mkdocs-material/material/assets/javascripts/workers/search.f5903571.min.js

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n}},t.stopWordFilter=t.generateStopWordFilter(["a","able","about","across","after","all","almost","also","am","among","an","and","any","are","as","at","be","because","been","but","by","can","cannot","could","dear","did","do","does","either","else","ever","every","for","from","get","got","had","has","have","he","her","hers","him","his","how","however","i","if","in","into","is","it","its","just","least","let","like","likely","may","me","might","most","must","my","neither","no","nor","not","of","off","often","on","only","or","other","our","own","rather","said","say","says","she","should","since","so","some","than","that","the","their","them","then","there","these","they","this","tis","to","too","twas","us","wants","was","we","were","what","when","where","which","while","who","whom","why","will","with","would","yet","you","your"]),t.Pipeline.registerFunction(t.stopWordFilter,"stopWordFilter");t.trimmer=function(e){return e.update(function(r){return r.replace(/^\W+/,"").replace(/\W+$/,"")})},t.Pipeline.registerFunction(t.trimmer,"trimmer");t.TokenSet=function(){this.final=!1,this.edges={},this.id=t.TokenSet._nextId,t.TokenSet._nextId+=1},t.TokenSet._nextId=1,t.TokenSet.fromArray=function(e){for(var r=new t.TokenSet.Builder,n=0,i=e.length;n<i;n++)r.insert(e[n]);return r.finish(),r.root},t.TokenSet.fromClause=function(e){return"editDistance"in e?t.TokenSet.fromFuzzyString(e.term,e.editDistance):t.TokenSet.fromString(e.term)},t.TokenSet.fromFuzzyString=function(e,r){for(var n=new t.TokenSet,i=[{node:n,editsRemaining:r,str:e}];i.length;){var s=i.pop();if(s.str.length>0){var o=s.str.charAt(0),a;o in s.node.edges?a=s.node.edges[o]:(a=new t.TokenSet,s.node.edges[o]=a),s.str.length==1&&(a.final=!0),i.push({node:a,editsRemaining:s.editsRemaining,str:s.str.slice(1)})}if(s.editsRemaining!=0){if("*"in s.node.edges)var c=s.node.edges["*"];else{var c=new t.TokenSet;s.node.edges["*"]=c}if(s.str.length==0&&(c.final=!0),i.push({node:c,editsRemaining:s.editsRemaining-1,str:s.str}),s.str.length>1&&i.push({node:s.node,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)}),s.str.length==1&&(s.node.final=!0),s.str.length>=1){if("*"in s.node.edges)var u=s.node.edges["*"];else{var u=new t.TokenSet;s.node.edges["*"]=u}s.str.length==1&&(u.final=!0),i.push({node:u,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)})}if(s.str.length>1){var d=s.str.charAt(0),y=s.str.charAt(1),p;y in s.node.edges?p=s.node.edges[y]:(p=new t.TokenSet,s.node.edges[y]=p),s.str.length==1&&(p.final=!0),i.push({node:p,editsRemaining:s.editsRemaining-1,str:d+s.str.slice(2)})}}}return n},t.TokenSet.fromString=function(e){for(var r=new t.TokenSet,n=r,i=0,s=e.length;i<s;i++){var o=e[i],a=i==s-1;if(o=="*")r.edges[o]=r,r.final=a;else{var c=new t.TokenSet;c.final=a,r.edges[o]=c,r=c}}return n},t.TokenSet.prototype.toArray=function(){for(var e=[],r=[{prefix:"",node:this}];r.length;){var n=r.pop(),i=Object.keys(n.node.edges),s=i.length;n.node.final&&(n.prefix.charAt(0),e.push(n.prefix));for(var o=0;o<s;o++){var a=i[o];r.push({prefix:n.prefix.concat(a),node:n.node.edges[a]})}}return e},t.