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1 lines
66 KiB
1 lines
66 KiB
class Text{constructor(){}lineAt(pos){if(pos<0||pos>this.length)throw new RangeError(`Invalid position ${pos} in document of length ${this.length}`);return this.lineInner(pos,false,1,0)}line(n){if(n<1||n>this.lines)throw new RangeError(`Invalid line number ${n} in ${this.lines}-line document`);return this.lineInner(n,true,1,0)}replace(from,to,text){let parts=[];this.decompose(0,from,parts,2);if(text.length)text.decompose(0,text.length,parts,1|2);this.decompose(to,this.length,parts,1);return TextNode.from(parts,this.length-(to-from)+text.length)}append(other){return this.replace(this.length,this.length,other)}slice(from,to=this.length){let parts=[];this.decompose(from,to,parts,0);return TextNode.from(parts,to-from)}eq(other){if(other==this)return true;if(other.length!=this.length||other.lines!=this.lines)return false;let start=this.scanIdentical(other,1),end=this.length-this.scanIdentical(other,-1);let a=new RawTextCursor(this),b=new RawTextCursor(other);for(let skip=start,pos=start;;){a.next(skip);b.next(skip);skip=0;if(a.lineBreak!=b.lineBreak||a.done!=b.done||a.value!=b.value)return false;pos+=a.value.length;if(a.done||pos>=end)return true}}iter(dir=1){return new RawTextCursor(this,dir)}iterRange(from,to=this.length){return new PartialTextCursor(this,from,to)}iterLines(from,to){let inner;if(from==null){inner=this.iter()}else{if(to==null)to=this.lines+1;let start=this.line(from).from;inner=this.iterRange(start,Math.max(start,to==this.lines+1?this.length:to<=1?0:this.line(to-1).to))}return new LineCursor(inner)}toString(){return this.sliceString(0)}toJSON(){let lines=[];this.flatten(lines);return lines}static of(text){if(text.length==0)throw new RangeError("A document must have at least one line");if(text.length==1&&!text[0])return Text.empty;return text.length<=32?new TextLeaf(text):TextNode.from(TextLeaf.split(text,[]))}}class TextLeaf extends Text{constructor(text,length=textLength(text)){super();this.text=text;this.length=length}get lines(){return this.text.length}get children(){return null}lineInner(target,isLine,line,offset){for(let i=0;;i++){let string=this.text[i],end=offset+string.length;if((isLine?line:end)>=target)return new Line(offset,end,line,string);offset=end+1;line++}}decompose(from,to,target,open){let text=from<=0&&to>=this.length?this:new TextLeaf(sliceText(this.text,from,to),Math.min(to,this.length)-Math.max(0,from));if(open&1){let prev=target.pop();let joined=appendText(text.text,prev.text.slice(),0,text.length);if(joined.length<=32){target.push(new TextLeaf(joined,prev.length+text.length))}else{let mid=joined.length>>1;target.push(new TextLeaf(joined.slice(0,mid)),new TextLeaf(joined.slice(mid)))}}else{target.push(text)}}replace(from,to,text){if(!(text instanceof TextLeaf))return super.replace(from,to,text);let lines=appendText(this.text,appendText(text.text,sliceText(this.text,0,from)),to);let newLen=this.length+text.length-(to-from);if(lines.length<=32)return new TextLeaf(lines,newLen);return TextNode.from(TextLeaf.split(lines,[]),newLen)}sliceString(from,to=this.length,lineSep="\n"){let result="";for(let pos=0,i=0;pos<=to&&i<this.text.length;i++){let line=this.text[i],end=pos+line.length;if(pos>from&&i)result+=lineSep;if(from<end&&to>pos)result+=line.slice(Math.max(0,from-pos),to-pos);pos=end+1}return result}flatten(target){for(let line of this.text)target.push(line)}scanIdentical(){return 0}static split(text,target){let part=[],len=-1;for(let line of text){part.push(line);len+=line.length+1;if(part.length==32){target.push(new TextLeaf(part,len));part=[];len=-1}}if(len>-1)target.push(new TextLeaf(part,len));return target}}class TextNode extends Text{constructor(children,length){super();this.children=children;this.length=length;this.lines=0;for(let child of children)this.lines+=child.lines}lineInner(target,isLine,line,offset){for(let i=0;;i++){let child=this.children[i],end=offset+child.length,endLine=line+child.lines-1;if((isLine?endLine:end)>=target)return child.lineInner(target,isLine,line,offset);offset=end+1;line=endLine+1}}decompose(from,to,target,open){for(let i=0,pos=0;pos<=to&&i<this.children.length;i++){let child=this.children[i],end=pos+child.length;if(from<=end&&to>=pos){let childOpen=open&((pos<=from?1:0)|(end>=to?2:0));if(pos>=from&&end<=to&&!childOpen)target.push(child);else child.decompose(from-pos,to-pos,target,childOpen)}pos=end+1}}replace(from,to,text){if(text.lines<this.lines)for(let i=0,pos=0;i<this.children.length;i++){let child=this.children[i],end=pos+child.length;if(from>=pos&&to<=end){let updated=child.replace(from-pos,to-pos,text);let totalLines=this.lines-child.lines+updated.lines;if(updated.lines<totalLines>>5-1&&updated.lines>totalLines>>5+1){let copy=this.children.slice();copy[i]=updated;return new TextNode(copy,this.length-(to-from)+text.length)}return super.replace(pos,end,updated)}pos=end+1}return super.replace(from,to,text)}sliceString(from,to=this.length,lineSep="\n"){let result="";for(let i=0,pos=0;i<this.children.length&&pos<=to;i++){let child=this.children[i],end=pos+child.length;if(pos>from&&i)result+=lineSep;if(from<end&&to>pos)result+=child.sliceString(from-pos,to-pos,lineSep);pos=end+1}return result}flatten(target){for(let child of this.children)child.flatten(target)}scanIdentical(other,dir){if(!(other instanceof TextNode))return 0;let length=0;let[iA,iB,eA,eB]=dir>0?[0,0,this.children.length,other.children.length]:[this.children.length-1,other.children.length-1,-1,-1];for(;;iA+=dir,iB+=dir){if(iA==eA||iB==eB)return length;let chA=this.children[iA],chB=other.children[iB];if(chA!=chB)return length+chA.scanIdentical(chB,dir);length+=chA.length+1}}static from(children,length=children.reduce((l,ch)=>l+ch.length+1,-1)){let lines=0;for(let ch of children)lines+=ch.lines;if(lines<32){let flat=[];for(let ch of children)ch.flatten(flat);return new TextLeaf(flat,length)}let chunk=Math.max(32,lines>>5),maxChunk=chunk<<1,minChunk=chunk>>1;let chunked=[],currentLines=0,currentLen=-1,currentChunk=[];function add(child){let last;if(child.lines>maxChunk&&child instanceof TextNode){for(let node of child.children)add(node)}else if(child.lines>minChunk&&(currentLines>minChunk||!currentLines)){flush();chunked.push(child)}else if(child instanceof TextLeaf&¤tLines&&(last=currentChunk[currentChunk.length-1])instanceof TextLeaf&&child.lines+last.lines<=32){currentLines+=child.lines;currentLen+=child.length+1;currentChunk[currentChunk.length-1]=new TextLeaf(last.text.concat(child.text),last.length+1+child.length)}else{if(currentLines+child.lines>chunk)flush();currentLines+=child.lines;currentLen+=child.length+1;currentChunk.push(child)}}function flush(){if(currentLines==0)return;chunked.push(currentChunk.length==1?currentChunk[0]:TextNode.from(currentChunk,currentLen));currentLen=-1;currentLines=currentChunk.length=0}for(let child of children)add(child);flush();return chunked.length==1?chunked[0]:new TextNode(chunked,length)}}Text.empty=new TextLeaf([""],0);function textLength(text){let length=-1;for(let line of text)length+=line.length+1;return length}function appendText(text,target,from=0,to=1e9){for(let pos=0,i=0,first=true;i<text.length&&pos<=to;i++){let line=text[i],end=pos+line.length;if(end>=from){if(end>to)line=line.slice(0,to-pos);if(pos<from)line=line.slice(from-pos);if(first){target[target.length-1]+=line;first=false}else target.push(line)}pos=end+1}return target}function sliceText(text,from,to){return appendText(text,[""],from,to)}class RawTextCursor{constructor(text,dir=1){this.dir=dir;this.done=false;this.lineBreak=false;this.value="";this.nodes=[text];this.offsets=[dir>0?1:(text instanceof TextLeaf?text.text.length:text.children.length)<<1]}nextInner(skip,dir){this.done=this.lineBreak=false;for(;;){let last=this.nodes.length-1;let top=this.nodes[last],offsetValue=this.offsets[last],offset=offsetValue>>1;let size=top instanceof TextLeaf?top.text.length:top.children.length;if(offset==(dir>0?size:0)){if(last==0){this.done=true;this.value="";return this}if(dir>0)this.offsets[last-1]++;this.nodes.pop();this.offsets.pop()}else if((offsetValue&1)==(dir>0?0:1)){this.offsets[last]+=dir;if(skip==0){this.lineBreak=true;this.value="\n";return this}skip--}else if(top instanceof TextLeaf){let next=top.text[offset+(dir<0?-1:0)];this.offsets[last]+=dir;if(next.length>Math.max(0,skip)){this.value=skip==0?next:dir>0?next.slice(skip):next.slice(0,next.length-skip);return this}skip-=next.length}else{let next=top.children[offset+(dir<0?