From b036694b7d7ad7a0abcd5f6adacb2409c8262740 Mon Sep 17 00:00:00 2001
From: "modern.lim" <modern.lim@navercorp.com>
Date: Mon, 11 Dec 2017 12:03:16 +0900
Subject: [PATCH] upgrade lunr to version 2.1.5

---
 .gitignore         |  4 +---
 assets/lunr.min.js |  5 +++++
 index.js           |  7 ++++---
 package.json       | 28 +++++++++++++---------------
 4 files changed, 23 insertions(+), 21 deletions(-)
 create mode 100644 assets/lunr.min.js

diff --git a/.gitignore b/.gitignore
index f72d178..6407ee1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,4 @@ build/Release
 node_modules
 
 # vim swapfile
-*.swp
-
-assets/lunr.min.js
+*.swp
\ No newline at end of file
diff --git a/assets/lunr.min.js b/assets/lunr.min.js
new file mode 100644
index 0000000..d722e73
--- /dev/null
+++ b/assets/lunr.min.js
@@ -0,0 +1,5 @@
+/**
+ * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.1.5
+ * Copyright (C) 2017 Oliver Nightingale
+ * @license MIT
+ */!function(){var e=function(t){var r=new e.Builder;return r.pipeline.add(e.trimmer,e.stopWordFilter,e.stemmer),r.searchPipeline.add(e.stemmer),t.call(r,r),r.build()};e.version="2.1.5",e.utils={},e.utils.warn=function(e){return function(t){e.console&&console.warn&&console.warn(t)}}(this),e.utils.asString=function(e){return void 0===e||null===e?"":e.toString()},e.FieldRef=function(e,t,r){this.docRef=e,this.fieldName=t,this._stringValue=r},e.FieldRef.joiner="/",e.FieldRef.fromString=function(t){var r=t.indexOf(e.FieldRef.joiner);if(-1===r)throw"malformed field ref string";var i=t.slice(0,r),n=t.slice(r+1);return new e.FieldRef(n,i,t)},e.FieldRef.prototype.toString=function(){return void 0==this._stringValue&&(this._stringValue=this.fieldName+e.FieldRef.joiner+this.docRef),this._stringValue},e.idf=function(e,t){var r=0;for(var i in e)"_index"!=i&&(r+=Object.keys(e[i]).length);var n=(t-r+.5)/(r+.5);return Math.log(1+Math.abs(n))},e.Token=function(e,t){this.str=e||"",this.metadata=t||{}},e.Token.prototype.toString=function(){return this.str},e.Token.prototype.update=function(e){return this.str=e(this.str,this.metadata),this},e.Token.prototype.clone=function(t){return t=t||function(e){return e},new e.Token(t(this.str,this.metadata),this.metadata)},e.tokenizer=function(t){if(null==t||void 0==t)return[];if(Array.isArray(t))return t.map(function(t){return new e.Token(e.utils.asString(t).toLowerCase())});for(var r=t.toString().trim().toLowerCase(),i=r.length,n=[],s=0,o=0;s<=i;s++){var a=s-o;(r.charAt(s).match(e.tokenizer.separator)||s==i)&&(a>0&&n.push(new e.Token(r.slice(o,s),{position:[o,a],index:n.length})),o=s+1)}return n},e.tokenizer.separator=/[\s\-]+/,e.Pipeline=function(){this._stack=[]},e.Pipeline.registeredFunctions=Object.create(null),e.Pipeline.registerFunction=function(t,r){r in this.registeredFunctions&&e.utils.warn("Overwriting existing registered function: "+r),t.label=r,e.Pipeline.registeredFunctions[t.label]=t},e.Pipeline.warnIfFunctionNotRegistered=function(t){t.label&&t.label in this.registeredFunctions||e.utils.warn("Function is not registered with pipeline. This may cause problems when serialising the index.