import{Annotation,EditorSelection,codePointAt,codePointSize,fromCodePoint,Facet,combineConfig,StateEffect,StateField,Prec,Text,MapMode,RangeValue,RangeSet,CharCategory}from"@codemirror/state";import{logException,Direction,showTooltip,EditorView,ViewPlugin,getTooltip,Decoration,WidgetType,keymap}from"@codemirror/view";import{syntaxTree,indentUnit}from"@codemirror/language";class CompletionContext{constructor(state,pos,explicit){this.state=state;this.pos=pos;this.explicit=explicit;this.abortListeners=[]}tokenBefore(types){let token=syntaxTree(this.state).resolveInner(this.pos,-1);while(token&&types.indexOf(token.name)<0)token=token.parent;return token?{from:token.from,to:this.pos,text:this.state.sliceDoc(token.from,this.pos),type:token.type}:null}matchBefore(expr){let line=this.state.doc.lineAt(this.pos);let start=Math.max(line.from,this.pos-250);let str=line.text.slice(start-line.from,this.pos-line.from);let found=str.search(ensureAnchor(expr,false));return found<0?null:{from:start+found,to:this.pos,text:str.slice(found)}}get aborted(){return this.abortListeners==null}addEventListener(type,listener){if(type=="abort"&&this.abortListeners)this.abortListeners.push(listener)}}function toSet(chars){let flat=Object.keys(chars).join("");let words=/\w/.test(flat);if(words)flat=flat.replace(/\w/g,"");return`[${words?"\\w":""}${flat.replace(/[^\w\s]/g,"\\$&")}]`}function prefixMatch(options){let first=Object.create(null),rest=Object.create(null);for(let{label}of options){first[label[0]]=true;for(let i=1;i<label.length;i++)rest[label[i]]=true}let source=toSet(first)+toSet(rest)+"*$";return[new RegExp("^"+source),new RegExp(source)]}function completeFromList(list){let options=list.map(o=>typeof o=="string"?{label:o}:o);let[validFor,match]=options.every(o=>/^\w+$/.test(o.label))?[/\w*$/,/\w+$/]:prefixMatch(options);return context=>{let token=context.matchBefore(match);return token||context.explicit?{from:token?token.from:context.pos,options:options,validFor:validFor}:null}}function ifIn(nodes,source){return context=>{for(let pos=syntaxTree(context.state).resolveInner(context.pos,-1);pos;pos=pos.parent)if(nodes.indexOf(pos.name)>-1)return source(context);return null}}function ifNotIn(nodes,source){return context=>{for(let pos=syntaxTree(context.state).resolveInner(context.pos,-1);pos;pos=pos.parent)if(nodes.indexOf(pos.name)>-1)return null;return source(context)}}class Option{constructor(completion,source,match){this.completion=completion;this.source=source;this.match=match}}function cur(state){return state.selection.main.head}function ensureAnchor(expr,start){var _a;let{source}=expr;let addStart=start&&source[0]!="^",addEnd=source[source.length-1]!="$";if(!addStart&&!addEnd)return expr;return new RegExp(`${addStart?"^":""}(?:${source})${addEnd?"$":""}`,(_a=expr.flags)!==null&&_a!==void 0?_a:expr.ignoreCase?"i":"")}const pickedCompletion=Annotation.define();function insertCompletionText(state,text,from,to){return Object.assign(Object.assign({},state.changeByRange(range=>{if(range==state.selection.main)return{changes:{from:from,to:to,insert:text},range:EditorSelection.cursor(from+text.length)};let len=to-from;if(!range.empty||len&&state.sliceDoc(range.from-len,range.from)!=state.sliceDoc(from,to))return{range:range};return{changes:{from:range.from-len,to:range.from,insert:text},range:EditorSelection.cursor(range.from-len+text.length)}})),{userEvent:"input.complete"})}function applyCompletion(view,option){const apply=option.completion.apply||option.completion.label;let result=option.source;if(typeof apply=="string")view.dispatch(insertCompletionText(view.state,apply,result.from,result.to));else apply(view,option.completion,result.from,result.to)}const SourceCache=new WeakMap;function asSource(source){if(!Array.isArray(source))return source;let known=SourceCache.get(source);if(!known)SourceCache.set(source,known=completeFromList(source));return known}class FuzzyMatcher{constructor(pattern){this.pattern=pattern;this.chars=[];this.folded=[];this.any=[];this.precise=[];this.byWord=[];for(let p=0;p<pattern.length;){let char=codePointAt(pattern,p),size=codePointSize(char);this.chars.push(char);let part=pattern.slice(p,p+size),upper=part.toUpperCase();this.folded.push(codePointAt(upper==part?part.toLowerCase():upper,0));p+=size}this.astral=pattern.length!=this.chars.length}match(word){if(this.pattern.length==0)return[0];if(word.length<this.pattern.length)return null;let{chars,folded,any,precise,byWord}=this;if(chars.length==1){let first=codePointAt(word,0);return first==chars[0]?[0,0,codePointSize(first)]:first==folded[0]?[-200,0,codePointSize(first)]:null}let direct=word.indexOf(this.pattern);if(direct==0)return[0,0,this.pattern.length];let len=chars.length,anyTo=0;if(direct<0){for(let i=0,e=Math.min(word.length,200);i<e&&anyTo<len;){let next=codePointAt(word,i);if(next==chars[anyTo]||next==folded[anyTo])any[anyTo++]=i;i+=codePointSize(next)}if(anyTo<len)return null}let preciseTo=0;let byWordTo=0,byWordFolded=false;let adjacentTo=0,adjacentStart=-1,adjacentEnd=-1;let hasLower=/[a-z]/.test(word),wordAdjacent=true;for(let i=0,e=Math.min(word.length,200),prevType=0;i<e&&byWordTo<len;){let next=codePointAt(word,i);if(direct<0){if(preciseTo<len&&next==chars[preciseTo])precise[preciseTo++]=i;if(adjacentTo<len){if(next==chars[adjacentTo]||next==folded[adjacentTo]){if(adjacentTo==0)adjacentStart=i;adjacentEnd=i+1;adjacentTo++}else{adjacentTo=0}}}let ch,type=next<255?next>=48&&next<=57||next>=97&&next<=122?2:next>=65&&next<=90?1:0:(ch=fromCodePoint(next))!=ch.toLowerCase()?1:ch!=ch.toUpperCase()?2:0;if(!i||type==1&&hasLower||prevType==0&&type!