-1:0)];if(skip>next.length){skip-=next.length;this.offsets[last]+=dir}else{if(dir<0)this.offsets[last]--;this.nodes.push(next);this.offsets.push(dir>0?1:(next instanceof TextLeaf?next.text.length:next.children.length)<<1)}}}}next(skip=0){if(skip<0){this.nextInner(-skip,-this.dir);skip=this.value.length}return this.nextInner(skip,this.dir)}}class PartialTextCursor{constructor(text,start,end){this.value="";this.done=false;this.cursor=new RawTextCursor(text,start>end?-1:1);this.pos=start>end?text.length:0;this.from=Math.min(start,end);this.to=Math.max(start,end)}nextInner(skip,dir){if(dir<0?this.pos<=this.from:this.pos>=this.to){this.value="";this.done=true;return this}skip+=Math.max(0,dir<0?this.pos-this.to:this.from-this.pos);let limit=dir<0?this.pos-this.from:this.to-this.pos;if(skip>limit)skip=limit;limit-=skip;let{value}=this.cursor.next(skip);this.pos+=(value.length+skip)*dir;this.value=value.length<=limit?value:dir<0?value.slice(value.length-limit):value.slice(0,limit);this.done=!this.value;return this}next(skip=0){if(skip<0)skip=Math.max(skip,this.from-this.pos);else if(skip>0)skip=Math.min(skip,this.to-this.pos);return this.nextInner(skip,this.cursor.dir)}get lineBreak(){return this.cursor.lineBreak&&this.value!=""}}class LineCursor{constructor(inner){this.inner=inner;this.afterBreak=true;this.value="";this.done=false}next(skip=0){let{done,lineBreak,value}=this.inner.next(skip);if(done){this.done=true;this.value=""}else if(lineBreak){if(this.afterBreak){this.value=""}else{this.afterBreak=true;this.next()}}else{this.value=value;this.afterBreak=false}return this}get lineBreak(){return false}}if(typeof Symbol!="undefined"){Text.prototype[Symbol.iterator]=function(){return this.iter()};RawTextCursor.prototype[Symbol.iterator]=PartialTextCursor.prototype[Symbol.iterator]=LineCursor.prototype[Symbol.iterator]=function(){return this}}class Line{constructor(from,to,number,text){this.from=from;this.to=to;this.number=number;this.text=text}get length(){return this.to-this.from}}let extend="lc,34,7n,7,7b,19,,,,2,,2,,,20,b,1c,l,g,,2t,7,2,6,2,2,,4,z,,u,r,2j,b,1m,9,9,,o,4,,9,,3,,5,17,3,3b,f,,w,1j,,,,4,8,4,,3,7,a,2,t,,1m,,,,2,4,8,,9,,a,2,q,,2,2,1l,,4,2,4,2,2,3,3,,u,2,3,,b,2,1l,,4,5,,2,4,,k,2,m,6,,,1m,,,2,,4,8,,7,3,a,2,u,,1n,,,,c,,9,,14,,3,,1l,3,5,3,,4,7,2,b,2,t,,1m,,2,,2,,3,,5,2,7,2,b,2,s,2,1l,2,,,2,4,8,,9,,a,2,t,,20,,4,,2,3,,,8,,29,,2,7,c,8,2q,,2,9,b,6,22,2,r,,,,,,1j,e,,5,,2,5,b,,10,9,,2u,4,,6,,2,2,2,p,2,4,3,g,4,d,,2,2,6,,f,,jj,3,qa,3,t,3,t,2,u,2,1s,2,,7,8,,2,b,9,,19,3,3b,2,y,,3a,3,4,2,9,,6,3,63,2,2,,1m,,,7,,,,,2,8,6,a,2,,1c,h,1r,4,1c,7,,,5,,14,9,c,2,w,4,2,2,,3,1k,,,2,3,,,3,1m,8,2,2,48,3,,d,,7,4,,6,,3,2,5i,1m,,5,ek,,5f,x,2da,3,3x,,2o,w,fe,6,2x,2,n9w,4,,a,w,2,28,2,7k,,3,,4,,p,2,5,,47,2,q,i,d,,12,8,p,b,1a,3,1c,,2,4,2,2,13,,1v,6,2,2,2,2,c,,8,,1b,,1f,,,3,2,2,5,2,,,16,2,8,,6m,,2,,4,,fn4,,kh,g,g,g,a6,2,gt,,6a,,45,5,1ae,3,,2,5,4,14,3,4,,4l,2,fx,4,ar,2,49,b,4w,,1i,f,1k,3,1d,4,2,2,1x,3,10,5,,8,1q,,c,2,1g,9,a,4,2,,2n,3,2,,,2,6,,4g,,3,8,l,2,1l,2,,,,,m,,e,7,3,5,5f,8,2,3,,,n,,29,,2,6,,,2,,,2,,2,6j,,2,4,6,2,,2,r,2,2d,8,2,,,2,2y,,,,2,6,,,2t,3,2,4,,5,77,9,,2,6t,,a,2,,,4,,40,4,2,2,4,,w,a,14,6,2,4,8,,9,6,2,3,1a,d,,2,ba,7,,6,,,2a,m,2,7,,2,,2,3e,6,3,,,2,,7,,,20,2,3,,,,9n,2,f0b,5,1n,7,t4,,1r,4,29,,f5k,2,43q,,,3,4,5,8,8,2,7,u,4,44,3,1iz,1j,4,1e,8,,e,,m,5,,f,11s,7,,h,2,7,,2,,5,79,7,c5,4,15s,7,31,7,240,5,gx7k,2o,3k,6o".split(",").map(s=>s?parseInt(s,36):1);for(let i=1;i<extend.length;i++)extend[i]+=extend[i-1];function isExtendingChar(code){for(let i=1;i<extend.length;i+=2)if(extend[i]>code)return extend[i-1]<=code;return false}function isRegionalIndicator(code){return code>=127462&&code<=127487}const ZWJ=8205;function findClusterBreak(str,pos,forward=true,includeExtending=true){return(forward?nextClusterBreak:prevClusterBreak)(str,pos,includeExtending)}function nextClusterBreak(str,pos,includeExtending){if(pos==str.length)return pos;if(pos&&surrogateLow(str.charCodeAt(pos))&&surrogateHigh(str.charCodeAt(pos-1)))pos--;let prev=codePointAt(str,pos);pos+=codePointSize(prev);while(pos<str.length){let next=codePointAt(str,pos);if(prev==ZWJ||next==ZWJ||includeExtending&&isExtendingChar(next)){pos+=codePointSize(next);prev=next}else if(isRegionalIndicator(next)){let countBefore=0,i=pos-2;while(i>=0&&isRegionalIndicator(codePointAt(str,i))){countBefore++;i-=2}if(countBefore%2==0)break;else pos+=2}else{break}}return pos}function prevClusterBreak(str,pos,includeExtending){while(pos>0){let found=nextClusterBreak(str,pos-2,includeExtending);if(found<pos)return found;pos--}return 0}function surrogateLow(ch){return ch>=56320&&ch<57344}function surrogateHigh(ch){return ch>=55296&&ch<56320}function codePointAt(str,pos){let code0=str.charCodeAt(pos);if(!surrogateHigh(code0)||pos+1==str.length)return code0;let code1=str.charCodeAt(pos+1);if(!surrogateLow(code1))return code0;return(code0-55296<<10)+(code1-56320)+65536}function fromCodePoint(code){if(code<=65535)return String.fromCharCode(code);code-=65536;return String.fromCharCode((code>>10)+55296,(code&1023)+56320)}function codePointSize(code){return code<65536?1:2}const DefaultSplit=/\r\n?|\n/;var MapMode=function(MapMode){MapMode[MapMode["Simple"]=0]="Simple";MapMode[MapMode["TrackDel"]=1]="TrackDel";MapMode[MapMode["TrackBefore"]=2]="TrackBefore";MapMode[MapMode["TrackAfter"]=3]="TrackAfter";return MapMode}(MapMode||(MapMode={}));class ChangeDesc{constructor(sections){this.sections=sections}get length(){let result=0;for(let i=0;i<this.sections.length;i+=2)result+=this.sections[i];return result}get newLength(){let result=0;for(let i=0;i<this.sections.length;i+=2){let ins=this.sections[i+1];result+=ins<0?this.sections[i]:ins}return result}get empty(){return this.sections.length==0||this.sections.length==2&&this.sections[1]<0}iterGaps(f){for(let i=0,posA=0,posB=0;i<this.sections.length;){let len=this.sections[i++],ins=this.sections[i++];if(ins<0){f(posA,posB,len);posB+=len}else{posB+=ins}posA+=len}}iterChangedRanges(f,individual=false){iterChanges(this,f,individual)}get invertedDesc(){let sections=[];for(let i=0;i<this.sections.length;){let len=this.sections[i++],ins=this.sections[i++];if(ins<0)sections.push(len,ins);else sections.push(ins,len)}return new ChangeDesc(sections)}composeDesc(other){return this.empty?other:other.empty?this:composeSets(this,other)}mapDesc(other,before=false){return other.empty?this:mapSet(this,other,before)}mapPos(pos,assoc=-1,mode=MapMode.Simple){let posA=0,posB=0;for(let i=0;i<this.sections.length;){let len=this.sections[i++],ins=this.sections[i++],endA=posA+len;if(ins<0){if(endA>pos)return posB+(pos-posA);posB+=len}else{if(mode!=MapMode.Simple&&endA>=pos&&(mode==MapMode.TrackDel&&posA<pos&&endA>pos||mode==MapMode.TrackBefore&&posA<pos||mode==MapMode.TrackAfter&&endA>pos))return null;if(endA>pos||endA==pos&&assoc<0&&!len)return pos==posA||assoc<0?posB:posB+ins;posB+=ins}posA=endA}if(pos>posA)throw new RangeError(`Position ${pos} is out of range for changeset of length ${posA}`);return posB}touchesRange(from,to=from){for(let i=0,pos=0;i<this.sections.length&&pos<=to;){let len=this.sections[i++],ins=this.sections[i++],end=pos+len;if(ins>=0&&pos<=to&&end>=from)return pos<from&&end>to?"cover":true;pos=end}return false}toString(){let result="";for(let i=0;i<this.sections.length;){let len=this.sections[i++],ins=this.sections[i++];result+=(result?" ":"")+len+(ins>=0?":"+ins:"")}return result}toJSON(){return this.sections}static fromJSON(json){if(!Array.isArray(json)||json.length%2||json.some(a=>typeof a!="number"))throw new RangeError("Invalid JSON representation of ChangeDesc");return new ChangeDesc(json)}static create(sections){return new ChangeDesc(sections)}}class ChangeSet extends ChangeDesc{constructor(sections,inserted){super(sections);this.inserted=inserted}apply(doc){if(this.length!=doc.length)throw new RangeError("Applying change set to a document with the wrong length");iterChanges(this,(fromA,toA,fromB,_toB,text)=>doc=doc.replace(fromB,fromB+(toA-fromA),text),false);return doc}mapDesc(other,before=false){return mapSet(this,other,before,true)}invert(doc){let sections=this.sections.slice(),inserted=[];for(let i=0,pos=0;i<sections.length;i+=2){let len=sections[i],ins=sections[i+1];if(ins>=0){sections[i]=ins;sections[i+1]=len;let index=i>>1;while(inserted.length<index)inserted.push(Text.empty);inserted.push(len?doc.slice(pos,pos+len):Text.empty)}pos+=len}return new ChangeSet(sections,inserted)}compose(other){return this.empty?other:other.empty?this:composeSets(this,other,true)}map(other,before=false){return other.empty?this:mapSet(this,other,before,true)}iterChanges(f,individual=false){iterChanges(this,f,individual)}get desc(){return ChangeDesc.create(this.sections)}filter(ranges){let resultSections=[],resultInserted=[],filteredSections=[];let iter=new SectionIter(this);done:for(let i=0,pos=0;;){let next=i==ranges.length?1e9:ranges[i++];while(pos<next||pos==next&&iter.len==0){if(iter.done)break done;let len=Math.min(iter.len,next-pos);addSection(filteredSections,len,-1);let ins=iter.ins==-1?