let n=0;n<t.length;n++){const i=t[n];this._handleNode(i,{isFirst:0===n&&e.isFirst,isLast:n===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?Gs._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Gs(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){if(this.schema.isObject(t))return void this._handleObject(t,e);this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is(\"element\")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))return void bs.a.error(\"insertcontent-wrong-position: The node cannot be inserted on the given position.\",{node:t,position:this.position});const e=Oc.fromPosition(this.position,\"toNext\");this._setAffectedBoundaries(this.position),this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,\"$text\")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=Oc.fromPosition(t,\"toPrevious\")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=Oc.fromPosition(t,\"toNext\"))}_mergeSiblingsOf(t,e){if(!(t instanceof Hs))return;const n=this._canMergeLeft(t,e),i=this._canMergeRight(t,e),o=Oc._createBefore(t);o.stickiness=\"toNext\";const r=Oc._createAfter(t);if(r.stickiness=\"toNext\",n){const t=Oc.fromPosition(this.position);t.stickiness=\"toNext\",this._affectedStart.isEqual(o)&&(this._affectedStart.detach(),this._affectedStart=Oc._createAt(o.nodeBefore,\"end\",\"toPrevious\")),this.writer.merge(o),o.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=Oc._createAt(o.nodeBefore,\"end\",\"toNext\")),this.position=t.toPosition(),t.detach()}if(i){this.position.isEqual(r)||bs.a.error(\"insertcontent-wrong-position-on-merge: The insertion position should equal the merge position\"),this.position=$s._createAt(r.nodeBefore,\"end\");const t=Oc.fromPosition(this.position,\"toPrevious\");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=Oc._createAt(r.nodeBefore,\"end\",\"toNext\")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=Oc._createAt(r.nodeBefore,0,\"toPrevious\")),this.position=t.toPosition(),t.detach()}(n||i)&&this._filterAttributesOf.push(this.position.parent),o.detach(),r.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof Hs&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof Hs&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(t,n)}_tryAutoparagraphing(t,e){const n=this.writer.createElement(\"paragraph\");this._getAllowedIn(n,this.position.parent)&&this.schema.checkChild(n,t)&&(n._appendChild(t),this._handleNode(n,e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(;e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function Dc(t,e,n={}){if(e.isCollapsed)return;const i=e.getFirstRange();if(\"$graveyard\"==i.root.rootName)return;const o=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\")}(o,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),Lc(t,t.createPositionAt(n,0),e)}(t,e);const r=i.start,s=Oc.fromPosition(i.end,\"toNext\");if(i.start.isTouching(i.end)||t.remove(i),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 Gs(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),o.removeDisallowedAttributes(r.parent.getChildren(),t)),jc(t,e,r),function(t,e){const n=t.checkChild(e,\"$text\"),i=t.checkChild(e,\"paragraph\");return!n&&i}(o,r)){const i=o.getNearestSelectionRange(r);n.doNotAutoparagraph&&i?jc(t,e,i):Lc(t,r,e)}s.detach()})}function Lc(t,e,n){const i=t.createElement(\"paragraph\");t.insert(i,e),jc(t,n,t.createPositionAt(i,0))}function jc(t,e,n){e instanceof sa?t.setSelection(n):e.setTo(n)}const Vc=' ,.?!:;\"-()';function Bc(t,e,n={}){const i=t.schema,o=\"backward\"!=n.direction,r=n.unit?n.unit:\"character\",s=e.focus,a=new qs({boundaries:function(t,e){const n=t.root,i=$s._createAt(n,e?\"end\":0);return e?new Gs(t,i):new Gs(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=zc(c,l.value);if(n)return void(e instanceof sa?t.change(t=>{t.setSelectionFocus(n)}):e.setFocus(n))}}function zc(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(;!Fc(n.data,i,e)&&!Uc(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);Vc.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(;Tc(i,o)||\"character\"==e&&Pc(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 $s._createAt(e.item,t.isForward?\"after\":\"before\");if(t.schema.checkChild(e.nextPosition,\"$text\"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,\"$text\"))return e.nextPosition}}function Fc(t,e,n){const i=e+(n?0:-1);return Vc.includes(t.charAt(i))}function Uc(t,e,n){return e===(n?t.endOffset:0)}function Hc(t,e){const n=[];Array.from(t.getItems({direction:\"backward\"})).map(t=>e.createRangeOn(t)).filter(e=>{return(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))}).forEach(t=>{n.push(t.start.parent),e.remove(t)}),n.forEach(t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}})}function qc(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.selection,i=e.schema,o=[];let r=!1;for(const t of n.getRanges()){const e=Wc(t,i);e?(o.push(e),r=!0):o.push(t)}if(r){let e=o;if(o.length>1){const t=o[0].start,n=o[o.length-1].end;e=[new Gs(t,n)]}t.setSelection(e,{backward:n.isBackward})}})(e,t))}function Wc(t,e){return t.isCollapsed?function(t,e){const n=t.start,i=e.getNearestSelectionRange(n);if(!i)return null;const o=i.start;if(n.isEqual(o))return null;if(o.nodeAfter&&e.isLimit(o.nodeAfter))return new Gs(o,$s._createAfter(o.nodeAfter));return new Gs(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=n.nodeAfter&&e.isObject(n.nodeAfter),o=t?null:e.getNearestSelectionRange(n,\"forward\"),r=i.nodeBefore&&e.isObject(i.nodeBefore),s=r?null:e.getNearestSelectionRange(i,\"backward\"),a=o?o.start:n,c=s?s.start:i;return new Gs(a,c)}}const c=s&&!s.is(\"rootElement\"),l=a&&!a.is(\"rootElement\");if(c||l){const t=n.nodeAfter&&i.nodeBefore&&n.nodeAfter.parent===i.nodeBefore.parent,o=c&&(!t||!$c(n.nodeAfter,e)),r=l&&(!t||!$c(i.nodeBefore,e));let d=n,u=i;return o&&(d=$s._createBefore(Yc(s,e))),r&&(u=$s._createAfter(Yc(a,e))),new Gs(d,u)}return null}(t,e)}function Yc(t,e){let n=t,i=n;for(;e.isLimit(i)&&i.parent;)n=i,i=i.parent;return n}function $c(t,e){return t&&e.isObject(t)}class Gc{constructor(){this.markers=new Ic,this.document=new Ec(this),this.schema=new Ia,this._pendingChanges=[],this._currentWriter=null,[\"insertContent\",\"deleteContent\",\"modifySelection\",\"getSelectedContent\",\"applyOperation\"].forEach(t=>this.decorate(t)),this.on(\"applyOperation\",(t,e)=>{e[0]._validate()},{priority:\"highest\"}),this.schema.register(\"$root\",{isLimit:!0}),this.schema.register(\"$block\",{allowIn:\"$root\",isBlock:!0}),this.schema.register(\"$text\",{allowIn:\"$block\",isInline:!0}),this.schema.register(\"$clipboardHolder\",{allowContentOf:\"$root\",isLimit:!0}),this.schema.extend(\"$text\",{allowIn:\"$clipboardHolder\"}),this.schema.register(\"$marker\"),this.schema.addChildCheck((t,e)=>{if(\"$marker\"===e.name)return!0}),qc(this)}change(t){return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new Ga,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}enqueueChange(t,e){\"string\"==typeof t?t=new Ga(t):\"function\"==typeof t&&(e=t,t=new Ga),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}applyOperation(t){t._execute()}insertContent(t,e,n){return function(t,e,n,i){return t.change(o=>{let r;const s=(r=n?n instanceof ta||n instanceof sa?n:o.createSelection(n,i):t.document.selection).getFirstPosition();r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const a=new Rc(t,o,s);let c;c=e.is(\"documentFragment\")?e.getChildren():[e],a.handleNodes(c,{isFirst:!0,isLast:!0});const l=a.getSelectionRange();l?r instanceof sa?o.setSelection(l):r.setTo(l):bs.a.warn(\"insertcontent-no-range: Cannot determine a proper selection range after insertion.\");const d=a.getAffectedRange()||t.createRange(s);return a.destroy(),d})}(this,t,e,n)}deleteContent(t,e){Dc(this,t,e)}modifySelection(t,e){Bc(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);Hc(t.createRange(e.end,t.createPositionAt(n,\"end\")),t),Hc(o,t)}return n})}(this,t)}hasContent(t,e){const n=t instanceof Hs?Gs._createIn(t):t;if(n.isCollapsed)return!1;for(const t of this.markers.getMarkersIntersectingRange(n))if(t.affectsData)return!0;const{ignoreWhitespaces:i=!1}=e||{};for(const t of n.getItems())if(t.is(\"textProxy\")){if(!i)return!0;if(-1!==t.data.search(\/\\S\/))return!0}else if(this.schema.isObject(t))return!0;return!1}createPositionFromPath(t,e,n){return new $s(t,e,n)}createPositionAt(t,e){return $s._createAt(t,e)}createPositionAfter(t){return $s._createAfter(t)}createPositionBefore(t){return $s._createBefore(t)}createRange(t,e){return new Gs(t,e)}createRangeIn(t){return Gs._createIn(t)}createRangeOn(t){return Gs._createOn(t)}createSelection(t,e,n){return new ta(t,e,n)}createBatch(){return new Ga}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 pc(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire(\"_afterChanges\"),t}}ci(Gc,Fi);class Qc{constructor(){this._listener=Object.create(lr)}listenTo(t){this._listener.listenTo(t,\"keydown\",(t,e)=>{this._listener.fire(\"_keydown:\"+wo(e),e)})}set(t,e,n={}){const i=_o(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:\"+wo(t),t)}destroy(){this._listener.stopListening()}}class Jc extends Qc{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)}}class Kc{constructor(t){const e=this.constructor.builtinPlugins;this.config=new Yn(t,this.constructor.defaultConfig),this.config.define(\"plugins\",e),this.plugins=new Ca(this,e),this.commands=new Ta,this.locale=new Ma(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 Gc,this.data=new qa(this.model),this.editing=new Aa(this.model),this.editing.view.document.bind(\"isReadOnly\").to(this),this.conversion=new Wa([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias(\"dataDowncast\",this.data.downcastDispatcher),this.conversion.addAlias(\"editingDowncast\",this.editing.downcastDispatcher),this.keystrokes=new Jc(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get(\"plugins\")||[],n=t.get(\"removePlugins\")||[],i=t.get(\"extraPlugins\")||[];return this.plugins.init(e.concat(i),n)}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)}}ci(Kc,Fi);var Zc={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var Xc={updateSourceElement(){if(!this.sourceElement)throw new Gn.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 tl{getHtml(t){const e=document.implementation.createHTMLDocument(\"\").createElement(\"div\");return e.appendChild(t),e.innerHTML}}class el{constructor(){this._domParser=new DOMParser,this._domConverter=new rr({blockFiller:jo}),this._htmlWriter=new tl}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 nl{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 Gn.b(\"componentfactory-item-exists: The item already exists in the component factory.\",{name:t});this._components.set(il(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new Gn.b(\"componentfactory-item-missing: The required component is not registered in the factory.\",{name:t});return this._components.get(il(t)).callback(this.editor.locale)}has(t){return this._components.has(il(t))}}function il(t){return String(t).toLowerCase()}class ol{constructor(){this.set(\"isFocused\",!1),this.set(\"focusedElement\",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new Gn.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))}destroy(){this.stopListening()}_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)}}ci(ol,lr),ci(ol,Fi);class rl{constructor(t){this.editor=t,this.componentFactory=new nl(t),this.focusTracker=new ol,this._editableElements=new Map,this.listenTo(t.editing.view.document,\"layoutChanged\",()=>this.update())}get element(){return null}update(){this.fire(\"update\")}destroy(){this.stopListening(),this.focusTracker.destroy(),this._editableElements=new Map}getEditableElement(t=\"main\"){return this._editableElements.get(t)}getEditableElementsNames(){return this._editableElements.keys()}}ci(rl,ei);n(44);const sl=new WeakMap;function al(t){const{view:e,element:n,text:i,isDirectHost:o=!0}=t,r=e.document;sl.has(r)||(sl.set(r,new Map),r.registerPostFixer(t=>ll(r,t))),sl.get(r).set(n,{text:i,isDirectHost:o}),e.change(t=>ll(r,t))}function cl(t,e){return!!e.hasClass(\"ck-placeholder\")&&(t.removeClass(\"ck-placeholder\",e),!0)}function ll(t,e){const n=sl.get(t);let i=!1;for(const[t,o]of n)dl(e,t,o)&&(i=!0);return i}function dl(t,e,n){const{text:i,isDirectHost:o}=n,r=o?e:function(t){if(1===t.childCount){const e=t.getChild(0);if(e.is(\"element\")&&!e.is(\"uiElement\"))return e}return null}(e);let s=!1;return!!r&&(n.hostElement=r,r.getAttribute(\"data-placeholder\")!==i&&(t.setAttribute(\"data-placeholder\",i,r),s=!0),!function(t){const e=t.document;if(!e)return!1;const n=!Array.from(t.getChildren()).some(t=>!t.is(\"uiElement\"));if(!e.isFocused&&n)return!0;const i=e.selection.anchor;return!(!n||!i||i.parent===t)}(r)?cl(t,r)&&(s=!0):function(t,e){return!e.hasClass(\"ck-placeholder\")&&(t.addClass(\"ck-placeholder\",e),!0)}(t,r)&&(s=!0),s)}class ul{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 hl extends rl{constructor(t,e){super(t),this.view=e,this._toolbarConfig=function(t){return Array.isArray(t)?{items:t}:t?Object.assign({items:[]},t):{items:[]}}(t.config.get(\"toolbar\")),this._elementReplacer=new ul}get element(){return this.view.element}init(t){const e=this.editor,n=this.view,i=e.editing.view,o=n.editable,r=i.document.getRoot();o.name=r.rootName,n.render();const s=o.element;this._editableElements.set(o.name,s),this.focusTracker.add(s),n.editable.bind(\"isFocused\").to(this.focusTracker),i.attachDomRoot(s),t&&this._elementReplacer.replace(t,this.element),this._initPlaceholder(),this._initToolbar(),this.fire(\"ready\")}destroy(){const t=this.view,e=this.editor.editing.view;this._elementReplacer.restore(),e.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initToolbar(){const t=this.editor,e=this.view,n=t.editing.view;e.stickyPanel.bind(\"isActive\").to(this.focusTracker,\"isFocused\"),e.stickyPanel.limiterElement=e.element,this._toolbarConfig.viewportTopOffset&&(e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset),e.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:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor,e=t.editing.view,n=e.document.getRoot(),i=t.sourceElement,o=t.config.get(\"placeholder\")||i&&\"textarea\"===i.tagName.toLowerCase()&&i.getAttribute(\"placeholder\");o&&al({view:e,element:n,text:o,isDirectHost:!1})}}class fl extends oo{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 Gn.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)})}}}}ci(oo,Fi);const ml=\"http:\/\/www.w3.org\/1999\/xhtml\";class pl{constructor(t){Object.assign(this,Al(xl(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 Gn.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)El(n)?yield n:Sl(n)&&(yield*t(n))}(this)}static bind(t,e){return{to:(n,i)=>new bl({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:i}),if:(n,i,o)=>new wl({observable:t,emitter:e,attribute:n,valueIfTrue:i,callback:o})}}static extend(t,e){t._isRendered&&bs.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={}),Pl(e.attributes,n.attributes));n.eventListeners&&(e.eventListeners||(e.eventListeners={}),Pl(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 Gn.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,Al(xl(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text)throw new Gn.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||ml,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(\"\"),_l(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=z(n[0])&&n[0].ns?n[0].ns:null,_l(n)){const a=o?n[0].value:n;s&&Nl(e)&&a.unshift(i),this._bindToObservable({schema:a,updater:vl(r,e,o),data:t})}else\"style\"==e&&\"string\"!=typeof n[0]?this._renderStyleAttribute(n[0],t):(s&&i&&Nl(e)&&n.unshift(i),Ml(n=n.