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 * lunr.trimmer
 * Copyright (C) 2019 Oliver Nightingale
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/*!
 * lunr.TokenSet
 * Copyright (C) 2019 Oliver Nightingale
 */,D.TokenSet=function(){this.final=!1,this.edges={},this.id=D.TokenSet._nextId,D.TokenSet._nextId+=1},D.TokenSet._nextId=1,D.TokenSet.fromArray=function(e){for(var t=new D.TokenSet.Builder,n=0,r=e.length;n<r;n++)t.insert(e[n]);return t.finish(),t.root},D.TokenSet.fromClause=function(e){return"editDistance"in e?D.TokenSet.fromFuzzyString(e.term,e.editDistance):D.TokenSet.fromString(e.term)},D.TokenSet.fromFuzzyString=function(e,t){for(var n=new D.TokenSet,r=[{node:n,editsRemaining:t,str:e}];r.length;){var i=r.pop();if(0<i.str.length){var o,a=i.str.charAt(0);a in i.node.edges?o=i.node.edges[a]:(o=new D.TokenSet,i.node.edges[a]=o),1==i.str.length&&(o.final=!0),r.push({node:o,editsRemaining:i.editsRemaining,str:i.str.slice(1)})}if(0!=i.editsRemaining){if("*"in i.node.edges)var s=i.node.edges["*"];else{s=new D.TokenSet;i.node.edges["*"]=s}if(0==i.str.length&&(s.final=!0),r.push({node:s,editsRemaining:i.editsRemaining-1,str:i.str}),1<i.str.length&&r.push({node:i.node,editsRemaining:i.editsRemaining-1,str:i.str.slice(1)}),1==i.str.length&&(i.node.final=!0),1<=i.str.length){if("*"in i.node.edges)var c=i.node.edges["*"];else{c=new D.TokenSet;i.node.edges["*"]=c}1==i.str.length&&(c.final=!0),r.push({node:c,editsRemaining:i.editsRemaining-1,str:i.str.slice(1)})}if(1<i.str.length){var l,u=i.str.charAt(0),f=i.str.charAt(1);f in i.node.edges?l=i.node.edges[f]:(l=new D.TokenSet,i.node.edges[f]=l),1==i.str.length&&(l.final=!0),r.push({node:l,editsRemaining:i.editsRemaining-1,str:u+i.str.slice(2)})}}}return n},D.TokenSet.fromString=function(e){for(var t=new D.TokenSet,n=t,r=0,i=e.length;r<i;r++){var o=e[r],a=r==i-1;if("*"==o)(t.edges[o]=t).final=a;else{var s=new D.TokenSet;s.final=a,t.edges[o]=s,t=s}}return n},D.TokenSet.prototype.toArray=function(){for(var e=[],t=[{prefix:"",node:this}];t.length;){var n=t.pop(),r=Object.keys(n.node.edges),i=r.length;n.node.final&&(n.prefix.charAt(0),e.push(n.prefix));for(var o=0;o<i;o++){var a=r[o];t.push({prefix:n.prefix.concat(a),node:n.node.edges[a]})}}return e},D.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var e=this.final?"1":"0",t=Object.keys(this.edges).sort(),n=t.length,r=0;r<n;r++){var i=t[r];e=e+i+this.edges[i].id}return e},D.TokenSet.prototype.intersect=function(e){for(var t=new D.TokenSet,n=void 0,r=[{qNode:e,output:t,node:this}];r.length;){n=r.pop();for(var i=Object.keys(n.qNode.edges),o=i.length,a=Object.keys(n.node.edges),s=a.length,c=0;c<o;c++)for(var l=i[c],u=0;u<s;u++){var f=a[u];if(f==l||"*"==l){var d=n.node.edges[f],h=n.qNode.edges[l],p=d.final&&h.final,m=void 0;f in n.output.edges?(m=n.output.edges[f]).final=m.final||p:((m=new D.TokenSet).final=p,n.output.edges[f]=m),r.push({qNode:h,output:m,node:d})}}}return t},D.TokenSet.Builder=function(){this.previousWord="",this.root=new D.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},D.TokenSet.Builder.prototype.insert=function(e){var t,n=0;if(e<this.previousWord)throw new Error("Out of order word insertion");for(var r=0;r<e.length&&r<this.previousWord.length&&e[r]==this.previousWord[r];r++)n++;this.minimize(n),t=0==this.uncheckedNodes.length?this.root:this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(r=n;r<e.length;r++){var i=new D.TokenSet,o=e[r];t.edges[o]=i,this.uncheckedNodes.push({parent:t,char:o,child:i}),t=i}t.final=!0,this.previousWord=e},D.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},D.TokenSet.Builder.prototype.minimize=function(e){for(var t=this.uncheckedNodes.length-1;e<=t;t--){var n=this.uncheckedNodes[t],r=n.child.toString();r in this.minimizedNodes?n.parent.edges[n.char]=this.minimizedNodes[r]:(n.child._str=r,this.minimizedNodes[r]=n.child),this.uncheckedNodes.pop()}}
/*!