-1:iter.off==0?iter.ins:0;addSection(resultSections,len,ins);if(ins>0)addInsert(resultInserted,resultSections,iter.text);iter.forward(len);pos+=len}let end=ranges[i++];while(pos<end){if(iter.done)break done;let len=Math.min(iter.len,end-pos);addSection(resultSections,len,-1);addSection(filteredSections,len,iter.ins==-1?-1:iter.off==0?iter.ins:0);iter.forward(len);pos+=len}}return{changes:new ChangeSet(resultSections,resultInserted),filtered:ChangeDesc.create(filteredSections)}}toJSON(){let parts=[];for(let i=0;i<this.sections.length;i+=2){let len=this.sections[i],ins=this.sections[i+1];if(ins<0)parts.push(len);else if(ins==0)parts.push([len]);else parts.push([len].concat(this.inserted[i>>1].toJSON()))}return parts}static of(changes,length,lineSep){let sections=[],inserted=[],pos=0;let total=null;function flush(force=false){if(!force&&!sections.length)return;if(pos<length)addSection(sections,length-pos,-1);let set=new ChangeSet(sections,inserted);total=total?total.compose(set.map(total)):set;sections=[];inserted=[];pos=0}function process(spec){if(Array.isArray(spec)){for(let sub of spec)process(sub)}else if(spec instanceof ChangeSet){if(spec.length!=length)throw new RangeError(`Mismatched change set length (got ${spec.length}, expected ${length})`);flush();total=total?total.compose(spec.map(total)):spec}else{let{from,to=from,insert}=spec;if(from>to||from<0||to>length)throw new RangeError(`Invalid change range ${from} to ${to} (in doc of length ${length})`);let insText=!insert?Text.empty:typeof insert=="string"?Text.of(insert.split(lineSep||DefaultSplit)):insert;let insLen=insText.length;if(from==to&&insLen==0)return;if(from<pos)flush();if(from>pos)addSection(sections,from-pos,-1);addSection(sections,to-from,insLen);addInsert(inserted,sections,insText);pos=to}}process(changes);flush(!total);return total}static empty(length){return new ChangeSet(length?[length,-1]:[],[])}static fromJSON(json){if(!Array.isArray(json))throw new RangeError("Invalid JSON representation of ChangeSet");let sections=[],inserted=[];for(let i=0;i<json.length;i++){let part=json[i];if(typeof part=="number"){sections.push(part,-1)}else if(!Array.isArray(part)||typeof part[0]!="number"||part.some((e,i)=>i&&typeof e!="string")){throw new RangeError("Invalid JSON representation of ChangeSet")}else if(part.length==1){sections.push(part[0],0)}else{while(inserted.length<i)inserted.push(Text.empty);inserted[i]=Text.of(part.slice(1));sections.push(part[0],inserted[i].length)}}return new ChangeSet(sections,inserted)}static createSet(sections,inserted){return new ChangeSet(sections,inserted)}}function addSection(sections,len,ins,forceJoin=false){if(len==0&&ins<=0)return;let last=sections.length-2;if(last>=0&&ins<=0&&ins==sections[last+1])sections[last]+=len;else if(len==0&§ions[last]==0)sections[last+1]+=ins;else if(forceJoin){sections[last]+=len;sections[last+1]+=ins}else sections.push(len,ins)}function addInsert(values,sections,value){if(value.length==0)return;let index=sections.length-2>>1;if(index<values.length){values[values.length-1]=values[values.length-1].append(value)}else{while(values.length<index)values.push(Text.empty);values.push(value)}}function iterChanges(desc,f,individual){let inserted=desc.inserted;for(let posA=0,posB=0,i=0;i<desc.sections.length;){let len=desc.sections[i++],ins=desc.sections[i++];if(ins<0){posA+=len;posB+=len}else{let endA=posA,endB=posB,text=Text.empty;for(;;){endA+=len;endB+=ins;if(ins&&inserted)text=text.append(inserted[i-2>>1]);if(individual||i==desc.sections.length||desc.sections[i+1]<0)break;len=desc.sections[i++];ins=desc.sections[i++]}f(posA,endA,posB,endB,text);posA=endA;posB=endB}}}function mapSet(setA,setB,before,mkSet=false){let sections=[],insert=mkSet?[]:null;let a=new SectionIter(setA),b=new SectionIter(setB);for(let inserted=-1;;){if(a.ins==-1&&b.ins==-1){let len=Math.min(a.len,b.len);addSection(sections,len,-1);a.forward(len);b.forward(len)}else if(b.ins>=0&&(a.ins<0||inserted==a.i||a.off==0&&(b.len<a.len||b.len==a.len&&!before))){let len=b.len;addSection(sections,b.ins,-1);while(len){let piece=Math.min(a.len,len);if(a.ins>=0&&inserted<a.i&&a.len<=piece){addSection(sections,0,a.ins);if(insert)addInsert(insert,sections,a.text);inserted=a.i}a.forward(piece);len-=piece}b.next()}else if(a.ins>=0){let len=0,left=a.len;while(left){if(b.ins==-1){let piece=Math.min(left,b.len);len+=piece;left-=piece;b.forward(piece)}else if(b.ins==0&&b.len<left){left-=b.len;b.next()}else{break}}addSection(sections,len,inserted<a.i?a.ins:0);if(insert&&inserted<a.i)addInsert(insert,sections,a.text);inserted=a.i;a.forward(a.len-left)}else if(a.done&&b.done){return insert?ChangeSet.createSet(sections,insert):ChangeDesc.create(sections)}else{throw new Error("Mismatched change set lengths")}}}function composeSets(setA,setB,mkSet=false){let sections=[];let insert=mkSet?[]:null;let a=new SectionIter(setA),b=new SectionIter(setB);for(let open=false;;){if(a.done&&b.done){return insert?ChangeSet.createSet(sections,insert):ChangeDesc.create(sections)}else if(a.ins==0){addSection(sections,a.len,0,open);a.next()}else if(b.len==0&&!b.done){addSection(sections,0,b.ins,open);if(insert)addInsert(insert,sections,b.text);b.next()}else if(a.done||b.done){throw new Error("Mismatched change set lengths")}else{let len=Math.min(a.len2,b.len),sectionLen=sections.length;if(a.ins==-1){let insB=b.ins==-1?-1:b.off?0:b.ins;addSection(sections,len,insB,open);if(insert&&insB)addInsert(insert,sections,b.text)}else if(b.ins==-1){addSection(sections,a.off?0:a.len,len,open);if(insert)addInsert(insert,sections,a.textBit(len))}else{addSection(sections,a.off?0:a.len,b.off?0:b.ins,open);if(insert&&!b.off)addInsert(insert,sections,b.text)}open=(a.ins>len||b.ins>=0&&b.len>len)&&(open||sections.length>sectionLen);a.forward2(len);b.forward(len)}}}class SectionIter{constructor(set){this.set=set;this.i=0;this.next()}next(){let{sections}=this.set;if(this.i<sections.length){this.len=sections[this.i++];this.ins=sections[this.i++]}else{this.len=0;this.ins=-2}this.off=0}get done(){return this.ins==-2}get len2(){return this.ins<0?this.len:this.ins}get text(){let{inserted}=this.set,index=this.i-2>>1;return index>=inserted.length?Text.empty:inserted[index]}textBit(len){let{inserted}=this.set,index=this.i-2>>1;return index>=inserted.length&&!len?Text.empty:inserted[index].slice(this.off,len==null?undefined:this.off+len)}forward(len){if(len==this.len)this.next();else{this.len-=len;this.off+=len}}forward2(len){if(this.ins==-1)this.forward(len);else if(len==this.ins)this.next();else{this.ins-=len;this.off+=len}}}class SelectionRange{constructor(from,to,flags){this.from=from;this.to=to;this.flags=flags}get anchor(){return this.flags&16?this.to:this.from}get head(){return this.flags&16?this.from:this.to}get empty(){return this.from==this.to}get assoc(){return this.flags&4?-1:this.flags&8?1:0}get bidiLevel(){let level=this.flags&3;return level==3?null:level}get goalColumn(){let value=this.flags>>5;return value==33554431?undefined:value}map(change,assoc=-1){let from,to;if(this.empty){from=to=change.mapPos(this.from,assoc)}else{from=change.mapPos(this.from,1);to=change.mapPos(this.to,-1)}return from==this.from&&to==this.to?this:new SelectionRange(from,to,this.flags)}extend(from,to=from){if(from<=this.anchor&&to>=this.anchor)return EditorSelection.range(from,to);let head=Math.abs(from-this.anchor)>Math.abs(to-this.anchor)?from:to;return EditorSelection.range(this.anchor,head)}eq(other){return this.anchor==other.anchor&&this.head==other.head}toJSON(){return{anchor:this.anchor,head:this.head}}static fromJSON(json){if(!json||typeof json.anchor!="number"||typeof json.head!="number")throw new RangeError("Invalid JSON representation for SelectionRange");return EditorSelection.range(json.anchor,json.head)}static create(from,to,flags){return new SelectionRange(from,to,flags)}}class EditorSelection{constructor(ranges,mainIndex){this.ranges=ranges;this.mainIndex=mainIndex}map(change,assoc=-1){if(change.empty)return this;return EditorSelection.create(this.ranges.map(r=>r.map(change,assoc)),this.mainIndex)}eq(other){if(this.ranges.length!