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c=Object.keys(r),g=[],C=Object.create(null);if(n.isNegated()){c=Object.keys(this.fieldVectors);for(var u=0;u<c.length;u++){var P=c[u],T=t.FieldRef.fromString(P);r[P]=new t.MatchData}}for(var u=0;u<c.length;u++){var T=t.FieldRef.fromString(c[u]),d=T.docRef;if(!!N.contains(d)&&!M.contains(d)){var x=this.fieldVectors[T],O=i[T.fieldName].similarity(x),D;if((D=C[d])!==void 0)D.score+=O,D.matchData.combine(r[T]);else{var L={ref:d,score:O,matchData:r[T]};C[d]=L,g.push(L)}}}return g.sort(function(we,Te){return Te.score-we.score})},t.Index.prototype.toJSON=function(){var e=Object.keys(this.invertedIndex).sort().map(function(r){return[r,this.invertedIndex[r]]},this),n=Object.keys(this.fieldVectors).map(function(r){return[r,this.fieldVectors[r].toJSON()]},this);return{version:t.version,fields:this.fields,fieldVectors:n,invertedIndex:e,pipeline:this.pipeline.toJSON()}},t.Index.load=function(e){var n={},r={},i=e.fieldVectors,s=Object.create(null),o=e.invertedIndex,a=new t.TokenSet.Builder,u=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 l=0;l<i.length;l++){var h=i[l],m=h[0],v=h[1];r[m]=new t.Vector(v)}for(var l=0;l<o.length;l++){var h=o[l],b=h[0],y=h[1];a.insert(b),s[b]=y}return a.finish(),n.fields=e.fields,n.fieldVectors=r,n.invertedIndex=s,n.tokenSet=a.root,n.pipeline=u,new t.Index(n)};t.Builder=function(){this._ref="id
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'"+e+"' contains illegal character
'/'");this._fields[e]=n||{}},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,n){var r=e[this._ref],i=Object.keys(this._fields);this._documents[r]=n||{},this.documentCount+=1;for(var s=0;s<i.length;s++){var o=i[s],a=this._fields[o].extractor,u=a?a(e):e[o],l=this.tokenizer(u,{fields:[o]}),h=this.pipeline.run(l),m=new t.FieldRef(r,o),v=Object.create(null);this.fieldTermFrequencies[m]=v,this.fieldLengths[m]=0,this.fieldLengths[m]+=h.length;for(var b=0;b<h.length;b++){var y=h[b];if(v[y]==null&&(v[y]=0),v[y]+=1,this.invertedIndex[y]==null){var E=Object.create(null);E._index=this.termIndex,this.termIndex+=1;for(var f=0;f<i.length;f++)E[i[f]]=Object.create(null);this.invertedIndex[y]=E}this.invertedIndex[y][o][r]==null&&(this.invertedIndex[y][o][r]=Object.create(null));for(var p=0;p<this.metadataWhitelist.length;p++){var w=this.metadataWhitelist[p],S=y.metadata[w];this.invertedIndex[y][o][r][w]==null&&(this.invertedIndex[y][o][r][w]=[]),this.invertedIndex[y][o][r][w].push(S)}}}},t.Builder.prototype.calculateAverageFieldLengths=function(){for(var e=Object.keys(this.fieldLengths),n=e.length,r={},i={},s=0;s<n;s++){var o=t.FieldRef.fromString(e[s]),a=o.fieldName;i[a]||(i[a]=0),i[a]+=1,r[a]||(r[a]=0),r[a]+=this.fieldLengths[o]}for(var u=Object.keys(this._fields),s=0;s<u.length;s++){var l=u[s];r[l]=r[l]/i[l]}this.averageFieldLength=r},t.Builder.prototype.createFieldVectors=function(){for(var e={},n=Object.keys(this.fieldTermFrequencies),r=n.length,i=Object.create(null),s=0;s<r;s++){for(var o=t.FieldRef.fromString(n[s]),a=o.fieldName,u=this.fieldLengths[o],l=new t.Vector,h=this.fieldTermFrequencies[o],m=Object.keys(h),v=m.length,b=this._fields[a].boost||1,y=this._documents[o.docRef].boost||1,E=0;E<v;E++){var f=m[E],p=h[f],w=this.invertedIndex[f]._index,S,I,_;i[f]===void 0?(S=t.idf(this.invertedIndex[f],this.documentCount),i[f]=S):S=i[f],I=S*((this._k1+1)*p)/(this._k1*(1-this._b+this._b*(u/this.averageFieldLength[a]))+p),I*=b,I*=y,_=Math.round(I*1e3)/1e3,l.insert(w,_)}e[o]=l}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 n=Array.prototype.slice.call(arguments,1);n.unshift(this),e.apply(this,n)},t.MatchData=function(e,n,r){for(var i=Object.create(null),s=Object.keys(r||{}),o=0;o<s.length;o++){var a=s[o];i[a]=r[a].slice()}this.metadata=Object.create(null),e!==void 0&&(this.metadata[e]=Object.create(null),this.metadata[e][n]=i)},t.MatchData.prototype.combine=function(e){for(var n=Object.keys(e.metadata),r=0;r<n.length;r++){var i=n[r],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],u=Object.keys(e.metadata[i][a]);this.metadata[i][a]==null&&(this.metadata[i][a]=Object.create(null));for(var l=0;l<u.length;l++){var h=u[l];this.metadata[i][a][h]==null?this.metadata[i][a][h]=e.metadata[i][a][h]:this.metadata[i][a][h]=this.metadata[i][a][h].concat(e.metadata[i][a][h])}}}},t.MatchData.prototype.add=function(e,n,r){if(!(e in this.metadata)){this.metadata[e]=Object.create(null),this.metadata[e][n]=r;return}if(!(n in this.metadata[e])){this.metadata[e][n]=r;return}for(var i=Object.keys(r),s=0;s<i.length;s++){var o=i[s];o in this.metadata[e][n]?this.metadata[e][n][o]=this.metadata[e][n][o].concat(r[o]):this.metadata[e][n][o]=r[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
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"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
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",t.QueryLexer.FIELD="FIELD
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"+n.type;throw n.str.length>=1&&(r+=" with value
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, found nothing
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, found
'"+i.type+"'";throw new t.QueryParseError(r,i.start,i.end)}}},t.QueryParser.parseField=function(e){var n=e.consumeLexeme();if(n!=null){if(e.query.allFields.indexOf(n.str)==-1){var r=e.query.allFields.map(function(o){return"'"+o+"'"}).join(", "),i="unrecognised field
'"+n.str+"', possible fields
: "+r;throw new t.QueryParseError(i,n.start,n.end)}e.currentClause.fields=[n.str];var s=e.peekLexeme();if(s==null){var i="expecting term
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, found
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7 * Copyright (C) 2020 Oliver Nightingale
11 * Copyright (C) 2020 Oliver Nightingale
15 * Copyright (C) 2020 Oliver Nightingale
19 * Copyright (C) 2020 Oliver Nightingale
23 * Copyright (C) 2020 Oliver Nightingale
27 * Copyright (C) 2020 Oliver Nightingale
31 * Copyright (C) 2020 Oliver Nightingale
32 * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
36 * Copyright (C) 2020 Oliver Nightingale
40 * Copyright (C) 2020 Oliver Nightingale
44 * Copyright (C) 2020 Oliver Nightingale
48 * Copyright (C) 2020 Oliver Nightingale
51 * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9
52 * Copyright (C) 2020 Oliver Nightingale