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var e=this.final?"1":"0",r=Object.keys(this.edges).sort(),n=r.length,i=0;i<n;i++){var s=r[i],o=this.edges[s];e=e+s+o.id}return e},t.TokenSet.prototype.intersect=function(e){for(var r=new t.TokenSet,n=void 0,i=[{qNode:e,output:r,node:this}];i.length;){n=i.pop();for(var s=Object.keys(n.qNode.edges),o=s.length,a=Object.keys(n.node.edges),c=a.length,u=0;u<o;u++)for(var d=s[u],y=0;y<c;y++){var p=a[y];if(p==d||d=="*"){var b=n.node.edges[p],m=n.qNode.edges[d],Q=b.final&&m.final,f=void 0;p in n.output.edges?(f=n.output.edges[p],f.final=f.final||Q):(f=new t.TokenSet,f.final=Q,n.output.edges[p]=f),i.push({qNode:m,output:f,node:b})}}}return r},t.TokenSet.Builder=function(){this.previousWord="",this.root=new t.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},t.TokenSet.Builder.prototype.insert=function(e){var r,n=0;if(e<this.previousWord)throw new Error("Out of order word insertion");for(var i=0;i<e.length&&i<this.previousWord.length&&e[i]==this.previousWord[i];i++)n++;this.minimize(n),this.uncheckedNodes.length==0?r=this.root:r=this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(var i=n;i<e.length;i++){var s=new t.TokenSet,o=e[i];r.edges[o]=s,this.uncheckedNodes.push({parent:r,char:o,child:s}),r=s}r.final=!0,this.previousWord=e},t.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},t.TokenSet.Builder.prototype.minimize=function(e){for(var r=this.uncheckedNodes.length-1;r>=e;r--){var n=this.uncheckedNodes[r],i=n.child.toString();i in this.minimizedNodes?n.parent.edges[n.char]=this.minimizedNodes[i]:(n.child._str=i,this.minimizedNodes[i]=n.child),this.uncheckedNodes.pop()}};t.Index=function(e){this.invertedIndex=e.invertedIndex,this.fieldVectors=e.fieldVectors,this.tokenSet=e.tokenSet,this.fields=e.fields,this.pipeline=e.pipeline},t.Index.prototype.search=function(e){return this.query(function(r){var n=new t.QueryParser(e,r);n.parse()})},t.Index.prototype.query=function(e){for(var r=new t.Query(this.fields),n=Object.create(null),i=Object.create(null),s=Object.create(null),o=Object.create(null),a=Object.create(null),c=0;c<this.fields.length;c++)i[this.fields[c]]=new t.Vector;e.call(r,r);for(var c=0;c<r.clauses.length;c++){var u=r.clauses[c],d=null,y=t.Set.empty;u.usePipeline?d=this.pipeline.runString(u.term,{fields:u.fields}):d=[u.term];for(var p=0;p<d.length;p++){var b=d[p];u.term=b;var m=t.TokenSet.fromClause(u),Q=this.tokenSet.intersect(m).toArray();if(Q.length===0&&u.presence===t.Query.presence.REQUIRED){for(var f=0;f<u.fields.length;f++){var g=u.fields[f];o[g]=t.Set.empty}break}for(var L=0;L<Q.length;L++)for(var w=Q[L],k=this.invertedIndex[w],O=k._index,f=0;f<u.fields.length;f++){var g=u.fields[f],j=k[g],C=Object.keys(j),A=w+"/"+g,V=new t.Set(C);if(u.presence==t.Query.presence.REQUIRED&&(y=y.union(V),o[g]===void 0&&(o[g]=t.Set.complete)),u.presence==t.Query.presence.PROHIBITED){a[g]===void 0&&(a[g]=t.Set.empty),a[g]=a[g].union(V);continue}if(i[g].upsert(O,u.boost,function(ae,ue){return ae+ue}),!s[A]){for(var D=0;D<C.length;D++){var $=C[D],P=new t.FieldRef($,g),N=j[$],B;(B=n[P])===void 0?n[P]=new t.MatchData(w,g,N):B.add(w,g,N)}s[A]=!0}}}if(u.presence===t.Query.presence.REQUIRED)for(var f=0;f<u.fields.length;f++){var g=u.fields[f];o[g]=o[g].intersect(y)}}for(var M=t.Set.complete,_=t.Set.empty,c=0;c<this.fields.length;c++){var g=this.fields[c];o[g]&&(M=M.intersect(o[g])),a[g]&&(_=_.union(a[g]))}var l=Object.keys(n),v=[],I=Object.create(null);if(r.isNegated()){l=Object.keys(this.fieldVectors);for(var c=0;c<l.length;c++){var P=l[c],E=t.FieldRef.fromString(P);n[P]=new t.MatchData}}for(var c=0;c<l.length;c++){var E=t.FieldRef.fromString(l[c]),h=E.docRef;if(!!M.contains(h)&&!