@vaadin/rich-text-editor/vendor/vaadin-quill.js

vaadin-rich-text-editor

/*!
 * Quill Editor v2.0.3
 * https://quilljs.com
 * Copyright (c) 2017-2026, Slab
 * Copyright (c) 2014, Jason Chen
 * Copyright (c) 2013, salesforce.com
 */
!function(t,e){t.Quill=e()}(window,(function(){return function(){"use strict";var t={698:function(t,e,n){n.d(e,{Ay:function(){return a},Ji:function(){return h},zo:function(){return c}});var s=n(3),i=n(398),r=n(36),o=n(850),l=n(508);class a extends s.BlockBlot{cache={};delta(){return null==this.cache.delta&&(this.cache.delta=function(t){let e=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];return t.descendants(s.LeafBlot).reduce(((t,n)=>0===n.length()?t:t.insert(n.value(),h(n,{},e))),new i.Ay).insert("\n",h(t))}(this)),this.cache.delta}deleteAt(t,e){super.deleteAt(t,e),this.cache={}}formatAt(t,e,n,i){e<=0||(this.scroll.query(n,s.Scope.BLOCK)?t+e===this.length()&&this.format(n,i):super.formatAt(t,Math.min(e,this.length()-t-1),n,i),this.cache={})}insertAt(t,e,n){if(null!=n)return super.insertAt(t,e,n),void(this.cache={});if(0===e.length)return;const s=e.split("\n"),i=s.shift();i.length>0&&(t<this.length()-1||null==this.children.tail?super.insertAt(Math.min(t,this.length()-1),i):this.children.tail.insertAt(this.children.tail.length(),i),this.cache={});let r=this;s.reduce(((t,e)=>(r=r.split(t,!0),r.insertAt(0,e),e.length)),t+i.length)}insertBefore(t,e){const{head:n}=this.children;super.insertBefore(t,e),n instanceof r.A&&n.remove(),this.cache={}}length(){return null==this.cache.length&&(this.cache.length=super.length()+1),this.cache.length}moveChildren(t,e){super.moveChildren(t,e),this.cache={}}optimize(t){super.optimize(t),this.cache={}}path(t){return super.path(t,!0)}removeChild(t){super.removeChild(t),this.cache={}}split(t){let e=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(e&&(0===t||t>=this.length()-1)){const e=this.clone();return 0===t?(this.parent.insertBefore(e,this),this):(this.parent.insertBefore(e,this.next),e)}const n=super.split(t,e);return this.cache={},n}}a.blotName="block",a.tagName="P",a.defaultChild=r.A,a.allowedChildren=[r.A,o.A,s.EmbedBlot,l.A];class c extends s.EmbedBlot{attach(){super.attach(),this.attributes=new s.AttributorStore(this.domNode)}delta(){return(new i.Ay).insert(this.value(),{...this.formats(),...this.attributes.values()})}format(t,e){const n=this.scroll.query(t,s.Scope.BLOCK_ATTRIBUTE);null!=n&&this.attributes.attribute(n,e)}formatAt(t,e,n,s){this.format(n,s)}insertAt(t,e,n){if(null!=n)return void super.insertAt(t,e,n);const s=e.split("\n"),i=s.pop(),r=s.map((t=>{const e=this.scroll.create(a.blotName);return e.insertAt(0,t),e})),o=this.split(t);r.forEach((t=>{this.parent.insertBefore(t,o)})),i&&this.parent.insertBefore(this.scroll.create("text",i),o)}}function h(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];return null==t?e:("formats"in t&&"function"==typeof t.formats&&(e={...e,...t.formats()},n&&delete 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n=this,i=0;for(;null!=n&&n.statics.scope!==s.Scope.BLOCK_BLOT;)i+=n.offset(n.parent),n=n.parent;null!=n&&(this.savedLength=r.CONTENTS.length,n.optimize(),n.formatAt(i,r.CONTENTS.length,t,e),this.savedLength=0)}index(t,e){return t===this.textNode?0:super.index(t,e)}length(){return this.savedLength}position(){return[this.textNode,this.textNode.data.length]}remove(){super.remove(),this.parent=null}restore(){if(this.selection.composing||null==this.parent)return null;const t=this.selection.getNativeRange();for(;null!