\n",t)},e.Pipeline.load=function(t){var r=new e.Pipeline;return t.forEach(function(t){var i=e.Pipeline.registeredFunctions[t];if(!i)throw new Error("Cannot load unregistered function: "+t);r.add(i)}),r},e.Pipeline.prototype.add=function(){Array.prototype.slice.call(arguments).forEach(function(t){e.Pipeline.warnIfFunctionNotRegistered(t),this._stack.push(t)},this)},e.Pipeline.prototype.after=function(t,r){e.Pipeline.warnIfFunctionNotRegistered(r);var i=this._stack.indexOf(t);if(-1==i)throw new Error("Cannot find existingFn");i+=1,this._stack.splice(i,0,r)},e.Pipeline.prototype.before=function(t,r){e.Pipeline.warnIfFunctionNotRegistered(r);var i=this._stack.indexOf(t);if(-1==i)throw new Error("Cannot find existingFn");this._stack.splice(i,0,r)},e.Pipeline.prototype.remove=function(e){var t=this._stack.indexOf(e);-1!=t&&this._stack.splice(t,1)},e.Pipeline.prototype.run=function(e){for(var t=this._stack.length,r=0;r<t;r++){var i=this._stack[r];e=e.reduce(function(t,r,n){var s=i(r,n,e);return void 0===s||""===s?t:t.concat(s)},[])}return e},e.Pipeline.prototype.runString=function(t){var r=new e.Token(t);return this.run([r]).map(function(e){return e.toString()})},e.Pipeline.prototype.reset=function(){this._stack=[]},e.Pipeline.prototype.toJSON=function(){return this._stack.map(function(t){return e.Pipeline.warnIfFunctionNotRegistered(t),t.label})},e.Vector=function(e){this._magnitude=0,this.elements=e||[]},e.Vector.prototype.positionForIndex=function(e){if(0==this.elements.length)return 0;for(var t=0,r=this.elements.length/2,i=r-t,n=Math.floor(i/2),s=this.elements[2*n];i>1&&(s<e&&(t=n),s>e&&(r=n),s!=e);)i=r-t,n=t+Math.floor(i/2),s=this.elements[2*n];return s==e?2*n:s>e?2*n:s<e?2*(n+1):void 0},e.Vector.prototype.insert=function(e,t){this.upsert(e,t,function(){throw"duplicate index"})},e.Vector.prototype.upsert=function(e,t,r){this._magnitude=0;var i=this.positionForIndex(e);this.elements[i]==e?this.elements[i+1]=r(this.elements[i+1],t):this.elements.splice(i,0,e,t)},e.Vector.prototype.magnitude=function(){if(this._magnitude)return this._magnitude;for(var e=0,t=this.elements.length,r=1;r<t;r+=2){var i=this.elements[r];e+=i*i}return this._magnitude=Math.sqrt(e)},e.Vector.prototype.dot=function(e){for(var t=0,r=this.elements,i=e.elements,n=r.length,s=i.length,o=0,a=0,u=0,l=0;u<n&&l<s;)(o=r[u])<(a=i[l])?u+=2:o>a?l+=2:o==a&&(t+=r[u+1]*i[l+1],u+=2,l+=2);return t},e.Vector.prototype.similarity=function(e){return this.dot(e)/(this.magnitude()*e.magnitude())},e.Vector.prototype.toArray=function(){for(var e=new Array(this.elements.length/2),t=1,r=0;t<this.elements.length;t+=2,r++)e[r]=this.elements[t];return e},e.Vector.prototype.toJSON=function(){return this.elements},e.stemmer=function(){var e={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"},t={icate:"ic",ative:"",alize:"al",iciti:"ic",ical:"ic",ful:"",ness:""},r="[aeiouy]",i="[^aeiou][^aeiouy]*",n=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*"),s=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*[aeiouy][aeiou]*[^aeiou][^aeiouy]*"),o=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*([aeiouy][aeiou]*)?$"),a=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy]"),u=/^(.+?)(ss|i)es$/,l=/^(.+?)([^s])s$/,d=/^(.+?)eed$/,h=/^(.+?)(ed|ing)$/,c=/.$/,f=/(at|bl|iz)$/,p=new RegExp("([^aeiouylsz])\\1$"),y=new RegExp("^"+i+r+"[^aeiouwxy]$"),m=/^(.+?[^aeiou])y$/,g=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,x=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,v=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,w=/^(.+?)(s|t)(ion)$/,k=/^(.