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(Tl,\"\"))||r.setAttributeNS(o,e,n))}_renderStyleAttribute(t,e){const n=e.node;for(const i in t){const o=t[i];_l(o)?this._bindToObservable({schema:[o],updater:yl(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(Il(r)){if(!i){r.setParent(e);for(const t of r)n.appendChild(t.element)}}else if(El(r))i||(r.isRendered||r.render(),n.appendChild(r.element));else if(Zo(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;kl(t,e,n);const o=t.filter(t=>!Ml(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])}}}ci(pl,ei);class gl{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=()=>kl(t,e,n);return this.emitter.listenTo(this.observable,\"change:\"+this.attribute,i),()=>{this.emitter.stopListening(this.observable,\"change:\"+this.attribute,i)}}}class bl extends gl{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 wl extends gl{getValue(t){return!Ml(super.getValue(t))&&(this.valueIfTrue||!0)}}function _l(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some(_l):t instanceof gl)}function kl(t,e,{node:n}){let i=function(t,e){return t.map(t=>t instanceof gl?t.getValue(e):t)}(t,n);Ml(i=1==t.length&&t[0]instanceof wl?i[0]:i.reduce(Tl,\"\"))?e.remove():e.set(i)}function vl(t,e,n){return{set(i){t.setAttributeNS(n,e,i)},remove(){t.removeAttributeNS(n,e)}}}function yl(t,e){return{set(n){t.style[e]=n},remove(){t.style[e]=null}}}function xl(t){return qn(t,t=>{if(t&&(t instanceof gl||Sl(t)||El(t)||Il(t)))return t})}function Al(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)Cl(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)),Cl(t,e)}(t.attributes);const e=[];if(t.children)if(Il(t.children))e.push(t.children);else for(const n of t.children)Sl(n)||El(n)||Zo(n)?e.push(n):e.push(new pl(n));t.children=e}return t}function Cl(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function Tl(t,e){return Ml(e)?t:Ml(t)?e:`${t} ${e}`}function Pl(t,e){for(const n in e)t[n]?t[n].push(...e[n]):t[n]=e[n]}function Ml(t){return!t&&0!==t}function El(t){return t instanceof Ol}function Sl(t){return t instanceof pl}function Il(t){return t instanceof fl}function Nl(t){return\"class\"==t||\"style\"==t}n(47);class Ol{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new oo,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=pl.bind(this,this)}createCollection(){const t=new fl;return this._viewCollections.add(t),t}registerChild(t){gi(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){gi(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new pl(t)}extendTemplate(t){pl.extend(this.template,t)}render(){if(this.isRendered)throw new Gn.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()),this.template&&this.template._revertData&&this.template.revert(this.element)}}ci(Ol,lr),ci(Ol,Fi);n(49);class Rl extends Ol{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 pl({tag:\"div\",attributes:{class:[\"ck\",\"ck-reset_all\",\"ck-body\",\"ck-rounded-corners\"]},children:this.body}).render();document.body.appendChild(t)}}n(51);class Dl extends Ol{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 Ll extends Rl{constructor(t){super(t);const e=Kn();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 Dl;return n.text=e(\"bi\"),n.extendTemplate({attributes:{id:`ck-editor__aria-label_${t}`,class:\"ck-voice-label\"}}),n}}class jl extends Ol{constructor(t,e,n){super(t),this.setTemplate({tag:\"div\",attributes:{class:[\"ck\",\"ck-content\",\"ck-editor__editable\",\"ck-rounded-corners\"]}}),this.name=null,this.set(\"isFocused\",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=e}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on(\"change:isFocused\",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;function e(e){t.change(n=>{const i=t.document.getRoot(e.name);n.addClass(e.isFocused?\"ck-focused\":\"ck-blurred\",i),n.removeClass(e.isFocused?\"ck-blurred\":\"ck-focused\",i)})}t.isRenderingInProgress?function n(i){t.once(\"change:isRenderingInProgress\",(t,o,r)=>{r?n(i):e(i)})}(this):e(this)}}class Vl extends jl{constructor(t,e,n){super(t,e,n),this.extendTemplate({attributes:{role:\"textbox\",class:\"ck-editor__editable_inline\"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(n=>{const i=t.document.getRoot(this.name);n.setAttribute(\"aria-label\",e(\"bm\",[this.name]),i)})}}function Bl(t){return e=>e+t}n(53);const zl=Bl(\"px\");class Fl extends Ol{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 pl({tag:\"div\",attributes:{class:[\"ck\",\"ck-sticky-panel__placeholder\"],style:{display:e.to(\"isSticky\",t=>t?\"block\":\"none\"),height:e.to(\"isSticky\",t=>t?zl(this._panelRect.height):null)}}}).render(),this._contentPanel=new pl({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?zl(this._contentPanelPlaceholder.getBoundingClientRect().width):null),top:e.to(\"_hasViewportTopOffset\",t=>t?zl(this.viewportTopOffset):null),bottom:e.to(\"_isStickyToTheLimiter\",t=>t?zl(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(nr.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:zl(-nr.window.scrollX)):(this._isStickyToTheLimiter=!1,this._hasViewportTopOffset=!1,this._marginLeft=null)}}class Ul{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(Hl)||null}get last(){return this.focusables.filter(Hl).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(Hl(e))return e;i=(i+n+t)%n}while(i!==e);return null}}function Hl(t){return!(!t.focus||\"none\"==nr.window.getComputedStyle(t.element).display)}class ql extends Ol{constructor(t){super(t),this.setTemplate({tag:\"span\",attributes:{class:[\"ck\",\"ck-toolbar__separator\"]}})}}n(55);class Wl extends Ol{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),this.focusTracker=new ol,this.keystrokes=new Qc,this.set(\"isVertical\",!1),this.set(\"class\"),this._focusCycler=new Ul({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(\"class\")]},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 ql):e.has(t)?this.items.add(e.create(t)):bs.a.warn(\"toolbarview-item-unavailable: The requested toolbar item is unavailable.\",{name:t})})}}n(57);class Yl extends Ll{constructor(t,e){super(t),this.stickyPanel=new Fl(t),this.toolbar=new Wl(t),this.editable=new Vl(t,e)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}}class $l extends Kc{constructor(t,e){super(e),Wn(t)&&(this.sourceElement=t),this.data.processor=new el,this.model.document.createRoot(),this.ui=new hl(this,new Yl(this.locale,this.editing.view)),function(t){if(!W(t.updateSourceElement))throw new Gn.b(\"attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.\");const e=t.sourceElement;if(e&&\"textarea\"===e.tagName.toLowerCase()&&e.form){let n;const i=e.form,o=()=>t.updateSourceElement();W(i.submit)&&(n=i.submit,i.submit=(()=>{o(),n.apply(i)})),i.addEventListener(\"submit\",o),t.on(\"destroy\",()=>{i.removeEventListener(\"submit\",o),n&&(i.submit=n)})}}(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(t,e={}){return new Promise(n=>{const i=new this(t,e);n(i.initPlugins().then(()=>i.ui.init(Wn(t)?t:null)).then(()=>{if(!Wn(t)&&e.initialData)throw new Gn.b(\"editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().\");const n=e.initialData||function(t){return Wn(t)?function(t){return t instanceof HTMLTextAreaElement?t.value:t.innerHTML}(t):t}(t);return i.data.init(n)}).then(()=>i.fire(\"ready\")).then(()=>i))})}}ci($l,Zc),ci($l,Xc);class Gl{constructor(t){this.editor=t}destroy(){this.stopListening()}}ci(Gl,Fi);class Ql{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 Jl extends ts{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()),o=new Jn(e,\"clipboardInput\");e.fire(o,{dataTransfer:n.dataTransfer,targetRanges:i}),o.stop.called&&n.stopPropagation()}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 Ql(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 Kl=[\"figcaption\",\"li\"];class Zl extends Gl{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 el,n.addObserver(Jl),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\"))&&(Kl.includes(i.name)||Kl.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 Xl{constructor(t){this.editor=t,this.set(\"value\",void 0),this.set(\"isEnabled\",!1),this._disableStack=new Set,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.forceDisabled(\"readOnlyMode\"):this.clearForceDisabled(\"readOnlyMode\")})}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on(\"set:isEnabled\",td,{priority:\"highest\"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off(\"set:isEnabled\",td),this.refresh())}execute(){}destroy(){this.stopListening()}}function td(t){t.return=!1,t.stop()}ci(Xl,Fi);class ed extends Xl{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)nd(e,r.start);else{const i=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;t.deleteContent(n,{leaveUnmerged:i}),i&&(o?nd(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire(\"afterExecute\",{writer:n})})}}function nd(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class id extends hr{constructor(t){super(t);const e=this.document;e.on(\"keydown\",(t,n)=>{if(this.isEnabled&&n.keyCode==bo.enter){let i;e.once(\"enter\",t=>i=t,{priority:\"highest\"}),e.fire(\"enter\",new Xr(e,n.domEvent,{isSoft:n.shiftKey})),i&&i.stop.called&&t.stop()}})}observe(){}}class od extends Gl{static get pluginName(){return\"Enter\"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(id),t.commands.add(\"enter\",new ed(t)),this.listenTo(n,\"enter\",(n,i)=>{i.preventDefault(),i.isSoft||(t.execute(\"enter\"),e.scrollToTheSelection())},{priority:\"low\"})}}class rd extends Xl{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)sd(e,o.end);else{const i=!(o.start.isAtStart&&o.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:i}),a?sd(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((ad(o,t)||ad(r,t))&&o!==r)return!1;return!0}(t.schema,e.selection)}}function sd(t,e){const n=t.createElement(\"softBreak\");t.insert(n,e),t.setSelection(n,\"after\")}function ad(t,e){return!t.is(\"rootElement\")&&(e.isLimit(t)||ad(t.parent,e))}class cd extends Gl{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\",isInline:!0}),n.for(\"upcast\").elementToElement({model:\"softBreak\",view:\"br\"}),n.for(\"downcast\").elementToElement({model:\"softBreak\",view:(t,e)=>e.createEmptyElement(\"br\")}),i.addObserver(id),t.commands.add(\"shiftEnter\",new rd(t)),this.listenTo(o,\"enter\",(e,n)=>{n.preventDefault(),n.isSoft&&(t.execute(\"shiftEnter\"),i.scrollToTheSelection())},{priority:\"low\"})}}class ld{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 dd extends Xl{constructor(t,e){super(t),this._buffer=new ld(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 a=r.isCollapsed;this._buffer.lock(),a||e.deleteContent(e.createSelection(r)),i&&t.insertText(i,n.selection.getAttributes(),r.start),s?t.setSelection(s):a&&t.setSelection(r.start.getShiftedBy(o)),this._buffer.unlock(),this._buffer.input(o)})}}function ud(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 hd.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 hd=[wo(\"arrowUp\"),wo(\"arrowRight\"),wo(\"arrowDown\"),wo(\"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++)hd.push(t);function fd(t){if(0==t.length)return!1;for(const e of t)if(\"children\"===e.type&&!md(e))return!0;return!1}function md(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}}(Qo(t.oldChildren,t.newChildren,pd),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is(\"text\")?n:void 0}function pd(t,e){return t&&t.is(\"text\")&&e&&e.is(\"text\")?t.data===e.data:t===e}class gd{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(fd(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 rr,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];l&&l.is(\"softBreak\")&&d&&!d.is(\"softBreak\")&&a.pop();const u=this.editor.model.schema;if(!bd(a,u)||!bd(c,u))return;const h=a.map(t=>t.is(\"text\")?t.data:\"@\").join(\"\").replace(\/\\u00A0\/g,\" \"),f=c.map(t=>t.is(\"text\")?t.data:\"@\").join(\"\").replace(\/\\u00A0\/g,\" \");if(f===h)return;const m=Qo(f,h),{firstChangeAt:p,insertions:g,deletions:b}=wd(m);let w=null;e&&(w=this.editing.mapper.toModelRange(e.getFirstRange()));const _=h.substr(p,g),k=this.editor.model.createRange(this.editor.model.createPositionAt(s,p),this.editor.model.createPositionAt(s,p+b));this.editor.execute(\"input\",{text:_,range:k,resultRange:w})}_handleTextMutation(t,e){if(\"text\"!=t.type)return;const n=t.newText.replace(\/\\u00A0\/g,\" \"),i=t.oldText.replace(\/\\u00A0\/g,\" \");if(i===n)return;const o=Qo(i,n),{firstChangeAt:r,insertions:s,deletions:a}=wd(o);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,r),d=this.editing.mapper.toModelPosition(l),u=this.editor.model.createRange(d,d.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute(\"input\",{text:h,range:u,resultRange:c})}_handleTextNodeInsertion(t){if(\"children\"!=t.type)return;const e=md(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 bd(t,e){return t.every(t=>e.isInline(t))}function wd(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 _d extends Gl{static get pluginName(){return\"Input\"}init(){const t=this.editor,e=new dd(t,t.config.get(\"typing.undoStep\")||20);t.commands.add(\"input\",e),ud(t),function(t){t.editing.view.document.on(\"mutations\",(e,n,i)=>{new gd(t).handle(n,i)})}(t)}}class kd extends Xl{constructor(t,e){super(t),this.direction=e,this._buffer=new ld(t.model,t.config.get(\"typing.undoStep\"))}get buffer(){return this._buffer}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+=eo(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 vd extends hr{constructor(t){super(t);const e=t.document;let n=0;e.on(\"keyup\",(t,e)=>{e.keyCode!=bo.delete&&e.keyCode!=bo.backspace||(n=0)}),e.on(\"keydown\",(t,i)=>{const o={};if(i.keyCode==bo.delete)o.direction=\"forward\",o.unit=\"character\";else{if(i.keyCode!=bo.backspace)return;o.direction=\"backward\",o.unit=\"codePoint\"}const r=mo.isMac?i.altKey:i.ctrlKey;let s;o.unit=r?\"word\":o.unit,o.sequence=++n,e.once(\"delete\",t=>s=t,{priority:Number.POSITIVE_INFINITY});const a=new Xr(e,i.domEvent,o);e.fire(\"delete\",a),s&&s.stop.called&&t.stop()})}observe(){}}function yd(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){fd(a)&&function(t){for(const e of t){if(\"children\"!==e.type)continue;const t=e.oldChildren,n=e.newChildren;if(!xd(t))continue;const i=Qo(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 xd(t){return t.every(t=>t.is(\"containerElement\"))}class Ad extends Gl{static get pluginName(){return\"Delete\"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(vd),t.commands.add(\"forwardDelete\",new kd(t,\"forward\")),t.commands.add(\"delete\",new kd(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()}),yd(t)}}class Cd extends Gl{static get requires(){return[_d,Ad]}static get pluginName(){return\"Typing\"}}class Td extends Qa{get type(){return\"noop\"}clone(){return new Td(this.baseVersion)}getReversed(){return new Td(this.baseVersion+1)}_execute(){}static get className(){return\"NoOperation\"}}const Pd=new Map;function Md(t,e,n){let i=Pd.get(t);i||(i=new Map,Pd.set(t,i)),i.set(e,n)}function Ed(t){return[t]}function Sd(t,e,n={}){const i=function(t,e){const n=Pd.get(t);return n&&n.has(e)?n.get(e):Ed}(t.constructor,e.constructor);try{return i(t=t.clone(),e,n)}catch(i){throw bs.a.error(\"Error during operation transformation!\",i.message),bs.a.error(\"Transformed operation\",t),bs.a.error(\"Operation transformed by\",e),bs.a.error(\"context.aIsStrong\",n.aIsStrong),bs.a.error(\"context.aWasUndone\",n.aWasUndone),bs.a.error(\"context.bWasUndone\",n.bWasUndone),bs.a.error(\"context.abRelation\",n.abRelation),bs.a.error(\"context.baRelation\",n.baRelation),i}}function Id(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 Nd(n.document,n.useRelations,n.forceWeakRemove);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=Sd(n,a,r.getContext(n,a,!0)),l=Sd(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;Rd(t,i-n),Rd(e,n-i)}return Od(t,o.nextBaseVersionB),Od(e,o.nextBaseVersionA),{operationsA:t,operationsB:e}}class Nd{constructor(t,e,n=!1){this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!n,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 ac:switch(e.constructor){case hc: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 ac:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,\"insertBefore\"):this._setRelation(t,e,\"insertAfter\")}break;case fc:switch(e.constructor){case hc:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,\"splitBefore\");break;case ac:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,\"splitBefore\")}break;case hc:switch(e.constructor){case hc:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,\"mergeTargetNotMoved\"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,\"mergeSourceNotMoved\"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,\"mergeSameElement\");break;case fc:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,\"splitAtSource\")}break;case lc:{const n=t.newRange;if(!n)return;switch(e.constructor){case ac:{const i=Gs._createFromPositionAndShift(e.sourcePosition,e.howMany),o=i.containsPosition(n.start)||i.start.isEqual(n.start),r=i.containsPosition(n.end)||i.end.isEqual(n.end);!o&&!r||i.containsRange(n)||this._setRelation(t,e,{side:o?