=0){if(chars[byWordTo]==next||folded[byWordTo]==next&&(byWordFolded=true))byWord[byWordTo++]=i;else if(byWord.length)wordAdjacent=false}prevType=type;i+=codePointSize(next)}if(byWordTo==len&&byWord[0]==0&&wordAdjacent)return this.result(-100+(byWordFolded?-200:0),byWord,word);if(adjacentTo==len&&adjacentStart==0)return[-200-word.length,0,adjacentEnd];if(direct>-1)return[-700-word.length,direct,direct+this.pattern.length];if(adjacentTo==len)return[-200+-700-word.length,adjacentStart,adjacentEnd];if(byWordTo==len)return this.result(-100+(byWordFolded?-200:0)+-700+(wordAdjacent?0:-1100),byWord,word);return chars.length==2?null:this.result((any[0]?-700:0)+-200+-1100,any,word)}result(score,positions,word){let result=[score-word.length],i=1;for(let pos of positions){let to=pos+(this.astral?codePointSize(codePointAt(word,pos)):1);if(i>1&&result[i-1]==pos)result[i-1]=to;else{result[i++]=pos;result[i++]=to}}return result}}const completionConfig=Facet.define({combine(configs){return combineConfig(configs,{activateOnTyping:true,selectOnOpen:true,override:null,closeOnBlur:true,maxRenderedOptions:100,defaultKeymap:true,optionClass:()=>"",aboveCursor:false,icons:true,addToOptions:[],compareCompletions:(a,b)=>a.label.localeCompare(b.label),interactionDelay:75},{defaultKeymap:(a,b)=>a&&b,closeOnBlur:(a,b)=>a&&b,icons:(a,b)=>a&&b,optionClass:(a,b)=>c=>joinClass(a(c),b(c)),addToOptions:(a,b)=>a.concat(b)})}});function joinClass(a,b){return a?b?a+" "+b:a:b}function optionContent(config){let content=config.addToOptions.slice();if(config.icons)content.push({render(completion){let icon=document.createElement("div");icon.classList.add("cm-completionIcon");if(completion.type)icon.classList.add(...completion.type.split(/\s+/g).map(cls=>"cm-completionIcon-"+cls));icon.setAttribute("aria-hidden","true");return icon},position:20});content.push({render(completion,_s,match){let labelElt=document.createElement("span");labelElt.className="cm-completionLabel";let{label}=completion,off=0;for(let j=1;j<match.length;){let from=match[j++],to=match[j++];if(from>off)labelElt.appendChild(document.createTextNode(label.slice(off,from)));let span=labelElt.appendChild(document.createElement("span"));span.appendChild(document.createTextNode(label.slice(from,to)));span.className="cm-completionMatchedText";off=to}if(off<label.length)labelElt.appendChild(document.createTextNode(label.slice(off)));return labelElt},position:50},{render(completion){if(!completion.detail)return null;let detailElt=document.createElement("span");detailElt.className="cm-completionDetail";detailElt.textContent=completion.detail;return detailElt},position:80});return content.sort((a,b)=>a.position-b.position).map(a=>a.render)}function rangeAroundSelected(total,selected,max){if(total<=max)return{from:0,to:total};if(selected<0)selected=0;if(selected<=total>>1){let off=Math.floor(selected/max);return{from:off*max,to:(off+1)*max}}let off=Math.floor((total-selected)/max);return{from:total-(off+1)*max,to:total-off*max}}class CompletionTooltip{constructor(view,stateField){this.view=view;this.stateField=stateField;this.info=null;this.placeInfo={read:()=>this.measureInfo(),write:pos=>this.positionInfo(pos),key:this};let cState=view.state.field(stateField);let{options,selected}=cState.open;let config=view.state.facet(completionConfig);this.optionContent=optionContent(config);this.optionClass=config.optionClass;this.range=rangeAroundSelected(options.length,selected,config.maxRenderedOptions);this.dom=document.createElement("div");this.dom.className="cm-tooltip-autocomplete";this.dom.addEventListener("mousedown",e=>{for(let dom=e.target,match;dom&&dom!=this.dom;dom=dom.parentNode){if(dom.nodeName=="LI"&&(match=/-(\d+)$/.exec(dom.id))&&+match[1]<options.length){applyCompletion(view,options[+match[1]]);e.preventDefault();return}}});this.list=this.dom.appendChild(this.createListBox(options,cState.id,this.range));this.list.addEventListener("scroll",()=>{if(this.info)this.view.requestMeasure(this.placeInfo)})}mount(){this.updateSel()}update(update){if(update.state.field(this.stateField)!=update.startState.field(this.stateField))this.updateSel()}positioned(){if(this.info)this.view.requestMeasure(this.placeInfo)}updateSel(){let cState=this.view.state.field(this.stateField),open=cState.open;if(open.selected>-1&&open.selected<this.range.from||open.selected>=this.range.to){this.range=rangeAroundSelected(open.options.length,open.selected,this.view.state.facet(completionConfig).maxRenderedOptions);this.list.remove();this.list=this.dom.appendChild(this.createListBox(open.options,cState.id,this.range));this.list.addEventListener("scroll",()=>{if(this.info)this.view.requestMeasure(this.placeInfo)})}if(this.updateSelectedOption(open.selected)){if(this.info){this.info.remove();this.info=null}let{completion}=open.options[open.selected];let{info}=completion;if(!info)return;let infoResult=typeof info==="string"?document.createTextNode(info):info(completion);if(!infoResult)return;if("then"in infoResult){infoResult.then(node=>{if(node&&this.view.state.field(this.stateField,false)==cState)this.addInfoPane(node)}).catch(e=>logException(this.view.state,e,"completion info"))}else{this.addInfoPane(infoResult)}}}addInfoPane(content){let dom=this.info=document.createElement("div");dom.className="cm-tooltip cm-completionInfo";dom.appendChild(content);this.dom.appendChild(dom);this.view.requestMeasure(this.placeInfo)}updateSelectedOption(selected){let set=null;for(let opt=this.list.firstChild,i=this.range.from;opt;opt=opt.nextSibling,i++){if(i==selected){if(!opt.hasAttribute("aria-selected")){opt.setAttribute("aria-selected","true");set=opt}}else{if(opt.hasAttribute("aria-selected"))opt.removeAttribute("aria-selected")}}if(set)scrollIntoView(this.list,set);return