| 12 |
- (function(global,factory){typeof exports=="object"&&typeof module<"u"?factory(exports):typeof define=="function"&&define.amd?define(["exports"],factory):(global=typeof globalThis<"u"?globalThis:global||self,factory(global.Parchment={}))})(this,function(exports2){"use strict";var Scope=(Scope2=>(Scope2[Scope2.TYPE=3]="TYPE",Scope2[Scope2.LEVEL=12]="LEVEL",Scope2[Scope2.ATTRIBUTE=13]="ATTRIBUTE",Scope2[Scope2.BLOT=14]="BLOT",Scope2[Scope2.INLINE=7]="INLINE",Scope2[Scope2.BLOCK=11]="BLOCK",Scope2[Scope2.BLOCK_BLOT=10]="BLOCK_BLOT",Scope2[Scope2.INLINE_BLOT=6]="INLINE_BLOT",Scope2[Scope2.BLOCK_ATTRIBUTE=9]="BLOCK_ATTRIBUTE",Scope2[Scope2.INLINE_ATTRIBUTE=5]="INLINE_ATTRIBUTE",Scope2[Scope2.ANY=15]="ANY",Scope2))(Scope||{});class Attributor{constructor(attrName,keyName,options={}){this.attrName=attrName,this.keyName=keyName;const attributeBit=Scope.TYPE&Scope.ATTRIBUTE;this.scope=options.scope!=null?options.scope&Scope.LEVEL|attributeBit:Scope.ATTRIBUTE,options.whitelist!=null&&(this.whitelist=options.whitelist)}static keys(node){return Array.from(node.attributes).map(item=>item.name)}add(node,value){return this.canAdd(node,value)?(node.setAttribute(this.keyName,value),!0):!1}canAdd(_node,value){return this.whitelist==null?!0:typeof value=="string"?this.whitelist.indexOf(value.replace(/["']/g,""))>-1:this.whitelist.indexOf(value)>-1}remove(node){node.removeAttribute(this.keyName)}value(node){const value=node.getAttribute(this.keyName);return this.canAdd(node,value)&&value?value:""}}class ParchmentError extends Error{constructor(message){message="[Parchment] "+message,super(message),this.message=message,this.name=this.constructor.name}}const _Registry=class _Registry{constructor(){this.attributes={},this.classes={},this.tags={},this.types={}}static find(node,bubble=!1){if(node==null)return null;if(this.blots.has(node))return this.blots.get(node)||null;if(bubble){let parentNode=null;try{parentNode=node.parentNode}catch{return null}return this.find(parentNode,bubble)}return null}create(scroll,input,value){const match2=this.query(input);if(match2==null)throw new ParchmentError(`Unable to create ${input} blot`);const blotClass=match2,node=input instanceof Node||input.nodeType===Node.TEXT_NODE?input:blotClass.create(value),blot=new blotClass(scroll,node,value);return _Registry.blots.set(blot.domNode,blot),blot}find(node,bubble=!1){return _Registry.find(node,bubble)}query(query,scope=Scope.ANY){let match2;return typeof query=="string"?match2=this.types[query]||this.attributes[query]:query instanceof Text||query.nodeType===Node.TEXT_NODE?match2=this.types.text:typeof query=="number"?query&Scope.LEVEL&Scope.BLOCK?match2=this.types.block:query&Scope.LEVEL&Scope.INLINE&&(match2=this.types.inline):query instanceof Element&&((query.getAttribute("class")||"").split(/\s+/).some(name=>(match2=this.classes[name],!!match2)),match2=match2||this.tags[query.tagName]),match2==null?null:"scope"in match2&&scope&Scope.LEVEL&match2.scope&&scope&Scope.TYPE&match2.scope?match2:null}register(...definitions){return definitions.map(definition=>{const isBlot="blotName"in definition,isAttr="attrName"in definition;if(!isBlot&&!isAttr)throw new ParchmentError("Invalid definition");if(isBlot&&definition.blotName==="abstract")throw new ParchmentError("Cannot register abstract class");const key=isBlot?definition.blotName:isAttr?definition.attrName:void 0;return this.types[key]=definition,isAttr?typeof