\"left\":\"right\",path:o?n.start.path.slice():n.end.path.slice()});break}case hc:{const i=n.start.isEqual(e.targetPosition),o=n.start.isEqual(e.deletionPosition),r=n.end.isEqual(e.deletionPosition),s=n.end.isEqual(e.sourcePosition);(i||o||r||s)&&this._setRelation(t,e,{wasInLeftElement:i,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}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,forceWeakRemove:this._forceWeakRemove}}_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 Od(t,e){for(const n of t)n.baseVersion=e++}function Rd(t,e){for(let n=0;n<e;n++)t.push(new Td(0))}function Dd(t,e,n){const i=t.nodes.getNode(0).getAttribute(e);if(i==n)return null;const o=new Gs(t.position,t.position.getShiftedBy(t.howMany));return new rc(o,e,i,n,0)}function Ld(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function jd(t,e){const n=[];for(let i=0;i<t.length;i++){const o=t[i],r=new ac(o.start,o.end.offset-o.start.offset,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}Md(rc,rc,(t,e,n)=>{if(t.key===e.key){const i=t.range.getDifference(e.range).map(e=>new rc(e,t.key,t.oldValue,t.newValue,0)),o=t.range.getIntersection(e.range);return o&&n.aIsStrong&&i.push(new rc(o,e.key,e.newValue,t.newValue,0)),0==i.length?[new Td(0)]:i}return[t]}),Md(rc,cc,(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 rc(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const i=Dd(e,t.key,t.oldValue);i&&n.unshift(i)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),Md(rc,hc,(t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(Gs._createFromPositionAndShift(e.graveyardPosition,1));const i=t.range._getTransformedByMergeOperation(e);return i.isCollapsed||n.push(i),n.map(e=>new rc(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),Md(rc,ac,(t,e)=>{return function(t,e){const n=Gs._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 rc(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),Md(rc,fc,(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 Gs(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]}),Md(cc,rc,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const i=Dd(t,e.key,e.newValue);i&&n.push(i)}return n}),Md(cc,cc,(t,e,n)=>t.position.isEqual(e.position)&&n.aIsStrong?[t]:(t.position=t.position._getTransformedByInsertOperation(e),[t])),Md(cc,ac,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),Md(cc,fc,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),Md(cc,hc,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),Md(lc,cc,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),Md(lc,lc,(t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new Td(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),Md(lc,hc,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),Md(lc,ac,(t,e,n)=>{if(t.oldRange&&(t.oldRange=Gs._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const i=Gs._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if(\"left\"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=n.abRelation.path,t.newRange.end=i.end,[t];if(\"right\"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=i.start,t.newRange.end.path=n.abRelation.path,[t]}t.newRange=Gs._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),Md(lc,fc,(t,e,n)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(n.abRelation){const i=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?t.newRange.start=$s._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement&&(t.newRange.start=$s._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement?t.newRange.end=$s._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?t.newRange.end=$s._createAt(e.insertionPosition):t.newRange.end=i.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]}),Md(hc,cc,(t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t])),Md(hc,hc,(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 $s(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new Td(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&\"splitAtSource\"!=n.abRelation){const i=\"$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 ac(n,t.howMany,i,0)]}return[new Td(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]}),Md(hc,ac,(t,e,n)=>{const i=Gs._createFromPositionAndShift(e.sourcePosition,e.howMany);return\"remove\"==e.type&&!n.bWasUndone&&!n.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition)?[new Td(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])}),Md(hc,fc,(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]}if(t.sourcePosition.isEqual(e.splitPosition)){if(\"mergeSourceNotMoved\"==n.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if(\"mergeSameElement\"==n.abRelation||t.sourcePosition.offset>0)return t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}),Md(ac,cc,(t,e)=>{const n=Gs._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]}),Md(ac,ac,(t,e,n)=>{const i=Gs._createFromPositionAndShift(t.sourcePosition,t.howMany),o=Gs._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),Ld(t,e)&&Ld(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),jd([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()),jd([i],r);const c=li(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),jd([i],r);\"remove\"!=t.type||\"remove\"==e.type||n.aWasUndone||n.forceWeakRemove?\"remove\"==t.type||\"remove\"!=e.type||n.bWasUndone||n.forceWeakRemove||(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\"==li(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 Td(t.baseVersion)]:jd(l,r)}),Md(ac,fc,(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=Gs._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 Gs(e.splitPosition,o.end);return t=t._getTransformedBySplitOperation(e),jd([new Gs(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 i=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);t.howMany>1&&i&&!n.aWasUndone&&r.push(Gs._createFromPositionAndShift(e.insertionPosition,1))}return jd(r,i)}),Md(ac,hc,(t,e,n)=>{const i=Gs._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition))if(\"remove\"!=t.type||n.forceWeakRemove){if(1==t.howMany)return n.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new Td(0)]}else if(!n.aWasUndone){const n=[];let i=e.graveyardPosition.clone(),o=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(n.push(new ac(t.sourcePosition,t.howMany-1,t.targetPosition,0)),i=i._getTransformedByMove(t.sourcePosition,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 ac(i,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new $s(s.targetPosition.root,a);o=o._getTransformedByMove(i,r,1);const l=new ac(o,e.howMany,c,0);return n.push(s),n.push(l),n}const o=Gs._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]}),Md(dc,cc,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),Md(dc,hc,(t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness=\"toNext\",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t])),Md(dc,ac,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),Md(dc,dc,(t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new Td(0)];t.oldName=e.newName}return[t]}),Md(dc,fc,(t,e)=>{if(\"same\"==li(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){return[t,new dc(t.position.getShiftedBy(1),t.oldName,t.newName,0)]}return t.position=t.position._getTransformedBySplitOperation(e),[t]}),Md(uc,uc,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new Td(0)];t.oldValue=e.newValue}return[t]}),Md(fc,cc,(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=fc.getInsertionPosition(t.splitPosition),[t])),Md(fc,hc,(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 $s(e.graveyardPosition.root,n),o=fc.getInsertionPosition(new $s(e.graveyardPosition.root,n)),r=new fc(i,0,null,0);return r.insertionPosition=o,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=fc.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=fc.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),Md(fc,ac,(t,e,n)=>{const i=Gs._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const o=i.start.isEqual(t.graveyardPosition)||i.containsPosition(t.graveyardPosition);if(!n.bWasUndone&&o){const n=t.splitPosition._getTransformedByMoveOperation(e),i=t.graveyardPosition._getTransformedByMoveOperation(e),o=i.path.slice();o.push(0);const r=new $s(i.root,o);return[new ac(n,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=n,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=fc.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||\"insertAtSource\"!=n.baRelation&&\"splitBefore\"!=n.abRelation?(e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness=\"toNone\",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness=\"toNext\",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=fc.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=fc.getInsertionPosition(t.splitPosition),[t])}),Md(fc,fc,(t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new Td(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new Td(0)];if(\"splitBefore\"==n.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const i=\"$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 ac(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new ac(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new Td(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 $s(e.insertionPosition.root,n);return[t,new ac(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=fc.getInsertionPosition(t.splitPosition),[t]});class Vd extends Xl{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=Bd(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=Id([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const o of s)e.addOperation(o),n.applyOperation(o),i.history.setOperationAsUndone(t,o)}}}function Bd(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 zd extends Vd{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 Fd extends Vd{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 Ud extends Gl{constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new zd(t),this._redoCommand=new Fd(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(59);class Hd extends Ol{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(61);class qd extends Ol{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(63);class Wd extends Ol{constructor(t){super(t);const e=this.bindTemplate,n=Kn();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 Hd,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 qd;return t.bind(\"text\").to(this,\"_tooltipString\"),t.bind(\"position\").to(this,\"tooltipPosition\"),t}_createLabelView(t){const e=new Ol,n=this.bindTemplate;return e.setTemplate({tag:\"span\",attributes:{class:[\"ck\",\"ck-button__label\"],style:n.to(\"labelStyle\"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to(\"label\")}]}),e}_getTooltipString(t,e,n){return t?\"string\"==typeof t?t:(n&&(n=function(t){return mo.isMac?ko(t).map(t=>go[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in po?t+e:t+\"+\"+e):t}(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:\"\"}`):\"\"}}var Yd=n(21),$d=n.n(Yd),Gd=n(22),Qd=n.n(Gd);class Jd extends Gl{init(){const t=this.editor.t;this._addButton(\"undo\",t(\"bj\"),\"CTRL+Z\",$d.a),this._addButton(\"redo\",t(\"bk\"),\"CTRL+Y\",Qd.a)}_addButton(t,e,n,i){const o=this.editor;o.ui.componentFactory.add(t,r=>{const s=o.commands.get(t),a=new Wd(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 Kd extends Gl{static get requires(){return[Ud,Jd]}static get pluginName(){return\"Undo\"}}class Zd extends Gl{static get pluginName(){return\"PendingActions\"}init(){this.set(\"hasAny\",!1),this._actions=new oo({idProperty:\"_id\"}),this._actions.delegate(\"add\",\"remove\").to(this)}add(t){if(\"string\"!=typeof t)throw new Gn.b(\"pendingactions-add-invalid-message: The message must be a string.\");const e=Object.create(Fi);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 Xd{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()}}ci(Xd,Fi);class tu extends Gl{static get pluginName(){return\"FileRepository\"}static get requires(){return[Zd]}init(){this.loaders=new oo,this.loaders.on(\"add\",()=>this._updatePendingAction()),this.loaders.on(\"remove\",()=>this._updatePendingAction()),this._loadersMap=new Map,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){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return bs.a.error(\"filerepository-no-upload-adapter: Upload adapter is not defined.\"),null;const e=new eu(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then(t=>{this._loadersMap.set(t,e)}),e.file.catch(()=>{}),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 eu?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach((t,n)=>{t===e&&this._loadersMap.delete(n)})}_updatePendingAction(){const t=this.editor.plugins.get(Zd);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e(\"aq\")} ${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}}ci(tu,Fi);class eu{constructor(t,e){this.id=Kn(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new Xd,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)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null):Promise.resolve(null)}read(){if(\"idle\"!=this.status)throw new Gn.b(\"filerepository-read-wrong-status: You cannot call read if the status is different than idle.\");return this.status=\"reading\",this._filePromiseWrapper.promise.then(t=>this._reader.read(t)).then(t=>(this.status=\"idle\",t)).catch(t=>{if(\"aborted\"===t)throw this.status=\"aborted\",\"aborted\";throw this.status=\"error\",this._reader.error?this._reader.error:t})}upload(){if(\"idle\"!=this.status)throw new Gn.b(\"filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.\");return this.status=\"uploading\",this._filePromiseWrapper.promise.then(()=>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\",this._filePromiseWrapper.isFulfilled?\"reading\"==t?this._reader.abort():\"uploading\"==t&&this._adapter.abort&&this._adapter.abort():this._filePromiseWrapper.rejecter(\"aborted\"),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.data=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise((n,i)=>{e.resolver=n,e.rejecter=i,e.isFulfilled=!1,t.then(t=>{e.isFulfilled=!0,n(t)}).catch(t=>{e.isFulfilled=!0,i(t)})}),e}}ci(eu,Fi);const nu=\"ckCsrfToken\",iu=40,ou=\"abcdefghijklmnopqrstuvwxyz0123456789\";function ru(){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}(nu);return t&&t.length==iu||(t=function(t){let e=\"\";const n=new Uint8Array(t);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const i=ou.charAt(n[t]%ou.length);e+=Math.random()>.5?i.toUpperCase():i}return e}(iu),function(t,e){document.cookie=encodeURIComponent(t)+\"=\"+encodeURIComponent(e)+\";path=\/\"}(nu,t)),t}class su extends Gl{static get requires(){return[tu]}static get pluginName(){return\"CKFinderUploadAdapter\"}init(){const t=this.editor.config.get(\"ckfinder.uploadUrl\");t&&(this.editor.plugins.get(tu).createUploadAdapter=(e=>new au(e,t,this.editor.t)))}}class au{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return this.loader.file.then(t=>new Promise((e,n)=>{this._initRequest(),this._initListeners(e,n,t),this._sendRequest(t)}))}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,n){const i=this.xhr,o=this.loader,r=(0,this.t)(\"a\")+` ${n.name}.