+?)e$/,Q=/ll$/,L=new RegExp("^"+i+r+"[^aeiouwxy]$"),T=function(r){var i,T,S,b,P,E,I;if(r.length<3)return r;if("y"==(S=r.substr(0,1))&&(r=S.toUpperCase()+r.substr(1)),b=u,P=l,b.test(r)?r=r.replace(b,"$1$2"):P.test(r)&&(r=r.replace(P,"$1$2")),b=d,P=h,b.test(r)){O=b.exec(r);(b=n).test(O[1])&&(b=c,r=r.replace(b,""))}else if(P.test(r)){i=(O=P.exec(r))[1],(P=a).test(i)&&(E=p,I=y,(P=f).test(r=i)?r+="e":E.test(r)?(b=c,r=r.replace(b,"")):I.test(r)&&(r+="e"))}if((b=m).test(r)){r=(i=(O=b.exec(r))[1])+"i"}if((b=g).test(r)){i=(O=b.exec(r))[1],T=O[2],(b=n).test(i)&&(r=i+e[T])}if((b=x).test(r)){i=(O=b.exec(r))[1],T=O[2],(b=n).test(i)&&(r=i+t[T])}if(b=v,P=w,b.test(r)){i=(O=b.exec(r))[1],(b=s).test(i)&&(r=i)}else if(P.test(r)){i=(O=P.exec(r))[1]+O[2],(P=s).test(i)&&(r=i)}if((b=k).test(r)){var O;i=(O=b.exec(r))[1],P=o,E=L,((b=s).test(i)||P.test(i)&&!E.test(i))&&(r=i)}return b=Q,P=s,b.test(r)&&P.test(r)&&(b=c,r=r.replace(b,"")),"y"==S&&(r=S.toLowerCase()+r.substr(1)),r};return function(e){return e.update(T)}}(),e.Pipeline.registerFunction(e.stemmer,"stemmer"),e.generateStopWordFilter=function(e){var t=e.reduce(function(e,t){return e[t]=t,e},{});return function(e){if(e&&t[e.toString()]!==e.toString())return e}},e.stopWordFilter=e.generateStopWordFilter(["a","able","about","across","after","all","almost","also","am","among","an","and","any","are","as","at","be","because","been","but","by","can","cannot","could","dear","did","do","does","either","else","ever","every","for","from","get","got","had","has","have","he","her","hers","him","his","how","however","i","if","in","into","is","it","its","just","least","let","like","likely","may","me","might","most","must","my","neither","no","nor","not","of","off","often","on","only","or","other","our","own","rather","said","say","says","she","should","since","so","some","than","that","the","their","them","then","there","these","they","this","tis","to","too","twas","us","wants","was","we","were","what","when","where","which","while","who","whom","why","will","with","would","yet","you","your"]),e.Pipeline.registerFunction(e.stopWordFilter,"stopWordFilter"),e.trimmer=function(e){return e.update(function(e){return e.replace(/^\W+/,"").replace(/\W+$/,"")})},e.Pipeline.registerFunction(e.trimmer,"trimmer"),e.TokenSet=function(){this.final=!1,this.edges={},this.id=e.TokenSet._nextId,e.TokenSet._nextId+=1},e.TokenSet._nextId=1,e.TokenSet.fromArray=function(t){for(var r=new e.TokenSet.Builder,i=0,n=t.length;i<n;i++)r.insert(t[i]);return r.finish(),r.root},e.TokenSet.fromClause=function(t){return"editDistance"in t?e.TokenSet.fromFuzzyString(t.term,t.editDistance):e.TokenSet.fromString(t.term)},e.TokenSet.fromFuzzyString=function(t,r){for(var i=new e.TokenSet,n=[{node:i,editsRemaining:r,str:t}];n.length;){var s=n.pop();if(s.str.length>0){var o;(u=s.str.charAt(0))in s.node.edges?o=s.node.edges[u]:(o=new e.TokenSet,s.node.edges[u]=o),1==s.str.length?o.final=!0:n.push({node:o,editsRemaining:s.editsRemaining,str:s.str.slice(1)})}if(s.editsRemaining>0&&s.str.length>1){var a,u=s.str.charAt(1);u in s.node.edges?a=s.node.edges[u]:(a=new e.TokenSet,s.node.edges[u]=a),s.str.length<=2?a.final=!0:n.push({node:a,editsRemaining:s.editsRemaining-1,str:s.str.slice(2)})}if(s.editsRemaining>0&&1==s.str.length&&(s.node.final=!0),s.editsRemaining>0&&s.str.length>=1){if("*"in s.node.edges)l=s.node.edges["*"];else{var l=new e.TokenSet;s.node.edges["*"]=l}1==s.str.length?l.final=!0:n.push({node:l,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)})}if(s.editsRemaining>0){if("*"in