_.contains(h)){var x=this.fieldVectors[E],T=i[E.fieldName].similarity(x),F;if((F=I[h])!==void 0)F.score+=T,F.matchData.combine(n[E]);else{var S={ref:h,score:T,matchData:n[E]};I[h]=S,v.push(S)}}}return v.sort(function(se,oe){return oe.score-se.score})},t.Index.prototype.toJSON=function(){var e=Object.keys(this.invertedIndex).sort().map(function(n){return[n,this.invertedIndex[n]]},this),r=Object.keys(this.fieldVectors).map(function(n){return[n,this.fieldVectors[n].toJSON()]},this);return{version:t.version,fields:this.fields,fieldVectors:r,invertedIndex:e,pipeline:this.pipeline.toJSON()}},t.Index.load=function(e){var r={},n={},i=e.fieldVectors,s=Object.create(null),o=e.invertedIndex,a=new t.TokenSet.Builder,c=t.Pipeline.load(e.pipeline);e.version!=t.version&&t.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+t.version+"' does not match serialized index '"+e.version+"'");for(var u=0;u<i.length;u++){var d=i[u],y=d[0],p=d[1];n[y]=new t.Vector(p)}for(var u=0;u<o.length;u++){var d=o[u],b=d[0],m=d[1];a.insert(b),s[b]=m}return a.finish(),r.fields=e.fields,r.fieldVectors=n,r.invertedIndex=s,r.tokenSet=a.root,r.pipeline=c,new t.Index(r)};t.Builder=function(){this._ref="id",this._fields=Object.create(null),this._documents=Object.create(null),this.invertedIndex=Object.create(null),this.fieldTermFrequencies={},this.fieldLengths={},this.tokenizer=t.tokenizer,this.pipeline=new t.Pipeline,this.searchPipeline=new t.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},t.Builder.prototype.ref=function(e){this._ref=e},t.Builder.prototype.field=function(e,r){if(/\//.test(e))throw new RangeError("Field '"+e+"' contains illegal character '/'");this._fields[e]=r||{}},t.Builder.prototype.b=function(e){e<0?this._b=0:e>1?this._b=1:this._b=e},t.Builder.prototype.k1=function(e){this._k1=e},t.Builder.prototype.add=function(e,r){var n=e[this._ref],i=Object.keys(this._fields);this._documents[n]=r||{},this.documentCount+=1;for(var s=0;s<i.length;s++){var o=i[s],a=this._fields[o].extractor,c=a?a(e):e[o],u=this.tokenizer(c,{fields:[o]}),d=this.pipeline.run(u),y=new t.FieldRef(n,o),p=Object.create(null);this.fieldTermFrequencies[y]=p,this.fieldLengths[y]=0,this.fieldLengths[y]+=d.length;for(var b=0;b<d.length;b++){var m=d[b];if(p[m]==null&&(p[m]=0),p[m]+=1,this.invertedIndex[m]==null){var Q=Object.create(null);Q._index=this.termIndex,this.termIndex+=1;for(var f=0;f<i.length;f++)Q[i[f]]=Object.create(null);this.invertedIndex[m]=Q}this.invertedIndex[m][o][n]==null&&(this.invertedIndex[m][o][n]=Object.create(null));for(var g=0;g<this.metadataWhitelist.length;g++){var L=this.metadataWhitelist[g],w=m.metadata[L];this.invertedIndex[m][o][n][L]==null&&(this.invertedIndex[m][o][n][L]=[]),this.invertedIndex[m][o][n][L].push(w)}}}},t.Builder.prototype.calculateAverageFieldLengths=function(){for(var e=Object.keys(this.fieldLengths),r=e.length,n={},i={},s=0;s<r;s++){var o=t.FieldRef.fromString(e[s]),a=o.fieldName;i[a]||(i[a]=0),i[a]+=1,n[a]||(n[a]=0),n[a]+=this.fieldLengths[o]}for(var c=Object.keys(this._fields),s=0;s<c.length;s++){var u=c[s];n[u]=n[u]/i[u]}this.averageFieldLength=n},t.Builder.prototype.createFieldVectors=function(){for(var e={},r=Object.keys(this.fieldTermFrequencies),n=r.length,i=Object.create(null),s=0;s<n;s++){for(var o=t.FieldRef.fromString(r[s]),a=o.fieldName,c=this.fieldLengths[o],u=new t.Vector,d=this.fieldTermFrequencies[o],y=Object.keys(d),p=y.length,b=this._fields[a].boost||1,m=this._documents[o.docRef].boost||1,Q=0;Q<p;Q++){var f=y[Q],g=d[f],L=this.invertedIndex[f]._index,w,k,O;i[f]===void 0?