`;i.addEventListener(\"error\",()=>e(r)),i.addEventListener(\"abort\",()=>e()),i.addEventListener(\"load\",()=>{const n=i.response;if(!n||!n.uploaded)return e(n&&n.error&&n.error.message?n.error.message:r);t({default:n.url})}),i.upload&&i.upload.addEventListener(\"progress\",t=>{t.lengthComputable&&(o.uploadTotal=t.total,o.uploaded=t.loaded)})}_sendRequest(t){const e=new FormData;e.append(\"upload\",t),e.append(\"ckCsrfToken\",ru()),this.xhr.send(e)}}class cu{constructor(t,e,n){let i,o=null;\"function\"==typeof n?i=n:(o=t.commands.get(n),i=(()=>{t.execute(n)})),t.model.document.on(\"change\",(n,r)=>{if(o&&!o.isEnabled)return;if(\"transparent\"==r.type)return;const s=Array.from(t.model.document.differ.getChanges()),a=s[0];if(1!=s.length||\"insert\"!==a.type||\"$text\"!=a.name||1!=a.length)return;const c=a.position.textNode||a.position.nodeAfter;if(!c.parent.is(\"paragraph\"))return;const l=e.exec(c.data);l&&t.model.enqueueChange(t=>{const e=t.createPositionAt(c.parent,0),n=t.createPositionAt(c.parent,l[0].length),o=new oa(e,n);!1!==i({match:l})&&t.remove(o),o.detach()})})}}class lu{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||((e,n)=>{const i=t.model.schema.getValidRanges(n,o);for(const t of i)e.setAttribute(o,!0,t);e.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 o=Array.from(t.model.document.differ.getChanges()),a=o[0];if(1!=o.length||\"insert\"!==a.type||\"$text\"!=a.name||1!=a.length)return;const c=i.focus.parent,l=function(t){return Array.from(t.getChildren()).reduce((t,e)=>t+e.data,\"\")}(c).slice(0,i.focus.offset),d=r(l),u=du(c,d.format,t.model),h=du(c,d.remove,t.model);u.length&&h.length&&t.model.enqueueChange(t=>{if(!1!==s(t,u))for(const e of h.reverse())t.remove(e)})})}}function du(t,e,n){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>n.createRange(n.createPositionAt(t,e[0]),n.createPositionAt(t,e[1])))}function uu(t,e){return(n,i)=>{if(!t.commands.get(e).isEnabled)return!1;const o=t.model.schema.getValidRanges(i,e);for(const t of o)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}class hu extends Xl{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,i=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(n.isCollapsed)i?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const o=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of o)i?t.setAttribute(this.attributeKey,i,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}const fu=\"bold\";class mu extends Gl{init(){const t=this.editor;t.model.schema.extend(\"$text\",{allowAttributes:fu}),t.model.schema.setAttributeProperties(fu,{isFormatting:!0}),t.conversion.attributeToElement({model:fu,view:\"strong\",upcastAlso:[\"b\",{styles:{\"font-weight\":\"bold\"}}]}),t.commands.add(fu,new hu(t,fu)),t.keystrokes.set(\"CTRL+B\",fu)}}var pu=n(23),gu=n.n(pu);const bu=\"bold\";class wu extends Gl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(bu,n=>{const i=t.commands.get(bu),o=new Wd(n);return o.set({label:e(\"u\"),icon:gu.a,keystroke:\"CTRL+B\",tooltip:!0}),o.bind(\"isOn\",\"isEnabled\").to(i,\"value\",\"isEnabled\"),this.listenTo(o,\"execute\",()=>t.execute(bu)),o})}}const _u=\"italic\";class ku extends Gl{init(){const t=this.editor;t.model.schema.extend(\"$text\",{allowAttributes:_u}),t.model.schema.setAttributeProperties(_u,{isFormatting:!0}),t.conversion.attributeToElement({model:_u,view:\"i\",upcastAlso:[\"em\",{styles:{\"font-style\":\"italic\"}}]}),t.commands.add(_u,new hu(t,_u)),t.keystrokes.set(\"CTRL+I\",_u)}}var vu=n(24),yu=n.n(vu);const xu=\"italic\";class Au extends Gl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(xu,n=>{const i=t.commands.get(xu),o=new Wd(n);return o.set({label:e(\"w\"),icon:yu.a,keystroke:\"CTRL+I\",tooltip:!0}),o.bind(\"isOn\",\"isEnabled\").to(i,\"value\",\"isEnabled\"),this.listenTo(o,\"execute\",()=>t.execute(xu)),o})}}const Cu=\"underline\";class Tu extends Gl{init(){const t=this.editor;t.model.schema.extend(\"$text\",{allowAttributes:Cu}),t.model.schema.setAttributeProperties(Cu,{isFormatting:!0}),t.conversion.attributeToElement({model:Cu,view:\"u\",upcastAlso:{styles:{\"text-decoration\":\"underline\"}}}),t.commands.add(Cu,new hu(t,Cu)),t.keystrokes.set(\"CTRL+U\",\"underline\")}}var Pu=n(25),Mu=n.n(Pu);const Eu=\"underline\";class Su extends Gl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Eu,n=>{const i=t.commands.get(Eu),o=new Wd(n);return o.set({label:e(\"v\"),icon:Mu.a,keystroke:\"CTRL+U\",tooltip:!0}),o.bind(\"isOn\",\"isEnabled\").to(i,\"value\",\"isEnabled\"),this.listenTo(o,\"execute\",()=>t.execute(Eu)),o})}}function Iu(t){const e=t.next();return e.done?null:e.value}class Nu extends Xl{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.schema,n=t.document.selection,i=Array.from(n.getTopMostBlocks());t.change(t=>{if(this.value)this._removeQuote(t,i.filter(Ou));else{const n=i.filter(t=>Ou(t)||Du(e,t));this._applyQuote(t,n)}})}_getValue(){const t=Iu(this.editor.model.document.selection.getTopMostBlocks());return!(!t||!Ou(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=Iu(t.getSelectedBlocks());return!!n&&Du(e,n)}_removeQuote(t,e){Ru(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=[];Ru(t,e).reverse().forEach(e=>{let i=Ou(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 Ou(t){return\"blockQuote\"==t.parent.name?t.parent:null}function Ru(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 Du(t,e){const n=t.checkChild(e.parent,\"blockQuote\"),i=t.checkChild([\"$root\",\"blockQuote\"],e);return n&&i}class Lu extends Gl{init(){const t=this.editor,e=t.model.schema;t.commands.add(\"blockQuote\",new Nu(t)),e.register(\"blockQuote\",{allowWhere:\"$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 ju=n(26),Vu=n.n(ju);n(65);class Bu extends Gl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(\"blockQuote\",n=>{const i=t.commands.get(\"blockQuote\"),o=new Wd(n);return o.set({label:e(\"d\"),icon:Vu.a,tooltip:!0}),o.bind(\"isOn\",\"isEnabled\").to(i,\"value\",\"isEnabled\"),this.listenTo(o,\"execute\",()=>t.execute(\"blockQuote\")),o})}}var zu=n(27),Fu=n.n(zu);class Uu extends Gl{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 Wd(e);return o.set({label:n(\"x\"),icon:Fu.a,tooltip:!0}),o.bind(\"isEnabled\").to(i),o.on(\"execute\",()=>{t.execute(\"ckfinder\"),t.editing.view.focus()}),o})}}class Hu extends Gl{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 qu extends Xl{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 Gn.b('ckfinder-unknown-openerMethod: The openerMethod config option must by \"popup\" or \"modal\".');const n=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&&Wu(t,s)}),e.on(\"file:choose:resizedImage\",e=>{const n=e.data.resizedUrl;if(n)Wu(t,[n]);else{const e=t.plugins.get(\"Notification\"),n=t.locale.t;e.showWarning(n(\"az\"),{title:n(\"ba\"),namespace:\"ckfinder\"})}})}),window.CKFinder[e](n)}}function Wu(t,e){if(t.commands.get(\"imageUpload\").isEnabled)t.execute(\"imageInsert\",{source:e});else{const e=t.plugins.get(\"Notification\"),n=t.locale.t;e.showWarning(n(\"bb\"),{title:n(\"bc\"),namespace:\"ckfinder\"})}}class Yu extends Gl{static get pluginName(){return\"CKFinderEditing\"}static get requires(){return[Hu]}init(){const t=this.editor;t.commands.add(\"ckfinder\",new qu(t))}}const $u=\/^data:(\\S*?);base64,\/;class Gu{constructor(t,e,n){if(!t)throw new Error(\"File must be provided\");if(!e)throw new Error(\"Token must be provided\");if(!n)throw new Error(\"Api address must be provided\");this.file=function(t){if(\"string\"!=typeof t)return!1;const e=t.match($u);return!(!e||!e.length)}(t)?function(t,e=512){try{const n=t.match($u)[1],i=atob(t.replace($u,\"\")),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)})}}ci(Gu,ei);var Qu=Gu;const Ju={refreshInterval:36e5,autoRefresh:!0};class Ku{constructor(t,e=Ju){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({},Ju,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=Ju){return new Ku(t,e).init()}}ci(Ku,Fi);var Zu=Ku;class Xu extends Gl{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 Xu.Token(this.tokenUrl),this.token.init();this.token=null}}Xu.Token=Zu;class th extends Gl{static get requires(){return[tu,Xu]}init(){const t=this.editor,e=t.plugins.get(Xu),n=e.token,i=e.uploadUrl;n&&(this._uploadGateway=new th._UploadGateway(n,i),t.plugins.get(tu).createUploadAdapter=(t=>new eh(this._uploadGateway,t)))}}class eh{constructor(t,e){this.uploadGateway=t,this.loader=e}upload(){return this.loader.file.then(t=>(this.fileUploader=this.uploadGateway.upload(t),this.fileUploader.on(\"progress\",(t,e)=>{this.loader.uploadTotal=e.total,this.loader.uploaded=e.uploaded}),this.fileUploader.send()))}abort(){this.fileUploader.abort()}}th._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 Qu(t,this._token,this._apiAddress)}};class nh extends hr{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 ih(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 oh{constructor(){this._stack=[]}add(t,e){const n=this._stack,i=n[0];this._insertDescriptor(t);const o=n[0];i===o||rh(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||rh(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(rh(t,e[n]))return;n>-1&&e.splice(n,1);let i=0;for(;e[i]&&sh(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 rh(t,e){return t&&e&&t.priority==e.priority&&ah(t.classes)==ah(e.classes)}function sh(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&ah(t.classes)>ah(e.classes)}function ah(t){return Array.isArray(t)?t.sort().join(\",\"):t}ci(oh,ei);var ch=n(28),lh=n.n(ch);const dh=\"ck-widget\",uh=\"ck-widget_selected\";function hh(t){return!!t.is(\"element\")&&!!t.getCustomProperty(\"widget\")}function fh(t,e,n={}){return mo.isEdge||e.setAttribute(\"contenteditable\",\"false\",t),e.addClass(dh,t),e.setCustomProperty(\"widget\",!0,t),t.getFillerOffset=bh,n.label&&function(t,e,n){n.setCustomProperty(\"widgetLabel\",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 Hd;return n.set(\"content\",lh.a),n.render(),e.appendChild(n.element),e});e.insert(e.createPositionAt(t,0),n),e.addClass([\"ck-widget_with-selection-handler\"],t)}(t,e),function(t,e,n,i){const o=new oh;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 mh(t){const e=t.getCustomProperty(\"widgetLabel\");return e?\"function\"==typeof e?e():e:\"\"}function ph(t,e){return e.addClass([\"ck-editor__editable\",\"ck-editor__nested-editable\"],t),mo.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 gh(t,e){const n=t.getSelectedElement();if(n&&e.schema.isBlock(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 bh(){return null}function wh(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty(\"image\")&&hh(t)}(e)?e:null}function _h(t){return!!t&&t.is(\"image\")}function kh(t,e,n={}){const i=t.createElement(\"image\",n),o=gh(e.document.selection,e);e.insertContent(i,o),i.parent&&t.setSelection(i,\"on\")}function vh(t){const e=t.schema,n=t.document.selection;return function(t,e,n){const i=function(t,e){const n=gh(t,e).parent;if(n.isEmpty&&!n.is(\"$root\"))return n.parent;return n}(t,n);return e.checkChild(i,\"image\")}(n,e,t)&&!function(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}(n,e)&&function(t){return[...t.focus.getAncestors()].every(t=>!t.is(\"image\"))}(n)}class yh extends Xl{refresh(){this.isEnabled=vh(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)kh(n,e,{src:t})})}}class xh extends Gl{init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion;t.editing.view.addObserver(nh),e.register(\"image\",{isObject:!0,isBlock:!0,allowWhere:\"$block\",allowAttributes:[\"alt\",\"src\",\"srcset\"]}),i.for(\"dataDowncast\").elementToElement({model:\"image\",view:(t,e)=>Ah(e)}),i.for(\"editingDowncast\").elementToElement({model:\"image\",view:(t,e)=>(function(t,e,n){return e.setCustomProperty(\"image\",!0,t),fh(t,e,{label:function(){const e=t.getChild(0).getAttribute(\"alt\");return e?`${e} ${n}`:n}})})(Ah(e),e,n(\"e\"))}),i.for(\"downcast\").add(ih(\"src\")).add(ih(\"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\").elementToElement({view:{name:\"img\",attributes:{src:!0}},model:(t,e)=>e.createElement(\"image\",{src:t.getAttribute(\"src\")})}).attributeToAttribute({view:{name:\"img\",key:\"alt\"},model:\"alt\"}).attributeToAttribute({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=Iu(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 yh(t))}}function Ah(t){const e=t.createEmptyElement(\"img\"),n=t.createContainerElement(\"figure\",{class:\"image\"});return t.insert(t.createPositionAt(n,0),e),n}class Ch extends ts{constructor(t){super(t),this.domEventType=\"mousedown\"}onDomEvent(t){this.fire(t.type,t)}}n(67);const Th=_o(\"Ctrl+A\");class Ph extends Gl{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;hh(t)&&!Mh(t,s)&&(i.addClass(uh,t),this._previouslySelected.add(t),s=t,t==r&&i.setSelection(o.getRanges(),{fake:!0,label:mh(r)}))}},{priority:\"low\"}),t.addObserver(Ch),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.is(\"editableElement\")&&!t.is(\"rootElement\"))return!0;if(hh(t))return!1;t=t.parent}return!1}(r)){if(mo.isSafari&&e.domEvent.detail>=3){const t=n.editing.mapper.toModelElement(r);this.editor.model.change(n=>{e.preventDefault(),n.setSelection(t,\"in\")})}return}if(!hh(r)&&!(r=r.findAncestor(hh)))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==bo.arrowdown||n==bo.arrowright;let o=!1;!function(t){return t==bo.arrowright||t==bo.arrowleft||t==bo.arrowup||t==bo.arrowdown}(n)?!function(t){return wo(t)==Th}(e)?n===bo.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(function(t,e){return t&&e.isObject(t)&&!e.isInline(t)}(n,e.schema))return e.change(i=>{let o=i.createPositionAt(n,t?\"before\":\"after\");const r=i.createElement(\"paragraph\");if(e.schema.isBlock(n.parent)){const t=e.schema.findAllowedParent(o,r);o=i.split(o,t).position}i.insert(r,o),i.setSelection(r,\"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&&hh(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(uh,e);this._previouslySelected.clear()}}function Mh(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class Eh extends Xl{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=_h(t),_h(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 Sh extends Gl{init(){this.editor.commands.add(\"imageTextAlternative\",new Eh(this.editor))}}function Ih({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(69);class Nh extends Ol{constructor(t,e){super(t);const n=`ck-input-${Kn()}`,i=`ck-status-${Kn()}`;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 Dl(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 Ol(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(71);class Oh extends Ol{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 Rh({view:t}){t.listenTo(t.element,\"submit\",(e,n)=>{n.preventDefault(),t.fire(\"submit\")},{useCapture:!0})}var Dh=n(7),Lh=n.n(Dh),jh=n(8),Vh=n.n(jh);n(73);class Bh extends Ol{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new ol,this.keystrokes=new Qc,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e(\"bd\"),Lh.a,\"ck-button-save\"),this.saveButtonView.type=\"submit\",this.cancelButtonView=this._createButton(e(\"be\"),Vh.a,\"ck-button-cancel\",\"cancel\"),this._focusables=new fl,this._focusCycler=new Ul({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),Rh({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 Wd(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 Nh(this.locale,Oh);return e.label=t(\"bl\"),e.inputView.placeholder=t(\"bl\"),e}}function zh({element:t,target:e,positions:n,limiter:i,fitInViewport:o}){W(e)&&(e=e()),W(i)&&(i=i());const r=function(t){for(;t&&\"html\"!=t.tagName.toLowerCase();){if(\"static\"!=nr.window.getComputedStyle(t).position)return t;t=t.parentElement}return null}(t.parentElement),s=new As(t),a=new As(e);let c,l;if(i||o){const t=i&&new As(i).getVisible(),e=o&&new As(nr.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]=Fh(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)||Fh(n[0],a,s)}else[l,c]=Fh(n[0],a,s);let{left:d,top:u}=Uh(c);if(r){const t=Uh(new As(r)),e=ys(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 Fh(t,e,n){const{left:i,top:o,name:r}=t(e,n);return[r,n.clone().moveTo(i,o)]}function Uh({left:t,top:e}){const{scrollX:n,scrollY:i}=nr.window;return{left:t+n,top:e+i}}n(75);const Hh=Bl(\"px\"),qh=nr.document.body;class Wh extends Ol{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(\"class\"),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(\"class\")],style:{top:e.to(\"top\",Hh),left:e.to(\"left\",Hh)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=Wh.