=other.ranges.length||this.mainIndex!=other.mainIndex)return false;for(let i=0;i<this.ranges.length;i++)if(!this.ranges[i].eq(other.ranges[i]))return false;return true}get main(){return this.ranges[this.mainIndex]}asSingle(){return this.ranges.length==1?this:new EditorSelection([this.main],0)}addRange(range,main=true){return EditorSelection.create([range].concat(this.ranges),main?0:this.mainIndex+1)}replaceRange(range,which=this.mainIndex){let ranges=this.ranges.slice();ranges[which]=range;return EditorSelection.create(ranges,this.mainIndex)}toJSON(){return{ranges:this.ranges.map(r=>r.toJSON()),main:this.mainIndex}}static fromJSON(json){if(!json||!Array.isArray(json.ranges)||typeof json.main!="number"||json.main>=json.ranges.length)throw new RangeError("Invalid JSON representation for EditorSelection");return new EditorSelection(json.ranges.map(r=>SelectionRange.fromJSON(r)),json.main)}static single(anchor,head=anchor){return new EditorSelection([EditorSelection.range(anchor,head)],0)}static create(ranges,mainIndex=0){if(ranges.length==0)throw new RangeError("A selection needs at least one range");for(let pos=0,i=0;i<ranges.length;i++){let range=ranges[i];if(range.empty?range.from<=pos:range.from<pos)return EditorSelection.normalized(ranges.slice(),mainIndex);pos=range.to}return new EditorSelection(ranges,mainIndex)}static cursor(pos,assoc=0,bidiLevel,goalColumn){return SelectionRange.create(pos,pos,(assoc==0?0:assoc<0?4:8)|(bidiLevel==null?3:Math.min(2,bidiLevel))|(goalColumn!==null&&goalColumn!==void 0?goalColumn:33554431)<<5)}static range(anchor,head,goalColumn){let goal=(goalColumn!==null&&goalColumn!==void 0?goalColumn:33554431)<<5;return head<anchor?SelectionRange.create(head,anchor,16|goal|8):SelectionRange.create(anchor,head,goal|(head>anchor?4:0))}static normalized(ranges,mainIndex=0){let main=ranges[mainIndex];ranges.sort((a,b)=>a.from-b.from);mainIndex=ranges.indexOf(main);for(let i=1;i<ranges.length;i++){let range=ranges[i],prev=ranges[i-1];if(range.empty?range.from<=prev.to:range.from<prev.to){let from=prev.from,to=Math.max(range.to,prev.to);if(i<=mainIndex)mainIndex--;ranges.splice(--i,2,range.anchor>range.head?EditorSelection.range(to,from):EditorSelection.range(from,to))}}return new EditorSelection(ranges,mainIndex)}}function checkSelection(selection,docLength){for(let range of selection.ranges)if(range.to>docLength)throw new RangeError("Selection points outside of document")}let nextID=0;class Facet{constructor(combine,compareInput,compare,isStatic,enables){this.combine=combine;this.compareInput=compareInput;this.compare=compare;this.isStatic=isStatic;this.id=nextID++;this.default=combine([]);this.extensions=typeof enables=="function"?enables(this):enables}static define(config={}){return new Facet(config.combine||(a=>a),config.compareInput||((a,b)=>a===b),config.compare||(!config.combine?sameArray:(a,b)=>a===b),!!config.static,config.enables)}of(value){return new FacetProvider([],this,0,value)}compute(deps,get){if(this.isStatic)throw new Error("Can't compute a static facet");return new FacetProvider(deps,this,1,get)}computeN(deps,get){if(this.isStatic)throw new Error("Can't compute a static facet");return new FacetProvider(deps,this,2,get)}from(field,get){if(!get)get=x=>x;return this.compute([field],state=>get(state.field(field)))}}function sameArray(a,b){return a==b||a.length==b.length&&a.every((e,i)=>e===b[i])}class FacetProvider{constructor(dependencies,facet,type,value){this.dependencies=dependencies;this.facet=facet;this.type=type;this.value=value;this.id=nextID++}dynamicSlot(addresses){var _a;let getter=this.value;let compare=this.facet.compareInput;let id=this.id,idx=addresses[id]>>1,multi=this.type==2;let depDoc=false,depSel=false,depAddrs=[];for(let dep of this.dependencies){if(dep=="doc")depDoc=true;else if(dep=="selection")depSel=true;else if((((_a=addresses[dep.id])!==null&&_a!==void 0?_a:1)&1)==0)depAddrs.push(addresses[dep.id])}return{create(state){state.values[idx]=getter(state);return 1},update(state,tr){if(depDoc&&tr.docChanged||depSel&&(tr.docChanged||tr.selection)||ensureAll(state,depAddrs)){let newVal=getter(state);if(multi?!compareArray(newVal,state.values[idx],compare):!compare(newVal,state.values[idx])){state.values[idx]=newVal;return 1}}return 0},reconfigure:(state,oldState)=>{let newVal=getter(state);let oldAddr=oldState.config.address[id];if(oldAddr!=null){let oldVal=getAddr(oldState,oldAddr);if(this.dependencies.every(dep=>{return dep instanceof Facet?oldState.facet(dep)===state.facet(dep):dep instanceof StateField?oldState.field(dep,false)==state.field(dep,false):true})||(multi?compareArray(newVal,oldVal,compare):compare(newVal,oldVal))){state.values[idx]=oldVal;return 0}}state.values[idx]=newVal;return 1}}}}function compareArray(a,b,compare){if(a.length!=b.length)return false;for(let i=0;i<a.length;i++)if(!compare(a[i],b[i]))return false;return true}function ensureAll(state,addrs){let changed=false;for(let addr of addrs)if(ensureAddr(state,addr)&1)changed=true;return changed}function dynamicFacetSlot(addresses,facet,providers){let providerAddrs=providers.map(p=>addresses[p.id]);let providerTypes=providers.map(p=>p.type);let dynamic=providerAddrs.filter(p=>!(p&1));let idx=addresses[facet.id]>>1;function get(state){let values=[];for(let i=0;i<providerAddrs.length;i++){let value=getAddr(state,providerAddrs[i]);if(providerTypes[i]==2)for(let val of value)values.push(val);else values.push(value)}return facet.combine(values)}return{create(state){for(let addr of providerAddrs)ensureAddr(state,addr);state.values[idx]=get(state);return 1},update(state,tr){if(!ensureAll(state,dynamic))return 0;let value=get(state);if(facet.compare(value,state.values[idx]))return 0;state.values[idx]=value;return 1},reconfigure(state,oldState){let depChanged=ensureAll(state,providerAddrs);let oldProviders=oldState.config.facets[facet.id],oldValue=oldState.facet(facet);if(oldProviders&&!depChanged&&sameArray(providers,oldProviders)){state.values[idx]=oldValue;return 0}let value=get(state);if(facet.compare(value,oldValue)){state.values[idx]=oldValue;return 0}state.values[idx]=value;return 1}}}const initField=Facet.define({static:true});class StateField{constructor(id,createF,updateF,compareF,spec){this.id=id;this.createF=createF;this.updateF=updateF;this.compareF=compareF;this.spec=spec;this.provides=undefined}static define(config){let field=new StateField(nextID++,config.create,config.update,config.compare||((a,b)=>a===b),config);if(config.provide)field.provides=config.provide(field);return field}create(state){let init=state.facet(initField).find(i=>i.field==this);return((init===null||init===void 0?void 0:init.create)||this.createF)(state)}slot(addresses){let idx=addresses[this.id]>>1;return{create:state=>{state.values[idx]=this.create(state);return 1},update:(state,tr)=>{let oldVal=state.values[idx];let value=this.updateF(oldVal,tr);if(this.compareF(oldVal,value))return 0;state.values[idx]=value;return 1},reconfigure:(state,oldState)=>{if(oldState.config.address[this.id]!=null){state.values[idx]=oldState.field(this);return 0}state.values[idx]=this.create(state);return 1}}}init(create){return[this,initField.of({field:this,create:create})]}get extension(){return this}}const Prec_={lowest:4,low:3,default:2,high:1,highest:0};function prec(value){return ext=>new PrecExtension(ext,value)}const Prec={highest:prec(Prec_.highest),high:prec(Prec_.high),default:prec(Prec_.default),low:prec(Prec_.low),lowest:prec(Prec_.lowest)};class PrecExtension{constructor(inner,prec){this.inner=inner;this.prec=prec}}class Compartment{of(ext){return new CompartmentInstance(this,ext)}reconfigure(content){return Compartment.reconfigure.of({compartment:this,extension:content})}get(state){return state.config.compartments.get(this)}}class CompartmentInstance{constructor(compartment,inner){this.compartment=compartment;this.inner=inner}}class Configuration{constructor(base,compartments,dynamicSlots,address,staticValues,facets){this.base=base;this.compartments=compartments;this.dynamicSlots=dynamicSlots;this.address=address;this.staticValues=staticValues;this.facets=facets;this.statusTemplate=[];while(this.statusTemplate.length<dynamicSlots.length)this.statusTemplate.push(0)}staticFacet(facet){let addr=this.address[facet.id];return addr==null?facet.default:this.staticValues[addr>>1]}static resolve(base,compartments,oldState){let fields=[];let facets=Object.create(null);let