(w=t.idf(this.invertedIndex[f],this.documentCount),i[f]=w):w=i[f],k=w*((this._k1+1)*g)/(this._k1*(1-this._b+this._b*(c/this.averageFieldLength[a]))+g),k*=b,k*=m,O=Math.round(k*1e3)/1e3,u.insert(L,O)}e[o]=u}this.fieldVectors=e},t.Builder.prototype.createTokenSet=function(){this.tokenSet=t.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},t.Builder.prototype.build=function(){return this.calculateAverageFieldLengths(),this.createFieldVectors(),this.createTokenSet(),new t.Index({invertedIndex:this.invertedIndex,fieldVectors:this.fieldVectors,tokenSet:this.tokenSet,fields:Object.keys(this._fields),pipeline:this.searchPipeline})},t.Builder.prototype.use=function(e){var r=Array.prototype.slice.call(arguments,1);r.unshift(this),e.apply(this,r)},t.MatchData=function(e,r,n){for(var i=Object.create(null),s=Object.keys(n||{}),o=0;o<s.length;o++){var a=s[o];i[a]=n[a].slice()}this.metadata=Object.create(null),e!==void 0&&(this.metadata[e]=Object.create(null),this.metadata[e][r]=i)},t.MatchData.prototype.combine=function(e){for(var r=Object.keys(e.metadata),n=0;n<r.length;n++){var i=r[n],s=Object.keys(e.metadata[i]);this.metadata[i]==null&&(this.metadata[i]=Object.create(null));for(var o=0;o<s.length;o++){var a=s[o],c=Object.keys(e.metadata[i][a]);this.metadata[i][a]==null&&(this.metadata[i][a]=Object.create(null));for(var u=0;u<c.length;u++){var d=c[u];this.metadata[i][a][d]==null?this.metadata[i][a][d]=e.metadata[i][a][d]:this.metadata[i][a][d]=this.metadata[i][a][d].concat(e.metadata[i][a][d])}}}},t.MatchData.prototype.add=function(e,r,n){if(!(e in this.metadata)){this.metadata[e]=Object.create(null),this.metadata[e][r]=n;return}if(!(r in this.metadata[e])){this.metadata[e][r]=n;return}for(var i=Object.keys(n),s=0;s<i.length;s++){var o=i[s];o in this.metadata[e][r]?this.metadata[e][r][o]=this.metadata[e][r][o].concat(n[o]):this.metadata[e][r][o]=n[o]}},t.Query=function(e){this.clauses=[],this.allFields=e},t.Query.wildcard=new String("*"),t.Query.wildcard.NONE=0,t.Query.wildcard.LEADING=1,t.Query.wildcard.TRAILING=2,t.Query.presence={OPTIONAL:1,REQUIRED:2,PROHIBITED:3},t.Query.prototype.clause=function(e){return"fields"in e||(e.fields=this.allFields),"boost"in e||(e.boost=1),"usePipeline"in e||(e.usePipeline=!0),"wildcard"in e||(e.wildcard=t.Query.wildcard.NONE),e.wildcard&t.Query.wildcard.LEADING&&e.term.charAt(0)!=t.Query.wildcard&&(e.term="*"+e.term),e.wildcard&t.Query.wildcard.TRAILING&&e.term.slice(-1)!=t.Query.wildcard&&(e.term=""+e.term+"*"),"presence"in e||(e.presence=t.Query.presence.OPTIONAL),this.clauses.push(e),this},t.Query.prototype.isNegated=function(){for(var e=0;e<this.clauses.length;e++)if(this.clauses[e].presence!=t.Query.presence.PROHIBITED)return!1;return!0},t.Query.prototype.term=function(e,r){if(Array.isArray(e))return e.forEach(function(i){this.term(i,t.utils.clone(r))},this),this;var n=r||{};return n.term=e.toString(),this.clause(n),this},t.QueryParseError=function(e,r,n){this.name="QueryParseError",this.message=e,this.start=r,this.end=n},t.QueryParseError.prototype=new Error,t.QueryLexer=function(e){this.lexemes=[],this.str=e,this.length=e.length,this.pos=0,this.start=0,this.escapeCharPositions=[]},t.QueryLexer.prototype.run=function(){for(var e=t.QueryLexer.lexText;e;)e=e(this)},t.QueryLexer.prototype.sliceString=function(){for(var e=[],r=this.start,n=this.pos,i=0;i<this.escapeCharPositions.length;i++)n=this.escapeCharPositions[i],e.push(this.str.slice(r,n)),r=n+1;return