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthWest,e.northArrowSouthEast],limiter:qh,fitInViewport:!0},t),{top:i,left:o,name:r}=Wh._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=Yh(t.target),n=t.limiter?Yh(t.limiter):qh;this.listenTo(nr.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(nr.window,\"resize\",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(nr.document,\"scroll\"),this.stopListening(nr.window,\"resize\")}}function Yh(t){return Wn(t)?t:vs(t)?t.commonAncestorContainer:\"function\"==typeof t?Yh(t()):null}function $h(t,e){return t.top-e.height-Wh.arrowVerticalOffset}function Gh(t){return t.bottom+Wh.arrowVerticalOffset}Wh.arrowHorizontalOffset=25,Wh.arrowVerticalOffset=10,Wh._getOptimalPosition=zh,Wh.defaultPositions={northArrowSouth:(t,e)=>({top:$h(t,e),left:t.left+t.width\/2-e.width\/2,name:\"arrow_s\"}),northArrowSouthEast:(t,e)=>({top:$h(t,e),left:t.left+t.width\/2-e.width+Wh.arrowHorizontalOffset,name:\"arrow_se\"}),northArrowSouthWest:(t,e)=>({top:$h(t,e),left:t.left+t.width\/2-Wh.arrowHorizontalOffset,name:\"arrow_sw\"}),northWestArrowSouth:(t,e)=>({top:$h(t,e),left:t.left-e.width\/2,name:\"arrow_s\"}),northWestArrowSouthWest:(t,e)=>({top:$h(t,e),left:t.left-Wh.arrowHorizontalOffset,name:\"arrow_sw\"}),northWestArrowSouthEast:(t,e)=>({top:$h(t,e),left:t.left-e.width+Wh.arrowHorizontalOffset,name:\"arrow_se\"}),northEastArrowSouth:(t,e)=>({top:$h(t,e),left:t.right-e.width\/2,name:\"arrow_s\"}),northEastArrowSouthEast:(t,e)=>({top:$h(t,e),left:t.right-e.width+Wh.arrowHorizontalOffset,name:\"arrow_se\"}),northEastArrowSouthWest:(t,e)=>({top:$h(t,e),left:t.right-Wh.arrowHorizontalOffset,name:\"arrow_sw\"}),southArrowNorth:(t,e)=>({top:Gh(t),left:t.left+t.width\/2-e.width\/2,name:\"arrow_n\"}),southArrowNorthEast:(t,e)=>({top:Gh(t),left:t.left+t.width\/2-e.width+Wh.arrowHorizontalOffset,name:\"arrow_ne\"}),southArrowNorthWest:(t,e)=>({top:Gh(t),left:t.left+t.width\/2-Wh.arrowHorizontalOffset,name:\"arrow_nw\"}),southWestArrowNorth:(t,e)=>({top:Gh(t),left:t.left-e.width\/2,name:\"arrow_n\"}),southWestArrowNorthWest:(t,e)=>({top:Gh(t),left:t.left-Wh.arrowHorizontalOffset,name:\"arrow_nw\"}),southWestArrowNorthEast:(t,e)=>({top:Gh(t),left:t.left-e.width+Wh.arrowHorizontalOffset,name:\"arrow_ne\"}),southEastArrowNorth:(t,e)=>({top:Gh(t),left:t.right-e.width\/2,name:\"arrow_n\"}),southEastArrowNorthEast:(t,e)=>({top:Gh(t),left:t.right-e.width+Wh.arrowHorizontalOffset,name:\"arrow_ne\"}),southEastArrowNorthWest:(t,e)=>({top:Gh(t),left:t.right-Wh.arrowHorizontalOffset,name:\"arrow_nw\"})};class Qh extends Gl{static get pluginName(){return\"ContextualBalloon\"}init(){this.view=new Wh,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 Gn.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 Gn.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.class=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(29),Kh=n.n(Jh);function Zh(t){const e=t.editing.view,n=Wh.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class Xh extends Gl{static get requires(){return[Qh]}static get pluginName(){return\"ImageTextAlternativeUI\"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add(\"imageTextAlternative\",n=>{const i=t.commands.get(\"imageTextAlternative\"),o=new Wd(n);return o.set({label:e(\"ay\"),icon:Kh.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 Bh(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\",()=>{wh(e.selection)?this._isVisible&&function(t){const e=t.plugins.get(\"ContextualBalloon\");if(wh(t.editing.view.document.selection)){const n=Zh(t);e.updatePosition(n)}}(t):this._hideForm(!0)}),Ih({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._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView==this._form}}class tf extends Gl{static get requires(){return[Sh,Xh]}static get pluginName(){return\"ImageTextAlternative\"}}n(77);class ef extends Gl{static get requires(){return[xh,Ph,tf]}static get pluginName(){return\"Image\"}}class nf extends Ol{constructor(t){super(t),this.buttonView=new Wd(t),this._fileInputView=new of(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 of extends Ol{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 rf=n(30),sf=n.n(rf);function af(t){return\/^image\\\/(jpeg|png|gif|bmp)$\/.test(t.type)}function cf(t){return new Promise((e,n)=>{const i=t.getAttribute(\"src\");fetch(i).then(t=>t.blob()).then(t=>{const o=function(t,e){return t.type?t.type:e.match(\/data:(image\\\/\\w+);base64\/)?e.match(\/data:(image\\\/\\w+);base64\/)[1].toLowerCase():\"image\/jpeg\"}(t,i),r=function(t,e,n){try{return new File([t],e,{type:n})}catch(t){return null}}(t,`image.${o.replace(\"image\/\",\"\")}`,o);r?e(r):n()}).catch(n)})}class lf extends Gl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(\"imageUpload\",n=>{const i=new nf(n),o=t.commands.get(\"imageUpload\");return i.set({acceptedType:\"image\/*\",allowMultipleFiles:!0}),i.buttonView.set({label:e(\"l\"),icon:sf.a,tooltip:!0}),i.buttonView.bind(\"isEnabled\").to(o),i.on(\"done\",(e,n)=>{const i=Array.from(n).filter(af);i.length&&t.execute(\"imageUpload\",{file:i})}),i})}}var df=n(31),uf=n.n(df);n(79),n(81),n(83);class hf extends Gl{constructor(t){super(t),this.placeholder=\"data:image\/svg+xml;utf8,\"+encodeURIComponent(uf.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(tu),a=r?e.attributeNewValue:null,c=this.placeholder,l=i.editing.mapper.toViewElement(o),d=n.writer;if(\"reading\"==a)return ff(l,d),void mf(c,l,d);if(\"uploading\"==a){const t=s.loaders.get(r);return ff(l,d),void(t?(pf(l,d),function(t,e,n,i){const o=function(t){const e=t.createUIElement(\"div\",{class:\"ck-progress-bar\"});return t.setCustomProperty(\"progressBar\",!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)):mf(c,l,d))}\"complete\"==a&&s.loaders.get(r)&&!mo.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){bf(t,e,\"progressBar\")}(l,d),pf(l,d),function(t,e){e.removeClass(\"ck-appear\",t)}(l,d)}}function ff(t,e){t.hasClass(\"ck-appear\")||e.addClass(\"ck-appear\",t)}function mf(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),gf(e,\"placeholder\")||n.insert(n.createPositionAfter(i),function(t){const e=t.createUIElement(\"div\",{class:\"ck-upload-placeholder-loader\"});return t.setCustomProperty(\"placeholder\",!0,e),e}(n))}function pf(t,e){t.hasClass(\"ck-image-upload-placeholder\")&&e.removeClass(\"ck-image-upload-placeholder\",t),bf(t,e,\"placeholder\")}function gf(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function bf(t,e,n){const i=gf(t,n);i&&e.remove(e.createRangeOn(i))}class wf{createDocumentFragment(t){return new Ao(t)}createElement(t,e,n){return new _i(t,e,n)}createText(t){return new fi(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 _i(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 Zi._createAt(t,e)}createPositionAfter(t){return Zi._createAfter(t)}createPositionBefore(t){return Zi._createBefore(t)}createRange(t,e){return new Xi(t,e)}createRangeOn(t){return Xi._createOn(t)}createRangeIn(t){return Xi._createIn(t)}createSelection(t,e,n){return new no(t,e,n)}}class _f extends Xl{refresh(){this.isEnabled=vh(this.editor.model)}execute(t){const e=this.editor,n=e.model,i=e.plugins.get(tu);n.change(e=>{const o=Array.isArray(t.file)?t.file:[t.file];for(const t of o)kf(e,n,i,t)})}}function kf(t,e,n,i){const o=n.createLoader(i);o&&kh(t,e,{uploadId:o.id})}class vf extends Gl{static get requires(){return[tu,Hu]}init(){const t=this.editor,e=t.model.document,n=t.model.schema,i=t.conversion,o=t.plugins.get(tu);n.extend(\"image\",{allowAttributes:[\"uploadId\",\"uploadStatus\"]}),t.commands.add(\"imageUpload\",new _f(t)),i.for(\"upcast\").attributeToAttribute({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&&af(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})}))})}),t.plugins.has(\"Clipboard\")&&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=>({promise:cf(t.item),imageElement:t.item}));if(!i.length)return;const r=new wf;for(const t of i){r.setAttribute(\"uploadProcessed\",!0,t.imageElement);const e=o.createLoader(t.promise);e&&(r.setAttribute(\"src\",\"\",t.imageElement),r.setAttribute(\"uploadId\",e.id,t.imageElement))}}),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=\"$graveyard\"==e.position.root.rootName,i=t.getAttribute(\"uploadId\");if(!i)continue;const r=o.loaders.get(i);if(!r)continue;n?r.abort():\"idle\"==r.status&&this._readAndUpload(r,t)}})}_readAndUpload(t,e){const n=this.editor,i=n.model,o=n.locale.t,r=n.plugins.get(tu),s=n.plugins.get(Hu);return i.enqueueChange(\"transparent\",t=>{t.setAttribute(\"uploadStatus\",\"reading\",e)}),t.read().then(o=>{const r=n.editing.mapper.toViewElement(e).getChild(0),s=t.upload();return n.editing.view.change(t=>{t.setAttribute(\"src\",o,r)}),i.enqueueChange(\"transparent\",t=>{t.setAttribute(\"uploadStatus\",\"uploading\",e)}),s}).then(t=>{i.enqueueChange(\"transparent\",n=>{n.setAttributes({uploadStatus:\"complete\",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,n)}),a()}).catch(n=>{if(\"error\"!==t.status&&\"aborted\"!==t.status)throw n;\"error\"==t.status&&n&&s.showWarning(n,{title:o(\"m\"),namespace:\"upload\"}),a(),i.enqueueChange(\"transparent\",t=>{t.remove(e)})});function a(){i.enqueueChange(\"transparent\",t=>{t.removeAttribute(\"uploadId\",e),t.removeAttribute(\"uploadStatus\",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let i=0;const o=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return i=Math.max(i,e),!0}).map(e=>`${t[e]} ${e}w`).join(\", \");\"\"!=o&&n.setAttribute(\"srcset\",{data:o,width:i},e)}}class yf extends Gl{static get pluginName(){return\"ImageUpload\"}static get requires(){return[vf,lf,hf]}}class xf extends Xl{refresh(){const t=this.editor.model,e=Iu(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is(\"paragraph\"),this.isEnabled=!!e&&Af(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change(i=>{const o=(t.selection||n.selection).getSelectedBlocks();for(const t of o)!t.is(\"paragraph\")&&Af(t,e.schema)&&i.rename(t,\"paragraph\")})}}function Af(t,e){return e.checkChild(t.parent,\"paragraph\")&&!e.isObject(t)}class Cf extends Gl{static get pluginName(){return\"Paragraph\"}init(){const t=this.editor,e=t.model,n=t.data;t.commands.add(\"paragraph\",new xf(t)),e.schema.register(\"paragraph\",{inheritAllFrom:\"$block\"}),t.conversion.elementToElement({model:\"paragraph\",view:\"p\"}),t.conversion.for(\"upcast\").elementToElement({model:(t,e)=>Cf.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement(\"paragraph\"):null,converterPriority:\"low\"}),n.upcastDispatcher.on(\"element\",(t,e,n)=>{n.consumable.test(e.viewItem,{name:e.viewItem.name})&&Pf(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,Tf(e.viewItem,e.modelCursor,n))},{priority:\"low\"}),n.upcastDispatcher.on(\"text\",(t,e,n)=>{e.modelRange||Pf(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,Tf(e.viewItem,e.modelCursor,n))},{priority:\"lowest\"}),e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t)),t.data.on(\"ready\",()=>{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&&\"$graveyard\"!=i.rootName&&e.schema.checkChild(i,\"paragraph\"))return t.insertElement(\"paragraph\",i),!0}}}function Tf(t,e,n){const i=n.writer.createElement(\"paragraph\");return n.writer.insert(i,e),n.convertItem(t,n.writer.createPositionAt(i,0))}function Pf(t,e,n){const i=n.createContext(e);return!!n.checkChild(i,\"paragraph\")&&!!n.checkChild(i.push(\"paragraph\"),t)}Cf.paragraphLikeElements=new Set([\"blockquote\",\"dd\",\"div\",\"dt\",\"h1\",\"h2\",\"h3\",\"h4\",\"h5\",\"h6\",\"li\",\"p\",\"td\"]);class Mf extends Xl{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=Iu(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>Ef(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,n=e.document,i=t.value;e.change(t=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(t=>Ef(t,i,e.schema));for(const e of o)e.is(i)||t.rename(e,i)})}}function Ef(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}const Sf=\"paragraph\";class If extends Gl{constructor(t){super(t),t.config.define(\"heading\",{options:[{model:\"paragraph\",title:\"Paragraph\",class:\"ck-heading_paragraph\"},{model:\"heading1\",view:\"h2\",title:\"Heading 1\",class:\"ck-heading_heading1\"},{model:\"heading2\",view:\"h3\",title:\"Heading 2\",class:\"ck-heading_heading2\"},{model:\"heading3\",view:\"h4\",title:\"Heading 3\",class:\"ck-heading_heading3\"}]})}static get requires(){return[Cf]}init(){const t=this.editor,e=t.config.get(\"heading.options\"),n=[];for(const i of e)i.model!==Sf&&(t.model.schema.register(i.model,{inheritAllFrom:\"$block\"}),t.conversion.elementToElement(i),n.push(i.model));this._addDefaultH1Conversion(t),t.commands.add(\"heading\",new Mf(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(Sf)&&0===o.childCount&&i.writer.rename(o,Sf)})}_addDefaultH1Conversion(t){t.conversion.for(\"upcast\").elementToElement({model:\"heading1\",view:\"h1\",converterPriority:Zn.get(\"low\")+1})}}class Nf{constructor(t,e){e&&Li(this,e),t&&this.set(t)}}ci(Nf,Fi);class Of extends Ol{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(85);class Rf extends Ol{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 ol,this.keystrokes=new Qc,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=Rf.defaultPanelPositions;this.panelView.position=zh({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()}}Rf.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 Df=n(32),Lf=n.n(Df);class jf extends Wd{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 Hd;return t.content=Lf.a,t.extendTemplate({attributes:{class:\"ck-dropdown__arrow\"}}),t}}n(87);class Vf extends Ol{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new ol,this.keystrokes=new Qc,this._focusCycler=new Ul({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 Bf extends Ol{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 zf extends Ol{constructor(t){super(t),this.setTemplate({tag:\"li\",attributes:{class:[\"ck\",\"ck-list__separator\"]}})}}n(89);class Ff extends Wd{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 Ol;return t.setTemplate({tag:\"span\",attributes:{class:[\"ck\",\"ck-button__toggle\"]},children:[{tag:\"span\",attributes:{class:[\"ck\",\"ck-button__toggle__inner\"]}}]}),t}}n(91),n(93);function Uf(t,e=jf){const n=new e(t),i=new Of(t),o=new Rf(t,n,i);return n.bind(\"isEnabled\").to(o),n instanceof jf?n.bind(\"isOn\").to(o,\"isOpen\"):n.arrowView.bind(\"isOn\").to(o,\"isOpen\"),function(t){(function(t){t.on(\"render\",()=>{Ih({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on(\"execute\",e=>{e.source instanceof Ff||(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 Hf(t,e){const n=t.locale,i=t.listView=new Vf(n);i.items.bindTo(e).using(({type:t,model:e})=>{if(\"separator\"===t)return new zf(n);if(\"button\"===t||\"switchbutton\"===t){const i=new Bf(n);let o;return(o=\"button\"===t?new Wd(n):new Ff(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(17);class qf extends Gl{init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e(\"ar\"),\"Heading 1\":e(\"as\"),\"Heading 2\":e(\"at\"),\"Heading 3\":e(\"au\"),\"Heading 4\":e(\"av\"),\"Heading 5\":e(\"aw\"),\"Heading 6\":e(\"ax\")};return t.config.get(\"heading.options\").map(t=>{const e=n[t.title];return e&&e!=t.title&&(t.title=e),t})}(t),i=e(\"b\"),o=e(\"c\");t.ui.componentFactory.add(\"heading\",e=>{const r={},s=new oo,a=t.commands.get(\"heading\"),c=t.commands.get(\"paragraph\"),l=[a];for(const t of n){const e={type:\"button\",model:new Nf({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=Uf(e);return Hf(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})}}function Wf(t){for(const e of t.getChildren())if(e&&e.is(\"caption\"))return e;return null}function Yf(t){const e=t.parent;return\"figcaption\"==t.name&&e&&\"figure\"==e.name&&e.hasClass(\"image\")?