definition.keyName=="string"&&(this.attributes[definition.keyName]=definition):isBlot&&(definition.className&&(this.classes[definition.className]=definition),definition.tagName&&(Array.isArray(definition.tagName)?definition.tagName=definition.tagName.map(tagName=>tagName.toUpperCase()):definition.tagName=definition.tagName.toUpperCase(),(Array.isArray(definition.tagName)?definition.tagName:[definition.tagName]).forEach(tag=>{(this.tags[tag]==null||definition.className==null)&&(this.tags[tag]=definition)}))),definition})}};_Registry.blots=new WeakMap;let Registry=_Registry;function match(node,prefix){return(node.getAttribute("class")||"").split(/\s+/).filter(name=>name.indexOf(`${prefix}-`)===0)}class ClassAttributor extends Attributor{static keys(node){return(node.getAttribute("class")||"").split(/\s+/).map(name=>name.split("-").slice(0,-1).join("-"))}add(node,value){return this.canAdd(node,value)?(this.remove(node),node.classList.add(`${this.keyName}-${value}`),!0):!1}remove(node){match(node,this.keyName).forEach(name=>{node.classList.remove(name)}),node.classList.length===0&&node.removeAttribute("class")}value(node){const value=(match(node,this.keyName)[0]||"").slice(this.keyName.length+1);return this.canAdd(node,value)?value:""}}const ClassAttributor$1=ClassAttributor;function camelize(name){const parts=name.split("-"),rest=parts.slice(1).map(part=>part[0].toUpperCase()+part.slice(1)).join("");return parts[0]+rest}class StyleAttributor extends Attributor{static keys(node){return(node.getAttribute("style")||"").split(";").map(value=>value.split(":")[0].trim())}add(node,value){return this.canAdd(node,value)?(node.style[camelize(this.keyName)]=value,!0):!1}remove(node){node.style[camelize(this.keyName)]="",node.getAttribute("style")||node.removeAttribute("style")}value(node){const value=node.style[camelize(this.keyName)];return this.canAdd(node,value)?value:""}}const StyleAttributor$1=StyleAttributor;class AttributorStore{constructor(domNode){this.attributes={},this.domNode=domNode,this.build()}attribute(attribute,value){value?attribute.add(this.domNode,value)&&(attribute.value(this.domNode)!=null?this.attributes[attribute.attrName]=attribute:delete this.attributes[attribute.attrName]):(attribute.remove(this.domNode),delete this.attributes[attribute.attrName])}build(){this.attributes={};const blot=Registry.find(this.domNode);if(blot==null)return;const attributes=Attributor.keys(this.domNode),classes=ClassAttributor$1.keys(this.domNode),styles=StyleAttributor$1.keys(this.domNode);attributes.concat(classes).concat(styles).forEach(name=>{const attr=blot.scroll.query(name,Scope.ATTRIBUTE);attr instanceof Attributor&&(this.attributes[attr.attrName]=attr)})}copy(target){Object.keys(this.attributes).forEach(key=>{const value=this.attributes[key].value(this.domNode);target.format(key,value)})}move(target){this.copy(target),Object.keys(this.attributes).forEach(key=>{this.attributes[key].remove(this.domNode)}),this.attributes={}}values(){return Object.keys(this.attributes).reduce((attributes,name)=>(attributes[name]=this.attributes[name].value(this.domNode),attributes),{})}}const AttributorStore$1=AttributorStore,_ShadowBlot=class _ShadowBlot{constructor(scroll,domNode){this.scroll=scroll,this.domNode=domNode,Registry.blots.set(domNode,this),this.prev=null,this.next=null}static create(rawValue){if(this.tagName==null)throw new ParchmentError("Blot definition missing tagName");let node,value;return Array.isArray(this.tagName)?(typeof rawValue=="string"?