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✏️ Editing: lunr.min.js

/**
 * 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
 */
!function(){var global,step2list,step3list,v,C,re_mgr0,re_mgr1,re_meq1,re_s_v,re_1a,re2_1a,re_1b,re2_1b,re_1b_2,re2_1b_2,re3_1b_2,re4_1b_2,re_1c,re_2,re_3,re_4,re2_4,re_5,re_5_1,re3_5,porterStemmer,root,factory,lunr=function(config){var builder=new lunr.Builder;return builder.pipeline.add(lunr.trimmer,lunr.stopWordFilter,lunr.stemmer),builder.searchPipeline.add(lunr.stemmer),config.call(builder,builder),builder.build()};lunr.version="2.3.9",lunr.utils={},lunr.utils.warn=(global=this,function(message){global.console&&console.warn&&console.warn(message)}),lunr.utils.asString=function(obj){return null==obj?"":obj.toString()},lunr.utils.clone=function(obj){if(null==obj)return obj;for(var clone=Object.create(null),keys=Object.keys(obj),i=0;i<keys.length;i++){var key=keys[i],val=obj[key];if(Array.isArray(val))clone[key]=val.slice();else{if("string"!=typeof val&&"number"!=typeof val&&"boolean"!=typeof val)throw new TypeError("clone is not deep and does not support nested objects");clone[key]=val}}return clone},lunr.FieldRef=function(docRef,fieldName,stringValue){this.docRef=docRef,this.fieldName=fieldName,this._stringValue=stringValue},lunr.FieldRef.joiner="/",lunr.FieldRef.fromString=function(s){var n=s.indexOf(lunr.FieldRef.joiner);if(-1===n)throw"malformed field ref string";var fieldRef=s.slice(0,n),docRef=s.slice(n+1);return new lunr.FieldRef(docRef,fieldRef,s)},lunr.FieldRef.prototype.toString=function(){return null==this._stringValue&&(this._stringValue=this.fieldName+lunr.FieldRef.joiner+this.docRef),this._stringValue},lunr.Set=function(elements){if(this.elements=Object.create(null),elements){this.length=elements.length;for(var i=0;i<this.length;i++)this.elements[elements[i]]=!0}else this.length=0},lunr.Set.complete={intersect:function(other){return other},union:function(){return this},contains:function(){return!0}},lunr.Set.empty={intersect:function(){return this},union:function(other){return other},contains:function(){return!1}},lunr.Set.prototype.contains=function(object){return!!this.elements[object]},lunr.Set.prototype.intersect=function(other){var a,b,elements,intersection=[];if(other===lunr.Set.complete)return this;if(other===lunr.Set.empty)return other;this.length<other.length?(a=this,b=other):(a=other,b=this),elements=Object.keys(a.elements);for(var i=0;i<elements.length;i++){var element=elements[i];element in b.elements&&intersection.push(element)}return new lunr.Set(intersection)},lunr.Set.prototype.union=function(other){return other===lunr.Set.complete?lunr.Set.complete:other===lunr.Set.empty?this:new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))},lunr.idf=function(posting,documentCount){var documentsWithTerm=0;for(var fieldName in posting)"_index"!=fieldName&&(documentsWithTerm+=Object.keys(posting[fieldName]).length);var x=(documentCount-documentsWithTerm+.5)/(documentsWithTerm+.5);return Math.log(1+Math.abs(x))},lunr.Token=function(str,metadata){this.str=str||"",this.metadata=metadata||{}},lunr.Token.prototype.toString=function(){return this.str},lunr.Token.prototype.update=function(fn){return this.str=fn(this.str,this.metadata),this},lunr.Token.prototype.clone=function(fn){return fn=fn||function(s){return s},new lunr.Token(fn(this.str,this.metadata),this.metadata)},lunr.tokenizer=function(obj,metadata){if(null==obj||null==obj)return[];if(Array.isArray(obj))return obj.map((function(t){return new lunr.Token(lunr.utils.asString(t).toLowerCase(),lunr.utils.clone(metadata))}));for(var str=obj.toString().toLowerCase(),len=str.length,tokens=[],sliceEnd=0,sliceStart=0;sliceEnd<=len;sliceEnd++){var sliceLength=sliceEnd-sliceStart;if(str.charAt(sliceEnd).match(lunr.tokenizer.separator)||sliceEnd==len){if(sliceLength>0){var tokenMetadata=lunr.utils.clone(metadata)||{};tokenMetadata.position=[sliceStart,sliceLength],tokenMetadata.index=tokens.length,tokens.push(new lunr.Token(str.slice(sliceStart,sliceEnd),tokenMetadata))}sliceStart=sliceEnd+1}}return tokens},lunr.tokenizer.separator=/[\s\-]+/,lunr.Pipeline=function(){this._stack=[]},lunr.Pipeline.registeredFunctions=Object.create(null),lunr.Pipeline.registerFunction=function(fn,label){label in this.registeredFunctions&&lunr.utils.warn("Overwriting existing registered function: "+label),fn.label=label,lunr.Pipeline.registeredFunctions[fn.label]=fn},lunr.Pipeline.warnIfFunctionNotRegistered=function(fn){fn.label&&fn.label in this.registeredFunctions||lunr.utils.warn("Function is not registered with pipeline. This may cause problems when serialising the index.