set}measureInfo(){let sel=this.dom.querySelector("[aria-selected]");if(!sel||!this.info)return null;let win=this.dom.ownerDocument.defaultView||window;let listRect=this.dom.getBoundingClientRect();let infoRect=this.info.getBoundingClientRect();let selRect=sel.getBoundingClientRect();if(selRect.top>Math.min(win.innerHeight,listRect.bottom)-10||selRect.bottom<Math.max(0,listRect.top)+10)return null;let rtl=this.view.textDirection==Direction.RTL,left=rtl,narrow=false,maxWidth;let top="",bottom="";let spaceLeft=listRect.left,spaceRight=win.innerWidth-listRect.right;if(left&&spaceLeft<Math.min(infoRect.width,spaceRight))left=false;else if(!left&&spaceRight<Math.min(infoRect.width,spaceLeft))left=true;if(infoRect.width<=(left?spaceLeft:spaceRight)){top=Math.max(0,Math.min(selRect.top,win.innerHeight-infoRect.height))-listRect.top+"px";maxWidth=Math.min(400,left?spaceLeft:spaceRight)+"px"}else{narrow=true;maxWidth=Math.min(400,(rtl?listRect.right:win.innerWidth-listRect.left)-30)+"px";let spaceBelow=win.innerHeight-listRect.bottom;if(spaceBelow>=infoRect.height||spaceBelow>listRect.top)top=selRect.bottom-listRect.top+"px";else bottom=listRect.bottom-selRect.top+"px"}return{top:top,bottom:bottom,maxWidth:maxWidth,class:narrow?rtl?"left-narrow":"right-narrow":left?"left":"right"}}positionInfo(pos){if(this.info){if(pos){this.info.style.top=pos.top;this.info.style.bottom=pos.bottom;this.info.style.maxWidth=pos.maxWidth;this.info.className="cm-tooltip cm-completionInfo cm-completionInfo-"+pos.class}else{this.info.style.top="-1e6px"}}}createListBox(options,id,range){const ul=document.createElement("ul");ul.id=id;ul.setAttribute("role","listbox");ul.setAttribute("aria-expanded","true");ul.setAttribute("aria-label",this.view.state.phrase("Completions"));for(let i=range.from;i<range.to;i++){let{completion,match}=options[i];const li=ul.appendChild(document.createElement("li"));li.id=id+"-"+i;li.setAttribute("role","option");let cls=this.optionClass(completion);if(cls)li.className=cls;for(let source of this.optionContent){let node=source(completion,this.view.state,match);if(node)li.appendChild(node)}}if(range.from)ul.classList.add("cm-completionListIncompleteTop");if(range.to<options.length)ul.classList.add("cm-completionListIncompleteBottom");return ul}}function completionTooltip(stateField){return view=>new CompletionTooltip(view,stateField)}function scrollIntoView(container,element){let parent=container.getBoundingClientRect();let self=element.getBoundingClientRect();if(self.top<parent.top)container.scrollTop-=parent.top-self.top;else if(self.bottom>parent.bottom)container.scrollTop+=self.bottom-parent.bottom}function score(option){return(option.boost||0)*100+(option.apply?10:0)+(option.info?5:0)+(option.type?1:0)}function sortOptions(active,state){let options=[],i=0;for(let a of active)if(a.hasResult()){if(a.result.filter===false){let getMatch=a.result.getMatch;for(let option of a.result.options){let match=[1e9-i++];if(getMatch)for(let n of getMatch(option))match.push(n);options.push(new Option(option,a,match))}}else{let matcher=new FuzzyMatcher(state.sliceDoc(a.from,a.to)),match;for(let option of a.result.options)if(match=matcher.match(option.label)){if(option.boost!=null)match[0]+=option.boost;options.push(new Option(option,a,match))}}}let result=[],prev=null;let compare=state.facet(completionConfig).compareCompletions;for(let opt of options.sort((a,b)=>b.match[0]-a.match[0]||compare(a.completion,b.completion))){if(!prev||prev.label!=opt.completion.label||prev.detail!=opt.completion.detail||prev.type!=null&&opt.completion.type!=null&&prev.type!=opt.completion.type||prev.apply!=opt.completion.apply)result.push(opt);else if(score(opt.completion)>score(prev))result[result.length-1]=opt;prev=opt.completion}return result}class CompletionDialog{constructor(options,attrs,tooltip,timestamp,selected){this.options=options;this.attrs=attrs;this.tooltip=tooltip;this.timestamp=timestamp;this.selected=selected}setSelected(selected,id){return selected==this.selected||selected>=this.options.length?this:new CompletionDialog(this.options,makeAttrs(id,selected),this.tooltip,this.timestamp,selected)}static build(active,state,id,prev,conf){let options=sortOptions(active,state);if(!options.length)return null;let selected=state.facet(completionConfig).selectOnOpen?0:-1;if(prev&&prev.selected!=selected&&prev.selected!=-1){let selectedValue=prev.options[prev.selected].completion;for(let i=0;i<options.length;i++)if(options[i].completion==selectedValue){selected=i;break}}return new CompletionDialog(options,makeAttrs(id,selected),{pos:active.reduce((a,b)=>b.hasResult()?Math.min(a,b.from):a,1e8),create:completionTooltip(completionState),above:conf.aboveCursor},prev?prev.timestamp:Date.now(),selected)}map(changes){return new CompletionDialog(this.options,this.attrs,Object.assign(Object.assign({},this.tooltip),{pos:changes.mapPos(this.tooltip.pos)}),this.timestamp,this.selected)}}class CompletionState{constructor(active,id,open){this.active=active;this.id=id;this.open=open}static start(){return new CompletionState(none,"cm-ac-"+Math.floor(Math.random()*2e6).toString(36),null)}update(tr){let{state}=tr,conf=state.facet(completionConfig);let sources=conf.override||state.languageDataAt("autocomplete",cur(state)).map(asSource);let active=sources.map(source=>{let value=this.active.find(s=>s.source==source)||new ActiveSource(source,this.active.some(a=>a.state!=0)?1:0);return value.update(tr,conf)});if(active.length==this.active.length&&active.every((a,i)=>a==this.active[i]))active=this.active;let open=tr.selection||active.some(a=>a.hasResult()&&tr.changes.touchesRange(a.from,a.to))||!sameResults(active,this.active)?CompletionDialog.build(active,state,this.id,this.open,conf):this.open&&tr.docChanged?this.open.map(tr.changes):this.open;if(!open&&active.every(a=>a.state!