(value=rawValue.toUpperCase(),parseInt(value,10).toString()===value&&(value=parseInt(value,10))):typeof rawValue=="number"&&(value=rawValue),typeof value=="number"?node=document.createElement(this.tagName[value-1]):value&&this.tagName.indexOf(value)>-1?node=document.createElement(value):node=document.createElement(this.tagName[0])):node=document.createElement(this.tagName),this.className&&node.classList.add(this.className),node}get statics(){return this.constructor}attach(){}clone(){const domNode=this.domNode.cloneNode(!1);return this.scroll.create(domNode)}detach(){this.parent!=null&&this.parent.removeChild(this),Registry.blots.delete(this.domNode)}deleteAt(index,length){this.isolate(index,length).remove()}formatAt(index,length,name,value){const blot=this.isolate(index,length);if(this.scroll.query(name,Scope.BLOT)!=null&&value)blot.wrap(name,value);else if(this.scroll.query(name,Scope.ATTRIBUTE)!=null){const parent=this.scroll.create(this.statics.scope);blot.wrap(parent),parent.format(name,value)}}insertAt(index,value,def){const blot=def==null?this.scroll.create("text",value):this.scroll.create(value,def),ref=this.split(index);this.parent.insertBefore(blot,ref||void 0)}isolate(index,length){const target=this.split(index);if(target==null)throw new Error("Attempt to isolate at end");return target.split(length),target}length(){return 1}offset(root=this.parent){return this.parent==null||this===root?0:this.parent.children.offset(this)+this.parent.offset(root)}optimize(_context){this.statics.requiredContainer&&!(this.parent instanceof this.statics.requiredContainer)&&this.wrap(this.statics.requiredContainer.blotName)}remove(){this.domNode.parentNode!=null&&this.domNode.parentNode.removeChild(this.domNode),this.detach()}replaceWith(name,value){const replacement=typeof name=="string"?this.scroll.create(name,value):name;return this.parent!=null&&(this.parent.insertBefore(replacement,this.next||void 0),this.remove()),replacement}split(index,_force){return index===0?this:this.next}update(_mutations,_context){}wrap(name,value){const wrapper=typeof name=="string"?this.scroll.create(name,value):name;if(this.parent!=null&&this.parent.insertBefore(wrapper,this.next||void 0),typeof wrapper.appendChild!="function")throw new ParchmentError(`Cannot wrap ${name}`);return wrapper.appendChild(this),wrapper}};_ShadowBlot.blotName="abstract";let ShadowBlot=_ShadowBlot;const _LeafBlot=class _LeafBlot extends ShadowBlot{static value(_domNode){return!0}index(node,offset){return this.domNode===node||this.domNode.compareDocumentPosition(node)&Node.DOCUMENT_POSITION_CONTAINED_BY?Math.min(offset,1):-1}position(index,_inclusive){let offset=Array.from(this.parent.domNode.childNodes).indexOf(this.domNode);return index>0&&(offset+=1),[this.parent.domNode,offset]}value(){return{[this.statics.blotName]:this.statics.value(this.domNode)||!0}}};_LeafBlot.scope=Scope.INLINE_BLOT;let LeafBlot=_LeafBlot;const LeafBlot$1=LeafBlot;class LinkedList{constructor(){this.head=null,this.tail=null,this.length=0}append(...nodes){if(this.insertBefore(nodes[0],null),nodes.length>1){const rest=nodes.slice(1);this.append(...rest)}}at(index){const next=this.iterator();let cur=next();for(;cur&&index>0;)index-=1,cur=next();return cur}contains(node){const next=this.iterator();let cur=next();for(;cur;){if(cur===node)return!0;cur=next()}return!1}indexOf(node){const next=this.iterator();let cur=next(),index=0;for(;cur;){if(cur===node)return index;index+=1,cur=next()}return-1}insertBefore(node,refNode){node!=null&&(this.remove(node),node.next=refNode,refNode!=null?(node.prev=refNode.prev,refNode.prev!=null&&(refNode.prev.next=node),refNode.prev=node,refNode===this.head&&(this.head=node)):this.tail!=null?(this.tail.next=node,node.prev=this.tail,this.tail=node):(node.prev=null,this.head=this.tail=node),this.length+=1)}offset(target){let index=0,cur=this.head;for(;cur!