{name:!0}:null}class $f extends Gl{init(){const t=this.editor,e=t.editing.view,n=t.model.schema,i=t.data,o=t.editing,r=t.t;n.register(\"caption\",{allowIn:\"image\",allowContentOf:\"$block\",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for(\"upcast\").elementToElement({view:Yf,model:\"caption\"});i.downcastDispatcher.on(\"insert:caption\",Gf(t=>t.createContainerElement(\"figcaption\"),!1));const s=function(t,e){return n=>{const i=n.createEditableElement(\"figcaption\");return n.setCustomProperty(\"imageCaption\",!0,i),al({view:t,element:i,text:e}),ph(i,n)}}(e,r(\"f\"));o.downcastDispatcher.on(\"insert:caption\",Gf(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=Wf(r);i=e.toViewElement(t)}const s=Qf(o.getFirstPosition().parent);if(s&&(i=e.toViewElement(s)),i)return n?n===i?Kf(i,t):(Jf(n,t),this._lastSelectedCaption=i,Kf(i,t)):(this._lastSelectedCaption=i,Kf(i,t));if(n){const e=Jf(n,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,n,i)=>{const o=Qf(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,n=e.document.differ.getChanges(),i=[];for(const t of n)if(\"insert\"==t.type&&\"$text\"!=t.name){const n=t.position.nodeAfter;if(n.is(\"image\")&&!Wf(n)&&i.push(n),!n.is(\"image\")&&n.childCount)for(const t of e.createRangeIn(n).getItems())t.is(\"image\")&&!Wf(t)&&i.push(t)}for(const e of i)t.appendElement(\"caption\",e);return!!i.length}}function Gf(t,e=!0){return(n,i,o)=>{const r=i.item;if((r.childCount||e)&&_h(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 Qf(t){const e=t.getAncestors({includeSelf:!0}).find(t=>\"caption\"==t.name);return e&&e.parent&&\"image\"==e.parent.name?e:null}function Jf(t,e){return!t.childCount&&!t.hasClass(\"ck-hidden\")&&(e.addClass(\"ck-hidden\",t),!0)}function Kf(t,e){return!!t.hasClass(\"ck-hidden\")&&(e.removeClass(\"ck-hidden\",t),!0)}n(96);class Zf extends Xl{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=_h(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 Xf(t,e){for(const n of e)if(n.name===t)return n}var tm=n(13),em=n.n(tm),nm=n(14),im=n.n(nm),om=n(15),rm=n.n(om),sm=n(11),am=n.n(sm);const cm={full:{name:\"full\",title:\"Full size image\",icon:em.a,isDefault:!0},side:{name:\"side\",title:\"Side image\",icon:am.a,className:\"image-style-side\"},alignLeft:{name:\"alignLeft\",title:\"Left aligned image\",icon:im.a,className:\"image-style-align-left\"},alignCenter:{name:\"alignCenter\",title:\"Centered image\",icon:rm.a,className:\"image-style-align-center\"},alignRight:{name:\"alignRight\",title:\"Right aligned image\",icon:am.a,className:\"image-style-align-right\"}},lm={full:em.a,left:im.a,right:am.a,center:rm.a};function dm(t=[]){return t.map(um)}function um(t){if(\"string\"==typeof t){const e=t;cm[e]?t=Object.assign({},cm[e]):(bs.a.warn(\"image-style-not-found: There is no such image style of given name.\",{name:e}),t={name:e})}else if(cm[t.name]){const e=cm[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&&lm[t.icon]&&(t.icon=lm[t.icon]),t}class hm extends Gl{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=dm(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=Xf(n.attributeNewValue,t),r=Xf(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=Iu(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 Zf(t,o))}}n(98);class fm extends Gl{static get pluginName(){return\"ImageStyleUI\"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{\"Full size image\":t(\"g\"),\"Side image\":t(\"h\"),\"Left aligned image\":t(\"i\"),\"Centered image\":t(\"j\"),\"Right aligned image\":t(\"k\")}}init(){const t=function(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}(dm(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 Wd(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 mm extends Gl{static get requires(){return[Qh]}static get pluginName(){return\"WidgetToolbarRepository\"}init(){const t=this.editor;if(t.plugins.has(\"BalloonToolbar\")){const e=t.plugins.get(\"BalloonToolbar\");this.listenTo(e,\"show\",e=>{(function(t){const e=t.getSelectedElement();return!(!e||!hh(e))})(t.editing.view.document.selection)&&e.stop()},{priority:\"high\"})}this._toolbarDefinitions=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\"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{items:e,getRelatedElement:n,balloonClassName:i=\"ck-toolbar-container\"}){const o=this.editor,r=new Wl;if(this._toolbarDefinitions.has(t))throw new Gn.b(\"widget-toolbar-duplicated: Toolbar with the given id was already added.\",{toolbarId:t});r.fillFromConfig(e,o.ui.componentFactory),this._toolbarDefinitions.set(t,{view:r,getRelatedElement:n,balloonClassName:i})}_updateToolbarsVisibility(){let t=0,e=null,n=null;for(const i of this._toolbarDefinitions.values()){const o=i.getRelatedElement(this.editor.editing.view.document.selection);if(this.editor.ui.focusTracker.isFocused&&o){const r=o.getAncestors().length;r>t&&(t=r,e=o,n=i)}else this._hideToolbar(i)}n&&this._showToolbar(n,e)}_hideToolbar(t){this._isToolbarVisible(t)&&this._balloon.remove(t.view)}_showToolbar(t,e){this._isToolbarVisible(t)?function(t,e){const n=t.plugins.get(\"ContextualBalloon\"),i=pm(t,e);n.updatePosition(i)}(this.editor,e):this._balloon.hasView(t.view)||this._balloon.add({view:t.view,position:pm(this.editor,e),balloonClassName:t.balloonClassName})}_isToolbarVisible(t){return this._balloon.visibleView==t.view}}function pm(t,e){const n=t.editing.view,i=Wh.defaultPositions;return{target:n.domConverter.viewToDom(e),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast]}}function gm(t,e,n){return n.createRange(bm(t,e,!0,n),bm(t,e,!1,n))}function bm(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 wm extends Xl{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=gm(n.getFirstPosition(),n.getAttribute(\"linkHref\"),e);i.setAttribute(\"linkHref\",t,o),i.setSelection(o)}else if(\"\"!==t){const e=Vs(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 _m extends Xl{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?[gm(e.getFirstPosition(),e.getAttribute(\"linkHref\"),t)]:e.getRanges();for(const t of i)n.removeAttribute(\"linkHref\",t)})}}const km=\/[\\u0000-\\u0020\\u00A0\\u1680\\u180E\\u2000-\\u2029\\u205f\\u3000]\/g,vm=\/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))\/i;function ym(t,e){const n=e.createAttributeElement(\"a\",{href:t},{priority:5});return e.setCustomProperty(\"link\",!0,n),n}function xm(t){return function(t){return t.replace(km,\"\").match(vm)}(t=String(t))?t:\"#\"}class Am{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&&Cm(this._modelSelection.getFirstPosition(),n)||this._restoreGravity())})}handleForwardMovement(t,e){const n=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return Mm(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):Tm(t,n)?(this._preventCaretMovement(e),this._overrideGravity(),!0):Pm(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const n=this.attribute;return this._isGravityOverridden?Mm(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):Mm(t,n)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&Pm(t,n)?this._hasSelectionAttribute?void(Em(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(Em(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 Cm(t,e){return Tm(t,e)||Pm(t,e)}function Tm(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 Pm(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 Mm(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 Em(t,e){return Cm(t.getShiftedBy(-1),e)}n(100);const Sm=\"ck-link_selected\";class Im extends Gl{init(){const t=this.editor;t.model.schema.extend(\"$text\",{allowAttributes:\"linkHref\"}),t.conversion.for(\"dataDowncast\").attributeToElement({model:\"linkHref\",view:ym}),t.conversion.for(\"editingDowncast\").attributeToElement({model:\"linkHref\",view:(t,e)=>ym(xm(t),e)}),t.conversion.for(\"upcast\").elementToAttribute({view:{name:\"a\",attributes:{href:!0}},model:{key:\"linkHref\",value:t=>t.getAttribute(\"href\")}}),t.commands.add(\"link\",new wm(t)),t.commands.add(\"unlink\",new _m(t)),function(t,e,n,i){const o=new Am(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==bo.arrowright,i=e.keyCode==bo.arrowleft;if(!n&&!i)return;const s=r.getFirstPosition();let a;(a=n?o.handleForwardMovement(s,e):o.handleBackwardMovement(s,e))&&t.stop()},{priority:Zn.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=gm(i.getFirstPosition(),i.getAttribute(\"linkHref\"),t.model),r=t.editing.mapper.toViewRange(o);for(const t of r.getItems())t.is(\"a\")&&(e.addClass(Sm,t),n.add(t))}}),t.conversion.for(\"editingDowncast\").add(t=>{function i(){e.change(t=>{for(const e of n.values())t.removeClass(Sm,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 Nm extends ts{constructor(t){super(t),this.domEventType=\"click\"}onDomEvent(t){this.fire(t.type,t)}}n(102);class Om extends Ol{constructor(t){super(t);const e=t.t;this.focusTracker=new ol,this.keystrokes=new Qc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(e(\"bd\"),Lh.a,\"ck-button-save\"),this.saveButtonView.type=\"submit\",this.cancelButtonView=this._createButton(e(\"be\"),Vh.a,\"ck-button-cancel\",\"cancel\"),this._focusables=new fl,this._focusCycler=new Ul({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(),Rh({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 Nh(this.locale,Oh);return e.label=t(\"bn\"),e.inputView.placeholder=\"https:\/\/example.com\",e}_createButton(t,e,n,i){const o=new Wd(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 Rm=n(33),Dm=n.n(Rm),Lm=n(34),jm=n.n(Lm);n(104);class Vm extends Ol{constructor(t){super(t);const e=t.t;this.focusTracker=new ol,this.keystrokes=new Qc,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e(\"bo\"),Dm.a,\"unlink\"),this.editButtonView=this._createButton(e(\"bp\"),jm.a,\"edit\"),this.set(\"href\"),this._focusables=new fl,this._focusCycler=new Ul({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 Wd(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.delegate(\"execute\").to(this,n),i}_createPreviewButton(){const t=new Wd(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n(\"bq\")}),t.extendTemplate({attributes:{class:[\"ck\",\"ck-link-actions__preview\"],href:e.to(\"href\",t=>t&&xm(t)),target:\"_blank\"}}),t.bind(\"label\").to(this,\"href\",t=>t||n(\"br\")),t.bind(\"isEnabled\").to(this,\"href\",t=>!!t),t.template.tag=\"a\",t.template.eventListeners={},t}}var Bm=n(35),zm=n.n(Bm);const Fm=\"Ctrl+K\";class Um extends Gl{static get requires(){return[Qh]}static get pluginName(){return\"LinkUI\"}init(){const t=this.editor;t.editing.view.addObserver(Nm),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(Qh),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new Vm(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(Fm,(t,e)=>{this._addFormView(),e()}),e}_createFormView(){const t=this.editor,e=new Om(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(Fm,(t,n)=>{n(),e.isEnabled&&this._showUI()}),t.ui.componentFactory.add(\"link\",t=>{const i=new Wd(t);return i.isEnabled=!0,i.label=n(\"n\"),i.icon=zm.a,i.keystroke=Fm,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())}),Ih({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.formView.saveButtonView.focus(),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\"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView)}_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 Hm(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),i=Hm(n.start),o=Hm(n.end);return i&&i==o&&t.createRangeIn(i).getTrimmed().isEqual(n)?i:null}}}function Hm(t){return t.getAncestors().find(t=>(function(t){return t.is(\"attributeElement\")&&!!t.getCustomProperty(\"link\")})(t))}class qm extends Xl{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=>Ym(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\"));Wm(n,!0,t=0===t?1:t),Wm(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=Iu(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=Iu(t.getSelectedBlocks());return!!n&&Ym(n,e)}}function Wm(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 Ym(t,e){return e.checkChild(t.parent,\"listItem\")&&!e.isObject(t)}class $m extends Xl{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=Iu(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 Gm(){const t=!this.isEmpty&&(\"ul\"==this.getChild(0).name||\"ol\"==this.getChild(0).name);return this.isEmpty||t?0:xi.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;lp(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=Gm,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 Jm(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&&cp(r,a,a.nextSibling),dp(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 Km(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\";cp(o,r=o.rename(s,r),r.nextSibling),cp(o,r.previousSibling,r);for(const t of e.item.getChildren())n.consumable.consume(t,\"insert\")}function Zm(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&&cp(r,a,a.nextSibling),dp(n.attributeOldValue+1,n.range.start,c.start,o,i,t),lp(n.item,o,i,t);for(const t of n.item.getChildren())i.consumable.consume(t,\"insert\")}}function Xm(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=cp(i,n,n.nextSibling);e&&e.parent==n&&t.offset--}}cp(i,t.nodeBefore,t.nodeAfter)}}}function tp(t,e,n){const i=n.mapper.toViewPosition(e.position),o=i.nodeBefore,r=i.nodeAfter;cp(n.writer,o,r)}function ep(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{writer:i,schema:o}=n;let r=i.createPositionAfter(t);for(const s of e)if(\"ul\"==s.name||\"ol\"==s.name)r=n.convertItem(s,r).modelCursor;else{const e=n.convertItem(s,i.createPositionAt(t,\"end\")),a=e.modelRange.start.nodeAfter,c=a&&a.is(\"element\")&&!o.checkChild(t,a.name);c&&(t=e.modelCursor.parent.is(\"listItem\")?e.modelCursor.parent:sp(e.modelCursor),r=i.createPositionAfter(t))}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 np(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 ip(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 op(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 rp(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 sp(t){const e=new qs({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is(\"listItem\"));return n.value.item}function ap(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 cp(t,e,n){return e&&n&&(\"ul\"==e.name||\"ol\"==e.name)&&e.name==n.name?t.mergeContainers(t.createPositionAfter(e)):null}function lp(t,e,n,i){const o=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(i.createPositionBefore(t));const c=ap(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=up(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\");cp(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\")))}}cp(s,o,o.nextSibling),cp(s,o.previousSibling,o)}function dp(t,e,n,i,o,r){const s=ap(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=up(d);for(const t of[...i.getChildren()])(t.is(\"ul\")||t.is(\"ol\"))&&(d=c.move(c.createRangeOn(t),d).end,cp(c,t,t.nextSibling),cp(c,t.previousSibling,t))}function up(t){return t.getLastMatchingPosition(t=>t.item.is(\"uiElement\"))}class hp extends Gl{static get requires(){return[Cf]}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\",fp),e.mapper.registerViewToModelLength(\"li\",fp),n.mapper.on(\"modelToViewPosition\",op(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\",op(n.view)),n.downcastDispatcher.on(\"insert\",Xm,{priority:\"high\"}),n.downcastDispatcher.on(\"insert:listItem\",Qm(t.model)),e.downcastDispatcher.on(\"insert\",Xm,{priority:\"high\"}),e.downcastDispatcher.on(\"insert:listItem\",Qm(t.model)),n.downcastDispatcher.on(\"attribute:listType:listItem\",Km),e.downcastDispatcher.on(\"attribute:listType:listItem\",Km),n.downcastDispatcher.on(\"attribute:listIndent:listItem\",Zm(t.model)),e.downcastDispatcher.on(\"attribute:listIndent:listItem\",Zm(t.model)),n.downcastDispatcher.on(\"remove:listItem\",Jm(t.model)),n.downcastDispatcher.on(\"remove\",tp,{priority:\"low\"}),e.downcastDispatcher.on(\"remove:listItem\",Jm(t.model)),e.downcastDispatcher.on(\"remove\",tp,{priority:\"low\"}),e.upcastDispatcher.on(\"element:ul\",np,{priority:\"high\"}),e.upcastDispatcher.on(\"element:ol\",np,{priority:\"high\"}),e.upcastDispatcher.on(\"element:li\",ip,{priority:\"high\"}),e.upcastDispatcher.on(\"element:li\",ep),t.model.on(\"insertContent\",rp,{priority:\"high\"}),t.commands.add(\"numberedList\",new qm(t,\"numbered\")),t.commands.add(\"bulletedList\",new qm(t,\"bulleted\")),t.commands.add(\"indentList\",new $m(t,\"forward\")),t.commands.add(\"outdentList\",new $m(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 fp(t){let e=1;for(const n of t.getChildren())if(\"ul\"==n.name||\"ol\"==n.name)for(const t of n.getChildren())e+=fp(t);return e}var mp=n(36),pp=n.n(mp),gp=n(37),bp=n.n(gp);class wp extends Gl{init(){const t=this.editor.t;this._addButton(\"numberedList\",t(\"o\"),pp.a),this._addButton(\"bulletedList\",t(\"p\"),bp.a)}_addButton(t,e,n){const i=this.editor;i.ui.componentFactory.add(t,o=>{const r=i.commands.get(t),s=new Wd(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 _p(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)}}function kp(t,e,n,i){const o=t.createContainerElement(\"figure\",{class:\"media\"});return o.getFillerOffset=xp,t.insert(t.createPositionAt(o,0),e.getMediaViewElement(t,n,i)),o}function vp(t){const e=t.getSelectedElement();return e&&e.is(\"media\")?e:null}function yp(t,e,n){t.change(i=>{const o=i.createElement(\"media\",{url:e});t.insertContent(o,n),i.setSelection(o,\"on\")})}function xp(){return null}class Ap extends Xl{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,i=e.getFirstPosition(),o=vp(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=vp(n);if(i)e.change(e=>{e.setAttribute(\"url\",t,i)});else{const i=gh(n,e);yp(e,t,i)}}}var Cp=n(38),Tp=n.n(Cp);const Pp=\"0 0 64 42\";class Mp{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):(bs.