=1)&&active.some(a=>a.hasResult()))active=active.map(a=>a.hasResult()?new ActiveSource(a.source,0):a);for(let effect of tr.effects)if(effect.is(setSelectedEffect))open=open&&open.setSelected(effect.value,this.id);return active==this.active&&open==this.open?this:new CompletionState(active,this.id,open)}get tooltip(){return this.open?this.open.tooltip:null}get attrs(){return this.open?this.open.attrs:baseAttrs}}function sameResults(a,b){if(a==b)return true;for(let iA=0,iB=0;;){while(iA<a.length&&!a[iA].hasResult)iA++;while(iB<b.length&&!b[iB].hasResult)iB++;let endA=iA==a.length,endB=iB==b.length;if(endA||endB)return endA==endB;if(a[iA++].result!=b[iB++].result)return false}}const baseAttrs={"aria-autocomplete":"list"};function makeAttrs(id,selected){let result={"aria-autocomplete":"list","aria-haspopup":"listbox","aria-controls":id};if(selected>-1)result["aria-activedescendant"]=id+"-"+selected;return result}const none=[];function getUserEvent(tr){return tr.isUserEvent("input.type")?"input":tr.isUserEvent("delete.backward")?"delete":null}class ActiveSource{constructor(source,state,explicitPos=-1){this.source=source;this.state=state;this.explicitPos=explicitPos}hasResult(){return false}update(tr,conf){let event=getUserEvent(tr),value=this;if(event)value=value.handleUserEvent(tr,event,conf);else if(tr.docChanged)value=value.handleChange(tr);else if(tr.selection&&value.state!=0)value=new ActiveSource(value.source,0);for(let effect of tr.effects){if(effect.is(startCompletionEffect))value=new ActiveSource(value.source,1,effect.value?cur(tr.state):-1);else if(effect.is(closeCompletionEffect))value=new ActiveSource(value.source,0);else if(effect.is(setActiveEffect))for(let active of effect.value)if(active.source==value.source)value=active}return value}handleUserEvent(tr,type,conf){return type=="delete"||!conf.activateOnTyping?this.map(tr.changes):new ActiveSource(this.source,1)}handleChange(tr){return tr.changes.touchesRange(cur(tr.startState))?new ActiveSource(this.source,0):this.map(tr.changes)}map(changes){return changes.empty||this.explicitPos<0?this:new ActiveSource(this.source,this.state,changes.mapPos(this.explicitPos))}}class ActiveResult extends ActiveSource{constructor(source,explicitPos,result,from,to){super(source,2,explicitPos);this.result=result;this.from=from;this.to=to}hasResult(){return true}handleUserEvent(tr,type,conf){var _a;let from=tr.changes.mapPos(this.from),to=tr.changes.mapPos(this.to,1);let pos=cur(tr.state);if((this.explicitPos<0?pos<=from:pos<this.from)||pos>to||type=="delete"&&cur(tr.startState)==this.from)return new ActiveSource(this.source,type=="input"&&conf.activateOnTyping?1:0);let explicitPos=this.explicitPos<0?-1:tr.changes.mapPos(this.explicitPos),updated;if(checkValid(this.result.validFor,tr.state,from,to))return new ActiveResult(this.source,explicitPos,this.result,from,to);if(this.result.update&&(updated=this.result.update(this.result,from,to,new CompletionContext(tr.state,pos,explicitPos>=0))))return new ActiveResult(this.source,explicitPos,updated,updated.from,(_a=updated.to)!==null&&_a!==void 0?_a:cur(tr.state));return new ActiveSource(this.source,1,explicitPos)}handleChange(tr){return tr.changes.touchesRange(this.from,this.to)?new ActiveSource(this.source,0):this.map(tr.changes)}map(mapping){return mapping.empty?this:new ActiveResult(this.source,this.explicitPos<0?-1:mapping.mapPos(this.explicitPos),this.result,mapping.mapPos(this.from),mapping.mapPos(this.to,1))}}function checkValid(validFor,state,from,to){if(!validFor)return false;let text=state.sliceDoc(from,to);return typeof validFor=="function"?validFor(text,from,to,state):ensureAnchor(validFor,true).test(text)}const startCompletionEffect=StateEffect.define();const closeCompletionEffect=StateEffect.define();const setActiveEffect=StateEffect.define({map(sources,mapping){return sources.map(s=>s.map(mapping))}});const setSelectedEffect=StateEffect.define();const completionState=StateField.define({create(){return CompletionState.start()},update(value,tr){return value.update(tr)},provide:f=>[showTooltip.from(f,val=>val.tooltip),EditorView.contentAttributes.from(f,state=>state.attrs)]});function moveCompletionSelection(forward,by="option"){return view=>{let cState=view.state.field(completionState,false);if(!cState||!cState.open||Date.now()-cState.open.timestamp<view.state.facet(completionConfig).interactionDelay)return false;let step=1,tooltip;if(by=="page"&&(tooltip=getTooltip(view,cState.open.tooltip)))step=Math.max(2,Math.floor(tooltip.dom.offsetHeight/tooltip.dom.querySelector("li").offsetHeight)-1);let{length}=cState.open.options;let selected=cState.open.selected>-1?cState.open.selected+step*(forward?1:-1):forward?0:length-1;if(selected<0)selected=by=="page"?0:length-1;else if(selected>=length)selected=by=="page"?length-1:0;view.dispatch({effects:setSelectedEffect.of(selected)});return true}}const acceptCompletion=view=>{let cState=view.state.field(completionState,false);if(view.state.readOnly||!cState||!cState.open||cState.open.selected<0||Date.now()-cState.open.timestamp<view.state.facet(completionConfig).interactionDelay)return false;applyCompletion(view,cState.open.options[cState.open.selected]);return true};const startCompletion=view=>{let cState=view.state.field(completionState,false);if(!cState)return false;view.dispatch({effects:startCompletionEffect.of(true)});return true};const closeCompletion=view=>{let cState=view.state.field(completionState,false);if(!cState||!cState.active.some(a=>a.state!