s.node.edges)d=s.node.edges["*"];else{var d=new e.TokenSet;s.node.edges["*"]=d}0==s.str.length?d.final=!0:n.push({node:d,editsRemaining:s.editsRemaining-1,str:s.str})}if(s.editsRemaining>0&&s.str.length>1){var h,c=s.str.charAt(0),f=s.str.charAt(1);f in s.node.edges?h=s.node.edges[f]:(h=new e.TokenSet,s.node.edges[f]=h),1==s.str.length?h.final=!0:n.push({node:h,editsRemaining:s.editsRemaining-1,str:c+s.str.slice(2)})}}return i},e.TokenSet.fromString=function(t){for(var r=new e.TokenSet,i=r,n=!1,s=0,o=t.length;s<o;s++){var a=t[s],u=s==o-1;if("*"==a)n=!0,r.edges[a]=r,r.final=u;else{var l=new e.TokenSet;l.final=u,r.edges[a]=l,r=l,n&&(r.edges["*"]=i)}}return i},e.TokenSet.prototype.toArray=function(){for(var e=[],t=[{prefix:"",node:this}];t.length;){var r=t.pop(),i=Object.keys(r.node.edges),n=i.length;r.node.final&&e.push(r.prefix);for(var s=0;s<n;s++){var o=i[s];t.push({prefix:r.prefix.concat(o),node:r.node.edges[o]})}}return e},e.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var e=this.final?"1":"0",t=Object.keys(this.edges).sort(),r=t.length,i=0;i<r;i++){var n=t[i];e=e+n+this.edges[n].id}return e},e.TokenSet.prototype.intersect=function(t){for(var r=new e.TokenSet,i=void 0,n=[{qNode:t,output:r,node:this}];n.length;){i=n.pop();for(var s=Object.keys(i.qNode.edges),o=s.length,a=Object.keys(i.node.edges),u=a.length,l=0;l<o;l++)for(var d=s[l],h=0;h<u;h++){var c=a[h];if(c==d||"*"==d){var f=i.node.edges[c],p=i.qNode.edges[d],y=f.final&&p.final,m=void 0;c in i.output.edges?(m=i.output.edges[c]).final=m.final||y:((m=new e.TokenSet).final=y,i.output.edges[c]=m),n.push({qNode:p,output:m,node:f})}}}return r},e.TokenSet.Builder=function(){this.previousWord="",this.root=new e.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},e.TokenSet.Builder.prototype.insert=function(t){var r,i=0;if(t<this.previousWord)throw new Error("Out of order word insertion");for(n=0;n<t.length&&n<this.previousWord.length&&t[n]==this.previousWord[n];n++)i++;this.minimize(i),r=0==this.uncheckedNodes.length?this.root:this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(var n=i;n<t.length;n++){var s=new e.TokenSet,o=t[n];r.edges[o]=s,this.uncheckedNodes.push({parent:r,char:o,child:s}),r=s}r.final=!0,this.previousWord=t},e.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},e.TokenSet.Builder.prototype.minimize=function(e){for(var t=this.uncheckedNodes.length-1;t>=e;t--){var r=this.uncheckedNodes[t],i=r.child.toString();i in this.minimizedNodes?r.parent.edges[r.char]=this.minimizedNodes[i]:(r.child._str=i,this.minimizedNodes[i]=r.child),this.uncheckedNodes.pop()}},e.Index=function(e){this.invertedIndex=e.invertedIndex,this.fieldVectors=e.fieldVectors,this.tokenSet=e.tokenSet,this.fields=e.fields,this.pipeline=e.pipeline},e.Index.prototype.search=function(t){return this.query(function(r){new e.QueryParser(t,r).parse()})},e.Index.prototype.query=function(t){var r=new e.Query(this.fields),i=Object.create(null),n=Object.create(null),s=Object.create(null);t.call(r,r);for(I=0;I<r.clauses.length;I++){var o=r.clauses[I],a=null;a=o.usePipeline?this.pipeline.runString(o.term):[o.term];for(var u=0;u<a.length;u++){var l=a[u];o.term=l;for(var d=e.TokenSet.fromClause(o),h=this.tokenSet.intersect(d).toArray(),c=0;c<h.length;c++)for(var f=h[c],p=this.invertedIndex[f],y=p._index,m=0;m<o.fields.length;m++){var g=o.fields[m],x=p[g],v=Object.keys(x),w=f+"/"+g;if(void 0===n[g]&&(n[g]=new e.Vector),n[g].upsert(y,1*o.boost,function(e,t){return e+t}),!s[w]){for(var k=0;k<v.length;k++){var Q,L=v[k],T=new e.FieldRef(L,g),S=x[L];void 0===(Q=i[T])?i[T]=new e.MatchData(f,g,S):Q.add(f,g,S)}s[w]=!0}}}}for(var b=Object.keys(i),P=[],E=Object.create(null),I=0;I<b.length;I++){var O,F=e.FieldRef.fromString(b[I]),R=F.docRef,_=this.fieldVectors[F],N=n[F.fieldName].similarity(_);if(void 0!