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 Ep(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 Ep(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 Ep{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 qd,e=new Hd;return t.text=this._t(\"Open media in new tab\"),e.content=Tp.a,e.viewBox=Pp,new pl({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(106);class Sp extends Gl{static get pluginName(){return\"MediaEmbedEditing\"}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\/${t[1]}\" `+'style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0;\" frameborder=\"0\" allowtransparency=\"true\" allow=\"encrypted-media\"><\/iframe><\/div>'}},{name:\"youtube\",url:[\/^(?:m\\.)?youtube\\.com\\\/watch\\?v=([\\w-]+)\/,\/^(?:m\\.)?youtube\\.com\\\/v\\\/([\\w-]+)\/,\/^youtube\\.com\\\/embed\\\/([\\w-]+)\/,\/^youtu\\.be\\\/([\\w-]+)\/],html:t=>{return'<div style=\"position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;\">'+`<iframe src=\"https:\/\/www.youtube.com\/embed\/${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\/${t[1]}\" `+'style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0;\" frameborder=\"0\" webkitallowfullscreen mozallowfullscreen allowfullscreen><\/iframe><\/div>'}},{name:\"instagram\",url:\/^instagram\\.com\\\/p\\\/(\\w+)\/},{name:\"twitter\",url:\/^twitter\\.com\/},{name:\"googleMaps\",url:\/^google\\.com\\\/maps\/},{name:\"flickr\",url:\/^flickr\\.com\/},{name:\"facebook\",url:\/^facebook\\.com\/}]}),this.registry=new Mp(t.locale,t.config.get(\"mediaEmbed\"))}init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion,o=t.config.get(\"mediaEmbed.previewsInData\"),r=this.registry;t.commands.add(\"mediaEmbed\",new Ap(t)),e.register(\"media\",{isObject:!0,isBlock:!0,allowWhere:\"$block\",allowAttributes:[\"url\"]}),i.for(\"dataDowncast\").elementToElement({model:\"media\",view:(t,e)=>{const n=t.getAttribute(\"url\");return kp(e,r,n,{renderMediaPreview:n&&o})}}),i.for(\"dataDowncast\").add(_p(r,{renderMediaPreview:o})),i.for(\"editingDowncast\").elementToElement({model:\"media\",view:(t,e)=>{const i=t.getAttribute(\"url\");return function(t,e,n){return e.setCustomProperty(\"media\",!0,t),fh(t,e,{label:n})}(kp(e,r,i,{renderForEditingView:!0}),e,n(\"q\"))}}),i.for(\"editingDowncast\").add(_p(r,{renderForEditingView:!0})),i.for(\"upcast\").elementToElement({view:{name:\"oembed\",attributes:{url:!0}},model:(t,e)=>{const n=t.getAttribute(\"url\");if(r.hasMedia(n))return e.createElement(\"media\",{url:n})}}).elementToElement({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 Ip=\/^(?:http(s)?:\\\/\\\/)?[\\w.-]+(?:\\.[\\w.-]+)+[\\w\\-._~:\/?#[\\]@!$&'()*+,;=]+$\/;class Np extends Gl{static get requires(){return[Zl,Kd]}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(Zl),\"inputTransformation\",()=>{const t=e.selection.getFirstRange(),n=Oc.fromPosition(t.start);n.stickiness=\"toPrevious\";const i=Oc.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&&(nr.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(Sp).registry,o=new oa(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(Ip))return;if(!i.hasMedia(s))return;n.commands.get(\"mediaEmbed\").isEnabled&&(this._positionToInsert=Oc.fromPosition(t),this._timeoutId=nr.window.setTimeout(()=>{n.model.change(t=>{let e;this._timeoutId=null,t.remove(o),\"$graveyard\"!==this._positionToInsert.root.rootName&&(e=this._positionToInsert),yp(n.model,s,e),this._positionToInsert.detach(),this._positionToInsert=null})},100))}}n(108);class Op extends Ol{constructor(t,e){super(e);const n=e.t;this.focusTracker=new ol,this.keystrokes=new Qc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n(\"bd\"),Lh.a,\"ck-button-save\"),this.saveButtonView.type=\"submit\",this.cancelButtonView=this._createButton(n(\"be\"),Vh.a,\"ck-button-cancel\",\"cancel\"),this._focusables=new fl,this._focusCycler=new Ul({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(),Rh({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=this._urlInputViewInfoDefault}_createUrlInput(){const t=this.locale.t,e=new Nh(this.locale,Oh),n=e.inputView;return this._urlInputViewInfoDefault=t(\"bf\"),this._urlInputViewInfoTip=t(\"bg\"),e.label=t(\"bh\"),e.infoText=this._urlInputViewInfoDefault,n.placeholder=\"https:\/\/example.com\",n.on(\"input\",()=>{e.infoText=n.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault}),e}_createButton(t,e,n,i){const o=new Wd(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 Rp=n(39),Dp=n.n(Rp);class Lp extends Gl{static get requires(){return[Sp]}static get pluginName(){return\"MediaEmbedUI\"}init(){const t=this.editor,e=t.commands.get(\"mediaEmbed\"),n=t.plugins.get(Sp).registry;this.form=new Op(function(t,e){return[e=>{if(!e.url.length)return t(\"s\")},n=>{if(!e.hasMedia(n.url))return t(\"t\")}]}(t.t,n),t.locale),t.ui.componentFactory.add(\"mediaEmbed\",n=>{const i=Uf(n);return this._setUpDropdown(i,this.form,e,t),this._setUpForm(this.form,i,e),i})}_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(\"r\"),icon:Dp.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(110);function jp(t){return t.replace(\/<span(?: class=\"Apple-converted-space\"|)>(\\s+)<\\\/span>\/g,(t,e)=>1===e.length?\" 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e.domToView(n)}(i),s=function(t){const e=[],n=[],i=Array.from(t.getElementsByTagName(\"style\"));for(const t of i)t.sheet&&t.sheet.cssRules&&t.sheet.cssRules.length&&(e.push(t.sheet),n.push(t.innerHTML));return{styles:e,stylesString:n.join(\" \")}}(i);return{body:r,bodyString:o,styles:s.styles,stylesString:s.stylesString}}function Bp(t,e){if(!t.childCount)return;const n=new wf,i=function(t,e){const n=e.createRangeIn(t),i=new bi({name:\/^p|h\\d+$\/,styles:{\"mso-list\":\/.*\/}}),o=[];for(const t of n)if(\"elementStart\"===t.type&&i.match(t.item)){const e=zp(t.item);o.push({element:t.item,id:e.id,order:e.order,indent:e.indent})}return o}(t,n);if(!i.length)return;let o=null;i.forEach((t,r)=>{if(!o||function(t,e){if(t.id!==e.id)return!0;const n=e.element.previousSibling;if(!n)return!0;return!n.is(\"ul\")&&!n.is(\"ol\")}(i[r-1],t)){const i=function(t,e){const n=\/mso-level-number-format:([^;]*);\/gi,i=new RegExp(`@list l${t.id}:level${t.indent}\\\\s*({[^}]*)`,\"gi\").exec(e);let o=\"decimal\";if(i&&i[1]){const t=n.exec(i[1]);t&&t[1]&&(o=t[1].trim())}return{type:\"bullet\"!==o&&\"image\"!==o?\"ol\":\"ul\",style:o}}(t,e);o=function(t,e,n){const i=new _i(t.type),o=e.parent.getChildIndex(e);return n.insertChild(o,i,e.parent),i}(i,t.element,n)}const s=function(t,e){return function(t,e){const n=new bi({name:\"span\",styles:{\"mso-list\":\"Ignore\"}}),i=e.createRangeIn(t);for(const t of i)\"elementStart\"===t.type&&n.match(t.item)&&e.remove(t.item)}(t,e),e.rename(\"li\",t)}(t.element,n);n.appendChild(s,o)})}function zp(t){const e={},n=t.getStyle(\"mso-list\");return n&&(e.id=parseInt(n.match(\/(^|\\s+)l(\\d+)\/i)[2]),e.order=parseInt(n.match(\/\\s*lfo(\\d+)\/i)[1]),e.indent=parseInt(n.match(\/\\s*level(\\d+)\/i)[1])),e}function Fp(t,e){if(!t.childCount)return;const n=new wf;!function(t,e,n){const i=n.createRangeIn(e),o=new bi({name:\"img\"}),r=[];for(const e of i)if(o.match(e.item)){const n=e.item,i=n.getAttribute(\"v:shapes\")?n.getAttribute(\"v:shapes\").split(\" 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e={headingRows:0,headingColumns:0},n=[],i=[];let o;for(const r of Array.from(t.getChildren()))if(\"tbody\"===r.name||\"thead\"===r.name||\"tfoot\"===r.name){\"thead\"!==r.name||o||(o=r);const t=Array.from(r.getChildren()).filter(t=>t.is(\"element\",\"tr\"));for(const r of t)if(\"thead\"===r.parent.name&&r.parent===o)e.headingRows++,n.push(r);else{i.push(r);const t=Gp(r);t>e.headingColumns&&(e.headingColumns=t)}}return e.rows=[...n,...i],e}(i),a={};s&&(a.headingColumns=s),r&&(a.headingRows=r);const c=n.writer.createElement(\"table\",a),l=n.splitToAllowedParent(c,e.modelCursor);if(l){if(n.writer.insert(c,l.position),n.consumable.consume(i,{name:!0}),o.length)o.forEach(t=>n.convertItem(t,n.writer.createPositionAt(c,\"end\")));else{const t=n.writer.createElement(\"tableRow\");n.writer.insert(t,n.writer.createPositionAt(c,\"end\")),Wp(n.writer,n.writer.createPositionAt(t,\"end\"))}e.modelRange=n.writer.createRange(n.writer.createPositionBefore(c),n.writer.createPositionAfter(c)),l.cursorParent?e.modelCursor=n.writer.createPositionAt(l.cursorParent,0):e.modelCursor=e.modelRange.end}})}}function $p(t){return e=>{e.on(`element:${t}`,(t,e,n)=>{const i=e.viewItem;if(!n.consumable.test(i,{name:!0}))return;const 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 Gp(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 Qp{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 t||e}_shouldSkipColumn(t,e){if(void 0===this.column)return!1;const n=t===this.column,i=t<this.column&&t+e>this.column;return!n&&!i}_isSpanned(t,e){if(!this._spannedCells.has(t))return!1;return this._spannedCells.get(t).has(e)}_recordSpans(t,e,n,i){for(let n=e+1;n<=e+i-1;n++)this._markSpannedCell(t,n);for(let o=t+1;o<t+n;o++)for(let t=e;t<=e+i-1;t++)this._markSpannedCell(o,t)}_markSpannedCell(t,e){this._spannedCells.has(t)||this._spannedCells.set(t,new Map),this._spannedCells.get(t).set(e,!0)}}function Jp(t){return!!t.getCustomProperty(\"table\")&&hh(t)}function Kp(t){const e=t.getSelectedElement();return e&&Jp(e)?e:null}function Zp(t){const e=Hp(\"table\",t.getFirstPosition());return e&&Jp(e.parent)?e.parent:null}function Xp(t={}){return e=>e.on(\"insert:table\",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,\"insert\"))return;i.consumable.consume(o,\"attribute:headingRows:table\"),i.consumable.consume(o,\"attribute:headingColumns:table\");const 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(\"table\",!0,t),fh(t,e,{hasSelectionHandler:!0})}(s,i.writer));const l=new Qp(o),d={headingRows:o.getAttribute(\"headingRows\")||0,headingColumns:o.getAttribute(\"headingColumns\")||0},u=new Map;for(const e of l){const{row:n,cell:r}=e,s=dg(lg(n,d),a,i),c=o.getChild(n),l=u.get(n)||ag(c,n,s,i);u.set(n,l),i.consumable.consume(r,\"insert\"),sg(e,d,i.writer.createPositionAt(l,\"end\"),i,t)}const h=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(o,r?c:s),i.writer.insert(h,r?c:s)})}function tg(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=mg(i.mapper.toViewElement(r)),a=r.getChildIndex(o),c=new Qp(r,{startRow:a,endRow:a}),l={headingRows:r.getAttribute(\"headingRows\")||0,headingColumns:r.getAttribute(\"headingColumns\")||0},d=new Map;for(const e of c){const n=dg(lg(a,l),s,i),r=d.get(a)||ag(o,a,n,i);d.set(a,r),i.consumable.consume(e.cell,\"insert\"),sg(e,l,i.writer.createPositionAt(r,\"end\"),i,t)}})}function eg(t={}){return e=>e.on(\"insert:tableCell\",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,\"insert\"))return;const r=o.parent,s=r.parent,a=s.getChildIndex(r),c=new Qp(s,{startRow:a,endRow:a}),l={headingRows:s.getAttribute(\"headingRows\")||0,headingColumns:s.getAttribute(\"headingColumns\")||0};for(const e of c)if(e.cell===o){const n=i.mapper.toViewElement(r);return void sg(e,l,i.writer.createPositionAt(n,r.getChildIndex(o)),i,t)}})}function ng(t={}){const e=!!t.asWidget;return t=>t.on(\"attribute:headingRows:table\",(t,n,i)=>{const o=n.item;if(!i.consumable.consume(n.item,t.name))return;const r=mg(i.mapper.toViewElement(o)),s=n.attributeOldValue,a=n.attributeNewValue;if(a>s){const t=Array.from(o.getChildren()).filter(({index:t})=>c(t,s-1,a));fg(t,dg(\"thead\",r,i),i,\"end\");for(const n of t)for(const t of n.getChildren())og(t,\"th\",i,e);hg(\"tbody\",r,i)}else{fg(Array.from(o.getChildren()).filter(({index:t})=>c(t,a-1,s)).reverse(),dg(\"tbody\",r,i),i,0);const t=new Qp(o,{startRow:a?a-1:a,endRow:s-1}),n={headingRows:o.getAttribute(\"headingRows\")||0,headingColumns:o.getAttribute(\"headingColumns\")||0};for(const o of t)rg(o,n,i,e);hg(\"thead\",r,i)}function c(t,e,n){return t>e&&t<n}})}function ig(t={}){const e=!!t.asWidget;return t=>t.on(\"attribute:headingColumns:table\",(t,n,i)=>{const o=n.item;if(!i.consumable.consume(n.item,t.name))return;const r={headingRows:o.getAttribute(\"headingRows\")||0,headingColumns:o.getAttribute(\"headingColumns\")||0},s=n.attributeOldValue,a=n.attributeNewValue,c=(s>a?s:a)-1;for(const t of new Qp(o))t.column>c||rg(t,r,i,e)})}function og(t,e,n,i){const o=n.writer,r=n.mapper.toViewElement(t);if(!r)return;let s;if(i){s=ph(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 rg(t,e,n,i){const{cell:o}=t,r=cg(t,e),s=n.mapper.toViewElement(o);s&&s.name!==r&&og(o,r,n,i)}function sg(t,e,n,i,o){const r=o&&o.asWidget,s=cg(t,e),a=r?ph(i.writer.createEditableElement(s),i.writer):i.writer.createContainerElement(s),c=t.cell,l=c.getChild(0),d=1===c.childCount&&\"paragraph\"===l.name;if(i.writer.insert(n,a),d&&!function(t){return!![...t.getAttributeKeys()].length}(l)){const t=c.getChild(0),e=i.writer.createPositionAt(a,\"end\");if(i.consumable.consume(t,\"insert\"),o.asWidget){const n=i.writer.createContainerElement(\"span\");i.mapper.bindElements(t,n),i.writer.insert(e,n),i.mapper.bindElements(c,a)}else i.mapper.bindElements(c,a),i.mapper.bindElements(t,a)}else i.mapper.bindElements(c,a)}function ag(t,e,n,i){i.consumable.consume(t,\"insert\");const o=i.writer.createContainerElement(\"tr\");i.mapper.bindElements(t,o);const r=t.parent.getAttribute(\"headingRows\")||0,s=r>0&&e>=r?e-r:e,a=i.writer.createPositionAt(n,s);return i.writer.insert(a,o),o}function cg(t,e){const{row:n,column:i}=t,{headingColumns:o,headingRows:r}=e;return r&&r>n?\"th\":o&&o>i?\"th\":\"td\"}function lg(t,e){return t<e.headingRows?\"thead\":\"tbody\"}function dg(t,e,n){const i=ug(t,e);return i||function(t,e,n){const i=n.writer.createContainerElement(t),o=n.writer.createPositionAt(e,\"tbody\"==t?