=0))return false;view.dispatch({effects:closeCompletionEffect.of(null)});return true};class RunningQuery{constructor(active,context){this.active=active;this.context=context;this.time=Date.now();this.updates=[];this.done=undefined}}const DebounceTime=50,MaxUpdateCount=50,MinAbortTime=1e3;const completionPlugin=ViewPlugin.fromClass(class{constructor(view){this.view=view;this.debounceUpdate=-1;this.running=[];this.debounceAccept=-1;this.composing=0;for(let active of view.state.field(completionState).active)if(active.state==1)this.startQuery(active)}update(update){let cState=update.state.field(completionState);if(!update.selectionSet&&!update.docChanged&&update.startState.field(completionState)==cState)return;let doesReset=update.transactions.some(tr=>{return(tr.selection||tr.docChanged)&&!getUserEvent(tr)});for(let i=0;i<this.running.length;i++){let query=this.running[i];if(doesReset||query.updates.length+update.transactions.length>MaxUpdateCount&&Date.now()-query.time>MinAbortTime){for(let handler of query.context.abortListeners){try{handler()}catch(e){logException(this.view.state,e)}}query.context.abortListeners=null;this.running.splice(i--,1)}else{query.updates.push(...update.transactions)}}if(this.debounceUpdate>-1)clearTimeout(this.debounceUpdate);this.debounceUpdate=cState.active.some(a=>a.state==1&&!this.running.some(q=>q.active.source==a.source))?setTimeout(()=>this.startUpdate(),DebounceTime):-1;if(this.composing!=0)for(let tr of update.transactions){if(getUserEvent(tr)=="input")this.composing=2;else if(this.composing==2&&tr.selection)this.composing=3}}startUpdate(){this.debounceUpdate=-1;let{state}=this.view,cState=state.field(completionState);for(let active of cState.active){if(active.state==1&&!this.running.some(r=>r.active.source==active.source))this.startQuery(active)}}startQuery(active){let{state}=this.view,pos=cur(state);let context=new CompletionContext(state,pos,active.explicitPos==pos);let pending=new RunningQuery(active,context);this.running.push(pending);Promise.resolve(active.source(context)).then(result=>{if(!pending.context.aborted){pending.done=result||null;this.scheduleAccept()}},err=>{this.view.dispatch({effects:closeCompletionEffect.of(null)});logException(this.view.state,err)})}scheduleAccept(){if(this.running.every(q=>q.done!==undefined))this.accept();else if(this.debounceAccept<0)this.debounceAccept=setTimeout(()=>this.accept(),DebounceTime)}accept(){var _a;if(this.debounceAccept>-1)clearTimeout(this.debounceAccept);this.debounceAccept=-1;let updated=[];let conf=this.view.state.facet(completionConfig);for(let i=0;i<this.running.length;i++){let query=this.running[i];if(query.done===undefined)continue;this.running.splice(i--,1);if(query.done){let active=new ActiveResult(query.active.source,query.active.explicitPos,query.done,query.done.from,(_a=query.done.to)!==null&&_a!==void 0?_a:cur(query.updates.length?query.updates[0].startState:this.view.state));for(let tr of query.updates)active=active.update(tr,conf);if(active.hasResult()){updated.push(active);continue}}let current=this.view.state.field(completionState).active.find(a=>a.source==query.active.source);if(current&&current.state==1){if(query.done==null){let active=new ActiveSource(query.active.source,0);for(let tr of query.updates)active=active.update(tr,conf);if(active.state!=1)updated.push(active)}else{this.startQuery(current)}}}if(updated.length)this.view.dispatch({effects:setActiveEffect.of(updated)})}},{eventHandlers:{blur(){let state=this.view.state.field(completionState,false);if(state&&state.tooltip&&this.view.state.facet(completionConfig).closeOnBlur)this.view.dispatch({effects:closeCompletionEffect.of(null)})},compositionstart(){this.composing=1},compositionend(){if(this.composing==3){setTimeout(()=>this.view.dispatch({effects:startCompletionEffect.of(false)}),20)}this.composing=0}}});const baseTheme=EditorView.baseTheme({".cm-tooltip.cm-tooltip-autocomplete":{"& > ul":{fontFamily:"monospace",whiteSpace:"nowrap",overflow:"hidden auto",maxWidth_fallback:"700px",maxWidth:"min(700px, 95vw)",minWidth:"250px",maxHeight:"10em",listStyle:"none",margin:0,padding:0,"& > li":{overflowX:"hidden",textOverflow:"ellipsis",cursor:"pointer",padding:"1px 3px",lineHeight:1.2}}},"&light .cm-tooltip-autocomplete ul li[aria-selected]":{background:"#17c",color:"white"},"&dark .cm-tooltip-autocomplete ul li[aria-selected]":{background:"#347",color:"white"},".cm-completionListIncompleteTop:before, .cm-completionListIncompleteBottom:after":{content:'"···"',opacity:.5,display:"block",textAlign:"center"},".cm-tooltip.cm-completionInfo":{position:"absolute",padding:"3px 9px",width:"max-content",maxWidth:`${400}px`,boxSizing:"border-box"},".cm-completionInfo.cm-completionInfo-left":{right:"100%"},".cm-completionInfo.cm-completionInfo-right":{left:"100%"},".cm-completionInfo.cm-completionInfo-left-narrow":{right:`${30}px`},".cm-completionInfo.cm-completionInfo-right-narrow":{left:`${30}px`},"&light .cm-snippetField":{backgroundColor:"#00000022"},"&dark .cm-snippetField":{backgroundColor:"#ffffff22"},".cm-snippetFieldPosition":{verticalAlign:"text-top",width:0,height:"1.15em",display:"inline-block",margin:"0 -0.7px -.7em",borderLeft:"1.4px dotted #888"},".cm-completionMatchedText":{textDecoration:"underline"},".cm-completionDetail":{marginLeft:"0.5em",fontStyle:"italic"},".cm-completionIcon":{fontSize:"90%",width:".8em",display:"inline-block",textAlign:"center",paddingRight:".6em",opacity:"0.6"},".cm-completionIcon-function, .cm-completionIcon-method":{"&:after":{content:"'ƒ'"}},".cm-completionIcon-class":{"&:after":{content:"'○'"}},".cm-completionIcon-interface":{"&:after":{content:"'◌'"}},".cm-completionIcon-variable":{"&:after":{content:"'𝑥'"}},".cm-completionIcon-constant":{"&:after":{content:"'𝐶'"}},".cm-completionIcon-type":{"&:after":{content:"'𝑡'"}},".cm-completionIcon-enum":{"&:after":{content:"'∪'"}},".cm-completionIcon-property":{"&:after":{content:"'□'"}},".cm-completionIcon-keyword":{"&:after":{content:"'🔑︎'"}},".cm-completionIcon-namespace":{"&:after":{content:"'▢'"}},".cm-completionIcon-text":{"&:after":{content:"'abc'",fontSize:"50%",verticalAlign:"middle"}}});class