\n",fn)},lunr.Pipeline.load=function(serialised){var pipeline=new lunr.Pipeline;return serialised.forEach((function(fnName){var fn=lunr.Pipeline.registeredFunctions[fnName];if(!fn)throw new Error("Cannot load unregistered function: "+fnName);pipeline.add(fn)})),pipeline},lunr.Pipeline.prototype.add=function(){var fns=Array.prototype.slice.call(arguments);fns.forEach((function(fn){lunr.Pipeline.warnIfFunctionNotRegistered(fn),this._stack.push(fn)}),this)},lunr.Pipeline.prototype.after=function(existingFn,newFn){lunr.Pipeline.warnIfFunctionNotRegistered(newFn);var pos=this._stack.indexOf(existingFn);if(-1==pos)throw new Error("Cannot find existingFn");pos+=1,this._stack.splice(pos,0,newFn)},lunr.Pipeline.prototype.before=function(existingFn,newFn){lunr.Pipeline.warnIfFunctionNotRegistered(newFn);var pos=this._stack.indexOf(existingFn);if(-1==pos)throw new Error("Cannot find existingFn");this._stack.splice(pos,0,newFn)},lunr.Pipeline.prototype.remove=function(fn){var pos=this._stack.indexOf(fn);-1!=pos&&this._stack.splice(pos,1)},lunr.Pipeline.prototype.run=function(tokens){for(var stackLength=this._stack.length,i=0;i<stackLength;i++){for(var fn=this._stack[i],memo=[],j=0;j<tokens.length;j++){var result=fn(tokens[j],j,tokens);if(null!=result&&""!==result)if(Array.isArray(result))for(var k=0;k<result.length;k++)memo.push(result[k]);else memo.push(result)}tokens=memo}return tokens},lunr.Pipeline.prototype.runString=function(str,metadata){var token=new lunr.Token(str,metadata);return this.run([token]).map((function(t){return t.toString()}))},lunr.Pipeline.prototype.reset=function(){this._stack=[]},lunr.Pipeline.prototype.toJSON=function(){return this._stack.map((function(fn){return lunr.Pipeline.warnIfFunctionNotRegistered(fn),fn.label}))},lunr.Vector=function(elements){this._magnitude=0,this.elements=elements||[]},lunr.Vector.prototype.positionForIndex=function(index){if(0==this.elements.length)return 0;for(var start=0,end=this.elements.length/2,sliceLength=end-start,pivotPoint=Math.floor(sliceLength/2),pivotIndex=this.elements[2*pivotPoint];sliceLength>1&&(pivotIndex<index&&(start=pivotPoint),pivotIndex>index&&(end=pivotPoint),pivotIndex!=index);)sliceLength=end-start,pivotPoint=start+Math.floor(sliceLength/2),pivotIndex=this.elements[2*pivotPoint];return pivotIndex==index||pivotIndex>index?2*pivotPoint:pivotIndex<index?2*(pivotPoint+1):void 0},lunr.Vector.prototype.insert=function(insertIdx,val){this.upsert(insertIdx,val,(function(){throw"duplicate index"}))},lunr.Vector.prototype.upsert=function(insertIdx,val,fn){this._magnitude=0;var position=this.positionForIndex(insertIdx);this.elements[position]==insertIdx?this.elements[position+1]=fn(this.elements[position+1],val):this.elements.splice(position,0,insertIdx,val)},lunr.Vector.prototype.magnitude=function(){if(this._magnitude)return this._magnitude;for(var sumOfSquares=0,elementsLength=this.elements.length,i=1;i<elementsLength;i+=2){var val=this.elements[i];sumOfSquares+=val*val}return this._magnitude=Math.sqrt(sumOfSquares)},lunr.Vector.prototype.dot=function(otherVector){for(var dotProduct=0,a=this.elements,b=otherVector.elements,aLen=a.length,bLen=b.length,aVal=0,bVal=0,i=0,j=0;i<aLen&&j<bLen;)(aVal=a[i])<(bVal=b[j])?i+=2:aVal>bVal?j+=2:aVal==bVal&&(dotProduct+=a[i+1]*b[j+1],i+=2,j+=2);return dotProduct},lunr.Vector.prototype.similarity=function(otherVector){return this.dot(otherVector)/this.magnitude()||0},lunr.Vector.prototype.toArray=function(){for(var output=new Array(this.elements.length/2),i=1,j=0;i<this.elements.length;i+=2,j++)output[j]=this.elements[i];return output},lunr.Vector.prototype.toJSON=function(){return this.elements},lunr.stemmer=(step2list={ational:"ate",tional:"tion",enci:"ence",anci:"ance",izer:"ize",bli:"ble",alli:"al",entli:"ent",eli:"e",ousli:"ous",ization:"ize",ation:"ate",ator:"ate",alism:"al",iveness:"ive",fulness:"ful",ousness:"ous",aliti:"al",iviti:"ive",biliti:"ble",logi:"log"},step3list={icate:"ic",ative:"",alize:"al",iciti:"ic",ical:"ic",ful:"",ness:""},v="[aeiouy]",C="[^aeiou][^aeiouy]*",re_mgr0=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*"),re_mgr1=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*[aeiouy][aeiou]*[^aeiou][^aeiouy]*"),re_meq1=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*([aeiouy][aeiou]*)?$"),re_s_v=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy]"),re_1a=/^(.+?)(ss|i)es$/,re2_1a=/^(.+?)([^s])s$/,re_1b=/^(.+?)eed$/,re2_1b=/^(.+?)(ed|ing)$/,re_1b_2=/.$/,re2_1b_2=/(at|bl|iz)$/,re3_1b_2=new RegExp("([^aeiouylsz])\\1$"),re4_1b_2=new RegExp("^"+C+v+"[^aeiouwxy]$"),re_1c=/^(.+?[^aeiou])y$/,re_2=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,re_3=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,re_4=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,re2_4=/^(.+?)(s|t)(ion)$/,re_5=/^(.