==(O=E[R]))O.score+=N,O.matchData.combine(i[F]);else{var C={ref:R,score:N,matchData:i[F]};E[R]=C,P.push(C)}}return P.sort(function(e,t){return t.score-e.score})},e.Index.prototype.toJSON=function(){var t=Object.keys(this.invertedIndex).sort().map(function(e){return[e,this.invertedIndex[e]]},this),r=Object.keys(this.fieldVectors).map(function(e){return[e,this.fieldVectors[e].toJSON()]},this);return{version:e.version,fields:this.fields,fieldVectors:r,invertedIndex:t,pipeline:this.pipeline.toJSON()}},e.Index.load=function(t){var r={},i={},n=t.fieldVectors,s={},o=t.invertedIndex,a=new e.TokenSet.Builder,u=e.Pipeline.load(t.pipeline);t.version!=e.version&&e.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+e.version+"' does not match serialized index '"+t.version+"'");for(h=0;h<n.length;h++){var l=(c=n[h])[0],d=c[1];i[l]=new e.Vector(d)}for(var h=0;h<o.length;h++){var c=o[h],f=c[0],p=c[1];a.insert(f),s[f]=p}return a.finish(),r.fields=t.fields,r.fieldVectors=i,r.invertedIndex=s,r.tokenSet=a.root,r.pipeline=u,new e.Index(r)},e.Builder=function(){this._ref="id",this._fields=[],this.invertedIndex=Object.create(null),this.fieldTermFrequencies={},this.fieldLengths={},this.tokenizer=e.tokenizer,this.pipeline=new e.Pipeline,this.searchPipeline=new e.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},e.Builder.prototype.ref=function(e){this._ref=e},e.Builder.prototype.field=function(e){this._fields.push(e)},e.Builder.prototype.b=function(e){this._b=e<0?0:e>1?1:e},e.Builder.prototype.k1=function(e){this._k1=e},e.Builder.prototype.add=function(t){var r=t[this._ref];this.documentCount+=1;for(var i=0;i<this._fields.length;i++){var n=this._fields[i],s=t[n],o=this.tokenizer(s),a=this.pipeline.run(o),u=new e.FieldRef(r,n),l=Object.create(null);this.fieldTermFrequencies[u]=l,this.fieldLengths[u]=0,this.fieldLengths[u]+=a.length;for(var d=0;d<a.length;d++){var h=a[d];if(void 0==l[h]&&(l[h]=0),l[h]+=1,void 0==this.invertedIndex[h]){var c=Object.create(null);c._index=this.termIndex,this.termIndex+=1;for(var f=0;f<this._fields.length;f++)c[this._fields[f]]=Object.create(null);this.invertedIndex[h]=c}void 0==this.invertedIndex[h][n][r]&&(this.invertedIndex[h][n][r]=Object.create(null));for(var p=0;p<this.metadataWhitelist.length;p++){var y=this.metadataWhitelist[p],m=h.metadata[y];void 0==this.invertedIndex[h][n][r][y]&&(this.invertedIndex[h][n][r][y]=[]),this.invertedIndex[h][n][r][y].push(m)}}}},e.Builder.prototype.calculateAverageFieldLengths=function(){for(var t=Object.keys(this.fieldLengths),r=t.length,i={},n={},s=0;s<r;s++){var o=e.FieldRef.fromString(t[s]);n[a=o.fieldName]||(n[a]=0),n[a]+=1,i[a]||(i[a]=0),i[a]+=this.fieldLengths[o]}for(s=0;s<this._fields.length;s++){var a=this._fields[s];i[a]=i[a]/n[a]}this.averageFieldLength=i},e.Builder.prototype.createFieldVectors=function(){for(var t={},r=Object.keys(this.fieldTermFrequencies),i=r.length,n=Object.create(null),s=0;s<i;s++){for(var o=e.FieldRef.fromString(r[s]),a=o.fieldName,u=this.fieldLengths[o],l=new e.Vector,d=this.fieldTermFrequencies[o],h=Object.keys(d),c=h.length,f=0;f<c;f++){var p,y,m,g=h[f],x=d[g],v=this.invertedIndex[g]._index;void 0===n[g]?