FieldPos{constructor(field,line,from,to){this.field=field;this.line=line;this.from=from;this.to=to}}class FieldRange{constructor(field,from,to){this.field=field;this.from=from;this.to=to}map(changes){let from=changes.mapPos(this.from,-1,MapMode.TrackDel);let to=changes.mapPos(this.to,1,MapMode.TrackDel);return from==null||to==null?null:new FieldRange(this.field,from,to)}}class Snippet{constructor(lines,fieldPositions){this.lines=lines;this.fieldPositions=fieldPositions}instantiate(state,pos){let text=[],lineStart=[pos];let lineObj=state.doc.lineAt(pos),baseIndent=/^\s*/.exec(lineObj.text)[0];for(let line of this.lines){if(text.length){let indent=baseIndent,tabs=/^\t*/.exec(line)[0].length;for(let i=0;i<tabs;i++)indent+=state.facet(indentUnit);lineStart.push(pos+indent.length-tabs);line=indent+line.slice(tabs)}text.push(line);pos+=line.length+1}let ranges=this.fieldPositions.map(pos=>new FieldRange(pos.field,lineStart[pos.line]+pos.from,lineStart[pos.line]+pos.to));return{text:text,ranges:ranges}}static parse(template){let fields=[];let lines=[],positions=[],m;for(let line of template.split(/\r\n?|\n/)){while(m=/[#$]\{(?:(\d+)(?::([^}]*))?|([^}]*))\}/.exec(line)){let seq=m[1]?+m[1]:null,name=m[2]||m[3]||"",found=-1;for(let i=0;i<fields.length;i++){if(seq!=null?fields[i].seq==seq:name?fields[i].name==name:false)found=i}if(found<0){let i=0;while(i<fields.length&&(seq==null||fields[i].seq!=null&&fields[i].seq<seq))i++;fields.splice(i,0,{seq:seq,name:name});found=i;for(let pos of positions)if(pos.field>=found)pos.field++}positions.push(new FieldPos(found,lines.length,m.index,m.index+name.length));line=line.slice(0,m.index)+name+line.slice(m.index+m[0].length)}for(let esc;esc=/([$#])\\{/.exec(line);){line=line.slice(0,esc.index)+esc[1]+"{"+line.slice(esc.index+esc[0].length);for(let pos of positions)if(pos.line==lines.length&&pos.from>esc.index){pos.from--;pos.to--}}lines.push(line)}return new Snippet(lines,positions)}}let fieldMarker=Decoration.widget({widget:new class extends WidgetType{toDOM(){let span=document.createElement("span");span.className="cm-snippetFieldPosition";return span}ignoreEvent(){return false}}});let fieldRange=Decoration.mark({class:"cm-snippetField"});class ActiveSnippet{constructor(ranges,active){this.ranges=ranges;this.active=active;this.deco=Decoration.set(ranges.map(r=>(r.from==r.to?fieldMarker:fieldRange).range(r.from,r.to)))}map(changes){let ranges=[];for(let r of this.ranges){let mapped=r.map(changes);if(!mapped)return null;ranges.push(mapped)}return new ActiveSnippet(ranges,this.active)}selectionInsideField(sel){return sel.ranges.every(range=>this.ranges.some(r=>r.field==this.active&&r.from<=range.from&&r.to>=range.to))}}const setActive=StateEffect.define({map(value,changes){return value&&value.map(changes)}});const moveToField=StateEffect.define();const snippetState=StateField.define({create(){return null},update(value,tr){for(let effect of tr.effects){if(effect.is(setActive))return effect.value;if(effect.is(moveToField)&&value)return new ActiveSnippet(value.ranges,effect.value)}if(value&&tr.docChanged)value=value.map(tr.changes);if(value&&tr.selection&&!value.selectionInsideField(tr.selection))value=null;return value},provide:f=>EditorView.decorations.from(f,val=>val?val.deco:Decoration.none)});function fieldSelection(ranges,field){return EditorSelection.create(ranges.filter(r=>r.field==field).map(r=>EditorSelection.range(r.from,r.to)))}function snippet(template){let snippet=Snippet.parse(template);return(editor,_completion,from,to)=>{let{text,ranges}=snippet.instantiate(editor.state,from);let spec={changes:{from:from,to:to,insert:Text.of(text)},scrollIntoView:true};if(ranges.length)spec.selection=fieldSelection(ranges,0);if(ranges.length>1){let active=new ActiveSnippet(ranges,0);let effects=spec.effects=[setActive.of(active)];if(editor.state.field(snippetState,false)===undefined)effects.push(StateEffect.appendConfig.of([snippetState,addSnippetKeymap,snippetPointerHandler,baseTheme]))}editor.dispatch(editor.state.update(spec))}}function moveField(dir){return({state,dispatch})=>{let active=state.field(snippetState,false);if(!active||dir<0&&active.active==0)return false;let next=active.active+dir,last=dir>0&&!active.ranges.some(r=>r.field==next+dir);dispatch(state.update({selection:fieldSelection(active.ranges,next),effects:setActive.of(last?null:new ActiveSnippet(active.ranges,next))}));return true}}const clearSnippet=({state,dispatch})=>{let active=state.field(snippetState,false);if(!active)return false;dispatch(state.update({effects:setActive.of(null)}));return true};const nextSnippetField=moveField(1);const prevSnippetField=moveField(-1);const defaultSnippetKeymap=[{key:"Tab",run:nextSnippetField,shift:prevSnippetField},{key:"Escape",run:clearSnippet}];const snippetKeymap=Facet.define({combine(maps){return maps.length?maps[0]:defaultSnippetKeymap}});const addSnippetKeymap=Prec.highest(keymap.compute([snippetKeymap],state=>state.facet(snippetKeymap)));function snippetCompletion(template,completion){return Object.assign(Object.assign({},completion),{apply:snippet(template)})}const snippetPointerHandler=EditorView.domEventHandlers({mousedown(event,view){let active=view.state.field(snippetState,false),pos;if(!active||(pos=view.posAtCoords({x:event.clientX,y:event.clientY}))==null)return false;let match=active.ranges.find(r=>r.from<=pos&&r.to>=pos);if(!match||match.field==active.active)return false;view.dispatch({selection:fieldSelection(active.ranges,match.field),effects:setActive.of(active.ranges.some(r=>r.field>match.field)?new ActiveSnippet(active.ranges,match.field):null)});return true}});function wordRE(wordChars){let escaped=wordChars.replace(/[\\[.