+?)e$/,re_5_1=/ll$/,re3_5=new RegExp("^"+C+v+"[^aeiouwxy]$"),porterStemmer=function(w){var stem,suffix,firstch,re,re2,re3,re4;if(w.length<3)return w;if("y"==(firstch=w.substr(0,1))&&(w=firstch.toUpperCase()+w.substr(1)),re2=re2_1a,(re=re_1a).test(w)?w=w.replace(re,"$1$2"):re2.test(w)&&(w=w.replace(re2,"$1$2")),re2=re2_1b,(re=re_1b).test(w)){var fp=re.exec(w);(re=re_mgr0).test(fp[1])&&(re=re_1b_2,w=w.replace(re,""))}else re2.test(w)&&(stem=(fp=re2.exec(w))[1],(re2=re_s_v).test(stem)&&(re3=re3_1b_2,re4=re4_1b_2,(re2=re2_1b_2).test(w=stem)?w+="e":re3.test(w)?(re=re_1b_2,w=w.replace(re,"")):re4.test(w)&&(w+="e")));return(re=re_1c).test(w)&&(w=(stem=(fp=re.exec(w))[1])+"i"),(re=re_2).test(w)&&(stem=(fp=re.exec(w))[1],suffix=fp[2],(re=re_mgr0).test(stem)&&(w=stem+step2list[suffix])),(re=re_3).test(w)&&(stem=(fp=re.exec(w))[1],suffix=fp[2],(re=re_mgr0).test(stem)&&(w=stem+step3list[suffix])),re2=re2_4,(re=re_4).test(w)?(stem=(fp=re.exec(w))[1],(re=re_mgr1).test(stem)&&(w=stem)):re2.test(w)&&(stem=(fp=re2.exec(w))[1]+fp[2],(re2=re_mgr1).test(stem)&&(w=stem)),(re=re_5).test(w)&&(stem=(fp=re.exec(w))[1],re2=re_meq1,re3=re3_5,((re=re_mgr1).test(stem)||re2.test(stem)&&!re3.test(stem))&&(w=stem)),re2=re_mgr1,(re=re_5_1).test(w)&&re2.test(w)&&(re=re_1b_2,w=w.replace(re,"")),"y"==firstch&&(w=firstch.toLowerCase()+w.substr(1)),w},function(token){return token.update(porterStemmer)}),lunr.Pipeline.registerFunction(lunr.stemmer,"stemmer"),lunr.generateStopWordFilter=function(stopWords){var words=stopWords.reduce((function(memo,stopWord){return memo[stopWord]=stopWord,memo}),{});return function(token){if(token&&words[token.toString()]!==token.toString())return token}},lunr.stopWordFilter=lunr.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"]),lunr.Pipeline.registerFunction(lunr.stopWordFilter,"stopWordFilter"),lunr.trimmer=function(token){return token.update((function(s){return s.replace(/^\W+/,"").replace(/\W+$/,"")}))},lunr.Pipeline.registerFunction(lunr.trimmer,"trimmer"),lunr.TokenSet=function(){this.final=!1,this.edges={},this.id=lunr.TokenSet._nextId,lunr.TokenSet._nextId+=1},lunr.TokenSet._nextId=1,lunr.TokenSet.fromArray=function(arr){for(var builder=new lunr.TokenSet.Builder,i=0,len=arr.length;i<len;i++)builder.insert(arr[i]);return builder.finish(),builder.root},lunr.TokenSet.fromClause=function(clause){return"editDistance"in clause?lunr.TokenSet.fromFuzzyString(clause.term,clause.editDistance):lunr.TokenSet.fromString(clause.term)},lunr.TokenSet.fromFuzzyString=function(str,editDistance){for(var root=new lunr.TokenSet,stack=[{node:root,editsRemaining:editDistance,str:str}];stack.length;){var frame=stack.pop();if(frame.str.length>0){var noEditNode,char=frame.str.charAt(0);char in frame.node.edges?noEditNode=frame.node.edges[char]:(noEditNode=new lunr.TokenSet,frame.node.edges[char]=noEditNode),1==frame.str.length&&(noEditNode.final=!0),stack.push({node:noEditNode,editsRemaining:frame.editsRemaining,str:frame.str.slice(1)})}if(0!=frame.editsRemaining){if("*"in frame.node.edges)var insertionNode=frame.node.edges["*"];else{insertionNode=new lunr.TokenSet;frame.node.edges["*"]=insertionNode}if(0==frame.str.length&&(insertionNode.final=!0),stack.push({node:insertionNode,editsRemaining:frame.editsRemaining-1,str:frame.str}),frame.str.length>1&&stack.push({node:frame.node,editsRemaining:frame.editsRemaining-1,str:frame.str.slice(1)}),1==frame.str.length&&(frame.node.final=!0),frame.str.length>=1){if("*"in frame.node.edges)var substitutionNode=frame.node.edges["*"];else{substitutionNode=new lunr.TokenSet;frame.node.edges["*"]=substitutionNode}1==frame.str.length&&(substitutionNode.final=!0),stack.push({node:substitutionNode,editsRemaining:frame.editsRemaining-1,str:frame.str.slice(1)})}if(frame.str.length>1){var transposeNode,charA=frame.str.charAt(0),charB=frame.str.charAt(1);charB in frame.node.edges?transposeNode=frame.node.edges[charB]:(transposeNode=new lunr.TokenSet,frame.node.edges[charB]=transposeNode),1==frame.str.length&&(transposeNode.final=!0),stack.push({node:transposeNode,editsRemaining:frame.editsRemaining-1,str:charA+frame.str.slice(2)})}}}return root},lunr.TokenSet.fromString=function(str){for(var node=new lunr.TokenSet,root=node,i=0,len=str.length;i<len;i++){var char=str[i],final=i==len-1;if("*"==char)node.edges[char]=node,node.final=final;else{var next=new lunr.TokenSet;next.final=final,node.edges[char]=next,node=next}}return root},lunr.TokenSet.prototype.toArray=function(){for(var words=[],stack=[{prefix:"",node:this}];stack.length;){var frame=stack.pop(),edges=Object.keys(frame.node.edges),len=edges.length;frame.node.final&&(frame.prefix.charAt(0),words.push(frame.prefix));for(var i=0;i<len;i++){var edge=edges[i];stack.push({prefix:frame.prefix.concat(edge),node:frame.node.edges[edge]})}}return words},lunr.