=null;){if(cur===target)return index;index+=cur.length(),cur=cur.next}return-1}remove(node){this.contains(node)&&(node.prev!=null&&(node.prev.next=node.next),node.next!=null&&(node.next.prev=node.prev),node===this.head&&(this.head=node.next),node===this.tail&&(this.tail=node.prev),this.length-=1)}iterator(curNode=this.head){return()=>{const ret=curNode;return curNode!=null&&(curNode=curNode.next),ret}}find(index,inclusive=!1){const next=this.iterator();let cur=next();for(;cur;){const length=cur.length();if(index<length||inclusive&&index===length&&(cur.next==null||cur.next.length()!==0))return[cur,index];index-=length,cur=next()}return[null,0]}forEach(callback){const next=this.iterator();let cur=next();for(;cur;)callback(cur),cur=next()}forEachAt(index,length,callback){if(length<=0)return;const[startNode,offset]=this.find(index);let curIndex=index-offset;const next=this.iterator(startNode);let cur=next();for(;cur&&curIndex<index+length;){const curLength=cur.length();index>curIndex?callback(cur,index-curIndex,Math.min(length,curIndex+curLength-index)):callback(cur,0,Math.min(curLength,index+length-curIndex)),curIndex+=curLength,cur=next()}}map(callback){return this.reduce((memo,cur)=>(memo.push(callback(cur)),memo),[])}reduce(callback,memo){const next=this.iterator();let cur=next();for(;cur;)memo=callback(memo,cur),cur=next();return memo}}function makeAttachedBlot(node,scroll){const found=scroll.find(node);if(found)return found;try{return scroll.create(node)}catch{const blot=scroll.create(Scope.INLINE);return Array.from(node.childNodes).forEach(child=>{blot.domNode.appendChild(child)}),node.parentNode&&node.parentNode.replaceChild(blot.domNode,node),blot.attach(),blot}}const _ParentBlot=class _ParentBlot extends ShadowBlot{constructor(scroll,domNode){super(scroll,domNode),this.uiNode=null,this.build()}appendChild(other){this.insertBefore(other)}attach(){super.attach(),this.children.forEach(child=>{child.attach()})}attachUI(node){this.uiNode!=null&&this.uiNode.remove(),this.uiNode=node,_ParentBlot.uiClass&&this.uiNode.classList.add(_ParentBlot.uiClass),this.uiNode.setAttribute("contenteditable","false"),this.domNode.insertBefore(this.uiNode,this.domNode.firstChild)}build(){this.children=new LinkedList,Array.from(this.domNode.childNodes).filter(node=>node!==this.uiNode).reverse().forEach(node=>{try{const child=makeAttachedBlot(node,this.scroll);this.insertBefore(child,this.children.head||void 0)}catch(err){if(err instanceof ParchmentError)return;throw err}})}deleteAt(index,length){if(index===0&&length===this.length())return this.remove();this.children.forEachAt(index,length,(child,offset,childLength)=>{child.deleteAt(offset,childLength)})}descendant(criteria,index=0){const[child,offset]=this.children.find(index);return criteria.blotName==null&&criteria(child)||criteria.blotName!=null&&child instanceof criteria?[child,offset]:child instanceof _ParentBlot?child.descendant(criteria,offset):[null,-1]}descendants(criteria,index=0,length=Number.MAX_VALUE){let descendants=[],lengthLeft=length;return this.children.forEachAt(index,length,(child,childIndex,childLength)=>{(criteria.blotName==null&&criteria(child)||criteria.blotName!=null&&child instanceof criteria)&&descendants.push(child),child instanceof _ParentBlot&&(descendants=descendants.concat(child.descendants(criteria,childIndex,lengthLeft))),lengthLeft-=childLength}),descendants}detach(){this.children.forEach(child=>{child.detach()}),super.detach()}enforceAllowedChildren(){let done=!1;this.children.forEach(child=>{done||this.statics.allowedChildren.some(def=>child instanceof def)||(child.statics.scope===Scope.BLOCK_BLOT?