newCompartments=new Map;for(let ext of flatten(base,compartments,newCompartments)){if(ext instanceof StateField)fields.push(ext);else(facets[ext.facet.id]||(facets[ext.facet.id]=[])).push(ext)}let address=Object.create(null);let staticValues=[];let dynamicSlots=[];for(let field of fields){address[field.id]=dynamicSlots.length<<1;dynamicSlots.push(a=>field.slot(a))}let oldFacets=oldState===null||oldState===void 0?void 0:oldState.config.facets;for(let id in facets){let providers=facets[id],facet=providers[0].facet;let oldProviders=oldFacets&&oldFacets[id]||[];if(providers.every(p=>p.type==0)){address[facet.id]=staticValues.length<<1|1;if(sameArray(oldProviders,providers)){staticValues.push(oldState.facet(facet))}else{let value=facet.combine(providers.map(p=>p.value));staticValues.push(oldState&&facet.compare(value,oldState.facet(facet))?oldState.facet(facet):value)}}else{for(let p of providers){if(p.type==0){address[p.id]=staticValues.length<<1|1;staticValues.push(p.value)}else{address[p.id]=dynamicSlots.length<<1;dynamicSlots.push(a=>p.dynamicSlot(a))}}address[facet.id]=dynamicSlots.length<<1;dynamicSlots.push(a=>dynamicFacetSlot(a,facet,providers))}}let dynamic=dynamicSlots.map(f=>f(address));return new Configuration(base,newCompartments,dynamic,address,staticValues,facets)}}function flatten(extension,compartments,newCompartments){let result=[[],[],[],[],[]];let seen=new Map;function inner(ext,prec){let known=seen.get(ext);if(known!=null){if(known<=prec)return;let found=result[known].indexOf(ext);if(found>-1)result[known].splice(found,1);if(ext instanceof CompartmentInstance)newCompartments.delete(ext.compartment)}seen.set(ext,prec);if(Array.isArray(ext)){for(let e of ext)inner(e,prec)}else if(ext instanceof CompartmentInstance){if(newCompartments.has(ext.compartment))throw new RangeError(`Duplicate use of compartment in extensions`);let content=compartments.get(ext.compartment)||ext.inner;newCompartments.set(ext.compartment,content);inner(content,prec)}else if(ext instanceof PrecExtension){inner(ext.inner,ext.prec)}else if(ext instanceof StateField){result[prec].push(ext);if(ext.provides)inner(ext.provides,prec)}else if(ext instanceof FacetProvider){result[prec].push(ext);if(ext.facet.extensions)inner(ext.facet.extensions,Prec_.default)}else{let content=ext.extension;if(!content)throw new Error(`Unrecognized extension value in extension set (${ext}). This sometimes happens because multiple instances of @codemirror/state are loaded, breaking instanceof checks.`);inner(content,prec)}}inner(extension,Prec_.default);return result.reduce((a,b)=>a.concat(b))}function ensureAddr(state,addr){if(addr&1)return 2;let idx=addr>>1;let status=state.status[idx];if(status==4)throw new Error("Cyclic dependency between fields and/or facets");if(status&2)return status;state.status[idx]=4;let changed=state.computeSlot(state,state.config.dynamicSlots[idx]);return state.status[idx]=2|changed}function getAddr(state,addr){return addr&1?state.config.staticValues[addr>>1]:state.values[addr>>1]}const languageData=Facet.define();const allowMultipleSelections=Facet.define({combine:values=>values.some(v=>v),static:true});const lineSeparator=Facet.define({combine:values=>values.length?values[0]:undefined,static:true});const changeFilter=Facet.define();const transactionFilter=Facet.define();const transactionExtender=Facet.define();const readOnly=Facet.define({combine:values=>values.length?values[0]:false});class Annotation{constructor(type,value){this.type=type;this.value=value}static define(){return new AnnotationType}}class AnnotationType{of(value){return new Annotation(this,value)}}class StateEffectType{constructor(map){this.map=map}of(value){return new StateEffect(this,value)}}class StateEffect{constructor(type,value){this.type=type;this.value=value}map(mapping){let mapped=this.type.map(this.value,mapping);return mapped===undefined?undefined:mapped==this.value?this:new StateEffect(this.type,mapped)}is(type){return this.type==type}static define(spec={}){return new StateEffectType(spec.map||(v=>v))}static mapEffects(effects,mapping){if(!effects.length)return effects;let result=[];for(let effect of effects){let mapped=effect.map(mapping);if(mapped)result.push(mapped)}return result}}StateEffect.reconfigure=StateEffect.define();StateEffect.appendConfig=StateEffect.define();class Transaction{constructor(startState,changes,selection,effects,annotations,scrollIntoView){this.startState=startState;this.changes=changes;this.selection=selection;this.effects=effects;this.annotations=annotations;this.scrollIntoView=scrollIntoView;this._doc=null;this._state=null;if(selection)checkSelection(selection,changes.newLength);if(!annotations.some(a=>a.type==Transaction.time))this.annotations=annotations.concat(Transaction.time.of(Date.now()))}static create(startState,changes,selection,effects,annotations,scrollIntoView){return new Transaction(startState,changes,selection,effects,annotations,scrollIntoView)}get newDoc(){return this._doc||(this._doc=this.changes.apply(this.startState.doc))}get newSelection(){return this.selection||this.startState.selection.map(this.changes)}get state(){if(!this._state)this.startState.applyTransaction(this);return this._state}annotation(type){for(let ann of this.annotations)if(ann.type==type)return ann.value;return undefined}get docChanged(){return!this.changes.empty}get reconfigured(){return this.startState.config!=this.state.config}isUserEvent(event){let e=this.annotation(Transaction.userEvent);return!!(e&&(e==event||e.length>event.length&&e.slice(0,event.length)==event&&e[event.length]=="."))}}Transaction.time=Annotation.define();Transaction.userEvent=Annotation.define();Transaction.addToHistory=Annotation.define();Transaction.remote=Annotation.define();function joinRanges(a,b){let result=[];for(let iA=0,iB=0;;){let from,to;if(iA<a.length&&(iB==b.length||b[iB]>=a[iA])){from=a[iA++];to=a[iA++]}else if(iB<b.length){from=b[iB++];to=b[iB++]}else return result;if(!result.length||result[result.length-1]<from)result.push(from,to);else if(result[result.length-1]<to)result[result.length-1]=to}}function mergeTransaction(a,b,sequential){var _a;let mapForA,mapForB,changes;if(sequential){mapForA=b.changes;mapForB=ChangeSet.empty(b.changes.length);changes=a.changes.compose(b.changes)}else{mapForA=b.changes.map(a.changes);mapForB=a.changes.mapDesc(b.changes,true);changes=a.changes.compose(mapForA)}return{changes:changes,selection:b.selection?b.selection.map(mapForB):(_a=a.selection)===null||_a===void 0?void 0:_a.map(mapForA),effects:StateEffect.mapEffects(a.effects,mapForA).concat(StateEffect.mapEffects(b.effects,mapForB)),annotations:a.annotations.length?a.annotations.concat(b.annotations):b.annotations,scrollIntoView:a.scrollIntoView||b.scrollIntoView}}function resolveTransactionInner(state,spec,docSize){let sel=spec.selection,annotations=asArray(spec.annotations);if(spec.userEvent)annotations=annotations.concat(Transaction.userEvent.of(spec.userEvent));return{changes:spec.changes instanceof ChangeSet?spec.changes:ChangeSet.of(spec.changes||[],docSize,state.facet(lineSeparator)),selection:sel&&(sel instanceof EditorSelection?sel:EditorSelection.single(sel.anchor,sel.head)),effects:asArray(spec.effects),annotations:annotations,scrollIntoView:!!spec.scrollIntoView}}function resolveTransaction(state,specs,filter){let s=resolveTransactionInner(state,specs.length?specs[0]:{},state.doc.length);if(specs.length&&specs[0].filter===false)filter=false;for(let i=1;i<specs.length;i++){if(specs[i].filter===false)filter=false;let seq=!!specs[i].sequential;s=mergeTransaction(s,resolveTransactionInner(state,specs[i],seq?s.changes.newLength:state.doc.length),seq)}let tr=Transaction.create(state,s.changes,s.selection,s.effects,s.annotations,s.scrollIntoView);return extendTransaction(filter?filterTransaction(tr):tr)}function filterTransaction(tr){let state=tr.startState;let result=true;for(let filter of state.facet(changeFilter)){let value=filter(tr);if(value===false){result=false;break}if(Array.isArray(value))result=result===true?value:joinRanges(result,value)}if(result!