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2 lines
24 KiB
JavaScript
2 lines
24 KiB
JavaScript
!function(){function g(e){var t=new g.Index;return t.pipeline.add(g.trimmer,g.stopWordFilter,g.stemmer),e&&e.call(t,t),t}var t;g.version="0.9.5",(lunr=g).utils={},g.utils.warn=(t=this,function(e){t.console&&console.warn&&console.warn(e)}),g.utils.toString=function(e){return null==e?"":e.toString()},(g.EventEmitter=function(){this.events={}}).prototype.addListener=function(){var e=Array.prototype.slice.call(arguments);const t=e.pop();if("function"!=typeof t)throw new TypeError("last argument must be a function");e.forEach(function(e){this.hasHandler(e)||(this.events[e]=[]),this.events[e].push(t)},this)},g.EventEmitter.prototype.removeListener=function(e,t){this.hasHandler(e)&&-1!==(t=this.events[e].indexOf(t))&&(this.events[e].splice(t,1),0===this.events[e].length)&&delete this.events[e]},g.EventEmitter.prototype.emit=function(e){if(this.hasHandler(e)){const t=Array.prototype.slice.call(arguments,1);this.events[e].forEach(function(e){e.apply(void 0,t)},this)}},g.EventEmitter.prototype.hasHandler=function(e){return e in this.events},(g.tokenizer=function(n){if(!arguments.length||null==n)return[];if(Array.isArray(n)){let e=n.filter(function(e){return null!=e}),t=(e=e.map(function(e){return g.utils.toString(e).toLowerCase()}),[]);return e.forEach(function(e){e=e.split(g.tokenizer.seperator),t=t.concat(e)},this),t}return n.toString().trim().toLowerCase().split(g.tokenizer.seperator)}).defaultSeperator=/[\s-]+/,g.tokenizer.seperator=g.tokenizer.defaultSeperator,g.tokenizer.setSeperator=function(e){null!=e&&"object"==typeof e&&(g.tokenizer.seperator=e)},g.tokenizer.resetSeperator=function(){g.tokenizer.seperator=g.tokenizer.defaultSeperator},g.tokenizer.getSeperator=function(){return g.tokenizer.seperator},(g.Pipeline=function(){this._queue=[]}).registeredFunctions={},g.Pipeline.registerFunction=function(e,t){t in g.Pipeline.registeredFunctions&&g.utils.warn("Overwriting existing registered function: "+t),e.label=t,g.Pipeline.registeredFunctions[t]=e},g.Pipeline.getRegisteredFunction=function(e){return e in g.Pipeline.registeredFunctions!=1?null:g.Pipeline.registeredFunctions[e]},g.Pipeline.warnIfFunctionNotRegistered=function(e){e.label&&e.label in this.registeredFunctions||g.utils.warn("Function is not registered with pipeline. This may cause problems when serialising the index.\n",e)},g.Pipeline.load=function(e){const n=new g.Pipeline;return e.forEach(function(e){var t=g.Pipeline.getRegisteredFunction(e);if(!t)throw new Error("Cannot load un-registered function: "+e);n.add(t)}),n},g.Pipeline.prototype.add=function(){Array.prototype.slice.call(arguments).forEach(function(e){g.Pipeline.warnIfFunctionNotRegistered(e),this._queue.push(e)},this)},g.Pipeline.prototype.after=function(e,t){if(g.Pipeline.warnIfFunctionNotRegistered(t),-1===(e=this._queue.indexOf(e)))throw new Error("Cannot find existingFn");this._queue.splice(e+1,0,t)},g.Pipeline.prototype.before=function(e,t){if(g.Pipeline.warnIfFunctionNotRegistered(t),-1===(e=this._queue.indexOf(e)))throw new Error("Cannot find existingFn");this._queue.splice(e,0,t)},g.Pipeline.prototype.remove=function(e){-1!==(e=this._queue.indexOf(e))&&this._queue.splice(e,1)},g.Pipeline.prototype.run=function(o){var e=[],t=o.length,i=this._queue.length;for(let n=0;n<t;n++){let 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this;t._fields=e.fields,t._ref=e.ref,t.documentStore=g.DocumentStore.load(e.documentStore),t.pipeline=g.Pipeline.load(e.pipeline),t.index={};for(const n in e.index)t.index[n]=g.InvertedIndex.load(e.index[n]);return t},g.Index.prototype.addField=function(e){return this._fields.push(e),this.index[e]=new g.InvertedIndex,this},g.Index.prototype.setRef=function(e){return this._ref=e,this},g.Index.prototype.saveDocument=function(e){return this.documentStore=new g.DocumentStore(e),this},g.Index.prototype.addDoc=function(r,e){if(r){e=void 0===e||e;const s=r[this._ref];this.documentStore.addDoc(s,r),this._fields.forEach(function(e){var t=this.pipeline.run(g.tokenizer(r[e]));this.documentStore.addFieldLength(s,e,t.length);const n={};t.forEach(function(e){e in n?n[e]+=1:n[e]=1},this);for(const i in n){var o=n[i],o=Math.sqrt(o);this.index[e].addToken(i,{ref:s,tf:o})}},this),e&&this.eventEmitter.emit("add",r,this)}},g.Index.prototype.removeDocByRef=function(e,t){e&&!1!