(child.next!=null&&this.splitAfter(child),child.prev!=null&&this.splitAfter(child.prev),child.parent.unwrap(),done=!0):child instanceof _ParentBlot?child.unwrap():child.remove())})}formatAt(index,length,name,value){this.children.forEachAt(index,length,(child,offset,childLength)=>{child.formatAt(offset,childLength,name,value)})}insertAt(index,value,def){const[child,offset]=this.children.find(index);if(child)child.insertAt(offset,value,def);else{const blot=def==null?this.scroll.create("text",value):this.scroll.create(value,def);this.appendChild(blot)}}insertBefore(childBlot,refBlot){childBlot.parent!=null&&childBlot.parent.children.remove(childBlot);let refDomNode=null;this.children.insertBefore(childBlot,refBlot||null),childBlot.parent=this,refBlot!=null&&(refDomNode=refBlot.domNode),(this.domNode.parentNode!==childBlot.domNode||this.domNode.nextSibling!==refDomNode)&&this.domNode.insertBefore(childBlot.domNode,refDomNode),childBlot.attach()}length(){return this.children.reduce((memo,child)=>memo+child.length(),0)}moveChildren(targetParent,refNode){this.children.forEach(child=>{targetParent.insertBefore(child,refNode)})}optimize(context){if(super.optimize(context),this.enforceAllowedChildren(),this.uiNode!=null&&this.uiNode!==this.domNode.firstChild&&this.domNode.insertBefore(this.uiNode,this.domNode.firstChild),this.children.length===0)if(this.statics.defaultChild!=null){const child=this.scroll.create(this.statics.defaultChild.blotName);this.appendChild(child)}else this.remove()}path(index,inclusive=!1){const[child,offset]=this.children.find(index,inclusive),position=[[this,index]];return child instanceof _ParentBlot?position.concat(child.path(offset,inclusive)):(child!=null&&position.push([child,offset]),position)}removeChild(child){this.children.remove(child)}replaceWith(name,value){const replacement=typeof name=="string"?this.scroll.create(name,value):name;return replacement instanceof _ParentBlot&&this.moveChildren(replacement),super.replaceWith(replacement)}split(index,force=!1){if(!force){if(index===0)return this;if(index===this.length())return this.next}const after=this.clone();return this.parent&&this.parent.insertBefore(after,this.next||void 0),this.children.forEachAt(index,this.length(),(child,offset,_length)=>{const split=child.split(offset,force);split!=null&&after.appendChild(split)}),after}splitAfter(child){const after=this.clone();for(;child.next!=null;)after.appendChild(child.next);return this.parent&&this.parent.insertBefore(after,this.next||void 0),after}unwrap(){this.parent&&this.moveChildren(this.parent,this.next||void 0),this.remove()}update(mutations,_context){const addedNodes=[],removedNodes=[];mutations.forEach(mutation=>{mutation.target===this.domNode&&mutation.type==="childList"&&(addedNodes.push(...mutation.addedNodes),removedNodes.push(...mutation.removedNodes))}),removedNodes.forEach(node=>{if(node.parentNode!=null&&node.tagName!=="IFRAME"&&document.body.compareDocumentPosition(node)&Node.DOCUMENT_POSITION_CONTAINED_BY)return;const blot=this.scroll.find(node);blot!=null&&(blot.domNode.parentNode==null||blot.domNode.parentNode===this.domNode)&&blot.detach()}),addedNodes.filter(node=>node.parentNode===this.domNode&&node!==this.uiNode).sort((a,b)=>a===b?0:a.compareDocumentPosition(b)&Node.DOCUMENT_POSITION_FOLLOWING?1:-1).forEach(node=>{let refBlot=null;node.nextSibling!=null&&(refBlot=this.scroll.find(node.nextSibling));const blot=makeAttachedBlot(node,this.scroll);(blot.next!==refBlot||blot.next==null)&&(blot.parent!