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var str=this.final?"1":"0",labels=Object.keys(this.edges).sort(),len=labels.length,i=0;i<len;i++){var label=labels[i];str=str+label+this.edges[label].id}return str},lunr.TokenSet.prototype.intersect=function(b){for(var output=new lunr.TokenSet,frame=void 0,stack=[{qNode:b,output:output,node:this}];stack.length;){frame=stack.pop();for(var qEdges=Object.keys(frame.qNode.edges),qLen=qEdges.length,nEdges=Object.keys(frame.node.edges),nLen=nEdges.length,q=0;q<qLen;q++)for(var qEdge=qEdges[q],n=0;n<nLen;n++){var nEdge=nEdges[n];if(nEdge==qEdge||"*"==qEdge){var node=frame.node.edges[nEdge],qNode=frame.qNode.edges[qEdge],final=node.final&&qNode.final,next=void 0;nEdge in frame.output.edges?(next=frame.output.edges[nEdge]).final=next.final||final:((next=new lunr.TokenSet).final=final,frame.output.edges[nEdge]=next),stack.push({qNode:qNode,output:next,node:node})}}}return output},lunr.TokenSet.Builder=function(){this.previousWord="",this.root=new lunr.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},lunr.TokenSet.Builder.prototype.insert=function(word){var node,commonPrefix=0;if(word<this.previousWord)throw new Error("Out of order word insertion");for(var i=0;i<word.length&&i<this.previousWord.length&&word[i]==this.previousWord[i];i++)commonPrefix++;this.minimize(commonPrefix),node=0==this.uncheckedNodes.length?this.root:this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(i=commonPrefix;i<word.length;i++){var nextNode=new lunr.TokenSet,char=word[i];node.edges[char]=nextNode,this.uncheckedNodes.push({parent:node,char:char,child:nextNode}),node=nextNode}node.final=!0,this.previousWord=word},lunr.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},lunr.TokenSet.Builder.prototype.minimize=function(downTo){for(var i=this.uncheckedNodes.length-1;i>=downTo;i--){var node=this.uncheckedNodes[i],childKey=node.child.toString();childKey in this.minimizedNodes?node.parent.edges[node.char]=this.minimizedNodes[childKey]:(node.child._str=childKey,this.minimizedNodes[childKey]=node.child),this.uncheckedNodes.pop()}},lunr.Index=function(attrs){this.invertedIndex=attrs.invertedIndex,this.fieldVectors=attrs.fieldVectors,this.tokenSet=attrs.tokenSet,this.fields=attrs.fields,this.pipeline=attrs.pipeline},lunr.Index.prototype.search=function(queryString){return this.query((function(query){new lunr.QueryParser(queryString,query).parse()}))},lunr.Index.prototype.query=function(fn){for(var query=new lunr.Query(this.fields),matchingFields=Object.create(null),queryVectors=Object.create(null),termFieldCache=Object.create(null),requiredMatches=Object.create(null),prohibitedMatches=Object.create(null),i=0;i<this.fields.length;i++)queryVectors[this.fields[i]]=new lunr.Vector;fn.call(query,query);for(i=0;i<query.clauses.length;i++){var clause=query.clauses[i],terms=null,clauseMatches=lunr.Set.empty;terms=clause.usePipeline?this.pipeline.runString(clause.term,{fields:clause.fields}):[clause.term];for(var m=0;m<terms.length;m++){var term=terms[m];clause.term=term;var termTokenSet=lunr.TokenSet.fromClause(clause),expandedTerms=this.tokenSet.intersect(termTokenSet).toArray();if(0===expandedTerms.length&&clause.presence===lunr.Query.presence.REQUIRED){for(var k=0;k<clause.fields.length;k++){requiredMatches[field=clause.fields[k]]=lunr.Set.empty}break}for(var j=0;j<expandedTerms.length;j++){var expandedTerm=expandedTerms[j],posting=this.invertedIndex[expandedTerm],termIndex=posting._index;for(k=0;k<clause.fields.length;k++){var fieldPosting=posting[field=clause.fields[k]],matchingDocumentRefs=Object.keys(fieldPosting),termField=expandedTerm+"/"+field,matchingDocumentsSet=new lunr.Set(matchingDocumentRefs);if(clause.presence==lunr.Query.presence.REQUIRED&&(clauseMatches=clauseMatches.union(matchingDocumentsSet),void 0===requiredMatches[field]&&(requiredMatches[field]=lunr.Set.complete)),clause.presence!=lunr.Query.presence.PROHIBITED){if(queryVectors[field].upsert(termIndex,clause.boost,(function(a,b){return a+b})),!termFieldCache[termField]){for(var l=0;l<matchingDocumentRefs.length;l++){var fieldMatch,matchingDocumentRef=matchingDocumentRefs[l],matchingFieldRef=new lunr.FieldRef(matchingDocumentRef,field),metadata=fieldPosting[matchingDocumentRef];void 0===(fieldMatch=matchingFields[matchingFieldRef])?matchingFields[matchingFieldRef]=new lunr.MatchData(expandedTerm,field,metadata):fieldMatch.add(expandedTerm,field,metadata)}termFieldCache[termField]=!0}}else void 0===prohibitedMatches[field]&&(prohibitedMatches[field]=lunr.Set.empty),prohibitedMatches[field]=prohibitedMatches[field].union(matchingDocumentsSet)}}}if(clause.presence===lunr.Query.presence.REQUIRED)for(k=0;k<clause.fields.length;k++){requiredMatches[field=clause.fields[k]]=requiredMatches[field].intersect(clauseMatches)}}var