+*?(){|^$]/g,"\\$&");try{return new RegExp(`[\\p{Alphabetic}\\p{Number}_${escaped}]+`,"ug")}catch(_a){return new RegExp(`[\w${escaped}]`,"g")}}function mapRE(re,f){return new RegExp(f(re.source),re.unicode?"u":"")}const wordCaches=Object.create(null);function wordCache(wordChars){return wordCaches[wordChars]||(wordCaches[wordChars]=new WeakMap)}function storeWords(doc,wordRE,result,seen,ignoreAt){for(let lines=doc.iterLines(),pos=0;!lines.next().done;){let{value}=lines,m;wordRE.lastIndex=0;while(m=wordRE.exec(value)){if(!seen[m[0]]&&pos+m.index!=ignoreAt){result.push({type:"text",label:m[0]});seen[m[0]]=true;if(result.length>=2e3)return}}pos+=value.length+1}}function collectWords(doc,cache,wordRE,to,ignoreAt){let big=doc.length>=1e3;let cached=big&&cache.get(doc);if(cached)return cached;let result=[],seen=Object.create(null);if(doc.children){let pos=0;for(let ch of doc.children){if(ch.length>=1e3){for(let c of collectWords(ch,cache,wordRE,to-pos,ignoreAt-pos)){if(!seen[c.label]){seen[c.label]=true;result.push(c)}}}else{storeWords(ch,wordRE,result,seen,ignoreAt-pos)}pos+=ch.length+1}}else{storeWords(doc,wordRE,result,seen,ignoreAt)}if(big&&result.length<2e3)cache.set(doc,result);return result}const completeAnyWord=context=>{let wordChars=context.state.languageDataAt("wordChars",context.pos).join("");let re=wordRE(wordChars);let token=context.matchBefore(mapRE(re,s=>s+"$"));if(!token&&!context.explicit)return null;let from=token?token.from:context.pos;let options=collectWords(context.state.doc,wordCache(wordChars),re,5e4,from);return{from:from,options:options,validFor:mapRE(re,s=>"^"+s)}};const defaults={brackets:["(","[","{","'",'"'],before:")]}:;>",stringPrefixes:[]};const closeBracketEffect=StateEffect.define({map(value,mapping){let mapped=mapping.mapPos(value,-1,MapMode.TrackAfter);return mapped==null?undefined:mapped}});const skipBracketEffect=StateEffect.define({map(value,mapping){return mapping.mapPos(value)}});const closedBracket=new class extends RangeValue{};closedBracket.startSide=1;closedBracket.endSide=-1;const bracketState=StateField.define({create(){return RangeSet.empty},update(value,tr){if(tr.selection){let lineStart=tr.state.doc.lineAt(tr.selection.main.head).from;let prevLineStart=tr.startState.doc.lineAt(tr.startState.selection.main.head).from;if(lineStart!=tr.changes.mapPos(prevLineStart,-1))value=RangeSet.empty}value=value.map(tr.changes);for(let effect of tr.effects){if(effect.is(closeBracketEffect))value=value.update({add:[closedBracket.range(effect.value,effect.value+1)]});else if(effect.is(skipBracketEffect))value=value.update({filter:from=>from!=effect.value})}return value}});function closeBrackets(){return[inputHandler,bracketState]}const definedClosing="()[]{}<>";function closing(ch){for(let i=0;i<definedClosing.length;i+=2)if(definedClosing.charCodeAt(i)==ch)return definedClosing.charAt(i+1);return fromCodePoint(ch<128?ch:ch+1)}function config(state,pos){return state.languageDataAt("closeBrackets",pos)[0]||defaults}const android=typeof navigator=="object"&&/Android\b/.test(navigator.userAgent);const inputHandler=EditorView.inputHandler.of((view,from,to,insert)=>{if((android?view.composing:view.compositionStarted)||view.state.readOnly)return false;let sel=view.state.selection.main;if(insert.length>2||insert.length==2&&codePointSize(codePointAt(insert,0))==1||from!=sel.from||to!=sel.to)return false;let tr=insertBracket(view.state,insert);if(!tr)return false;view.dispatch(tr);return true});const deleteBracketPair=({state,dispatch})=>{if(state.readOnly)return false;let conf=config(state,state.selection.main.head);let tokens=conf.brackets||defaults.brackets;let dont=null,changes=state.changeByRange(range=>{if(range.empty){let before=prevChar(state.doc,range.head);for(let token of tokens){if(token==before&&nextChar(state.doc,range.head)==closing(codePointAt(token,0)))return{changes:{from:range.head-token.length,to:range.head+token.length},range:EditorSelection.cursor(range.head-token.length)}}}return{range:dont=range}});if(!dont)dispatch(state.update(changes,{scrollIntoView:true,userEvent:"delete.backward"}));return!dont};const closeBracketsKeymap=[{key:"Backspace",run:deleteBracketPair}];function insertBracket(state,bracket){let conf=config(state,state.selection.main.head);let tokens=conf.brackets||defaults.brackets;for(let tok of tokens){let closed=closing(codePointAt(tok,0));if(bracket==tok)return closed==tok?handleSame(state,tok,tokens.indexOf(tok+tok+tok)>-1,conf):handleOpen(state,tok,closed,conf.before||defaults.before);if(bracket==closed&&closedBracketAt(state,state.selection.main.from))return handleClose(state,tok,closed)}return null}function closedBracketAt(state,pos){let found=false;state.field(bracketState).between(0,state.doc.length,from=>{if(from==pos)found=true});return found}function nextChar(doc,pos){let next=doc.sliceString(pos,pos+2);return next.slice(0,codePointSize(codePointAt(next,0)))}function prevChar(doc,pos){let prev=doc.sliceString(pos-2,pos);return codePointSize(codePointAt(prev,0))==prev.length?prev:prev.slice(1)}function handleOpen(state,open,close,closeBefore){let dont=null,changes=state.changeByRange(range=>{if(!range.empty)return{changes:[{insert:open,from:range.from},{insert:close,from:range.to}],effects:closeBracketEffect.of(range.to+open.length),range:EditorSelection.range(range.anchor+open.length,range.head+open.length)};let