==true){let changes,back;if(result===false){back=tr.changes.invertedDesc;changes=ChangeSet.empty(state.doc.length)}else{let filtered=tr.changes.filter(result);changes=filtered.changes;back=filtered.filtered.mapDesc(filtered.changes).invertedDesc}tr=Transaction.create(state,changes,tr.selection&&tr.selection.map(back),StateEffect.mapEffects(tr.effects,back),tr.annotations,tr.scrollIntoView)}let filters=state.facet(transactionFilter);for(let i=filters.length-1;i>=0;i--){let filtered=filters[i](tr);if(filtered instanceof Transaction)tr=filtered;else if(Array.isArray(filtered)&&filtered.length==1&&filtered[0]instanceof Transaction)tr=filtered[0];else tr=resolveTransaction(state,asArray(filtered),false)}return tr}function extendTransaction(tr){let state=tr.startState,extenders=state.facet(transactionExtender),spec=tr;for(let i=extenders.length-1;i>=0;i--){let extension=extenders[i](tr);if(extension&&Object.keys(extension).length)spec=mergeTransaction(spec,resolveTransactionInner(state,extension,tr.changes.newLength),true)}return spec==tr?tr:Transaction.create(state,tr.changes,tr.selection,spec.effects,spec.annotations,spec.scrollIntoView)}const none=[];function asArray(value){return value==null?none:Array.isArray(value)?value:[value]}var CharCategory=function(CharCategory){CharCategory[CharCategory["Word"]=0]="Word";CharCategory[CharCategory["Space"]=1]="Space";CharCategory[CharCategory["Other"]=2]="Other";return CharCategory}(CharCategory||(CharCategory={}));const nonASCIISingleCaseWordChar=/[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;let wordChar;try{wordChar=new RegExp("[\\p{Alphabetic}\\p{Number}_]","u")}catch(_){}function hasWordChar(str){if(wordChar)return wordChar.test(str);for(let i=0;i<str.length;i++){let ch=str[i];if(/\w/.test(ch)||ch>""&&(ch.toUpperCase()!=ch.toLowerCase()||nonASCIISingleCaseWordChar.test(ch)))return true}return false}function makeCategorizer(wordChars){return char=>{if(!/\S/.test(char))return CharCategory.Space;if(hasWordChar(char))return CharCategory.Word;for(let i=0;i<wordChars.length;i++)if(char.indexOf(wordChars[i])>-1)return CharCategory.Word;return CharCategory.Other}}class EditorState{constructor(config,doc,selection,values,computeSlot,tr){this.config=config;this.doc=doc;this.selection=selection;this.values=values;this.status=config.statusTemplate.slice();this.computeSlot=computeSlot;if(tr)tr._state=this;for(let i=0;i<this.config.dynamicSlots.length;i++)ensureAddr(this,i<<1);this.computeSlot=null}field(field,require=true){let addr=this.config.address[field.id];if(addr==null){if(require)throw new RangeError("Field is not present in this state");return undefined}ensureAddr(this,addr);return getAddr(this,addr)}update(...specs){return resolveTransaction(this,specs,true)}applyTransaction(tr){let conf=this.config,{base,compartments}=conf;for(let effect of tr.effects){if(effect.is(Compartment.reconfigure)){if(conf){compartments=new Map;conf.compartments.forEach((val,key)=>compartments.set(key,val));conf=null}compartments.set(effect.value.compartment,effect.value.extension)}else if(effect.is(StateEffect.reconfigure)){conf=null;base=effect.value}else if(effect.is(StateEffect.appendConfig)){conf=null;base=asArray(base).concat(effect.value)}}let startValues;if(!conf){conf=Configuration.resolve(base,compartments,this);let intermediateState=new EditorState(conf,this.doc,this.selection,conf.dynamicSlots.map(()=>null),(state,slot)=>slot.reconfigure(state,this),null);startValues=intermediateState.values}else{startValues=tr.startState.values.slice()}new EditorState(conf,tr.newDoc,tr.newSelection,startValues,(state,slot)=>slot.update(state,tr),tr)}replaceSelection(text){if(typeof text=="string")text=this.toText(text);return this.changeByRange(range=>({changes:{from:range.from,to:range.to,insert:text},range:EditorSelection.cursor(range.from+text.length)}))}changeByRange(f){let sel=this.selection;let result1=f(sel.ranges[0]);let changes=this.changes(result1.changes),ranges=[result1.range];let effects=asArray(result1.effects);for(let i=1;i<sel.ranges.length;i++){let result=f(sel.ranges[i]);let newChanges=this.changes(result.changes),newMapped=newChanges.map(changes);for(let j=0;j<i;j++)ranges[j]=ranges[j].map(newMapped);let mapBy=changes.mapDesc(newChanges,true);ranges.push(result.range.map(mapBy));changes=changes.compose(newMapped);effects=StateEffect.mapEffects(effects,newMapped).concat(StateEffect.mapEffects(asArray(result.effects),mapBy))}return{changes:changes,selection:EditorSelection.create(ranges,sel.mainIndex),effects:effects}}changes(spec=[]){if(spec instanceof ChangeSet)return spec;return ChangeSet.of(spec,this.doc.length,this.facet(EditorState.lineSeparator))}toText(string){return Text.of(string.split(this.facet(EditorState.lineSeparator)||DefaultSplit))}sliceDoc(from=0,to=this.doc.length){return this.doc.sliceString(from,to,this.lineBreak)}facet(facet){let addr=this.config.address[facet.id];if(addr==null)return facet.default;ensureAddr(this,addr);return getAddr(this,addr)}toJSON(fields){let result={doc:this.sliceDoc(),selection:this.selection.toJSON()};if(fields)for(let prop in fields){let value=fields[prop];if(value instanceof StateField&&this.config.address[value.id]!=null)result[prop]=value.spec.toJSON(this.field(fields[prop]),this)}return result}static fromJSON(json,config={},fields){if(!json||typeof json.doc!="string")throw new RangeError("Invalid JSON representation for EditorState");let fieldInit=[];if(fields)for(let prop in fields){if(Object.prototype.hasOwnProperty.call(json,prop)){let field=fields[prop],value=json[prop];fieldInit.push(field.init(state=>field.spec.fromJSON(value,state)))}}return EditorState.create({doc:json.doc,selection:EditorSelection.fromJSON(json.selection),extensions:config.extensions?fieldInit.concat([config.extensions]):fieldInit})}static create(config={}){let configuration=Configuration.resolve(config.extensions||[],new Map);let doc=config.doc instanceof Text?config.doc:Text.of((config.doc||"").split(configuration.staticFacet(EditorState.lineSeparator)||DefaultSplit));let selection=!config.selection?EditorSelection.single(0):config.selection instanceof EditorSelection?config.selection:EditorSelection.single(config.selection.anchor,config.selection.head);checkSelection(selection,doc.length);if(!configuration.staticFacet(allowMultipleSelections))selection=selection.asSingle();return new EditorState(configuration,doc,selection,configuration.dynamicSlots.map(()=>null),(state,slot)=>slot.create(state),null)}get tabSize(){return this.facet(EditorState.tabSize)}get lineBreak(){return this.facet(EditorState.lineSeparator)||"\n"}get readOnly(){return this.facet(readOnly)}phrase(phrase,...insert){for(let map of this.facet(EditorState.phrases))if(Object.prototype.hasOwnProperty.call(map,phrase)){phrase=map[phrase];break}if(insert.length)phrase=phrase.replace(/\$(\$|\d*)/g,(m,i)=>{if(i=="$")return"$";let n=+(i||1);return!n||n>insert.length?m:insert[n-1]});return phrase}languageDataAt(name,pos,side=-1){let values=[];for(let provider of this.facet(languageData)){for(let result of provider(this,pos,side)){if(Object.prototype.hasOwnProperty.call(result,name))values.push(result[name])}}return values}charCategorizer(at){return makeCategorizer(this.languageDataAt("wordChars",at).join(""))}wordAt(pos){let{text,from,length}=this.doc.lineAt(pos);let cat=this.charCategorizer(pos);let start=pos-from,end=pos-from;while(start>0){let prev=findClusterBreak(text,start,false);if(cat(text.slice(prev,start))!=CharCategory.Word)break;start=prev}while(end<length){let next=findClusterBreak(text,end);if(cat(text.slice(end,next))!=CharCategory.Word)break;end=next}return start==end?null:EditorSelection.range(start+from,end+from)}}EditorState.allowMultipleSelections=allowMultipleSelections;EditorState.tabSize=Facet.define({combine:values=>values.length?values[0]:4});EditorState.lineSeparator=lineSeparator;EditorState.readOnly=readOnly;EditorState.phrases=Facet.define({compare(a,b){let kA=Object.keys(a),kB=Object.keys(b);return kA.length==kB.length&&kA.every(k=>a[k]==b[k])}});EditorState.languageData=languageData;EditorState.changeFilter=changeFilter;EditorState.transactionFilter=transactionFilter;EditorState.transactionExtender=transactionExtender;Compartment.reconfigure=StateEffect.define();function combineConfig(configs,defaults,combine={}){let result={};for(let config of configs)for(let key of Object.keys(config)){let value=config[key],current=result[key];if(current===undefined)result[key]=value;else if(current===value||value===undefined);else if(Object.hasOwnProperty.call(combine,key))result[key]=combine[key](current,value);else throw new Error("Config merge conflict for field "+key)}for(let key in defaults)if(result[key]===undefined)result[key]=defaults[key];return result}class RangeValue{eq(other){return this==other}range(from,to=from){return