=this.domNode.lastChild&&this.domNode.lastChild!==this.textNode;)this.domNode.parentNode.insertBefore(this.domNode.lastChild,this.domNode);const e=this.prev instanceof i.A?this.prev:null,n=e?e.length():0,s=this.next instanceof i.A?this.next:null,o=s?s.text:"",{textNode:l}=this,a=l.data.split(r.CONTENTS).join("");let c;if(l.data=r.CONTENTS,e)c=e,(a||s)&&(e.insertAt(e.length(),a+o),s&&s.remove());else if(s)c=s,s.insertAt(0,a);else{const 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i.A?(this.next.insertAt(0,s),n={startNode:this.next.domNode,startOffset:s.length}):(e=document.createTextNode(s),this.parent.insertBefore(this.scroll.create(e),this.next),n={startNode:e,startOffset:s.length}));return t.data=r,n}update(t,e){t.forEach((t=>{if("characterData"===t.type&&(t.target===this.leftGuard||t.target===this.rightGuard)){const n=this.restore(t.target);n&&(e.range=n)}}))}}e.A=o},850:function(t,e,n){var s=n(3),i=n(36),r=n(508);class o extends s.InlineBlot{static allowedChildren=[o,i.A,s.EmbedBlot,r.A];static order=["cursor","inline","link","underline","strike","italic","bold","script","code"];static compare(t,e){const n=o.order.indexOf(t),s=o.order.indexOf(e);return n>=0||s>=0?n-s:t===e?0:t<e?-1:1}formatAt(t,e,n,i){if(o.compare(this.statics.blotName,n)<0&&this.scroll.query(n,s.Scope.BLOT)){const s=this.isolate(t,e);i&&s.wrap(n,i)}else super.formatAt(t,e,n,i)}optimize(t){if(super.optimize(t),this.parent instanceof 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allowedChildren=[i.Ay,i.zo,o.A];constructor(t,e,n){let{emitter:s}=n;super(t,e),this.emitter=s,this.batch=!1,this.optimize(),this.enable(),this.domNode.addEventListener("dragstart",(t=>this.handleDragStart(t)))}batchStart(){Array.isArray(this.batch)||(this.batch=[])}batchEnd(){if(!this.batch)return;const t=this.batch;this.batch=!1,this.update(t)}emitMount(t){this.emitter.emit(d.A.events.SCROLL_BLOT_MOUNT,t)}emitUnmount(t){this.emitter.emit(d.A.events.SCROLL_BLOT_UNMOUNT,t)}emitEmbedUpdate(t,e){this.emitter.emit(d.A.events.SCROLL_EMBED_UPDATE,t,e)}deleteAt(t,e){const[n,s]=this.line(t),[o]=this.line(t+e);if(super.deleteAt(t,e),null!=o&&n!==o&&s>0){if(n instanceof i.zo||o instanceof i.zo)return void this.optimize();const t=o.children.head instanceof r.A?null:o.children.head;n.moveChildren(o,t),n.remove()}this.optimize()}enable(){let t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.domNode.setAttribute("contenteditable",t?"true":"false")}formatAt(t,e,n,s){super.formatAt(t,e,n,s),this.optimize()}insertAt(t,e,n){if(t>=this.length())if(null==n||null==this.scroll.query(e,h.Scope.BLOCK)){const t=this.scroll.create(this.statics.defaultChild.blotName);this.appendChild(t),null==n&&e.endsWith("\n")?t.insertAt(0,e.slice(0,-1),n):t.insertAt(0,e,n)}else{const t=this.scroll.create(e,n);this.appendChild(t)}else super.insertAt(t,e,n);this.optimize()}insertBefore(t,e){if(t.statics.scope===h.Scope.INLINE_BLOT){const n=this.scroll.create(this.statics.defaultChild.blotName);n.appendChild(t),super.insertBefore(n,e)}else super.insertBefore(t,e)}insertContents(t,e){const n=this.deltaToRenderBlocks(e.concat((new u.Ay).insert("\n"))),s=n.pop();if(null==s)return;this.batchStart();const r=n.shift();if(r){const e="block"===r.type&&(0===r.delta.length()||!this.descendant(i.zo,t)[0]&&t<this.length()),n="block"===r.type?r.delta:(new u.Ay).insert({[r.key]:r.value});g(this,t,n);const