e.push(this.str.slice(r,this.pos)),this.escapeCharPositions.length=0,e.join("")},t.QueryLexer.prototype.emit=function(e){this.lexemes.push({type:e,str:this.sliceString(),start:this.start,end:this.pos}),this.start=this.pos},t.QueryLexer.prototype.escapeCharacter=function(){this.escapeCharPositions.push(this.pos-1),this.pos+=1},t.QueryLexer.prototype.next=function(){if(this.pos>=this.length)return t.QueryLexer.EOS;var e=this.str.charAt(this.pos);return this.pos+=1,e},t.QueryLexer.prototype.width=function(){return this.pos-this.start},t.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},t.QueryLexer.prototype.backup=function(){this.pos-=1},t.QueryLexer.prototype.acceptDigitRun=function(){var e,r;do e=this.next(),r=e.charCodeAt(0);while(r>47&&r<58);e!=t.QueryLexer.EOS&&this.backup()},t.QueryLexer.prototype.more=function(){return this.pos<this.length},t.QueryLexer.EOS="EOS",t.QueryLexer.FIELD="FIELD",t.QueryLexer.TERM="TERM",t.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",t.QueryLexer.BOOST="BOOST",t.QueryLexer.PRESENCE="PRESENCE",t.QueryLexer.lexField=function(e){return e.backup(),e.emit(t.QueryLexer.FIELD),e.ignore(),t.QueryLexer.lexText},t.QueryLexer.lexTerm=function(e){if(e.width()>1&&(e.backup(),e.emit(t.QueryLexer.TERM)),e.ignore(),e.more())return t.QueryLexer.lexText},t.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.EDIT_DISTANCE),t.QueryLexer.lexText},t.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(t.QueryLexer.BOOST),t.QueryLexer.lexText},t.QueryLexer.lexEOS=function(e){e.width()>0&&e.emit(t.QueryLexer.TERM)},t.QueryLexer.termSeparator=t.tokenizer.separator,t.QueryLexer.lexText=function(e){for(;;){var r=e.next();if(r==t.QueryLexer.EOS)return t.QueryLexer.lexEOS;if(r.charCodeAt(0)==92){e.escapeCharacter();continue}if(r==":")return t.QueryLexer.lexField;if(r=="~")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexEditDistance;if(r=="^")return e.backup(),e.width()>0&&e.emit(t.QueryLexer.TERM),t.QueryLexer.lexBoost;if(r=="+"&&e.width()===1||r=="-"&&e.width()===1)return e.emit(t.QueryLexer.PRESENCE),t.QueryLexer.lexText;if(r.match(t.QueryLexer.termSeparator))return t.QueryLexer.lexTerm}},t.QueryParser=function(e,r){this.lexer=new t.QueryLexer(e),this.query=r,this.currentClause={},this.lexemeIdx=0},t.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=t.QueryParser.parseClause;e;)e=e(this);return this.query},t.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},t.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},t.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},t.QueryParser.parseClause=function(e){var r=e.peekLexeme();if(r!=null)switch(r.type){case t.QueryLexer.PRESENCE:return t.QueryParser.parsePresence;case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expected either a field or a term, found "+r.type;throw r.str.length>=1&&(n+=" with value '"+r.str+"'"),new t.QueryParseError(n,r.start,r.end)}},t.QueryParser.parsePresence=function(e){var r=e.consumeLexeme();if(r!=null){switch(r.str){case"-":e.currentClause.presence=t.Query.presence.PROHIBITED;break;case"+":e.currentClause.presence=t.Query.presence.REQUIRED;break;default:var n="unrecognised presence operator'"+r.str+"'";throw new t.QueryParseError(n,r.start,r.end)}var i=e.peekLexeme();if(i==null){var n="expecting term or field, found nothing";throw new t.QueryParseError(n,r.start,r.end)}switch(i.type){case t.QueryLexer.FIELD:return t.QueryParser.parseField;case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var n="expecting term or field, found '"+i.type+"'";throw new t.QueryParseError(n,i.start,i.end)}}},t.QueryParser.parseField=function(e){var r=e.consumeLexeme();if(r!