ckeditor5/dist/browser/ckeditor5.js

A set of ready-to-use rich text editors created with a powerful framework. Made with real-time collaborative editing in mind.

/**
 * @license Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
 */
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t=So(e);if(Object.defineProperty(this,"_source",{value:e._source||e,writable:!0,enumerable:!1}),Mo(e)||t)if(t){const t=Ro.getDomRangeRects(e);Oo(this,Ro.getBoundingRect(t))}else Oo(this,e.getBoundingClientRect());else if(wo(e)){const{innerWidth:t,innerHeight:i}=e;Oo(this,{top:0,right:t,bottom:i,left:0,width:t,height:i})}else Oo(this,e)}clone(){return new Ro(this)}moveTo(e,t){return this.top=t,this.right=e+this.width,this.bottom=t+this.height,this.left=e,this}moveBy(e,t){return this.top+=t,this.right+=e,this.left+=e,this.bottom+=t,this}getIntersection(e){const t={top:Math.max(this.top,e.top),right:Math.min(this.right,e.right),bottom:Math.min(this.bottom,e.bottom),left:Math.max(this.left,e.left),width:0,height:0};if(t.width=t.right-t.left,t.height=t.bottom-t.top,t.width<0||t.height<0)return null;{const e=new Ro(t);return e._source=this._source,e}}getIntersectionArea(e){const t=this.getIntersection(e);return t?t.getArea():0}getArea(){return this.width*this.height}getVisible(){const e=this._source;let t=this.clone();if(Bo(e))return t;let i,n=e,s=e.parentNode||e.commonAncestorContainer;for(;s&&!Bo(s);){const e="visible"===((o=s)instanceof HTMLElement?o.ownerDocument.defaultView.getComputedStyle(o).overflow:"visible");n instanceof HTMLElement&&"absolute"===Lo(n)&&(i=n);const r=Lo(s);if(e||i&&("relative"===r&&e||"relative"!==r)){n=s,s=s.parentNode;continue}const a=new Ro(s),l=t.getIntersection(a);if(!l)return null;l.getArea()<t.getArea()&&(t=l),n=s,s=s.parentNode}var o;return t}isEqual(e){for(const t of Vo)if(this[t]!==e[t])return!1;return!0}contains(e){const t=this.getIntersection(e);return!(!t||!t.isEqual(e))}toAbsoluteRect(){const{scrollX:e,scrollY:t}=i.window,n=this.clone().moveBy(e,t);if(Mo(n._source)){const e=Io(n._source);e&&function(e,t){const i=new Ro(t),n=Eo(t);let s=0,o=0;s-=i.left,o-=i.top,s+=t.scrollLeft,o+=t.scrollTop,s-=n.left,o-=n.top,e.moveBy(s,o)}(n,e)}return n}excludeScrollbarsAndBorders(){const e=this._source;let t,i,n;if(wo(e))t=e.innerWidth-e.document.documentElement.clientWidth,i=e.innerHeight-e.document.documentElement.clientHeight,n=e.getComputedStyle(e.document.documentElement).direction;else{const s=Eo(e);t=e.offsetWidth-e.clientWidth-s.left-s.right,i=e.offsetHeight-e.clientHeight-s.top-s.bottom,n=e.ownerDocument.defaultView.getComputedStyle(e).direction,this.left+=s.left,this.top+=s.top,this.right-=s.right,this.bottom-=s.bottom,this.width=this.right-this.left,this.height=this.bottom-this.top}return this.width-=t,"ltr"===n?this.right-=t:this.left+=t,this.height-=i,this.bottom-=i,this}static getDomRangeRects(e){const t=[],i=Array.from(e.getClientRects());if(i.length)for(const e of i)t.push(new Ro(e));else{let i=e.startContainer;Po(i)&&(i=i.parentNode);const n=new Ro(i.getBoundingClientRect());n.right=n.left,n.width=0,t.push(n)}return t}static getBoundingRect(e){const t={left:Number.POSITIVE_INFINITY,top:Number.POSITIVE_INFINITY,right:Number.NEGATIVE_INFINITY,bottom:Number.NEGATIVE_INFINITY,width:0,height:0};let i=0;for(const n of e)i++,t.left=Math.min(t.left,n.left),t.top=Math.min(t.top,n.top),t.right=Math.max(t.right,n.right),t.bottom=Math.max(t.bottom,n.bottom);return 0==i?null:(t.width=t.right-t.left,t.height=t.bottom-t.top,new Ro(t))}}function Oo(e,t){for(const i of Vo)e[i]=t[i]}function Bo(e){return!!Mo(e)&&e===e.ownerDocument.body}function Mo(e){return null!==e&&"object