s="block"===r.type?1:0,o=t+n.length()+s;e&&this.insertAt(o-1,"\n");const l=(0,i.Ji)(this.line(t)[0]),a=u.xb.diff(l,r.attributes)||{};Object.keys(a).forEach((t=>{this.formatAt(o-1,1,t,a[t])})),t=o}let[o,l]=this.children.find(t);n.length&&(o&&(o=o.split(l),l=0),n.forEach((t=>{if("block"===t.type)g(this.createBlock(t.attributes,o||void 0),0,t.delta);else{const e=this.create(t.key,t.value);this.insertBefore(e,o||void 0),Object.keys(t.attributes).forEach((n=>{e.format(n,t.attributes[n])}))}}))),"block"===s.type&&s.delta.length()&&g(this,o?o.offset(o.scroll)+l:this.length(),s.delta),this.batchEnd(),this.optimize()}isEnabled(){return"true"===this.domNode.getAttribute("contenteditable")}leaf(t){const e=this.path(t).pop();if(!e)return[null,-1];const[n,s]=e;return n instanceof h.LeafBlot?[n,s]:[null,-1]}line(t){return t===this.length()?this.line(t-1):this.descendant(f,t)}lines(){let t=arguments.length>0&&void 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s={};Object.entries(t).forEach((t=>{let[e,i]=t;null!=this.query(e,h.Scope.BLOCK&h.Scope.BLOT)?n=e:s[e]=i}));const i=this.create(n||this.statics.defaultChild.blotName,n?t[n]:void 0);this.insertBefore(i,e||void 0);const r=i.length();return Object.entries(s).forEach((t=>{let[e,n]=t;i.formatAt(0,r,e,n)})),i}}function g(t,e,n){n.reduce(((e,n)=>{const s=u.Op.length(n);let r=n.attributes||{};if(null!=n.insert)if("string"==typeof n.insert){const s=n.insert;t.insertAt(e,s);const[o]=t.descendant(h.LeafBlot,e),l=(0,i.Ji)(o);r=u.xb.diff(l,r)||{}}else if("object"==typeof n.insert){const s=Object.keys(n.insert)[0];if(null==s)return e;if(t.insertAt(e,s,n.insert[s]),null!=t.scroll.query(s,h.Scope.INLINE)){const[n]=t.descendant(h.LeafBlot,e),s=(0,i.Ji)(n);r=u.xb.diff(s,r)||{}}}return Object.keys(r).forEach((n=>{t.formatAt(e,s,n,r[n])})),e+s}),e)}var b=m,y=n(508),A=n(584),N=n(266);class v extends N.A{static DEFAULTS={delay:1e3,maxStack:100,userOnly:!1};lastRecorded=0;ignoreChange=!1;stack={undo:[],redo:[]};currentRange=null;constructor(t,e){super(t,e),this.quill.on(s.Ay.events.EDITOR_CHANGE,((t,e,n,i)=>{t===s.Ay.events.SELECTION_CHANGE?e&&i!==s.Ay.sources.SILENT&&(this.currentRange=e):t===s.Ay.events.TEXT_CHANGE&&(this.ignoreChange||(this.options.userOnly&&i!==s.Ay.sources.USER?this.transform(e):this.record(e,n)),this.currentRange=x(this.currentRange,e))})),this.quill.keyboard.addBinding({key:"z",shortKey:!0},this.undo.bind(this)),this.quill.keyboard.addBinding({key:["z","Z"],shortKey:!0,shiftKey:!0},this.redo.bind(this)),/Win/i.test(navigator.platform)&&this.quill.keyboard.addBinding({key:"y",shortKey:!0},this.redo.bind(this)),this.quill.root.addEventListener("beforeinput",(t=>{"historyUndo"===t.inputType?(this.undo(),t.preventDefault()):"historyRedo"===t.inputType&&(this.redo(),t.preventDefault())}))}change(t,e){if(0===this.stack[t].length)return;const n=this.stack[t].pop();if(!n)return;const i=this.quill.getContents(),r=n.delta.invert(i);this.stack[e].push({delta:r,range:x(n.range,r)}),this.lastRecorded=0,this.ignoreChange=!0,this.quill.updateContents(n.delta,s.Ay.sources.USER),this.ignoreChange=!1,this.restoreSelection(n)}clear(){this.stack={undo:[],redo:[]}}cutoff(){this.lastRecorded=0}record(t,e){if(0===t.ops.length)return;this.stack.redo=[];let n=t.invert(e),s=this.currentRange;const i=Date.now();if(this.lastRecorded+this.options.delay>i&&this.stack.undo.length>0){const t=this.stack.undo.pop();t&&(n=n.compose(t.delta),s=t.range)}else this.lastRecorded=i;0!