=null){if(e.query.allFields.indexOf(r.str)==-1){var n=e.query.allFields.map(function(o){return"'"+o+"'"}).join(", "),i="unrecognised field '"+r.str+"', possible fields: "+n;throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.fields=[r.str];var s=e.peekLexeme();if(s==null){var i="expecting term, found nothing";throw new t.QueryParseError(i,r.start,r.end)}switch(s.type){case t.QueryLexer.TERM:return t.QueryParser.parseTerm;default:var i="expecting term, found '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseTerm=function(e){var r=e.consumeLexeme();if(r!=null){e.currentClause.term=r.str.toLowerCase(),r.str.indexOf("*")!=-1&&(e.currentClause.usePipeline=!1);var n=e.peekLexeme();if(n==null){e.nextClause();return}switch(n.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+n.type+"'";throw new t.QueryParseError(i,n.start,n.end)}}},t.QueryParser.parseEditDistance=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="edit distance must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.editDistance=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},t.QueryParser.parseBoost=function(e){var r=e.consumeLexeme();if(r!=null){var n=parseInt(r.str,10);if(isNaN(n)){var i="boost must be numeric";throw new t.QueryParseError(i,r.start,r.end)}e.currentClause.boost=n;var s=e.peekLexeme();if(s==null){e.nextClause();return}switch(s.type){case t.QueryLexer.TERM:return e.nextClause(),t.QueryParser.parseTerm;case t.QueryLexer.FIELD:return e.nextClause(),t.QueryParser.parseField;case t.QueryLexer.EDIT_DISTANCE:return t.QueryParser.parseEditDistance;case t.QueryLexer.BOOST:return t.QueryParser.parseBoost;case t.QueryLexer.PRESENCE:return e.nextClause(),t.QueryParser.parsePresence;default:var i="Unexpected lexeme type '"+s.type+"'";throw new t.QueryParseError(i,s.start,s.end)}}},function(e,r){typeof define=="function"&&define.amd?define(r):typeof Y=="object"?G.exports=r():e.lunr=r()}(this,function(){return t})})()});var Z=H((be,X)=>{"use strict";var ye=/["'&<>]/;X.exports=me;function me(t){var e=""+t,r=ye.exec(e);if(!r)return e;var n,i="",s=0,o=0;for(s=r.index;s<e.length;s++){switch(e.charCodeAt(s)){case 34:n="&quot;";break;case 38:n="&amp;";break;case 39:n="&#39;";break;case 60:n="&lt;";break;case 62:n="&gt;";break;default:continue}o!==s&&(i+=e.substring(o,s)),o=s+1,i+=n}return o!==s?i+e.substring(o,s):i}});var ie=q(J());var K=q(Z());function ee(t){let e=new Map,r=new Set;for(let n of t){let[i,s]=n.location.split("#"),o=n.location,a=n.title,c=K.default(n.text).replace(/\s+(?=[,.:;!?])/g,"").replace(/\s+/g," ");if(s){let u=e.get(i);r.has(u)?e.set(o,{location:o,title:a,text:c,parent:u}):(u.title=n.title,u.text=c,r.add(u))}else e.set(o,{location:o,title:a,text:c})}return e}function te(t){let e=new RegExp(t.separator,"img"),r=(n,i,s)=>`${i}<mark data-md-highlight>${s}</mark>`;return n=>{n=n.replace(/[\s*+\-:~^]+/g," ").trim();let i=new RegExp(`(^|${t.separator})(${n.replace(/[|\\{}()[\]^$+*?.