allRequiredMatches=lunr.Set.complete,allProhibitedMatches=lunr.Set.empty;for(i=0;i<this.fields.length;i++){var field;requiredMatches[field=this.fields[i]]&&(allRequiredMatches=allRequiredMatches.intersect(requiredMatches[field])),prohibitedMatches[field]&&(allProhibitedMatches=allProhibitedMatches.union(prohibitedMatches[field]))}var matchingFieldRefs=Object.keys(matchingFields),results=[],matches=Object.create(null);if(query.isNegated()){matchingFieldRefs=Object.keys(this.fieldVectors);for(i=0;i<matchingFieldRefs.length;i++){matchingFieldRef=matchingFieldRefs[i];var fieldRef=lunr.FieldRef.fromString(matchingFieldRef);matchingFields[matchingFieldRef]=new lunr.MatchData}}for(i=0;i<matchingFieldRefs.length;i++){var docRef=(fieldRef=lunr.FieldRef.fromString(matchingFieldRefs[i])).docRef;if(allRequiredMatches.contains(docRef)&&!allProhibitedMatches.contains(docRef)){var docMatch,fieldVector=this.fieldVectors[fieldRef],score=queryVectors[fieldRef.fieldName].similarity(fieldVector);if(void 0!==(docMatch=matches[docRef]))docMatch.score+=score,docMatch.matchData.combine(matchingFields[fieldRef]);else{var match={ref:docRef,score:score,matchData:matchingFields[fieldRef]};matches[docRef]=match,results.push(match)}}}return results.sort((function(a,b){return b.score-a.score}))},lunr.Index.prototype.toJSON=function(){var invertedIndex=Object.keys(this.invertedIndex).sort().map((function(term){return[term,this.invertedIndex[term]]}),this),fieldVectors=Object.keys(this.fieldVectors).map((function(ref){return[ref,this.fieldVectors[ref].toJSON()]}),this);return{version:lunr.version,fields:this.fields,fieldVectors:fieldVectors,invertedIndex:invertedIndex,pipeline:this.pipeline.toJSON()}},lunr.Index.load=function(serializedIndex){var attrs={},fieldVectors={},serializedVectors=serializedIndex.fieldVectors,invertedIndex=Object.create(null),serializedInvertedIndex=serializedIndex.invertedIndex,tokenSetBuilder=new lunr.TokenSet.Builder,pipeline=lunr.Pipeline.load(serializedIndex.pipeline);serializedIndex.version!=lunr.version&&lunr.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+lunr.version+"' does not match serialized index '"+serializedIndex.version+"'");for(var i=0;i<serializedVectors.length;i++){var ref=(tuple=serializedVectors[i])[0],elements=tuple[1];fieldVectors[ref]=new lunr.Vector(elements)}for(i=0;i<serializedInvertedIndex.length;i++){var tuple,term=(tuple=serializedInvertedIndex[i])[0],posting=tuple[1];tokenSetBuilder.insert(term),invertedIndex[term]=posting}return tokenSetBuilder.finish(),attrs.fields=serializedIndex.fields,attrs.fieldVectors=fieldVectors,attrs.invertedIndex=invertedIndex,attrs.tokenSet=tokenSetBuilder.root,attrs.pipeline=pipeline,new lunr.Index(attrs)},lunr.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=lunr.tokenizer,this.pipeline=new lunr.Pipeline,this.searchPipeline=new lunr.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},lunr.Builder.prototype.ref=function(ref){this._ref=ref},lunr.Builder.prototype.field=function(fieldName,attributes){if(/\//.test(fieldName))throw new RangeError("Field '"+fieldName+"' contains illegal character '/'");this._fields[fieldName]=attributes||{}},lunr.Builder.prototype.b=function(number){this._b=number<0?0:number>1?1:number},lunr.Builder.prototype.k1=function(number){this._k1=number},lunr.Builder.prototype.add=function(doc,attributes){var docRef=doc[this._ref],fields=Object.keys(this._fields);this._documents[docRef]=attributes||{},this.documentCount+=1;for(var i=0;i<fields.length;i++){var fieldName=fields[i],extractor=this._fields[fieldName].extractor,field=extractor?extractor(doc):doc[fieldName],tokens=this.tokenizer(field,{fields:[fieldName]}),terms=this.pipeline.run(tokens),fieldRef=new lunr.FieldRef(docRef,fieldName),fieldTerms=Object.create(null);this.fieldTermFrequencies[fieldRef]=fieldTerms,this.fieldLengths[fieldRef]=0,this.fieldLengths[fieldRef]+=terms.length;for(var j=0;j<terms.length;j++){var term=terms[j];if(null==fieldTerms[term]&&(fieldTerms[term]=0),fieldTerms[term]+=1,null==this.invertedIndex[term]){var posting=Object.create(null);posting._index=this.termIndex,this.termIndex+=1;for(var k=0;k<fields.length;k++)posting[fields[k]]=Object.create(null);this.invertedIndex[term]=posting}null==this.invertedIndex[term][fieldName][docRef]&&(this.invertedIndex[term][fieldName][docRef]=Object.create(null));for(var l=0;l<this.metadataWhitelist.length;l++){var metadataKey=this.metadataWhitelist[l],metadata=term.metadata[metadataKey];null==this.invertedIndex[term][fieldName][docRef][metadataKey]&&(this.invertedIndex[term][fieldName][docRef][metadataKey]=[]),this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)}}}},lunr.Builder.prototype.calculateAverageFieldLengths=function(){for(var