=null&&blot.parent.removeChild(this),this.insertBefore(blot,refBlot||void 0))}),this.enforceAllowedChildren()}};_ParentBlot.uiClass="";let ParentBlot=_ParentBlot;const ParentBlot$1=ParentBlot;function isEqual(obj1,obj2){if(Object.keys(obj1).length!==Object.keys(obj2).length)return!1;for(const prop in obj1)if(obj1[prop]!==obj2[prop])return!1;return!0}const _InlineBlot=class _InlineBlot extends ParentBlot$1{static create(value){return super.create(value)}static formats(domNode,scroll){const match2=scroll.query(_InlineBlot.blotName);if(!(match2!=null&&domNode.tagName===match2.tagName)){if(typeof this.tagName=="string")return!0;if(Array.isArray(this.tagName))return domNode.tagName.toLowerCase()}}constructor(scroll,domNode){super(scroll,domNode),this.attributes=new AttributorStore$1(this.domNode)}format(name,value){if(name===this.statics.blotName&&!value)this.children.forEach(child=>{child instanceof _InlineBlot||(child=child.wrap(_InlineBlot.blotName,!0)),this.attributes.copy(child)}),this.unwrap();else{const format=this.scroll.query(name,Scope.INLINE);if(format==null)return;format instanceof Attributor?this.attributes.attribute(format,value):value&&(name!==this.statics.blotName||this.formats()[name]!==value)&&this.replaceWith(name,value)}}formats(){const formats=this.attributes.values(),format=this.statics.formats(this.domNode,this.scroll);return format!=null&&(formats[this.statics.blotName]=format),formats}formatAt(index,length,name,value){this.formats()[name]!=null||this.scroll.query(name,Scope.ATTRIBUTE)?this.isolate(index,length).format(name,value):super.formatAt(index,length,name,value)}optimize(context){super.optimize(context);const formats=this.formats();if(Object.keys(formats).length===0)return this.unwrap();const next=this.next;next instanceof _InlineBlot&&next.prev===this&&isEqual(formats,next.formats())&&(next.moveChildren(this),next.remove())}replaceWith(name,value){const replacement=super.replaceWith(name,value);return this.attributes.copy(replacement),replacement}update(mutations,context){super.update(mutations,context),mutations.some(mutation=>mutation.target===this.domNode&&mutation.type==="attributes")&&this.attributes.build()}wrap(name,value){const wrapper=super.wrap(name,value);return wrapper instanceof _InlineBlot&&this.attributes.move(wrapper),wrapper}};_InlineBlot.allowedChildren=[_InlineBlot,LeafBlot$1],_InlineBlot.blotName="inline",_InlineBlot.scope=Scope.INLINE_BLOT,_InlineBlot.tagName="SPAN";let InlineBlot=_InlineBlot;const InlineBlot$1=InlineBlot,_BlockBlot=class _BlockBlot extends ParentBlot$1{static create(value){return super.create(value)}static formats(domNode,scroll){const match2=scroll.query(_BlockBlot.blotName);if(!(match2!=null&&domNode.tagName===match2.tagName)){if(typeof this.tagName=="string")return!0;if(Array.isArray(this.tagName))return domNode.tagName.toLowerCase()}}constructor(scroll,domNode){super(scroll,domNode),this.attributes=new AttributorStore$1(this.domNode)}format(name,value){const format=this.scroll.query(name,Scope.BLOCK);format!=null&&(format instanceof Attributor?this.attributes.attribute(format,value):name===this.statics.blotName&&!value?this.replaceWith(_BlockBlot.blotName):value&&(name!==this.statics.blotName||this.formats()[name]!==value)&&this.replaceWith(name,value))}formats(){const formats=this.attributes.values(),format=this.statics.formats(this.domNode,this.scroll);return format!=null&&(formats[this.statics.blotName]=format),formats}formatAt(index,length,name,value){this.scroll.query(name,Scope.BLOCK)!=null?this.format(name,value):super.formatAt(index,length,name,value)}insertAt(index,value,def){if(def==null||this.scroll.query(value,Scope.INLINE)!