next=nextChar(state.doc,range.head);if(!next||/\s/.test(next)||closeBefore.indexOf(next)>-1)return{changes:{insert:open+close,from:range.head},effects:closeBracketEffect.of(range.head+open.length),range:EditorSelection.cursor(range.head+open.length)};return{range:dont=range}});return dont?null:state.update(changes,{scrollIntoView:true,userEvent:"input.type"})}function handleClose(state,_open,close){let dont=null,moved=state.selection.ranges.map(range=>{if(range.empty&&nextChar(state.doc,range.head)==close)return EditorSelection.cursor(range.head+close.length);return dont=range});return dont?null:state.update({selection:EditorSelection.create(moved,state.selection.mainIndex),scrollIntoView:true,effects:state.selection.ranges.map(({from})=>skipBracketEffect.of(from))})}function handleSame(state,token,allowTriple,config){let stringPrefixes=config.stringPrefixes||defaults.stringPrefixes;let dont=null,changes=state.changeByRange(range=>{if(!range.empty)return{changes:[{insert:token,from:range.from},{insert:token,from:range.to}],effects:closeBracketEffect.of(range.to+token.length),range:EditorSelection.range(range.anchor+token.length,range.head+token.length)};let pos=range.head,next=nextChar(state.doc,pos),start;if(next==token){if(nodeStart(state,pos)){return{changes:{insert:token+token,from:pos},effects:closeBracketEffect.of(pos+token.length),range:EditorSelection.cursor(pos+token.length)}}else if(closedBracketAt(state,pos)){let isTriple=allowTriple&&state.sliceDoc(pos,pos+token.length*3)==token+token+token;return{range:EditorSelection.cursor(pos+token.length*(isTriple?3:1)),effects:skipBracketEffect.of(pos)}}}else if(allowTriple&&state.sliceDoc(pos-2*token.length,pos)==token+token&&(start=canStartStringAt(state,pos-2*token.length,stringPrefixes))>-1&&nodeStart(state,start)){return{changes:{insert:token+token+token+token,from:pos},effects:closeBracketEffect.of(pos+token.length),range:EditorSelection.cursor(pos+token.length)}}else if(state.charCategorizer(pos)(next)!=CharCategory.Word){if(canStartStringAt(state,pos,stringPrefixes)>-1&&!probablyInString(state,pos,token,stringPrefixes))return{changes:{insert:token+token,from:pos},effects:closeBracketEffect.of(pos+token.length),range:EditorSelection.cursor(pos+token.length)}}return{range:dont=range}});return dont?null:state.update(changes,{scrollIntoView:true,userEvent:"input.type"})}function nodeStart(state,pos){let tree=syntaxTree(state).resolveInner(pos+1);return tree.parent&&tree.from==pos}function probablyInString(state,pos,quoteToken,prefixes){let node=syntaxTree(state).resolveInner(pos,-1);let maxPrefix=prefixes.reduce((m,p)=>Math.max(m,p.length),0);for(let i=0;i<5;i++){let start=state.sliceDoc(node.from,Math.min(node.to,node.from+quoteToken.length+maxPrefix));let quotePos=start.indexOf(quoteToken);if(!quotePos||quotePos>-1&&prefixes.indexOf(start.slice(0,quotePos))>-1){let first=node.firstChild;while(first&&first.from==node.from&&first.to-first.from>quoteToken.length+quotePos){if(state.sliceDoc(first.to-quoteToken.length,first.to)==quoteToken)return false;first=first.firstChild}return true}let parent=node.to==pos&&node.parent;if(!parent)break;node=parent}return false}function canStartStringAt(state,pos,prefixes){let charCat=state.charCategorizer(pos);if(charCat(state.sliceDoc(pos-1,pos))!=CharCategory.Word)return pos;for(let prefix of prefixes){let start=pos-prefix.length;if(state.sliceDoc(start,pos)==prefix&&charCat(state.sliceDoc(start-1,start))!=CharCategory.Word)return start}return-1}function autocompletion(config={}){return[completionState,completionConfig.of(config),completionPlugin,completionKeymapExt,baseTheme]}const completionKeymap=[{key:"Ctrl-Space",run:startCompletion},{key:"Escape",run:closeCompletion},{key:"ArrowDown",run:moveCompletionSelection(true)},{key:"ArrowUp",run:moveCompletionSelection(false)},{key:"PageDown",run:moveCompletionSelection(true,"page")},{key:"PageUp",run:moveCompletionSelection(false,"page")},{key:"Enter",run:acceptCompletion}];const completionKeymapExt=Prec.highest(keymap.computeN([completionConfig],state=>state.facet(completionConfig).defaultKeymap?[completionKeymap]:[]));function completionStatus(state){let cState=state.field(completionState,false);return cState&&cState.active.some(a=>a.state==1)?"pending":cState&&cState.active.some(a=>a.state!=0)?"active":null}const completionArrayCache=new WeakMap;function currentCompletions(state){var _a;let open=(_a=state.field(completionState,false))===null||_a===void 0?void 0:_a.open;if(!open)return[];let completions=completionArrayCache.get(open.options);if(!completions)completionArrayCache.set(open.options,completions=open.options.map(o=>o.completion));return completions}function selectedCompletion(state){var _a;let open=(_a=state.field(completionState,false))===null||_a===void 0?void 0:_a.open;return open&&open.selected>=0?open.options[open.selected].completion:null}function selectedCompletionIndex(state){var _a;let open=(_a=state.field(completionState,false))===null||_a===void 0?void 0:_a.open;return open&&open.selected>=0?open.selected:null}function setSelectedCompletion(index){return setSelectedEffect.of(index)}export{CompletionContext,acceptCompletion,autocompletion,clearSnippet,closeBrackets,closeBracketsKeymap,closeCompletion,completeAnyWord,completeFromList,completionKeymap,completionStatus,currentCompletions,deleteBracketPair,ifIn,ifNotIn,insertBracket,insertCompletionText,moveCompletionSelection,nextSnippetField,pickedCompletion,prevSnippetField,selectedCompletion,selectedCompletionIndex,setSelectedCompletion,snippet,snippetCompletion,snippetKeymap,startCompletion};