(p=e.idf(this.invertedIndex[g],this.documentCount),n[g]=p):p=n[g],y=p*((this._k1+1)*x)/(this._k1*(1-this._b+this._b*(u/this.averageFieldLength[a]))+x),m=Math.round(1e3*y)/1e3,l.insert(v,m)}t[o]=l}this.fieldVectors=t},e.Builder.prototype.createTokenSet=function(){this.tokenSet=e.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},e.Builder.prototype.build=function(){return this.calculateAverageFieldLengths(),this.createFieldVectors(),this.createTokenSet(),new e.Index({invertedIndex:this.invertedIndex,fieldVectors:this.fieldVectors,tokenSet:this.tokenSet,fields:this._fields,pipeline:this.searchPipeline})},e.Builder.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},e.MatchData=function(e,t,r){for(var i=Object.create(null),n=Object.keys(r),s=0;s<n.length;s++){var o=n[s];i[o]=r[o].slice()}this.metadata=Object.create(null),this.metadata[e]=Object.create(null),this.metadata[e][t]=i},e.MatchData.prototype.combine=function(e){for(var t=Object.keys(e.metadata),r=0;r<t.length;r++){var i=t[r],n=Object.keys(e.metadata[i]);void 0==this.metadata[i]&&(this.metadata[i]=Object.create(null));for(var s=0;s<n.length;s++){var o=n[s],a=Object.keys(e.metadata[i][o]);void 0==this.metadata[i][o]&&(this.metadata[i][o]=Object.create(null));for(var u=0;u<a.length;u++){var l=a[u];void 0==this.metadata[i][o][l]?this.metadata[i][o][l]=e.metadata[i][o][l]:this.metadata[i][o][l]=this.metadata[i][o][l].concat(e.metadata[i][o][l])}}}},e.MatchData.prototype.add=function(e,t,r){if(!(e in this.metadata))return this.metadata[e]=Object.create(null),void(this.metadata[e][t]=r);if(t in this.metadata[e])for(var i=Object.keys(r),n=0;n<i.length;n++){var s=i[n];s in this.metadata[e][t]?this.metadata[e][t][s]=this.metadata[e][t][s].concat(r[s]):this.metadata[e][t][s]=r[s]}else this.metadata[e][t]=r},e.Query=function(e){this.clauses=[],this.allFields=e},e.Query.wildcard=new String("*"),e.Query.wildcard.NONE=0,e.Query.wildcard.LEADING=1,e.Query.wildcard.TRAILING=2,e.Query.prototype.clause=function(t){return"fields"in t||(t.fields=this.allFields),"boost"in t||(t.boost=1),"usePipeline"in t||(t.usePipeline=!0),"wildcard"in t||(t.wildcard=e.Query.wildcard.NONE),t.wildcard&e.Query.wildcard.LEADING&&t.term.charAt(0)!=e.Query.wildcard&&(t.term="*"+t.term),t.wildcard&e.Query.wildcard.TRAILING&&t.term.slice(-1)!=e.Query.wildcard&&(t.term=t.term+"*"),this.clauses.push(t),this},e.Query.prototype.term=function(e,t){var r=t||{};return r.term=e,this.clause(r),this},e.QueryParseError=function(e,t,r){this.name="QueryParseError",this.message=e,this.start=t,this.end=r},e.QueryParseError.prototype=new Error,e.QueryLexer=function(e){this.lexemes=[],this.str=e,this.length=e.length,this.pos=0,this.start=0,this.escapeCharPositions=[]},e.QueryLexer.prototype.run=function(){for(var t=e.QueryLexer.lexText;t;)t=t(this)},e.QueryLexer.prototype.sliceString=function(){for(var e=[],t=this.start,r=this.pos,i=0;i<this.escapeCharPositions.length;i++)r=this.escapeCharPositions[i],e.push(this.str.slice(t,r)),t=r+1;return e.push(this.str.slice(t,this.pos)),this.escapeCharPositions.length=0,e.join("")},e.QueryLexer.prototype.emit=function(e){this.lexemes.push({type:e,str:this.sliceString(),start:this.start,end:this.pos}),this.start=this.pos},e.QueryLexer.prototype.escapeCharacter=function(){this.escapeCharPositions.push(this.pos-1),this.pos+=1},e.QueryLexer.prototype.next=function(){if(this.pos>=this.length)return e.QueryLexer.EOS;var t=this.str.charAt(this.pos);return this.pos+=1,t},e.QueryLexer.prototype.width=function(){return this.pos-this.start},e.