Range.create(from,to,this)}}RangeValue.prototype.startSide=RangeValue.prototype.endSide=0;RangeValue.prototype.point=false;RangeValue.prototype.mapMode=MapMode.TrackDel;class Range{constructor(from,to,value){this.from=from;this.to=to;this.value=value}static create(from,to,value){return new Range(from,to,value)}}function cmpRange(a,b){return a.from-b.from||a.value.startSide-b.value.startSide}class Chunk{constructor(from,to,value,maxPoint){this.from=from;this.to=to;this.value=value;this.maxPoint=maxPoint}get length(){return this.to[this.to.length-1]}findIndex(pos,side,end,startAt=0){let arr=end?this.to:this.from;for(let lo=startAt,hi=arr.length;;){if(lo==hi)return lo;let mid=lo+hi>>1;let diff=arr[mid]-pos||(end?this.value[mid].endSide:this.value[mid].startSide)-side;if(mid==lo)return diff>=0?lo:hi;if(diff>=0)hi=mid;else lo=mid+1}}between(offset,from,to,f){for(let i=this.findIndex(from,-1e9,true),e=this.findIndex(to,1e9,false,i);i<e;i++)if(f(this.from[i]+offset,this.to[i]+offset,this.value[i])===false)return false}map(offset,changes){let value=[],from=[],to=[],newPos=-1,maxPoint=-1;for(let i=0;i<this.value.length;i++){let val=this.value[i],curFrom=this.from[i]+offset,curTo=this.to[i]+offset,newFrom,newTo;if(curFrom==curTo){let mapped=changes.mapPos(curFrom,val.startSide,val.mapMode);if(mapped==null)continue;newFrom=newTo=mapped;if(val.startSide!=val.endSide){newTo=changes.mapPos(curFrom,val.endSide);if(newTo<newFrom)continue}}else{newFrom=changes.mapPos(curFrom,val.startSide);newTo=changes.mapPos(curTo,val.endSide);if(newFrom>newTo||newFrom==newTo&&val.startSide>0&&val.endSide<=0)continue}if((newTo-newFrom||val.endSide-val.startSide)<0)continue;if(newPos<0)newPos=newFrom;if(val.point)maxPoint=Math.max(maxPoint,newTo-newFrom);value.push(val);from.push(newFrom-newPos);to.push(newTo-newPos)}return{mapped:value.length?new Chunk(from,to,value,maxPoint):null,pos:newPos}}}class RangeSet{constructor(chunkPos,chunk,nextLayer,maxPoint){this.chunkPos=chunkPos;this.chunk=chunk;this.nextLayer=nextLayer;this.maxPoint=maxPoint}static create(chunkPos,chunk,nextLayer,maxPoint){return new RangeSet(chunkPos,chunk,nextLayer,maxPoint)}get length(){let last=this.chunk.length-1;return last<0?0:Math.max(this.chunkEnd(last),this.nextLayer.length)}get size(){if(this.isEmpty)return 0;let size=this.nextLayer.size;for(let chunk of this.chunk)size+=chunk.value.length;return size}chunkEnd(index){return this.chunkPos[index]+this.chunk[index].length}update(updateSpec){let{add=[],sort=false,filterFrom=0,filterTo=this.length}=updateSpec;let filter=updateSpec.filter;if(add.length==0&&!filter)return this;if(sort)add=add.slice().sort(cmpRange);if(this.isEmpty)return add.length?RangeSet.of(add):this;let cur=new LayerCursor(this,null,-1).goto(0),i=0,spill=[];let builder=new RangeSetBuilder;while(cur.value||i<add.length){if(i<add.length&&(cur.from-add[i].from||cur.startSide-add[i].value.startSide)>=0){let range=add[i++];if(!builder.addInner(range.from,range.to,range.value))spill.push(range)}else if(cur.rangeIndex==1&&cur.chunkIndex<this.chunk.length&&(i==add.length||this.chunkEnd(cur.chunkIndex)<add[i].from)&&(!filter||filterFrom>this.chunkEnd(cur.chunkIndex)||filterTo<this.chunkPos[cur.chunkIndex])&&builder.addChunk(this.chunkPos[cur.chunkIndex],this.chunk[cur.chunkIndex])){cur.nextChunk()}else{if(!filter||filterFrom>cur.to||filterTo<cur.from||filter(cur.from,cur.to,cur.value)){if(!builder.addInner(cur.from,cur.to,cur.value))spill.push(Range.create(cur.from,cur.to,cur.value))}cur.next()}}return builder.finishInner(this.nextLayer.isEmpty&&!spill.length?RangeSet.empty:this.nextLayer.update({add:spill,filter:filter,filterFrom:filterFrom,filterTo:filterTo}))}map(changes){if(changes.empty||this.isEmpty)return this;let chunks=[],chunkPos=[],maxPoint=-1;for(let i=0;i<this.chunk.length;i++){let start=this.chunkPos[i],chunk=this.chunk[i];let touch=changes.touchesRange(start,start+chunk.length);if(touch===false){maxPoint=Math.max(maxPoint,chunk.maxPoint);chunks.push(chunk);chunkPos.push(changes.mapPos(start))}else if(touch===true){let{mapped,pos}=chunk.map(start,changes);if(mapped){maxPoint=Math.max(maxPoint,mapped.maxPoint);chunks.push(mapped);chunkPos.push(pos)}}}let next=this.nextLayer.map(changes);return chunks.length==0?next:new RangeSet(chunkPos,chunks,next||RangeSet.empty,maxPoint)}between(from,to,f){if(this.isEmpty)return;for(let i=0;i<this.chunk.length;i++){let start=this.chunkPos[i],chunk=this.chunk[i];if(to>=start&&from<=start+chunk.length&&chunk.between(start,from-start,to-start,f)===false)return}this.nextLayer.between(from,to,f)}iter(from=0){return HeapCursor.from([this]).goto(from)}get isEmpty(){return this.nextLayer==this}static iter(sets,from=0){return HeapCursor.from(sets).goto(from)}static compare(oldSets,newSets,textDiff,comparator,minPointSize=-1){let a=oldSets.filter(set=>set.maxPoint>0||!set.isEmpty&&set.maxPoint>=minPointSize);let b=newSets.filter(set=>set.maxPoint>0||!set.isEmpty&&set.maxPoint>=minPointSize);let sharedChunks=findSharedChunks(a,b,textDiff);let sideA=new SpanCursor(a,sharedChunks,minPointSize);let sideB=new SpanCursor(b,sharedChunks,minPointSize);textDiff.iterGaps((fromA,fromB,length)=>compare(sideA,fromA,sideB,fromB,length,comparator));if(textDiff.empty&&textDiff.length==0)compare(sideA,0,sideB,0,0,comparator)}static eq(oldSets,newSets,from=0,to){if(to==null)to=1e9;let a=oldSets.filter(set=>!set.isEmpty&&newSets.indexOf(set)<0);let b=newSets.filter(set=>!set.isEmpty&&oldSets.indexOf(set)<0);if(a.length!=b.length)return false;if(!a.length)return true;let sharedChunks=findSharedChunks(a,b);let sideA=new SpanCursor(a,sharedChunks,0).goto(from),sideB=new SpanCursor(b,sharedChunks,0).goto(from);for(;;){if(sideA.to!=sideB.to||!sameValues(sideA.active,sideB.active)||sideA.point&&(!sideB.point||!sideA.point.eq(sideB.point)))return false;if(sideA.to>to)return true;sideA.next();sideB.next()}}static spans(sets,from,to,iterator,minPointSize=-1){let cursor=new SpanCursor(sets,null,minPointSize).goto(from),pos=from;let open=cursor.openStart;for(;;){let curTo=Math.min(cursor.to,to);if(cursor.point){iterator.point(pos,curTo,cursor.point,cursor.activeForPoint(cursor.to),open,cursor.pointRank);open=cursor.openEnd(curTo)+(cursor.to>curTo?1:0)}else if(curTo>pos){iterator.span(pos,curTo,cursor.active,open);open=cursor.openEnd(curTo)}if(cursor.to>to)break;pos=cursor.to;cursor.next()}return open}static of(ranges,sort=false){let build=new RangeSetBuilder;for(let range of ranges instanceof Range?[ranges]:sort?lazySort(ranges):ranges)build.add(range.from,range.to,range.value);return build.finish()}}RangeSet.empty=new RangeSet([],[],null,-1);function lazySort(ranges){if(ranges.length>1)for(let prev=ranges[0],i=1;i<ranges.length;i++){let cur=ranges[i];if(cmpRange(prev,cur)>0)return ranges.slice().sort(cmpRange);prev=cur}return ranges}RangeSet.empty.nextLayer=RangeSet.empty;class RangeSetBuilder{constructor(){this.chunks=[];this.chunkPos=[];this.chunkStart=-1;this.last=null;this.lastFrom=-1e9;this.lastTo=-1e9;this.from=[];this.to=[];this.value=[];this.maxPoint=-1;this.setMaxPoint=-1;this.nextLayer=null}finishChunk(newArrays){this.chunks.push(new Chunk(this.from,this.to,this.value,this.maxPoint));this.chunkPos.push(this.chunkStart);this.chunkStart=-1;this.setMaxPoint=Math.max(this.setMaxPoint,this.maxPoint);this.maxPoint=-1;if(newArrays){this.from=[];this.to=[];this.value=[]}}add(from,to,value){if(!this.addInner(from,to,value))(this.nextLayer||(this.nextLayer=new RangeSetBuilder)).add(from,to,value)}addInner(from,to,value){let diff=from-this.lastTo||value.startSide-this.last.endSide;if(diff<=0&&(from-this.lastFrom||value.startSide-this.last.startSide)<0)throw new Error("Ranges must be added sorted by `from` position and `startSide`");if(diff<0)return false;if(this.from.length==250)this.finishChunk(true);if(this.chunkStart<0)this.chunkStart=from;this.from.push(from-this.chunkStart);this.to.push(to-this.chunkStart);this.last=value;this.lastFrom=from;this.lastTo=to;this.value.push(value);if(value.point)this.maxPoint=Math.max(this.maxPoint,to-from);return true}addChunk(from,chunk){if((from-this.lastTo||chunk.value[0].startSide-this.last.endSide)<0)return false;if(this.from.length)this.finishChunk(true);this.setMaxPoint=Math.max(this.setMaxPoint,chunk.maxPoint);this.chunks.push(chunk);this.chunkPos.push(from);let last=chunk.value.length-1;this.last=chunk.value[last];this.lastFrom=chunk.from[last]+from;this.lastTo=chunk.to[last]+from;return true}finish(){return this.finishInner(RangeSet.empty)}finishInner(next){if(this.from.length)this.finishChunk(false);if(this.chunks.length==0)return next;let result=RangeSet.create(this.chunkPos,this.chunks,this.nextLayer?this.nextLayer.finishInner(next):next,this.setMaxPoint);this.from=null;return result}}function findSharedChunks(a,b,textDiff){let inA=new Map;for(let set of a)for(let i=0;i<set.chunk.length;i++)if(set.chunk[i].maxPoint<=0)inA.set(set.chunk[i],set.chunkPos[i]);let shared=new Set;for(let set of b)for(let i=0;i<set.chunk.length;i++){let known=inA.get(set.chunk[i]);if(known!