==n.length()&&(this.stack.undo.push({delta:n,range:s}),this.stack.undo.length>this.options.maxStack&&this.stack.undo.shift())}redo(){this.change("redo","undo")}transform(t){E(this.stack.undo,t),E(this.stack.redo,t)}undo(){this.change("undo","redo")}restoreSelection(t){if(t.range)this.quill.setSelection(t.range,s.Ay.sources.USER);else{const e=function(t,e){const n=e.reduce(((t,e)=>t+(e.delete||0)),0);let s=e.length()-n;return function(t,e){const n=e.ops[e.ops.length-1];return null!=n&&(null!=n.insert?"string"==typeof n.insert&&n.insert.endsWith("\n"):null!=n.attributes&&Object.keys(n.attributes).some((e=>null!=t.query(e,h.Scope.BLOCK))))}(t,e)&&(s-=1),s}(this.quill.scroll,t.delta);this.quill.setSelection(e,s.Ay.sources.USER)}}}function E(t,e){let n=e;for(let e=t.length-1;e>=0;e-=1){const s=t[e];t[e]={delta:n.transform(s.delta,!0),range:s.range&&x(s.range,n)},n=s.delta.transform(n),0===t[e].delta.length()&&t.splice(e,1)}}function x(t,e){if(!t)return t;const n=e.transformPosition(t.index);return{index:n,length:e.transformPosition(t.index+t.length)-n}}var L=n(123);class S extends N.A{constructor(t,e){super(t,e),t.root.addEventListener("drop",(e=>{e.preventDefault();let n=null;if(document.caretRangeFromPoint)n=document.caretRangeFromPoint(e.clientX,e.clientY);else if(document.caretPositionFromPoint){const t=document.caretPositionFromPoint(e.clientX,e.clientY);n=document.createRange(),n.setStart(t.offsetNode,t.offset),n.setEnd(t.offsetNode,t.offset)}const s=n&&t.selection.normalizeNative(n);if(s){const n=t.selection.normalizedToRange(s);e.dataTransfer?.files&&this.upload(n,e.dataTransfer.files)}}))}upload(t,e){const n=[];Array.from(e).forEach((t=>{t&&this.options.mimetypes?.includes(t.type)&&n.push(t)})),n.length>0&&this.options.handler.call(this,t,n)}}S.DEFAULTS={mimetypes:["image/png","image/jpeg"],handler(t,e){if(!this.quill.scroll.query("image"))return;const n=e.map((t=>new Promise((e=>{const n=new FileReader;n.onload=()=>{e(n.result)},n.readAsDataURL(t)}))));Promise.all(n).then((e=>{const n=e.reduce(((t,e)=>t.insert({image:e})),(new u.Ay).retain(t.index).delete(t.length));this.quill.updateContents(n,d.A.sources.USER),this.quill.setSelection(t.index+e.length,d.A.sources.SILENT)}))}};var T=S;const k=["insertText","insertReplacementText"];class O extends 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t=this.clipboard.convert({html:`${n}<p><br></p>`,text:"\n"});this.setContents(t)}this.history.clear(),this.options.placeholder&&this.root.setAttribute("data-placeholder",this.options.placeholder),this.options.readOnly&&this.disable(),this.allowReadOnlyEdits=!1}addContainer(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if("string"==typeof t){const e=t;(t=document.createElement("div")).classList.add(e)}return this.container.insertBefore(t,e),t}blur(){this.selection.setRange(null)}deleteText(t,e,n){return[t,e,,n]=_(t,e,n),U.call(this,(()=>this.editor.deleteText(t,e)),n,t,-1*e)}disable(){this.enable(!1)}editReadOnly(t){this.allowReadOnlyEdits=!0;const e=t();return this.allowReadOnlyEdits=!1,e}enable(){let t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.scroll.enable(t),this.container.classList.toggle("ql-disabled",!t)}focus(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.selection.focus(),t.preventScroll||this.scrollSelectionIntoView()}format(t,e){let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:N.A.sources.API;return