fieldRefs=Object.keys(this.fieldLengths),numberOfFields=fieldRefs.length,accumulator={},documentsWithField={},i=0;i<numberOfFields;i++){var fieldRef=lunr.FieldRef.fromString(fieldRefs[i]),field=fieldRef.fieldName;documentsWithField[field]||(documentsWithField[field]=0),documentsWithField[field]+=1,accumulator[field]||(accumulator[field]=0),accumulator[field]+=this.fieldLengths[fieldRef]}var fields=Object.keys(this._fields);for(i=0;i<fields.length;i++){var fieldName=fields[i];accumulator[fieldName]=accumulator[fieldName]/documentsWithField[fieldName]}this.averageFieldLength=accumulator},lunr.Builder.prototype.createFieldVectors=function(){for(var fieldVectors={},fieldRefs=Object.keys(this.fieldTermFrequencies),fieldRefsLength=fieldRefs.length,termIdfCache=Object.create(null),i=0;i<fieldRefsLength;i++){for(var fieldRef=lunr.FieldRef.fromString(fieldRefs[i]),fieldName=fieldRef.fieldName,fieldLength=this.fieldLengths[fieldRef],fieldVector=new lunr.Vector,termFrequencies=this.fieldTermFrequencies[fieldRef],terms=Object.keys(termFrequencies),termsLength=terms.length,fieldBoost=this._fields[fieldName].boost||1,docBoost=this._documents[fieldRef.docRef].boost||1,j=0;j<termsLength;j++){var idf,score,scoreWithPrecision,term=terms[j],tf=termFrequencies[term],termIndex=this.invertedIndex[term]._index;void 0===termIdfCache[term]?(idf=lunr.idf(this.invertedIndex[term],this.documentCount),termIdfCache[term]=idf):idf=termIdfCache[term],score=idf*((this._k1+1)*tf)/(this._k1*(1-this._b+this._b*(fieldLength/this.averageFieldLength[fieldName]))+tf),score*=fieldBoost,score*=docBoost,scoreWithPrecision=Math.round(1e3*score)/1e3,fieldVector.insert(termIndex,scoreWithPrecision)}fieldVectors[fieldRef]=fieldVector}this.fieldVectors=fieldVectors},lunr.Builder.prototype.createTokenSet=function(){this.tokenSet=lunr.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},lunr.Builder.prototype.build=function(){return this.calculateAverageFieldLengths(),this.createFieldVectors(),this.createTokenSet(),new lunr.Index({invertedIndex:this.invertedIndex,fieldVectors:this.fieldVectors,tokenSet:this.tokenSet,fields:Object.keys(this._fields),pipeline:this.searchPipeline})},lunr.Builder.prototype.use=function(fn){var args=Array.prototype.slice.call(arguments,1);args.unshift(this),fn.apply(this,args)},lunr.MatchData=function(term,field,metadata){for(var clonedMetadata=Object.create(null),metadataKeys=Object.keys(metadata||{}),i=0;i<metadataKeys.length;i++){var key=metadataKeys[i];clonedMetadata[key]=metadata[key].slice()}this.metadata=Object.create(null),void 0!==term&&(this.metadata[term]=Object.create(null),this.metadata[term][field]=clonedMetadata)},lunr.MatchData.prototype.combine=function(otherMatchData){for(var terms=Object.keys(otherMatchData.metadata),i=0;i<terms.length;i++){var term=terms[i],fields=Object.keys(otherMatchData.metadata[term]);null==this.metadata[term]&&(this.metadata[term]=Object.create(null));for(var j=0;j<fields.length;j++){var field=fields[j],keys=Object.keys(otherMatchData.metadata[term][field]);null==this.metadata[term][field]&&(this.metadata[term][field]=Object.create(null));for(var k=0;k<keys.length;k++){var key=keys[k];null==this.metadata[term][field][key]?this.metadata[term][field][key]=otherMatchData.metadata[term][field][key]:this.metadata[term][field][key]=this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])}}}},lunr.MatchData.prototype.add=function(term,field,metadata){if(!(term in this.metadata))return this.metadata[term]=Object.create(null),void(this.metadata[term][field]=metadata);if(field in this.metadata[term])for(var metadataKeys=Object.keys(metadata),i=0;i<metadataKeys.length;i++){var key=metadataKeys[i];key in this.metadata[term][field]?this.metadata[term][field][key]=this.metadata[term][field][key].concat(metadata[key]):this.metadata[term][field][key]=metadata[key]}else this.metadata[term][field]=metadata},lunr.Query=function(allFields){this.clauses=[],this.allFields=allFields},lunr.Query.wildcard=new String("*"),lunr.Query.wildcard.NONE=0,lunr.Query.wildcard.LEADING=1,lunr.Query.wildcard.TRAILING=2,lunr.Query.presence={OPTIONAL:1,REQUIRED:2,PROHIBITED:3},lunr.Query.prototype.clause=function(clause){return"fields"in clause||(clause.fields=this.allFields),"boost"in clause||(clause.boost=1),"usePipeline"in clause||(clause.usePipeline=!0),"wildcard"in clause||(clause.wildcard=lunr.Query.wildcard.NONE),clause.wildcard&lunr.Query.wildcard.LEADING&&clause.term.charAt(0)!=lunr.Query.wildcard&&(clause.term="*"+clause.term),clause.wildcard&lunr.Query.wildcard.TRAILING&&clause.term.slice(-1)!