=null&&(textDiff?textDiff.mapPos(known):known)==set.chunkPos[i]&&!(textDiff===null||textDiff===void 0?void 0:textDiff.touchesRange(known,known+set.chunk[i].length)))shared.add(set.chunk[i])}return shared}class LayerCursor{constructor(layer,skip,minPoint,rank=0){this.layer=layer;this.skip=skip;this.minPoint=minPoint;this.rank=rank}get startSide(){return this.value?this.value.startSide:0}get endSide(){return this.value?this.value.endSide:0}goto(pos,side=-1e9){this.chunkIndex=this.rangeIndex=0;this.gotoInner(pos,side,false);return this}gotoInner(pos,side,forward){while(this.chunkIndex<this.layer.chunk.length){let next=this.layer.chunk[this.chunkIndex];if(!(this.skip&&this.skip.has(next)||this.layer.chunkEnd(this.chunkIndex)<pos||next.maxPoint<this.minPoint))break;this.chunkIndex++;forward=false}if(this.chunkIndex<this.layer.chunk.length){let rangeIndex=this.layer.chunk[this.chunkIndex].findIndex(pos-this.layer.chunkPos[this.chunkIndex],side,true);if(!forward||this.rangeIndex<rangeIndex)this.setRangeIndex(rangeIndex)}this.next()}forward(pos,side){if((this.to-pos||this.endSide-side)<0)this.gotoInner(pos,side,true)}next(){for(;;){if(this.chunkIndex==this.layer.chunk.length){this.from=this.to=1e9;this.value=null;break}else{let chunkPos=this.layer.chunkPos[this.chunkIndex],chunk=this.layer.chunk[this.chunkIndex];let from=chunkPos+chunk.from[this.rangeIndex];this.from=from;this.to=chunkPos+chunk.to[this.rangeIndex];this.value=chunk.value[this.rangeIndex];this.setRangeIndex(this.rangeIndex+1);if(this.minPoint<0||this.value.point&&this.to-this.from>=this.minPoint)break}}}setRangeIndex(index){if(index==this.layer.chunk[this.chunkIndex].value.length){this.chunkIndex++;if(this.skip){while(this.chunkIndex<this.layer.chunk.length&&this.skip.has(this.layer.chunk[this.chunkIndex]))this.chunkIndex++}this.rangeIndex=0}else{this.rangeIndex=index}}nextChunk(){this.chunkIndex++;this.rangeIndex=0;this.next()}compare(other){return this.from-other.from||this.startSide-other.startSide||this.rank-other.rank||this.to-other.to||this.endSide-other.endSide}}class HeapCursor{constructor(heap){this.heap=heap}static from(sets,skip=null,minPoint=-1){let heap=[];for(let i=0;i<sets.length;i++){for(let cur=sets[i];!cur.isEmpty;cur=cur.nextLayer){if(cur.maxPoint>=minPoint)heap.push(new LayerCursor(cur,skip,minPoint,i))}}return heap.length==1?heap[0]:new HeapCursor(heap)}get startSide(){return this.value?this.value.startSide:0}goto(pos,side=-1e9){for(let cur of this.heap)cur.goto(pos,side);for(let i=this.heap.length>>1;i>=0;i--)heapBubble(this.heap,i);this.next();return this}forward(pos,side){for(let cur of this.heap)cur.forward(pos,side);for(let i=this.heap.length>>1;i>=0;i--)heapBubble(this.heap,i);if((this.to-pos||this.value.endSide-side)<0)this.next()}next(){if(this.heap.length==0){this.from=this.to=1e9;this.value=null;this.rank=-1}else{let top=this.heap[0];this.from=top.from;this.to=top.to;this.value=top.value;this.rank=top.rank;if(top.value)top.next();heapBubble(this.heap,0)}}}function heapBubble(heap,index){for(let cur=heap[index];;){let childIndex=(index<<1)+1;if(childIndex>=heap.length)break;let child=heap[childIndex];if(childIndex+1<heap.length&&child.compare(heap[childIndex+1])>=0){child=heap[childIndex+1];childIndex++}if(cur.compare(child)<0)break;heap[childIndex]=cur;heap[index]=child;index=childIndex}}class SpanCursor{constructor(sets,skip,minPoint){this.minPoint=minPoint;this.active=[];this.activeTo=[];this.activeRank=[];this.minActive=-1;this.point=null;this.pointFrom=0;this.pointRank=0;this.to=-1e9;this.endSide=0;this.openStart=-1;this.cursor=HeapCursor.from(sets,skip,minPoint)}goto(pos,side=-1e9){this.cursor.goto(pos,side);this.active.length=this.activeTo.length=this.activeRank.length=0;this.minActive=-1;this.to=pos;this.endSide=side;this.openStart=-1;this.next();return this}forward(pos,side){while(this.minActive>-1&&(this.activeTo[this.minActive]-pos||this.active[this.minActive].endSide-side)<0)this.removeActive(this.minActive);this.cursor.forward(pos,side)}removeActive(index){remove(this.active,index);remove(this.activeTo,index);remove(this.activeRank,index);this.minActive=findMinIndex(this.active,this.activeTo)}addActive(trackOpen){let i=0,{value,to,rank}=this.cursor;while(i<this.activeRank.length&&this.activeRank[i]<=rank)i++;insert(this.active,i,value);insert(this.activeTo,i,to);insert(this.activeRank,i,rank);if(trackOpen)insert(trackOpen,i,this.cursor.from);this.minActive=findMinIndex(this.active,this.activeTo)}next(){let from=this.to,wasPoint=this.point;this.point=null;let trackOpen=this.openStart<0?[]:null,trackExtra=0;for(;;){let a=this.minActive;if(a>-1&&(this.activeTo[a]-this.cursor.from||this.active[a].endSide-this.cursor.startSide)<0){if(this.activeTo[a]>from){this.to=this.activeTo[a];this.endSide=this.active[a].endSide;break}this.removeActive(a);if(trackOpen)remove(trackOpen,a)}else if(!this.cursor.value){this.to=this.endSide=1e9;break}else if(this.cursor.from>from){this.to=this.cursor.from;this.endSide=this.cursor.startSide;break}else{let nextVal=this.cursor.value;if(!nextVal.point){this.addActive(trackOpen);if(this.cursor.from<from&&this.cursor.to>from)trackExtra++;this.cursor.next()}else if(wasPoint&&this.cursor.to==this.to&&this.cursor.from<this.cursor.to){this.cursor.next()}else{this.point=nextVal;this.pointFrom=this.cursor.from;this.pointRank=this.cursor.rank;this.to=this.cursor.to;this.endSide=nextVal.endSide;if(this.cursor.from<from)trackExtra=1;this.cursor.next();this.forward(this.to,this.endSide);break}}}if(trackOpen){let openStart=0;while(openStart<trackOpen.length&&trackOpen[openStart]<from)openStart++;this.openStart=openStart+trackExtra}}activeForPoint(to){if(!this.active.length)return this.active;let active=[];for(let i=this.active.length-1;i>=0;i--){if(this.activeRank[i]<this.pointRank)break;if(this.activeTo[i]>to||this.activeTo[i]==to&&this.active[i].endSide>=this.point.endSide)active.push(this.active[i])}return active.reverse()}openEnd(to){let open=0;for(let i=this.activeTo.length-1;i>=0&&this.activeTo[i]>to;i--)open++;return open}}function compare(a,startA,b,startB,length,comparator){a.goto(startA);b.goto(startB);let endB=startB+length;let pos=startB,dPos=startB-startA;for(;;){let diff=a.to+dPos-b.to||a.endSide-b.endSide;let end=diff<0?a.to+dPos:b.to,clipEnd=Math.min(end,endB);if(a.point||b.point){if(!(a.point&&b.point&&(a.point==b.point||a.point.eq(b.point))&&sameValues(a.activeForPoint(a.to+dPos),b.activeForPoint(b.to))))comparator.comparePoint(pos,clipEnd,a.point,b.point)}else{if(clipEnd>pos&&!sameValues(a.active,b.active))comparator.compareRange(pos,clipEnd,a.active,b.active)}if(end>endB)break;pos=end;if(diff<=0)a.next();if(diff>=0)b.next()}}function sameValues(a,b){if(a.length!=b.length)return false;for(let i=0;i<a.length;i++)if(a[i]!=b[i]&&!a[i].eq(b[i]))return false;return true}function remove(array,index){for(let i=index,e=array.length-1;i<e;i++)array[i]=array[i+1];array.pop()}function insert(array,index,value){for(let i=array.length-1;i>=index;i--)array[i+1]=array[i];array[index]=value}function findMinIndex(value,array){let found=-1,foundPos=1e9;for(let i=0;i<array.length;i++)if((array[i]-foundPos||value[i].endSide-value[found].endSide)<0){found=i;foundPos=array[i]}return found}function countColumn(string,tabSize,to=string.length){let n=0;for(let i=0;i<to;){if(string.charCodeAt(i)==9){n+=tabSize-n%tabSize;i++}else{n++;i=findClusterBreak(string,i)}}return n}function findColumn(string,col,tabSize,strict){for(let i=0,n=0;;){if(n>=col)return i;if(i==string.length)break;n+=string.charCodeAt(i)==9?tabSize-n%tabSize:1;i=findClusterBreak(string,i)}return strict===true?-1:string.length}export{Annotation,AnnotationType,ChangeDesc,ChangeSet,CharCategory,Compartment,EditorSelection,EditorState,Facet,Line,MapMode,Prec,Range,RangeSet,RangeSetBuilder,RangeValue,SelectionRange,StateEffect,StateEffectType,StateField,Text,Transaction,codePointAt,codePointSize,combineConfig,countColumn,findClusterBreak,findColumn,fromCodePoint};
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