U.call(this,(()=>{if(!this.hasFocus()){this.root.focus({preventScroll:!0});const t=this.selection.rangeToNative(this.selection.savedRange);this.selection.setNativeRange(...t)}const[n]=this.selection.getRange();let r=new i.Ay;if(null==n)return r;if(this.scroll.query(t,s.Scope.BLOCK))r=this.editor.formatLine(n.index,n.length,{[t]:e});else{if(0===n.length)return this.selection.format(t,e),r;r=this.editor.formatText(n.index,n.length,{[t]:e})}return this.setSelection(n,N.A.sources.SILENT),r}),n)}formatLine(t,e,n,s,i){let r;return[t,e,r,i]=_(t,e,n,s,i),U.call(this,(()=>this.editor.formatLine(t,e,r)),i,t,0)}formatText(t,e,n,s,i){let r;return[t,e,r,i]=_(t,e,n,s,i),U.call(this,(()=>this.editor.formatText(t,e,r)),i,t,0)}getBounds(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=null;if(n="number"==typeof t?this.selection.getBounds(t,e):this.selection.getBounds(t.index,t.length),!n)return null;const s=this.container.getBoundingClientRect();return{bottom:n.bottom-s.top,height:n.height,left:n.left-s.left,right:n.right-s.left,top:n.top-s.top,width:n.width}}getContents(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.getLength()-t;return[t,e]=_(t,e),this.editor.getContents(t,e)}getFormat(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.getSelection(!0),e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return"number"==typeof t?this.editor.getFormat(t,e):this.editor.getFormat(t.index,t.length)}getIndex(t){return t.offset(this.scroll)}getLength(){return this.scroll.length()}getLeaf(t){return this.scroll.leaf(t)}getLine(t){return this.scroll.line(t)}getLines(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Number.MAX_VALUE;return"number"!=typeof t?this.scroll.lines(t.index,t.length):this.scroll.lines(t,e)}getModule(t){return this.theme.modules[t]}getSelection(){return arguments.length>0&&void 0!==arguments[0]&&arguments[0]&&this.focus(),this.update(),this.selection.getRange()[0]}getSemanticHTML(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1?arguments[1]:void 0;return"number"==typeof t&&(e=e??this.getLength()-t),[t,e]=_(t,e),this.editor.getHTML(t,e)}getText(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=arguments.length>1?arguments[1]:void 0;return"number"==typeof t&&(e=e??this.getLength()-t),[t,e]=_(t,e),this.editor.getText(t,e)}hasFocus(){return this.selection.hasFocus()}insertEmbed(t,e,n){let s=arguments.length>3&&void 0!==arguments[3]?arguments[3]:B.sources.API;return U.call(this,(()=>this.editor.insertEmbed(t,e,n)),s,t)}insertText(t,e,n,s,i){let r;return[t,,r,i]=_(t,0,n,s,i),U.call(this,(()=>this.editor.insertText(t,e,r)),i,t,e.length)}isEnabled(){return this.scroll.isEnabled()}off(){return this.emitter.off(...arguments)}on(){return this.emitter.on(...arguments)}once(){return this.emitter.once(...arguments)}removeFormat(t,e,n){return[t,e,,n]=_(t,e,n),U.call(this,(()=>this.editor.removeFormat(t,e)),n,t)}scrollRectIntoView(t){((t,e)=>{const n=t.ownerDocument;let s=e,i=t;for(;i;){const t=i===n.body,e=t?