=lunr.Query.wildcard&&(clause.term=clause.term+"*"),"presence"in clause||(clause.presence=lunr.Query.presence.OPTIONAL),this.clauses.push(clause),this},lunr.Query.prototype.isNegated=function(){for(var i=0;i<this.clauses.length;i++)if(this.clauses[i].presence!=lunr.Query.presence.PROHIBITED)return!1;return!0},lunr.Query.prototype.term=function(term,options){if(Array.isArray(term))return term.forEach((function(t){this.term(t,lunr.utils.clone(options))}),this),this;var clause=options||{};return clause.term=term.toString(),this.clause(clause),this},lunr.QueryParseError=function(message,start,end){this.name="QueryParseError",this.message=message,this.start=start,this.end=end},lunr.QueryParseError.prototype=new Error,lunr.QueryLexer=function(str){this.lexemes=[],this.str=str,this.length=str.length,this.pos=0,this.start=0,this.escapeCharPositions=[]},lunr.QueryLexer.prototype.run=function(){for(var state=lunr.QueryLexer.lexText;state;)state=state(this)},lunr.QueryLexer.prototype.sliceString=function(){for(var subSlices=[],sliceStart=this.start,sliceEnd=this.pos,i=0;i<this.escapeCharPositions.length;i++)sliceEnd=this.escapeCharPositions[i],subSlices.push(this.str.slice(sliceStart,sliceEnd)),sliceStart=sliceEnd+1;return subSlices.push(this.str.slice(sliceStart,this.pos)),this.escapeCharPositions.length=0,subSlices.join("")},lunr.QueryLexer.prototype.emit=function(type){this.lexemes.push({type:type,str:this.sliceString(),start:this.start,end:this.pos}),this.start=this.pos},lunr.QueryLexer.prototype.escapeCharacter=function(){this.escapeCharPositions.push(this.pos-1),this.pos+=1},lunr.QueryLexer.prototype.next=function(){if(this.pos>=this.length)return lunr.QueryLexer.EOS;var char=this.str.charAt(this.pos);return this.pos+=1,char},lunr.QueryLexer.prototype.width=function(){return this.pos-this.start},lunr.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},lunr.QueryLexer.prototype.backup=function(){this.pos-=1},lunr.QueryLexer.prototype.acceptDigitRun=function(){var char,charCode;do{charCode=(char=this.next()).charCodeAt(0)}while(charCode>47&&charCode<58);char!=lunr.QueryLexer.EOS&&this.backup()},lunr.QueryLexer.prototype.more=function(){return this.pos<this.length},lunr.QueryLexer.EOS="EOS",lunr.QueryLexer.FIELD="FIELD",lunr.QueryLexer.TERM="TERM",lunr.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",lunr.QueryLexer.BOOST="BOOST",lunr.QueryLexer.PRESENCE="PRESENCE",lunr.QueryLexer.lexField=function(lexer){return lexer.backup(),lexer.emit(lunr.QueryLexer.FIELD),lexer.ignore(),lunr.QueryLexer.lexText},lunr.QueryLexer.lexTerm=function(lexer){if(lexer.width()>1&&(lexer.backup(),lexer.emit(lunr.QueryLexer.TERM)),lexer.ignore(),lexer.more())return lunr.QueryLexer.lexText},lunr.QueryLexer.lexEditDistance=function(lexer){return lexer.ignore(),lexer.acceptDigitRun(),lexer.emit(lunr.QueryLexer.EDIT_DISTANCE),lunr.QueryLexer.lexText},lunr.QueryLexer.lexBoost=function(lexer){return lexer.ignore(),lexer.acceptDigitRun(),lexer.emit(lunr.QueryLexer.BOOST),lunr.QueryLexer.lexText},lunr.QueryLexer.lexEOS=function(lexer){lexer.width()>0&&lexer.emit(lunr.QueryLexer.TERM)},lunr.QueryLexer.termSeparator=lunr.tokenizer.separator,lunr.QueryLexer.lexText=function(lexer){for(;;){var char=lexer.next();if(char==lunr.QueryLexer.EOS)return lunr.QueryLexer.lexEOS;if(92!=char.charCodeAt(0)){if(":"==char)return lunr.QueryLexer.lexField;if("~"==char)return lexer.backup(),lexer.width()>0&&lexer.emit(lunr.QueryLexer.TERM),lunr.QueryLexer.lexEditDistance;if("^"==char)return lexer.backup(),lexer.width()>0&&lexer.emit(lunr.QueryLexer.TERM),lunr.QueryLexer.lexBoost;if("+"==char&&1===lexer.width())return lexer.emit(lunr.QueryLexer.PRESENCE),lunr.QueryLexer.lexText;if("-"==char&&1===lexer.width())return lexer.emit(lunr.QueryLexer.PRESENCE),lunr.QueryLexer.lexText;if(char.match(lunr.QueryLexer.termSeparator))return lunr.QueryLexer.lexTerm}else lexer.escapeCharacter()}},lunr.QueryParser=function(str,query){this.lexer=new lunr.QueryLexer(str),this.query=query,this.currentClause={},this.lexemeIdx=0},lunr.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var state=lunr.QueryParser.parseClause;state;)state=state(this);return this.query},lunr.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},lunr.QueryParser.prototype.consumeLexeme=function(){var lexeme=this.peekLexeme();return this.lexemeIdx+=1,lexeme},lunr.QueryParser.prototype.nextClause=function(){var completedClause=this.currentClause;this.query.clause(completedClause),this.currentClause={}},lunr.QueryParser.parseClause=function(parser){var lexeme=parser.peekLexeme();if(null!=lexeme)switch(lexeme.type){case lunr.QueryLexer.PRESENCE:return lunr.QueryParser.parsePresence;case lunr.QueryLexer.FIELD:return lunr.QueryParser.parseField;case lunr.QueryLexer.TERM:return lunr.QueryParser.parseTerm;default:var errorMessage="expected either a field or a term, found "+lexeme.type;throw lexeme.str.length>=1&&(errorMessage+=" with value '"+lexeme.str+"'"),new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}},lunr.QueryParser.parsePresence=function(parser){var lexeme=parser.consumeLexeme();if(null!