 * lunr.Index
 * Copyright (C) 2019 Oliver Nightingale
 */,D.Index=function(e){this.invertedIndex=e.invertedIndex,this.fieldVectors=e.fieldVectors,this.tokenSet=e.tokenSet,this.fields=e.fields,this.pipeline=e.pipeline},D.Index.prototype.search=function(t){return this.query(function(e){new D.QueryParser(t,e).parse()})},D.Index.prototype.query=function(e){for(var t=new D.Query(this.fields),n=Object.create(null),r=Object.create(null),i=Object.create(null),o=Object.create(null),a=Object.create(null),s=0;s<this.fields.length;s++)r[this.fields[s]]=new D.Vector;e.call(t,t);for(s=0;s<t.clauses.length;s++){var c=t.clauses[s],l=null,u=D.Set.complete;l=c.usePipeline?this.pipeline.runString(c.term,{fields:c.fields}):[c.term];for(var f=0;f<l.length;f++){var d=l[f];c.term=d;var h=D.TokenSet.fromClause(c),p=this.tokenSet.intersect(h).toArray();if(0===p.length&&c.presence===D.Query.presence.REQUIRED){for(var m=0;m<c.fields.length;m++){o[P=c.fields[m]]=D.Set.empty}break}for(var y=0;y<p.length;y++){var v=p[y],g=this.invertedIndex[v],w=g._index;for(m=0;m<c.fields.length;m++){var _=g[P=c.fields[m]],E=Object.keys(_),x=v+"/"+P,b=new D.Set(E);if(c.presence==D.Query.presence.REQUIRED&&(u=u.union(b),void 0===o[P]&&(o[P]=D.Set.complete)),c.presence!=D.Query.presence.PROHIBITED){if(r[P].upsert(w,c.boost,function(e,t){return e+t}),!i[x]){for(var k=0;k<E.length;k++){var S,T=E[k],L=new D.FieldRef(T,P),R=_[T];void 0===(S=n[L])?n[L]=new D.MatchData(v,P,R):S.add(v,P,R)}i[x]=!0}}else void 0===a[P]&&(a[P]=D.Set.empty),a[P]=a[P].union(b)}}}if(c.presence===D.Query.presence.REQUIRED)for(m=0;m<c.fields.length;m++){o[P=c.fields[m]]=o[P].intersect(u)}}var O=D.Set.complete,C=D.Set.empty;for(s=0;s<this.fields.length;s++){var P;o[P=this.fields[s]]&&(O=O.intersect(o[P])),a[P]&&(C=C.union(a[P]))}var Q=Object.keys(n),A=[],I=Object.create(null);if(t.isNegated()){Q=Object.keys(this.fieldVectors);for(s=0;s<Q.length;s++){L=Q[s];var M=D.FieldRef.fromString(L);n[L]=new D.MatchData}}for(s=0;s<Q.length;s++){var N=(M=D.FieldRef.fromString(Q[s])).docRef;if(O.contains(N)&&!C.contains(N)){var j,F=this.fieldVectors[M],H=r[M.fieldName].similarity(F);if(void 0!==(j=I[N]))j.score+=H,j.matchData.combine(n[M]);else{var q={ref:N,score:H,matchData:n[M]};I[N]=q,A.push(q)}}}return A.sort(function(e,t){return t.score-e.score})},D.Index.prototype.toJSON=function(){var e=Object.keys(this.invertedIndex).sort().map(function(e){return[e,this.invertedIndex[e]]},this),t=Object.keys(this.fieldVectors).map(function(e){return[e,this.fieldVectors[e].toJSON()]},this);return{version:D.version,fields:this.fields,fieldVectors:t,invertedIndex:e,pipeline:this.pipeline.toJSON()}},D.Index.load=function(e){var t={},n={},r=e.fieldVectors,i=Object.create(null),o=e.invertedIndex,a=new D.TokenSet.Builder,s=D.Pipeline.load(e.pipeline);e.version!=D.version&&D.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+D.version+"' does not match serialized index '"+e.version+"'");for(var c=0;c<r.length;c++){var l=(f=r[c])[0],u=f[1];n[l]=new D.Vector(u)}for(c=0;c<o.length;c++){var f,d=(f=o[c])[0],h=f[1];a.insert(d),i[d]=h}return a.finish(),t.fields=e.fields,t.fieldVectors=n,t.invertedIndex=i,t.tokenSet=a.root,t.pipeline=s,new D.Index(t)}
/*!