=null)super.insertAt(index,value,def);else{const after=this.split(index);if(after!=null){const blot=this.scroll.create(value,def);after.parent.insertBefore(blot,after)}else throw new Error("Attempt to insertAt after block boundaries")}}replaceWith(name,value){const replacement=super.replaceWith(name,value);return this.attributes.copy(replacement),replacement}update(mutations,context){super.update(mutations,context),mutations.some(mutation=>mutation.target===this.domNode&&mutation.type==="attributes")&&this.attributes.build()}};_BlockBlot.blotName="block",_BlockBlot.scope=Scope.BLOCK_BLOT,_BlockBlot.tagName="P",_BlockBlot.allowedChildren=[InlineBlot$1,_BlockBlot,LeafBlot$1];let BlockBlot=_BlockBlot;const BlockBlot$1=BlockBlot,_ContainerBlot=class _ContainerBlot extends ParentBlot$1{checkMerge(){return this.next!==null&&this.next.statics.blotName===this.statics.blotName}deleteAt(index,length){super.deleteAt(index,length),this.enforceAllowedChildren()}formatAt(index,length,name,value){super.formatAt(index,length,name,value),this.enforceAllowedChildren()}insertAt(index,value,def){super.insertAt(index,value,def),this.enforceAllowedChildren()}optimize(context){super.optimize(context),this.children.length>0&&this.next!=null&&this.checkMerge()&&(this.next.moveChildren(this),this.next.remove())}};_ContainerBlot.blotName="container",_ContainerBlot.scope=Scope.BLOCK_BLOT;let ContainerBlot=_ContainerBlot;const ContainerBlot$1=ContainerBlot;class EmbedBlot extends LeafBlot$1{static formats(_domNode,_scroll){}format(name,value){super.formatAt(0,this.length(),name,value)}formatAt(index,length,name,value){index===0&&length===this.length()?this.format(name,value):super.formatAt(index,length,name,value)}formats(){return this.statics.formats(this.domNode,this.scroll)}}const EmbedBlot$1=EmbedBlot,OBSERVER_CONFIG={attributes:!0,characterData:!0,characterDataOldValue:!0,childList:!0,subtree:!0},MAX_OPTIMIZE_ITERATIONS=100,_ScrollBlot=class _ScrollBlot extends ParentBlot$1{constructor(registry,node){super(null,node),this.registry=registry,this.scroll=this,this.build(),this.observer=new MutationObserver(mutations=>{this.update(mutations)}),this.observer.observe(this.domNode,OBSERVER_CONFIG),this.attach()}create(input,value){return this.registry.create(this,input,value)}find(node,bubble=!1){const blot=this.registry.find(node,bubble);return blot?blot.scroll===this?blot:bubble?this.find(blot.scroll.domNode.parentNode,!0):null:null}query(query,scope=Scope.ANY){return this.registry.query(query,scope)}register(...definitions){return this.registry.register(...definitions)}build(){this.scroll!=null&&super.build()}detach(){super.detach(),this.observer.disconnect()}deleteAt(index,length){this.update(),index===0&&length===this.length()?this.children.forEach(child=>{child.remove()}):super.deleteAt(index,length)}formatAt(index,length,name,value){this.update(),super.formatAt(index,length,name,value)}insertAt(index,value,def){this.update(),super.insertAt(index,value,def)}optimize(mutations=[],context={}){super.optimize(context);const mutationsMap=context.mutationsMap||new WeakMap;let records=Array.from(this.observer.takeRecords());for(;records.length>0;)mutations.push(records.pop());const mark=(blot,markParent=!0)=>{blot==null||blot===this||blot.domNode.parentNode!=null&&(mutationsMap.has(blot.domNode)||mutationsMap.set(blot.domNode,[]),markParent&&mark(blot.parent))},optimize=blot=>{mutationsMap.has(blot.domNode)&&(blot instanceof ParentBlot$1&&blot.children.forEach(optimize),mutationsMap.delete(blot.domNode),blot.optimize(context))};let remaining=mutations;for(let i=0;remaining.length>0;i+=1){if(i>=MAX_OPTIMIZE_ITERATIONS)throw new Error("[Parchment] Maximum optimize iterations reached");for(remaining.forEach(mutation=>{const blot=this.find(mutation.target,!0);blot!