=lexeme){switch(lexeme.str){case"-":parser.currentClause.presence=lunr.Query.presence.PROHIBITED;break;case"+":parser.currentClause.presence=lunr.Query.presence.REQUIRED;break;default:var errorMessage="unrecognised presence operator'"+lexeme.str+"'";throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}var nextLexeme=parser.peekLexeme();if(null==nextLexeme){errorMessage="expecting term or field, found nothing";throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}switch(nextLexeme.type){case lunr.QueryLexer.FIELD:return lunr.QueryParser.parseField;case lunr.QueryLexer.TERM:return lunr.QueryParser.parseTerm;default:errorMessage="expecting term or field, found '"+nextLexeme.type+"'";throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}}},lunr.QueryParser.parseField=function(parser){var lexeme=parser.consumeLexeme();if(null!=lexeme){if(-1==parser.query.allFields.indexOf(lexeme.str)){var possibleFields=parser.query.allFields.map((function(f){return"'"+f+"'"})).join(", "),errorMessage="unrecognised field '"+lexeme.str+"', possible fields: "+possibleFields;throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}parser.currentClause.fields=[lexeme.str];var nextLexeme=parser.peekLexeme();if(null==nextLexeme){errorMessage="expecting term, found nothing";throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}if(nextLexeme.type===lunr.QueryLexer.TERM)return lunr.QueryParser.parseTerm;errorMessage="expecting term, found '"+nextLexeme.type+"'";throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}},lunr.QueryParser.parseTerm=function(parser){var lexeme=parser.consumeLexeme();if(null!=lexeme){parser.currentClause.term=lexeme.str.toLowerCase(),-1!=lexeme.str.indexOf("*")&&(parser.currentClause.usePipeline=!1);var nextLexeme=parser.peekLexeme();if(null!=nextLexeme)switch(nextLexeme.type){case lunr.QueryLexer.TERM:return parser.nextClause(),lunr.QueryParser.parseTerm;case lunr.QueryLexer.FIELD:return parser.nextClause(),lunr.QueryParser.parseField;case lunr.QueryLexer.EDIT_DISTANCE:return lunr.QueryParser.parseEditDistance;case lunr.QueryLexer.BOOST:return lunr.QueryParser.parseBoost;case lunr.QueryLexer.PRESENCE:return parser.nextClause(),lunr.QueryParser.parsePresence;default:var errorMessage="Unexpected lexeme type '"+nextLexeme.type+"'";throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}else parser.nextClause()}},lunr.QueryParser.parseEditDistance=function(parser){var lexeme=parser.consumeLexeme();if(null!=lexeme){var editDistance=parseInt(lexeme.str,10);if(isNaN(editDistance)){var errorMessage="edit distance must be numeric";throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}parser.currentClause.editDistance=editDistance;var nextLexeme=parser.peekLexeme();if(null!=nextLexeme)switch(nextLexeme.type){case lunr.QueryLexer.TERM:return parser.nextClause(),lunr.QueryParser.parseTerm;case lunr.QueryLexer.FIELD:return parser.nextClause(),lunr.QueryParser.parseField;case lunr.QueryLexer.EDIT_DISTANCE:return lunr.QueryParser.parseEditDistance;case lunr.QueryLexer.BOOST:return lunr.QueryParser.parseBoost;case lunr.QueryLexer.PRESENCE:return parser.nextClause(),lunr.QueryParser.parsePresence;default:errorMessage="Unexpected lexeme type '"+nextLexeme.type+"'";throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}else parser.nextClause()}},lunr.QueryParser.parseBoost=function(parser){var lexeme=parser.consumeLexeme();if(null!=lexeme){var boost=parseInt(lexeme.str,10);if(isNaN(boost)){var errorMessage="boost must be numeric";throw new lunr.QueryParseError(errorMessage,lexeme.start,lexeme.end)}parser.currentClause.boost=boost;var nextLexeme=parser.peekLexeme();if(null!=nextLexeme)switch(nextLexeme.type){case lunr.QueryLexer.TERM:return parser.nextClause(),lunr.QueryParser.parseTerm;case lunr.QueryLexer.FIELD:return parser.nextClause(),lunr.QueryParser.parseField;case lunr.QueryLexer.EDIT_DISTANCE:return lunr.QueryParser.parseEditDistance;case lunr.QueryLexer.BOOST:return lunr.QueryParser.parseBoost;case lunr.QueryLexer.PRESENCE:return parser.nextClause(),lunr.QueryParser.parsePresence;default:errorMessage="Unexpected lexeme type '"+nextLexeme.type+"'";throw new lunr.QueryParseError(errorMessage,nextLexeme.start,nextLexeme.end)}else parser.nextClause()}},root=this,factory=function(){return lunr},"function"==typeof define&&define.amd?define("tool_componentlibrary/lunr",factory):"object"==typeof exports?module.exports=factory():root.lunr=factory()}();

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