 * lunr.Builder
 * Copyright (C) 2019 Oliver Nightingale
 */,D.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=D.tokenizer,this.pipeline=new D.Pipeline,this.searchPipeline=new D.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},D.Builder.prototype.ref=function(e){this._ref=e},D.Builder.prototype.field=function(e,t){if(/\//.test(e))throw new RangeError("Field '"+e+"' contains illegal character '/'");this._fields[e]=t||{}},D.Builder.prototype.b=function(e){this._b=e<0?0:1<e?1:e},D.Builder.prototype.k1=function(e){this._k1=e},D.Builder.prototype.add=function(e,t){var n=e[this._ref],r=Object.keys(this._fields);this._documents[n]=t||{},this.documentCount+=1;for(var i=0;i<r.length;i++){var o=r[i],a=this._fields[o].extractor,s=a?a(e):e[o],c=this.tokenizer(s,{fields:[o]}),l=this.pipeline.run(c),u=new D.FieldRef(n,o),f=Object.create(null);this.fieldTermFrequencies[u]=f,this.fieldLengths[u]=0,this.fieldLengths[u]+=l.length;for(var d=0;d<l.length;d++){var h=l[d];if(null==f[h]&&(f[h]=0),f[h]+=1,null==this.invertedIndex[h]){var p=Object.create(null);p._index=this.termIndex,this.termIndex+=1;for(var m=0;m<r.length;m++)p[r[m]]=Object.create(null);this.invertedIndex[h]=p}null==this.invertedIndex[h][o][n]&&(this.invertedIndex[h][o][n]=Object.create(null));for(var y=0;y<this.metadataWhitelist.length;y++){var v=this.metadataWhitelist[y],g=h.metadata[v];null==this.invertedIndex[h][o][n][v]&&(this.invertedIndex[h][o][n][v]=[]),this.invertedIndex[h][o][n][v].push(g)}}}},D.Builder.prototype.calculateAverageFieldLengths=function(){for(var e=Object.keys(this.fieldLengths),t=e.length,n={},r={},i=0;i<t;i++){var o=D.FieldRef.fromString(e[i]),a=o.fieldName;r[a]||(r[a]=0),r[a]+=1,n[a]||(n[a]=0),n[a]+=this.fieldLengths[o]}var s=Object.keys(this._fields);for(i=0;i<s.length;i++){var c=s[i];n[c]=n[c]/r[c]}this.averageFieldLength=n},D.Builder.prototype.createFieldVectors=function(){for(var e={},t=Object.keys(this.fieldTermFrequencies),n=t.length,r=Object.create(null),i=0;i<n;i++){for(var o=D.FieldRef.fromString(t[i]),a=o.fieldName,s=this.fieldLengths[o],c=new D.Vector,l=this.fieldTermFrequencies[o],u=Object.keys(l),f=u.length,d=this._fields[a].boost||1,h=this._documents[o.docRef].boost||1,p=0;p<f;p++){var m,y,v,g=u[p],w=l[g],_=this.invertedIndex[g]._index;void 0===r[g]?(m=D.idf(this.invertedIndex[g],this.documentCount),r[g]=m):m=r[g],y=m*((this._k1+1)*w)/(this._k1*(1-this._b+this._b*(s/this.averageFieldLength[a]))+w),y*=d,y*=h,v=Math.round(1e3*y)/1e3,c.insert(_,v)}e[o]=c}this.fieldVectors=e},D.Builder.prototype.createTokenSet=function(){this.tokenSet=D.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},D.Builder.prototype.build=function(){return this.calculateAverageFieldLengths(),this.createFieldVectors(),this.createTokenSet(),new D.Index({invertedIndex:this.invertedIndex,fieldVectors:this.fieldVectors,tokenSet:this.tokenSet,fields:Object.keys(this._fields),pipeline:this.searchPipeline})},D.Builder.