-]/g,"\\$&").replace(e,"|")})`,"img");return s=>s.replace(i,r).replace(/<\/mark>(\s+)<mark[^>]*>/img,"$1")}}function re(t){let e=new lunr.Query(["title","text"]);return new lunr.QueryParser(t,e).parse(),e.clauses}function ne(t,e){let r=new Set(t),n={};for(let i=0;i<e.length;i++)for(let s of r)e[i].startsWith(s.term)&&(n[s.term]=!0,r.delete(s));for(let i of r)n[i.term]=!1;return n}function ve(t,e){let[r,n]=[new Set(t),new Set(e)];return[...new Set([...r].filter(i=>!n.has(i)))]}var U=class{constructor({config:e,docs:r,pipeline:n,index:i}){this.documents=ee(r),this.highlight=te(e),lunr.tokenizer.separator=new RegExp(e.separator),typeof i=="undefined"?this.index=lunr(function(){e.lang.length===1&&e.lang[0]!=="en"?this.use(lunr[e.lang[0]]):e.lang.length>1&&this.use(lunr.multiLanguage(...e.lang));let s=ve(["trimmer","stopWordFilter","stemmer"],n);for(let o of e.lang.map(a=>a==="en"?lunr:lunr[a]))for(let a of s)this.pipeline.remove(o[a]),this.searchPipeline.remove(o[a]);this.field("title",{boost:1e3}),this.field("text"),this.ref("location");for(let o of r)this.add(o)}):this.index=lunr.Index.load(i)}search(e){if(e)try{let r=this.highlight(e),n=re(e).filter(s=>s.presence!==lunr.Query.presence.PROHIBITED);return[...this.index.search(`${e}*`).reduce((s,{ref:o,score:a,matchData:c})=>{let u=this.documents.get(o);if(typeof u!="undefined"){let{location:d,title:y,text:p,parent:b}=u,m=ne(n,Object.keys(c.metadata)),Q=+!b+ +Object.values(m).every(f=>f);s.push({location:d,title:r(y),text:r(p),score:a*(1+Q),terms:m})}return s},[]).sort((s,o)=>o.score-s.score).reduce((s,o)=>{let a=this.documents.get(o.location);if(typeof a!="undefined"){let c="parent"in a?a.parent.location:a.location;s.set(c,[...s.get(c)||[],o])}return s},new Map).values()]}catch{console.warn(`Invalid query: ${e} \u2013 see https://bit.ly/2s3ChXG`)}return[]}};var R;(function(t){t[t.SETUP=0]="SETUP",t[t.READY=1]="READY",t[t.QUERY=2]="QUERY",t[t.RESULT=3]="RESULT"})(R||(R={}));var W;async function xe(t){let e="../lunr";if(typeof parent!="undefined"&&"IFrameWorker"in parent){let n=document.querySelector("script[src]"),[i]=n.src.split("/worker");e=e.replace("..",i)}let r=[];for(let n of t.lang)n==="ja"&&r.push(`${e}/tinyseg.js`),n!=="en"&&r.push(`${e}/min/lunr.${n}.min.js`);t.lang.length>1&&r.push(`${e}/min/lunr.multi.min.js`),r.length&&await importScripts(`${e}/min/lunr.stemmer.support.min.js`,...r)}async function Se(t){switch(t.type){case R.SETUP:return await xe(t.data.config),W=new U(t.data),{type:R.READY};case R.QUERY:return{type:R.RESULT,data:W?W.search(t.data):[]};default:throw new TypeError("Invalid message type")}}self.lunr=ie.default;addEventListener("message",async t=>{postMessage(await Se(t.data))});})();
/*!
 * escape-html
 * Copyright(c) 2012-2013 TJ Holowaychuk
 * Copyright(c) 2015 Andreas Lubbe
 * Copyright(c) 2015 Tiancheng "Timothy" Gu
 * MIT Licensed
 */
/*!
 * lunr.Builder
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.Index
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.Pipeline
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.Set
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.TokenSet
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.Vector
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.stemmer
 * Copyright (C) 2020 Oliver Nightingale
 * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
 */
/*!
 * lunr.stopWordFilter
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.tokenizer
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.trimmer
 * Copyright (C) 2020 Oliver Nightingale
 */
/*!
 * lunr.utils
 * Copyright (C) 2020 Oliver Nightingale
 */
/**
 * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9
 * Copyright (C) 2020 Oliver Nightingale
 * @license MIT
 */
//# sourceMappingURL=search.f5903571.min.js.map