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},e.QueryLexer.prototype.backup=function(){this.pos-=1},e.QueryLexer.prototype.acceptDigitRun=function(){var t,r;do{r=(t=this.next()).charCodeAt(0)}while(r>47&&r<58);t!=e.QueryLexer.EOS&&this.backup()},e.QueryLexer.prototype.more=function(){return this.pos<this.length},e.QueryLexer.EOS="EOS",e.QueryLexer.FIELD="FIELD",e.QueryLexer.TERM="TERM",e.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",e.QueryLexer.BOOST="BOOST",e.QueryLexer.lexField=function(t){return t.backup(),t.emit(e.QueryLexer.FIELD),t.ignore(),e.QueryLexer.lexText},e.QueryLexer.lexTerm=function(t){if(t.width()>1&&(t.backup(),t.emit(e.QueryLexer.TERM)),t.ignore(),t.more())return e.QueryLexer.lexText},e.QueryLexer.lexEditDistance=function(t){return t.ignore(),t.acceptDigitRun(),t.emit(e.QueryLexer.EDIT_DISTANCE),e.QueryLexer.lexText},e.QueryLexer.lexBoost=function(t){return t.ignore(),t.acceptDigitRun(),t.emit(e.QueryLexer.BOOST),e.QueryLexer.lexText},e.QueryLexer.lexEOS=function(t){t.width()>0&&t.emit(e.QueryLexer.TERM)},e.QueryLexer.termSeparator=e.tokenizer.separator,e.QueryLexer.lexText=function(t){for(;;){var r=t.next();if(r==e.QueryLexer.EOS)return e.QueryLexer.lexEOS;if(92!=r.charCodeAt(0)){if(":"==r)return e.QueryLexer.lexField;if("~"==r)return t.backup(),t.width()>0&&t.emit(e.QueryLexer.TERM),e.QueryLexer.lexEditDistance;if("^"==r)return t.backup(),t.width()>0&&t.emit(e.QueryLexer.TERM),e.QueryLexer.lexBoost;if(r.match(e.QueryLexer.termSeparator))return e.QueryLexer.lexTerm}else t.escapeCharacter()}},e.QueryParser=function(t,r){this.lexer=new e.QueryLexer(t),this.query=r,this.currentClause={},this.lexemeIdx=0},e.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var t=e.QueryParser.parseFieldOrTerm;t;)t=t(this);return this.query},e.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},e.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},e.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},e.QueryParser.parseFieldOrTerm=function(t){var r=t.peekLexeme();if(void 0!=r)switch(r.type){case e.QueryLexer.FIELD:return e.QueryParser.parseField;case e.QueryLexer.TERM:return e.QueryParser.parseTerm;default:var i="expected either a field or a term, found "+r.type;throw r.str.length>=1&&(i+=" with value '"+r.str+"'"),new e.QueryParseError(i,r.start,r.end)}},e.QueryParser.parseField=function(t){var r=t.consumeLexeme();if(void 0!=r){if(-1==t.query.allFields.indexOf(r.str)){var i=t.query.allFields.map(function(e){return"'"+e+"'"}).join(", "),n="unrecognised field '"+r.str+"', possible fields: "+i;throw new e.QueryParseError(n,r.start,r.end)}t.currentClause.fields=[r.str];var s=t.peekLexeme();if(void 0==s){n="expecting term, found nothing";throw new e.QueryParseError(n,r.start,r.end)}switch(s.type){case e.QueryLexer.TERM:return e.QueryParser.parseTerm;default:n="expecting term, found '"+s.type+"'";throw new e.QueryParseError(n,s.start,s.end)}}},e.QueryParser.parseTerm=function(t){var r=t.consumeLexeme();if(void 0!=r){t.currentClause.term=r.str.toLowerCase(),-1!=r.str.indexOf("*")&&(t.currentClause.usePipeline=!1);var i=t.peekLexeme();if(void 0!=i)switch(i.