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},D.MatchData=function(e,t,n){for(var r=Object.create(null),i=Object.keys(n||{}),o=0;o<i.length;o++){var a=i[o];r[a]=n[a].slice()}this.metadata=Object.create(null),void 0!==e&&(this.metadata[e]=Object.create(null),this.metadata[e][t]=r)},D.MatchData.prototype.combine=function(e){for(var t=Object.keys(e.metadata),n=0;n<t.length;n++){var r=t[n],i=Object.keys(e.metadata[r]);null==this.metadata[r]&&(this.metadata[r]=Object.create(null));for(var o=0;o<i.length;o++){var a=i[o],s=Object.keys(e.metadata[r][a]);null==this.metadata[r][a]&&(this.metadata[r][a]=Object.create(null));for(var c=0;c<s.length;c++){var l=s[c];null==this.metadata[r][a][l]?this.metadata[r][a][l]=e.metadata[r][a][l]:this.metadata[r][a][l]=this.metadata[r][a][l].concat(e.metadata[r][a][l])}}}},D.MatchData.prototype.add=function(e,t,n){if(!(e in this.metadata))return this.metadata[e]=Object.create(null),void(this.metadata[e][t]=n);if(t in this.metadata[e])for(var r=Object.keys(n),i=0;i<r.length;i++){var o=r[i];o in this.metadata[e][t]?this.metadata[e][t][o]=this.metadata[e][t][o].concat(n[o]):this.metadata[e][t][o]=n[o]}else this.metadata[e][t]=n},D.Query=function(e){this.clauses=[],this.allFields=e},D.Query.wildcard=new String("*"),D.Query.wildcard.NONE=0,D.Query.wildcard.LEADING=1,D.Query.wildcard.TRAILING=2,D.Query.presence={OPTIONAL:1,REQUIRED:2,PROHIBITED:3},D.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=D.Query.wildcard.NONE),e.wildcard&D.Query.wildcard.LEADING&&e.term.charAt(0)!=D.Query.wildcard&&(e.term="*"+e.term),e.wildcard&D.Query.wildcard.TRAILING&&e.term.slice(-1)!=D.Query.wildcard&&(e.term=e.term+"*"),"presence"in e||(e.presence=D.Query.presence.OPTIONAL),this.clauses.push(e),this},D.Query.prototype.isNegated=function(){for(var e=0;e<this.clauses.length;e++)if(this.clauses[e].presence!=D.Query.presence.PROHIBITED)return!1;return!0},D.Query.prototype.term=function(e,t){if(Array.isArray(e))return e.forEach(function(e){this.term(e,D.utils.clone(t))},this),this;var n=t||{};return n.term=e.toString(),this.clause(n),this},D.QueryParseError=function(e,t,n){this.name="QueryParseError",this.message=e,this.start=t,this.end=n},D.QueryParseError.prototype=new Error,D.QueryLexer=function(e){this.lexemes=[],this.str=e,this.length=e.length,this.pos=0,this.start=0,this.escapeCharPositions=[]},D.QueryLexer.prototype.run=function(){for(var e=D.QueryLexer.lexText;e;)e=e(this)},D.QueryLexer.prototype.sliceString=function(){for(var e=[],t=this.start,n=this.pos,r=0;r<this.escapeCharPositions.length;r++)n=this.escapeCharPositions[r],e.push(this.str.slice(t,n)),t=n+1;return e.push(this.str.slice(t,this.pos)),this.escapeCharPositions.length=0,e.join("")},D.QueryLexer.prototype.emit=function(e){this.lexemes.push({type:e,str:this.sliceString(),start:this.start,end:this.pos}),this.start=this.pos},D.QueryLexer.prototype.escapeCharacter=function(){this.escapeCharPositions.push(this.pos-1),this.pos+=1},D.QueryLexer.prototype.next=function(){if(this.pos>=this.length)return D.QueryLexer.EOS;var e=this.str.charAt(this.pos);return this.pos+=1,e},D.QueryLexer.prototype.width=function(){return this.pos-this.start},D.