{top:0,right:window.visualViewport?.width??n.documentElement.clientWidth,bottom:window.visualViewport?.height??n.documentElement.clientHeight,left:0}:k(i),o=getComputedStyle(i),l=w(s.left,s.right,e.left,e.right,O(o.scrollPaddingLeft),O(o.scrollPaddingRight)),a=w(s.top,s.bottom,e.top,e.bottom,O(o.scrollPaddingTop),O(o.scrollPaddingBottom));if(l||a)if(t)n.defaultView?.scrollBy(l,a);else{const{scrollLeft:t,scrollTop:e}=i;a&&(i.scrollTop+=a),l&&(i.scrollLeft+=l);const n=i.scrollLeft-t,r=i.scrollTop-e;s={left:s.left-n,top:s.top-r,right:s.right-n,bottom:s.bottom-r}}i=t||"fixed"===o.position?null:(r=i).parentElement||r.getRootNode().host||null}var r})(this.root,t)}scrollIntoView(){console.warn("Quill#scrollIntoView() has been deprecated and will be removed in the near future. Please use Quill#scrollSelectionIntoView() instead."),this.scrollSelectionIntoView()}scrollSelectionIntoView(){const t=this.selection.lastRange,e=t&&this.selection.getBounds(t.index,t.length);e&&this.scrollRectIntoView(e)}setContents(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:N.A.sources.API;return U.call(this,(()=>{t=new i.Ay(t);const e=this.getLength(),n=this.editor.deleteText(0,e),s=this.editor.insertContents(0,t),r=this.editor.deleteText(this.getLength()-1,1);return n.compose(s).compose(r)}),e)}setSelection(t,e,n){null==t?this.selection.setRange(null,e||B.sources.API):([t,e,,n]=_(t,e,n),this.selection.setRange(new c.Q(Math.max(0,t),e),n),n!==N.A.sources.SILENT&&this.scrollSelectionIntoView())}setText(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:N.A.sources.API;const n=(new i.Ay).insert(t);return this.setContents(n,e)}update(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:N.A.sources.USER;const e=this.scroll.update(t);return this.selection.update(t),e}updateContents(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:N.A.sources.API;return U.call(this,(()=>(t=new i.Ay(t),this.editor.applyDelta(t))),e,!0)}}function I(t){return"string"==typeof t?document.querySelector(t):t}function D(t){return Object.entries(t??{}).reduce(((t,e)=>{let[n,s]=e;return{...t,[n]:!0===s?{}:s}}),{})}function M(t){return Object.fromEntries(Object.entries(t).filter((t=>void 0!==t[1])))}function U(t,e,n,s){if(!this.isEnabled()&&e===N.A.sources.USER&&!this.allowReadOnlyEdits)return new i.Ay;let r=null==n?null:this.getSelection();const o=this.editor.delta,l=t();if(null!=r&&(!0===n&&(n=r.index),null==s?r=j(r,l,e):0!==s&&(r=j(r,n,s,e)),this.setSelection(r,N.A.sources.SILENT)),l.length()>0){const t=[N.A.events.TEXT_CHANGE,l,o,e];this.emitter.emit(N.A.events.EDITOR_CHANGE,...t),e!==N.A.sources.SILENT&&this.emitter.emit(...t)}return l}function _(t,e,n,s,i){let r={};return"number"==typeof t.index&&"number"==typeof 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t.contains(e)}e.A=class{constructor(t,e){this.emitter=e,this.scroll=t,this.composing=!1,this.mouseDown=!1,this.root=this.scroll.domNode,this.rootDocument=this.root.getRootNode(),this.cursor=this.scroll.create("cursor",this),this.savedRange=new h(0,0),this.lastRange=this.savedRange,this.lastNative=null,this.handleComposition(),this.handleDragging(),this.emitter.listenDOM("selectionchange",this.rootDocument,(()=>{this.mouseDown||this.composing||setTimeout(this.update.bind(this,i.A.sources.USER),1)})),this.emitter.on(i.A.events.SCROLL_BEFORE_UPDATE,(()=>{if(!this.hasFocus())return;const t=this.getNativeRange();null!=t&&t.start.node!