=null&&(blot.domNode===mutation.target&&(mutation.type==="childList"?(mark(this.find(mutation.previousSibling,!1)),Array.from(mutation.addedNodes).forEach(node=>{const child=this.find(node,!1);mark(child,!1),child instanceof ParentBlot$1&&child.children.forEach(grandChild=>{mark(grandChild,!1)})})):mutation.type==="attributes"&&mark(blot.prev)),mark(blot))}),this.children.forEach(optimize),remaining=Array.from(this.observer.takeRecords()),records=remaining.slice();records.length>0;)mutations.push(records.pop())}}update(mutations,context={}){mutations=mutations||this.observer.takeRecords();const mutationsMap=new WeakMap;mutations.map(mutation=>{const blot=this.find(mutation.target,!0);return blot==null?null:mutationsMap.has(blot.domNode)?(mutationsMap.get(blot.domNode).push(mutation),null):(mutationsMap.set(blot.domNode,[mutation]),blot)}).forEach(blot=>{blot!=null&&blot!==this&&mutationsMap.has(blot.domNode)&&blot.update(mutationsMap.get(blot.domNode)||[],context)}),context.mutationsMap=mutationsMap,mutationsMap.has(this.domNode)&&super.update(mutationsMap.get(this.domNode),context),this.optimize(mutations,context)}};_ScrollBlot.blotName="scroll",_ScrollBlot.defaultChild=BlockBlot$1,_ScrollBlot.allowedChildren=[BlockBlot$1,ContainerBlot$1],_ScrollBlot.scope=Scope.BLOCK_BLOT,_ScrollBlot.tagName="DIV";let ScrollBlot=_ScrollBlot;const ScrollBlot$1=ScrollBlot,_TextBlot=class _TextBlot extends LeafBlot$1{static create(value){return document.createTextNode(value)}static value(domNode){return domNode.data}constructor(scroll,node){super(scroll,node),this.text=this.statics.value(this.domNode)}deleteAt(index,length){this.domNode.data=this.text=this.text.slice(0,index)+this.text.slice(index+length)}index(node,offset){return this.domNode===node?offset:-1}insertAt(index,value,def){def==null?(this.text=this.text.slice(0,index)+value+this.text.slice(index),this.domNode.data=this.text):super.insertAt(index,value,def)}length(){return this.text.length}optimize(context){super.optimize(context),this.text=this.statics.value(this.domNode),this.text.length===0?this.remove():this.next instanceof _TextBlot&&this.next.prev===this&&(this.insertAt(this.length(),this.next.value()),this.next.remove())}position(index,_inclusive=!1){return[this.domNode,index]}split(index,force=!1){if(!force){if(index===0)return this;if(index===this.length())return this.next}const after=this.scroll.create(this.domNode.splitText(index));return this.parent.insertBefore(after,this.next||void 0),this.text=this.statics.value(this.domNode),after}update(mutations,_context){mutations.some(mutation=>mutation.type==="characterData"&&mutation.target===this.domNode)&&(this.text=this.statics.value(this.domNode))}value(){return this.text}};_TextBlot.blotName="text",_TextBlot.scope=Scope.INLINE_BLOT;let TextBlot=_TextBlot;const TextBlot$1=TextBlot;exports2.Attributor=Attributor,exports2.AttributorStore=AttributorStore$1,exports2.BlockBlot=BlockBlot$1,exports2.ClassAttributor=ClassAttributor$1,exports2.ContainerBlot=ContainerBlot$1,exports2.EmbedBlot=EmbedBlot$1,exports2.InlineBlot=InlineBlot$1,exports2.LeafBlot=LeafBlot$1,exports2.ParentBlot=ParentBlot$1,exports2.Registry=Registry,exports2.Scope=Scope,exports2.ScrollBlot=ScrollBlot$1,exports2.StyleAttributor=StyleAttributor$1,exports2.TextBlot=TextBlot$1,Object.defineProperty(exports2,Symbol.toStringTag,{value:"Module"})});
- //# sourceMappingURL=parchment.umd.cjs.map
|