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},D.QueryLexer.prototype.backup=function(){this.pos-=1},D.QueryLexer.prototype.acceptDigitRun=function(){for(var e,t;47<(t=(e=this.next()).charCodeAt(0))&&t<58;);e!=D.QueryLexer.EOS&&this.backup()},D.QueryLexer.prototype.more=function(){return this.pos<this.length},D.QueryLexer.EOS="EOS",D.QueryLexer.FIELD="FIELD",D.QueryLexer.TERM="TERM",D.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",D.QueryLexer.BOOST="BOOST",D.QueryLexer.PRESENCE="PRESENCE",D.QueryLexer.lexField=function(e){return e.backup(),e.emit(D.QueryLexer.FIELD),e.ignore(),D.QueryLexer.lexText},D.QueryLexer.lexTerm=function(e){if(1<e.width()&&(e.backup(),e.emit(D.QueryLexer.TERM)),e.ignore(),e.more())return D.QueryLexer.lexText},D.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(D.QueryLexer.EDIT_DISTANCE),D.QueryLexer.lexText},D.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(D.QueryLexer.BOOST),D.QueryLexer.lexText},D.QueryLexer.lexEOS=function(e){0<e.width()&&e.emit(D.QueryLexer.TERM)},D.QueryLexer.termSeparator=D.tokenizer.separator,D.QueryLexer.lexText=function(e){for(;;){var t=e.next();if(t==D.QueryLexer.EOS)return D.QueryLexer.lexEOS;if(92!=t.charCodeAt(0)){if(":"==t)return D.QueryLexer.lexField;if("~"==t)return e.backup(),0<e.width()&&e.emit(D.QueryLexer.TERM),D.QueryLexer.lexEditDistance;if("^"==t)return e.backup(),0<e.width()&&e.emit(D.QueryLexer.TERM),D.QueryLexer.lexBoost;if("+"==t&&1===e.width())return e.emit(D.QueryLexer.PRESENCE),D.QueryLexer.lexText;if("-"==t&&1===e.width())return e.emit(D.QueryLexer.PRESENCE),D.QueryLexer.lexText;if(t.match(D.QueryLexer.termSeparator))return D.QueryLexer.lexTerm}else e.escapeCharacter()}},D.QueryParser=function(e,t){this.lexer=new D.QueryLexer(e),this.query=t,this.currentClause={},this.lexemeIdx=0},D.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=D.QueryParser.parseClause;e;)e=e(this);return this.query},D.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},D.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},D.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},D.QueryParser.parseClause=function(e){var t=e.peekLexeme();if(null!=t)switch(t.type){case D.QueryLexer.PRESENCE:return D.QueryParser.parsePresence;case D.QueryLexer.FIELD:return D.QueryParser.parseField;case D.QueryLexer.TERM:return D.QueryParser.parseTerm;default:var n="expected either a field or a term, found "+t.type;throw 1<=t.str.length&&(n+=" with value '"+t.str+"'"),new D.QueryParseError(n,t.start,t.end)}},D.QueryParser.parsePresence=function(e){var t=e.consumeLexeme();if(null!=t){switch(t.str){case"-":e.currentClause.presence=D.Query.presence.PROHIBITED;break;case"+":e.currentClause.presence=D.Query.presence.REQUIRED;break;default:var n="unrecognised presence operator'"+t.str+"'";throw new D.QueryParseError(n,t.start,t.end)}var r=e.peekLexeme();if(null==r){n="expecting term or field, found nothing";throw new D.QueryParseError(n,t.start,t.end)}switch(r.type){case D.QueryLexer.FIELD:return D.QueryParser.parseField;case D.QueryLexer.TERM:return D.QueryParser.parseTerm;default:n="expecting term or field, found '"+r.type+"'";throw new D.QueryParseError(n,r.start,r.end)}}},D.QueryParser.parseField=function(e){var t=e.consumeLexeme();if(null!