\"end\":0);return n.writer.insert(o,i),i}(t,e,n)}function ug(t,e){for(const n of e.getChildren())if(n.name==t)return n}function hg(t,e,n){const i=ug(t,e);i&&0===i.childCount&&n.writer.remove(n.writer.createRangeOn(i))}function fg(t,e,n,i){for(const o of t){const t=n.mapper.toViewElement(o);t&&n.writer.move(n.writer.createRangeOn(t),n.writer.createPositionAt(e,i))}}function mg(t){for(const e of t.getChildren())if(\"table\"===e.name)return e}class pg extends Xl{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(\"TableUtils\"),o=parseInt(t.rows)||2,r=parseInt(t.columns)||2,s=gh(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 gg extends Xl{constructor(t,e={}){super(t),this.order=e.order||\"below\"}refresh(){const t=Hp(\"table\",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get(\"TableUtils\"),i=Hp(\"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 bg extends Xl{constructor(t,e={}){super(t),this.order=e.order||\"right\"}refresh(){const t=Hp(\"table\",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get(\"TableUtils\"),i=Hp(\"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 wg extends Xl{constructor(t,e={}){super(t),this.direction=e.direction||\"horizontally\"}refresh(){const t=Hp(\"tableCell\",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=Hp(\"tableCell\",this.editor.model.document.selection.getFirstPosition()),e=\"horizontally\"===this.direction,n=this.editor.plugins.get(\"TableUtils\");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}class _g extends Xl{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=Hp(\"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 Qp(n,{endRow:i})){const n=o+r-1>=i;n&&qp(\"rowspan\",r-1,t,e)}e.remove(t)}(a,t)})}_getMergeableCell(){const t=Hp(\"tableCell\",this.editor.model.document.selection.getFirstPosition());if(!t)return;const e=this.editor.plugins.get(\"TableUtils\"),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 Qp(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 vg extends Xl{refresh(){const t=Hp(\"tableCell\",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t&&t.parent.parent.childCount>1}execute(){const t=this.editor.model,e=Hp(\"tableCell\",t.document.selection.getFirstPosition()).parent,n=e.parent,i=n.getChildIndex(e),o=n.getAttribute(\"headingRows\")||0;t.change(t=>{o&&i<=o&&qp(\"headingRows\",o-1,n,t,0);const r=[...new Qp(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})=>qp(\"rowspan\",n-1,e,t));const a=i+1,c=new Qp(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),qp(\"rowspan\",r,o,t),l=o}else l=o;t.remove(e)})}}class yg extends Xl{refresh(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get(\"TableUtils\"),i=Hp(\"tableCell\",e.getFirstPosition());this.isEnabled=!!i&&n.getColumns(i.parent.parent)>1}execute(){const t=this.editor.model,e=Hp(\"tableCell\",t.document.selection.getFirstPosition()),n=e.parent,i=n.parent,o=i.getAttribute(\"headingColumns\")||0,r=i.getChildIndex(n),s=[...new Qp(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?qp(\"colspan\",i-1,e,t):n===a&&t.remove(e)})}}class xg extends Xl{refresh(){const t=Hp(\"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=Hp(\"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 Qp(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)Ag(n,r,t)}qp(\"headingRows\",r,n,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute(\"headingRows\")||0);return!!n&&t.parent.index<n}}function Ag(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 Qp(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);Wp(n,n.createPositionAt(t,c),s)}qp(\"rowspan\",r,t,n)}class Cg extends Xl{refresh(){const t=Hp(\"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=Hp(\"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=>{qp(\"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}}class Tg extends Gl{static get pluginName(){return\"TableUtils\"}getCellLocation(t){const e=t.parent,n=e.parent,i=n.getChildIndex(e),o=new Qp(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 Pg(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 Pg(e,t,i,o,this.getColumns(t));const r=new Qp(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)}Pg(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())Mg(o,e,e.createPositionAt(n,i?\"end\":0));return}const s=new Qp(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);Mg(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}=Eg(r,e);qp(\"colspan\",s,t,n);const a={};i>1&&(a.colspan=i),o>1&&(a.rowspan=o),Mg(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Qp(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),Mg(s,n,n.createPositionAfter(t),d);const u=i.getAttribute(\"headingColumns\")||0;u>c&&qp(\"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 Qp(o,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:c,updatedSpan:l}=Eg(s,e);qp(\"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){Mg(1,n,n.createPositionAt(o.getChild(e),s),u)}}}if(s<e){const i=e-s,c=[...new Qp(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),Pg(n,o,r+1,i,1,l);const d=o.getAttribute(\"headingRows\")||0;d>r&&qp(\"headingRows\",d+i,o,n)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>{return t+parseInt(e.getAttribute(\"colspan\")||1)},0)}}function Pg(t,e,n,i,o,r={}){for(let s=0;s<i;s++){const i=t.createElement(\"tableRow\");t.insert(i,e,n),Mg(o,t,t.createPositionAt(i,\"end\"),r)}}function Mg(t,e,n,i={}){for(let o=0;o<t;o++)Wp(e,n,i)}function Eg(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t\/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}function Sg(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=Hp(\"table\",e.position)),Og(e)&&(n=Hp(\"table\",e.range.start)),n&&!o.has(n)&&(i=Ig(n,t)||i,i=Ng(n,t)||i,o.add(n))}return i})(e,t))}function Ig(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 Qp(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)qp(\"rowspan\",t.rowspan,t.cell,e,1)}return n}function Ng(t,e){let n=!1;const i=function(t){const e={};for(const{row:n}of new Qp(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++)Wp(e,e.createPositionAt(t.getChild(r),\"end\"));n=!0}}}return n}function Og(t){const e=\"attribute\"===t.type,n=t.attributeKey;return e&&(\"headingRows\"===n||\"colspan\"===n||\"rowspan\"===n)}function Rg(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=jg(e.position.parent,t)||i),\"insert\"==e.type&&(\"table\"==e.name&&(i=Dg(e.position.nodeAfter,t)||i),\"tableRow\"==e.name&&(i=Lg(e.position.nodeAfter,t)||i),\"tableCell\"==e.name&&(i=jg(e.position.nodeAfter,t)||i));return i})(e,t))}function Dg(t,e){let n=!1;for(const i of t.getChildren())n=Lg(i,e)||n;return n}function Lg(t,e){let n=!1;for(const i of t.getChildren())n=jg(i,e)||n;return n}function jg(t,e){if(0==t.childCount)return e.insertElement(\"paragraph\",t),!0;const n=Array.from(t.getChildren()).filter(t=>t.is(\"text\"));for(const t of n)e.wrap(e.createRangeOn(t),\"paragraph\");return!!n.length}function Vg(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(zg).filter(t=>Fg(t.parent)),n=Array.from(t._renderer.markedChildren).filter(t=>!!t.parent).filter(Fg).reduce((t,e)=>{const n=Array.from(e.getChildren()).filter(zg);return[...t,...n]},[]);return[...e,...n]}(i);for(const e of r)o=Bg(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 Bg(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 zg(t){return t.is(\"p\")||t.is(\"span\")}function Fg(t){return t.is(\"td\")||t.is(\"th\")}n(112);class Ug extends Gl{init(){const t=this.editor,e=t.model,n=e.schema,i=t.conversion;n.register(\"table\",{allowWhere:\"$block\",allowAttributes:[\"headingRows\",\"headingColumns\"],isLimit:!0,isObject:!0,isBlock:!0}),n.register(\"tableRow\",{allowIn:\"table\",isLimit:!0}),n.register(\"tableCell\",{allowIn:\"tableRow\",allowAttributes:[\"colspan\",\"rowspan\"],isLimit:!0}),n.extend(\"$block\",{allowIn:\"tableCell\"}),n.addChildCheck((t,e)=>{if(\"table\"==e.name&&Array.from(t.getNames()).includes(\"table\"))return!1}),i.for(\"upcast\").add(Yp()),i.for(\"editingDowncast\").add(Xp({asWidget:!0})),i.for(\"dataDowncast\").add(Xp()),i.for(\"upcast\").elementToElement({model:\"tableRow\",view:\"tr\"}),i.for(\"editingDowncast\").add(tg({asWidget:!0})),i.for(\"dataDowncast\").add(tg()),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($p(\"td\")),i.for(\"upcast\").add($p(\"th\")),i.for(\"editingDowncast\").add(eg({asWidget:!0})),i.for(\"dataDowncast\").add(eg()),i.attributeToAttribute({model:\"colspan\",view:\"colspan\"}),i.attributeToAttribute({model:\"rowspan\",view:\"rowspan\"}),i.for(\"editingDowncast\").add(ig({asWidget:!0})),i.for(\"dataDowncast\").add(ig()),i.for(\"editingDowncast\").add(ng({asWidget:!0})),i.for(\"dataDowncast\").add(ng()),Vg(t.model,t.editing),t.commands.add(\"insertTable\",new pg(t)),t.commands.add(\"insertTableRowAbove\",new gg(t,{order:\"above\"})),t.commands.add(\"insertTableRowBelow\",new gg(t,{order:\"below\"})),t.commands.add(\"insertTableColumnLeft\",new bg(t,{order:\"left\"})),t.commands.add(\"insertTableColumnRight\",new bg(t,{order:\"right\"})),t.commands.add(\"removeTableRow\",new vg(t)),t.commands.add(\"removeTableColumn\",new yg(t)),t.commands.add(\"splitTableCellVertically\",new wg(t,{direction:\"vertically\"})),t.commands.add(\"splitTableCellHorizontally\",new wg(t,{direction:\"horizontally\"})),t.commands.add(\"mergeTableCellRight\",new _g(t,{direction:\"right\"})),t.commands.add(\"mergeTableCellLeft\",new _g(t,{direction:\"left\"})),t.commands.add(\"mergeTableCellDown\",new _g(t,{direction:\"down\"})),t.commands.add(\"mergeTableCellUp\",new _g(t,{direction:\"up\"})),t.commands.add(\"setTableColumnHeader\",new Cg(t)),t.commands.add(\"setTableRowHeader\",new xg(t)),Sg(e),Rg(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[Tg]}_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=Hp(\"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(\"TableUtils\").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(114);class Hg extends Ol{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 ${t}`),this.setTemplate({tag:\"div\",attributes:{class:[\"ck\"]},children:[{tag:\"div\",attributes:{class:[\"ck-insert-table-dropdown__grid\"]},children:this.items},{tag:\"div\",attributes:{class:[\"ck-insert-table-dropdown__label\"]},children:[{text:e.to(\"label\")}]}],on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(()=>{this.fire(\"execute\")})}});for(let t=0;t<100;t++){const e=new qg;e.on(\"over\",()=>{const e=Math.floor(t\/10),n=t%10;this.set(\"rows\",e+1),this.set(\"columns\",n+1)}),this.items.add(e)}this.on(\"change:columns\",()=>{this._highlightGridBoxes()}),this.on(\"change:rows\",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map((n,i)=>{const o=Math.floor(i\/10)<t&&i%10<e;n.set(\"isOn\",o)})}}class qg extends Ol{constructor(t){super(t);const e=this.bindTemplate;this.set(\"isOn\",!1),this.setTemplate({tag:\"div\",attributes:{class:[\"ck-insert-table-dropdown-grid-box\",e.if(\"isOn\",\"ck-on\")]},on:{mouseover:e.to(\"over\")}})}}var Wg=n(40),Yg=n.n(Wg),$g=n(41),Gg=n.n($g),Qg=n(42),Jg=n.n(Qg),Kg=n(43),Zg=n.n(Kg);class Xg extends Gl{init(){const t=this.editor,e=this.editor.t;t.ui.componentFactory.add(\"insertTable\",n=>{const i=t.commands.get(\"insertTable\"),o=Uf(n);o.bind(\"isEnabled\").to(i),o.buttonView.set({icon:Yg.a,label:e(\"y\"),tooltip:!0});const r=new Hg(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(\"z\"),bindIsOn:!0}},{type:\"separator\"},{type:\"button\",model:{commandName:\"insertTableColumnLeft\",label:e(\"aa\")}},{type:\"button\",model:{commandName:\"insertTableColumnRight\",label:e(\"ab\")}},{type:\"button\",model:{commandName:\"removeTableColumn\",label:e(\"ac\")}}];return this._prepareDropdown(e(\"ad\"),Gg.a,n,t)}),t.ui.componentFactory.add(\"tableRow\",t=>{const n=[{type:\"switchbutton\",model:{commandName:\"setTableRowHeader\",label:e(\"ae\"),bindIsOn:!0}},{type:\"separator\"},{type:\"button\",model:{commandName:\"insertTableRowBelow\",label:e(\"af\")}},{type:\"button\",model:{commandName:\"insertTableRowAbove\",label:e(\"ag\")}},{type:\"button\",model:{commandName:\"removeTableRow\",label:e(\"ah\")}}];return this._prepareDropdown(e(\"ai\"),Jg.a,n,t)}),t.ui.componentFactory.add(\"mergeTableCells\",t=>{const n=[{type:\"button\",model:{commandName:\"mergeTableCellUp\",label:e(\"aj\")}},{type:\"button\",model:{commandName:\"mergeTableCellRight\",label:e(\"ak\")}},{type:\"button\",model:{commandName:\"mergeTableCellDown\",label:e(\"al\")}},{type:\"button\",model:{commandName:\"mergeTableCellLeft\",label:e(\"am\")}},{type:\"separator\"},{type:\"button\",model:{commandName:\"splitTableCellVertically\",label:e(\"an\")}},{type:\"button\",model:{commandName:\"splitTableCellHorizontally\",label:e(\"ao\")}}];return this._prepareDropdown(e(\"ap\"),Zg.a,n,t)})}_prepareDropdown(t,e,n,i){const o=this.editor,r=Uf(i),s=[],a=new oo;for(const t of n)tb(t,o,s,a);return Hf(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 tb(t,e,n,i){const o=t.model=new Nf(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(116);n.d(e,\"default\",function(){return eb});class eb extends $l{}eb.builtinPlugins=[class extends Gl{static get requires(){return[Zl,od,cd,Cd,Kd]}static get pluginName(){return\"Essentials\"}},su,class extends Gl{static get pluginName(){return\"Autoformat\"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get(\"bulletedList\")&&new cu(this.editor,\/^[*-]\\s$\/,\"bulletedList\"),t.get(\"numberedList\")&&new cu(this.editor,\/^1[.|)]\\s$\/,\"numberedList\")}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get(\"bold\")){const t=uu(this.editor,\"bold\");new lu(this.editor,\/(\\*\\*)([^*]+)(\\*\\*)$\/g,t),new lu(this.editor,\/(__)([^_]+)(__)$\/g,t)}if(t.get(\"italic\")){const t=uu(this.editor,\"italic\");new lu(this.editor,\/(?:^|[^*])(\\*)([^*_]+)(\\*)$\/g,t),new lu(this.editor,\/(?:^|[^_])(_)([^_]+)(_)$\/g,t)}if(t.get(\"code\")){const t=uu(this.editor,\"code\");new lu(this.editor,\/(`)([^`]+)(`)$\/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get(\"heading\");t&&t.modelElements.filter(t=>t.match(\/^heading[1-6]$\/)).forEach(e=>{const n=e[7],i=new RegExp(`^(#{${n}})\\\\s$`);new cu(this.editor,i,()=>{if(!t.isEnabled)return!1;this.editor.execute(\"heading\",{value:e})})})}_addBlockQuoteAutoformats(){this.editor.commands.get(\"blockQuote\")&&new cu(this.editor,\/^>\\s$\/,\"blockQuote\")}},class extends Gl{static get requires(){return[mu,wu]}static get pluginName(){return\"Bold\"}},class extends Gl{static get requires(){return[ku,Au]}static get pluginName(){return\"Italic\"}},class extends Gl{static get requires(){return[Tu,Su]}static get pluginName(){return\"Underline\"}},class extends Gl{static get requires(){return[Lu,Bu]}static get pluginName(){return\"BlockQuote\"}},class extends Gl{static get pluginName(){return\"CKFinder\"}static get requires(){return[Yu,Uu,su]}},class extends Gl{static get requires(){return[th,ef,yf]}static get pluginName(){return\"EasyImage\"}},class extends Gl{static get requires(){return[If,qf]}static get pluginName(){return\"Heading\"}},ef,class extends Gl{static get requires(){return[$f]}static get pluginName(){return\"ImageCaption\"}},class extends Gl{static get requires(){return[hm,fm]}static get pluginName(){return\"ImageStyle\"}},class extends Gl{static get requires(){return[mm]}static get pluginName(){return\"ImageToolbar\"}afterInit(){const t=this.editor;t.plugins.get(mm).register(\"image\",{items:t.config.get(\"image.toolbar\")||[],getRelatedElement:wh})}},yf,class extends Gl{static get requires(){return[Im,Um]}static get pluginName(){return\"Link\"}},class extends Gl{static get requires(){return[hp,wp]}static get pluginName(){return\"List\"}},class extends Gl{static get requires(){return[Sp,Lp,Np,Ph]}static get pluginName(){return\"MediaEmbed\"}},Cf,class extends Gl{static get pluginName(){return\"PasteFromOffice\"}init(){const t=this.editor;this.listenTo(t.plugins.get(Zl),\"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}=Vp(t);return Bp(n,i),Fp(n,e.getData(\"text\/rtf\")),n}},class extends Gl{static get requires(){return[Ug,Xg,Ph]}static get pluginName(){return\"Table\"}},class extends Gl{static get requires(){return[mm]}static get pluginName(){return\"TableToolbar\"}afterInit(){const t=this.editor,e=t.plugins.get(mm),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,getRelatedElement:Zp}),o&&e.register(\"table\",{items:o,getRelatedElement:Kp})}}],eb.defaultConfig={toolbar:{items:[\"heading\",\"|\",\"bold\",\"italic\",\"underline\",\"link\",\"bulletedList\",\"numberedList\",\"imageUpload\",\"blockQuote\",\"insertTable\",\"mediaEmbed\",\"undo\",\"redo\"]},image:{toolbar:[\"imageStyle:full\",\"imageStyle:side\",\"|\",\"imageTextAlternative\"]},table:{contentToolbar:[\"tableColumn\",\"tableRow\",\"mergeTableCells\"]},language:\"en\"}}]).default});"
//# sourceMappingURL=ckeditor.js.map