==this.cursor.textNode&&this.emitter.once(i.A.events.SCROLL_UPDATE,((e,n)=>{try{this.root.contains(t.start.node)&&this.root.contains(t.end.node)&&this.setNativeRange(t.start.node,t.start.offset,t.end.node,t.end.offset);const s=n.some((t=>"characterData"===t.type||"childList"===t.type||"attributes"===t.type&&t.target===this.root));this.update(s?i.A.sources.SILENT:e)}catch(t){}}))})),this.emitter.on(i.A.events.SCROLL_OPTIMIZE,((t,e)=>{if(e.range){const{startNode:t,startOffset:n,endNode:s,endOffset:r}=e.range;this.setNativeRange(t,n,s,r),this.update(i.A.sources.SILENT)}})),this.update(i.A.sources.SILENT)}handleComposition(){this.emitter.on(i.A.events.COMPOSITION_BEFORE_START,(()=>{this.composing=!0})),this.emitter.on(i.A.events.COMPOSITION_END,(()=>{if(this.composing=!1,this.cursor.parent){const t=this.cursor.restore();if(!t)return;setTimeout((()=>{this.setNativeRange(t.startNode,t.startOffset,t.endNode,t.endOffset)}),1)}}))}handleDragging(){this.emitter.listenDOM("mousedown",document.body,(()=>{this.mouseDown=!0})),this.emitter.listenDOM("mouseup",document.body,(()=>{this.mouseDown=!1,this.update(i.A.sources.USER)}))}focus(){this.hasFocus()||(this.root.focus({preventScroll:!0}),this.setRange(this.savedRange))}format(t,e){this.scroll.update();const n=this.getNativeRange();if(null!=n&&n.native.collapsed&&!this.scroll.query(t,s.Scope.BLOCK)){if(n.start.node!==this.cursor.textNode){const t=this.scroll.find(n.start.node,!1);if(null==t)return;if(t instanceof s.LeafBlot){const e=t.split(n.start.offset);t.parent.insertBefore(this.cursor,e)}else t.insertBefore(this.cursor,n.start.node);this.cursor.attach()}this.cursor.format(t,e),this.scroll.optimize(),this.setNativeRange(this.cursor.textNode,this.cursor.textNode.data.length),this.update()}}getBounds(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;const n=this.scroll.length();let s;t=Math.min(t,n-1),e=Math.min(t+e,n-1)-t;let[i,r]=this.scroll.leaf(t);if(null==i)return null;if(e>0&&r===i.length()){const[e]=this.scroll.leaf(t+1);if(e){const[n]=this.scroll.line(t),[s]=this.scroll.line(t+1);n===s&&(i=e,r=0)}}[s,r]=i.position(r,!0);const o=document.createRange();if(e>0)return o.setStart(s,r),[i,r]=this.scroll.leaf(t+e),null==i?null:([s,r]=i.position(r,!0),o.setEnd(s,r),o.getBoundingClientRect());let l,a="left";if(s instanceof Text){if(!s.data.length)return null;r<s.data.length?(o.setStart(s,r),o.setEnd(s,r+1)):(o.setStart(s,r-1),o.setEnd(s,r),a="right"),l=o.getBoundingClientRect()}else{if(!(i.domNode instanceof Element))return null;l=i.domNode.getBoundingClientRect(),r>0&&(a="right")}return{bottom:l.top+l.height,height:l.height,left:l[a],right:l[a],top:l.top,width:0}}getNativeRange(){const t=(t=>{const e=c(t);return e?.anchorNode?!e||!("getComposedRanges"in e)||"function"!=typeof e.getComposedRanges||t instanceof ShadowRoot&&"getSelection"in t?e.getRangeAt(0):e.getComposedRanges(t)[0]:null})(this.rootDocument);if(null==t)return null;const e=this.normalizeNative(t);return a.info("getNativeRange",e),e}getRange(){const t=this.scroll.domNode;if("isConnected"in t&&!t.isConnected)return[null,null];const e=this.getNativeRange();return null==e?[null,null]:[this.normalizedToRange(e),e]}hasFocus(){const t=this.rootDocument;return t.activeElement===this.root||null!=t.activeElement&&u(this.root,t.activeElement)}normalizedToRange(t){const e=[[t.start.node,t.start.offset]];t.native.collapsed||e.push([t.end.node,t.end.offset]);const n=e.map((t=>{const[e,n]=t,i=this.scroll.find(e,!0),r=i.offset(this.scroll);return 0===n?r:i instanceof s.LeafBlot?r+i.index(e,n):r+i.length()})),i=Math.min(Math.max(...n),this.scroll.length()-1),r=Math.min(i,...n);return new h(r,i-r)}normalizeNative(t){if(!u(this.root,t.startContainer)||!t.collapsed&&!u(this.root,t.endContainer))return null;const e={start:{node:t.startContainer,offset:t.startOffset},end:{node:t.endContainer,offset:t.endOffset},native:t};return[e.start,e.end].forEach((t=>{let{node:e,offset:n