=t){if(-1==e.query.allFields.indexOf(t.str)){var n=e.query.allFields.map(function(e){return"'"+e+"'"}).join(", "),r="unrecognised field '"+t.str+"', possible fields: "+n;throw new D.QueryParseError(r,t.start,t.end)}e.currentClause.fields=[t.str];var i=e.peekLexeme();if(null==i){r="expecting term, found nothing";throw new D.QueryParseError(r,t.start,t.end)}switch(i.type){case D.QueryLexer.TERM:return D.QueryParser.parseTerm;default:r="expecting term, found '"+i.type+"'";throw new D.QueryParseError(r,i.start,i.end)}}},D.QueryParser.parseTerm=function(e){var t=e.consumeLexeme();if(null!=t){e.currentClause.term=t.str.toLowerCase(),-1!=t.str.indexOf("*")&&(e.currentClause.usePipeline=!1);var n=e.peekLexeme();if(null!=n)switch(n.type){case D.QueryLexer.TERM:return e.nextClause(),D.QueryParser.parseTerm;case D.QueryLexer.FIELD:return e.nextClause(),D.QueryParser.parseField;case D.QueryLexer.EDIT_DISTANCE:return D.QueryParser.parseEditDistance;case D.QueryLexer.BOOST:return D.QueryParser.parseBoost;case D.QueryLexer.PRESENCE:return e.nextClause(),D.QueryParser.parsePresence;default:var r="Unexpected lexeme type '"+n.type+"'";throw new D.QueryParseError(r,n.start,n.end)}else e.nextClause()}},D.QueryParser.parseEditDistance=function(e){var t=e.consumeLexeme();if(null!=t){var n=parseInt(t.str,10);if(isNaN(n)){var r="edit distance must be numeric";throw new D.QueryParseError(r,t.start,t.end)}e.currentClause.editDistance=n;var i=e.peekLexeme();if(null!=i)switch(i.type){case D.QueryLexer.TERM:return e.nextClause(),D.QueryParser.parseTerm;case D.QueryLexer.FIELD:return e.nextClause(),D.QueryParser.parseField;case D.QueryLexer.EDIT_DISTANCE:return D.QueryParser.parseEditDistance;case D.QueryLexer.BOOST:return D.QueryParser.parseBoost;case D.QueryLexer.PRESENCE:return e.nextClause(),D.QueryParser.parsePresence;default:r="Unexpected lexeme type '"+i.type+"'";throw new D.QueryParseError(r,i.start,i.end)}else e.nextClause()}},D.QueryParser.parseBoost=function(e){var t=e.consumeLexeme();if(null!=t){var n=parseInt(t.str,10);if(isNaN(n)){var r="boost must be numeric";throw new D.QueryParseError(r,t.start,t.end)}e.currentClause.boost=n;var i=e.peekLexeme();if(null!=i)switch(i.type){case D.QueryLexer.TERM:return e.nextClause(),D.QueryParser.parseTerm;case D.QueryLexer.FIELD:return e.nextClause(),D.QueryParser.parseField;case D.QueryLexer.EDIT_DISTANCE:return D.QueryParser.parseEditDistance;case D.QueryLexer.BOOST:return D.QueryParser.parseBoost;case D.QueryLexer.PRESENCE:return e.nextClause(),D.QueryParser.parsePresence;default:r="Unexpected lexeme type '"+i.type+"'";throw new D.QueryParseError(r,i.start,i.end)}else e.nextClause()}},void 0===(c="function"==typeof(s=function(){return D})?s.call(o,a,o,i):s)||(i.exports=c)}()}]));