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;default:var n="Unexpected lexeme type '"+i.type+"'";throw new e.QueryParseError(n,i.start,i.end)}else t.nextClause()}},e.QueryParser.parseEditDistance=function(t){var r=t.consumeLexeme();if(void 0!=r){var i=parseInt(r.str,10);if(isNaN(i)){s="edit distance must be numeric";throw new e.QueryParseError(s,r.start,r.end)}t.currentClause.editDistance=i;var n=t.peekLexeme();if(void 0!=n)switch(n.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;default:var s="Unexpected lexeme type '"+n.type+"'";throw new e.QueryParseError(s,n.start,n.end)}else t.nextClause()}},e.QueryParser.parseBoost=function(t){var r=t.consumeLexeme();if(void 0!=r){var i=parseInt(r.str,10);if(isNaN(i)){s="boost must be numeric";throw new e.QueryParseError(s,r.start,r.end)}t.currentClause.boost=i;var n=t.peekLexeme();if(void 0!=n)switch(n.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;default:var s="Unexpected lexeme type '"+n.type+"'";throw new e.QueryParseError(s,n.start,n.end)}else t.nextClause()}},function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():e.lunr=t()}(this,function(){return e})}();
\ No newline at end of file
diff --git a/index.js b/index.js
index 37847e2..f941ad8 100644
--- a/index.js
+++ b/index.js
@@ -2,7 +2,7 @@ var lunr = require('lunr');
 var Entities = require('html-entities').AllHtmlEntities;
 
 var Html = new Entities();
-
+var docs = [];
 var searchIndex;
 // Called with the `this` context provided by Gitbook
 function getSearchIndex(context) {
@@ -20,6 +20,7 @@ function getSearchIndex(context) {
                 // Don't trim non words characters (to allow search such as "C++")
                 this.pipeline.remove(lunr.trimmer);
             }
+            docs.forEach((doc)=>this.add(doc));
         });
     }
     return searchIndex;
@@ -79,8 +80,8 @@ module.exports = {
             };
 
             documentsStore[doc.url] = doc;
-            getSearchIndex(this).add(doc);
-
+            docs.push(doc);
+            
             return page;
         },
 
diff --git a/package.json b/package.json
index 31a91a4..bdb6b99 100644
--- a/package.json
+++ b/package.json
@@ -2,14 +2,14 @@
   "name": "gitbook-plugin-lunr",
   "description": "Index book in a lunr index accessible from the search plugin",
   "main": "index.js",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "engines": {
     "gitbook": ">=3.0.0-pre.0"
   },
   "dependencies": {
     "gitbook-plugin-search": "*",
     "html-entities": "1.2.0",
-    "lunr": "0.5.12"
+    "lunr": "2.1.5"
   },
   "homepage": "https://github.com/GitbookIO/plugin-lunr",
   "repository": {
@@ -22,19 +22,17 @@
   },
   "gitbook": {
     "properties": {
-        "maxIndexSize": {
-            "type": "number",
-            "title": "Limit size for the index",
-            "default": 1000000
-        },
-        "ignoreSpecialCharacters": {
-            "type": "boolean",
-            "title": "Ignore special characters in words",
-            "default": false
-        }
+      "maxIndexSize": {
+        "type": "number",
+        "title": "Limit size for the index",
+        "default": 1000000
+      },
+      "ignoreSpecialCharacters": {
+        "type": "boolean",
+        "title": "Ignore special characters in words",
+        "default": false
+      }
     }
   },
-  "scripts": {
-    "prepublish": "cp node_modules/lunr/lunr.min.js ./assets/lunr.min.js"
-  }
+  "scripts": {}
 }