==this.documentStore.isDocStored()&&this.documentStore.hasDoc(e)&&(e=this.documentStore.getDoc(e),this.removeDoc(e,!1))},g.Index.prototype.removeDoc=function(e,t){if(e){t=void 0===t||t;const n=e[this._ref];this.documentStore.hasDoc(n)&&(this.documentStore.removeDoc(n),this._fields.forEach(function(t){this.pipeline.run(g.tokenizer(e[t])).forEach(function(e){this.index[t].removeToken(e,n)},this)},this),t)&&this.eventEmitter.emit("remove",e,this)}},g.Index.prototype.updateDoc=function(e,t){t=void 0===t||t,this.removeDocByRef(e[this._ref],!1),this.addDoc(e,!1),t&&this.eventEmitter.emit("update",e,this)},g.Index.prototype.idf=function(e,t){var n="@"+t+"/"+e;return 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t}(t):this.docs[e]=null},g.DocumentStore.prototype.getDoc=function(e){return!1===this.hasDoc(e)?null:this.docs[e]},g.DocumentStore.prototype.hasDoc=function(e){return e in this.docs},g.DocumentStore.prototype.removeDoc=function(e){this.hasDoc(e)&&(delete this.docs[e],delete this.docInfo[e],this.length--)},g.DocumentStore.prototype.addFieldLength=function(e,t,n){null!=e&&0!=this.hasDoc(e)&&(this.docInfo[e]||(this.docInfo[e]={}),this.docInfo[e][t]=n)},g.DocumentStore.prototype.updateFieldLength=function(e,t,n){null!=e&&0!=this.hasDoc(e)&&this.addFieldLength(e,t,n)},g.DocumentStore.prototype.getFieldLength=function(e,t){return null!=e&&e in this.docs&&t in this.docInfo[e]?this.docInfo[e][t]:0},g.DocumentStore.prototype.toJSON=function(){return{docs:this.docs,docInfo:this.docInfo,length:this.length,save:this._save}},g.stemmer=function(){const a={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"},c={icate:"ic",ative:"",alize:"al",iciti:"ic",ical:"ic",ful:"",ness:""};var e="[aeiouy]",t="[^aeiou][^aeiouy]*";const d=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*"),h=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*[aeiouy][aeiou]*[^aeiou][^aeiouy]*"),f=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy][aeiou]*[^aeiou][^aeiouy]*([aeiouy][aeiou]*)?$"),p=new RegExp("^([^aeiou][^aeiouy]*)?[aeiouy]"),g=/^(.+?)(ss|i)es$/,y=/^(.+?)([^s])s$/,m=/^(.+?)eed$/,v=/^(.+?)(ed|ing)$/,w=/.$/,S=/(at|bl|iz)$/,b=new RegExp("([^aeiouylsz])\\1$"),x=new 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e.length<3||("y"==(o=e.substr(0,1))&&(e=o.toUpperCase()+e.substr(1)),i=g,r=y,i.test(e)?e=e.replace(i,"$1$2"):r.test(e)&&(e=e.replace(r,"$1$2")),i=m,r=v,i.test(e)?(u=i.exec(e),(i=d).test(u[1])&&(i=w,e=e.replace(i,""))):r.test(e)&&(u=r.exec(e),t=u[1],(r=p).test(t))&&(e=t,r=S,s=b,l=x,r.test(e)?e+="e":s.test(e)?(i=w,e=e.replace(i,"")):l.test(e)&&(e+="e")),(i=E).test(e)&&(u=i.exec(e),e=(t=u[1])+"i"),(i=I).test(e)&&(u=i.exec(e),t=u[1],n=u[2],(i=d).test(t))&&(e=t+a[n]),(i=k).test(e)&&(u=i.exec(e),t=u[1],n=u[2],(i=d).test(t))&&(e=t+c[n]),i=_,r=D,i.test(e)?(u=i.exec(e),t=u[1],(i=h).test(t)&&(e=t)):r.test(e)&&(u=r.exec(e),t=u[1]+u[2],(r=h).test(t))&&(e=t),(i=F).test(e)&&(u=i.exec(e),t=u[1],i=h,r=f,s=P,i.test(t)||r.test(t)&&!s.test(t))&&(e=t),i=A,r=h,i.test(e)&&r.test(e)&&(i=w,e=e.replace(i,"")),"y"==o&&(e=o.toLowerCase()+e.substr(1))),e}}(),g.Pipeline.registerFunction(g.stemmer,"stemmer"),g.stopWordFilter=function(e){if(e&&!0!==g.stopWordFilter.stopWords[e])return e},g.clearStopWords=function(){g.stopWordFilter.stopWords={}},g.addStopWords=function(e){null!=e&&!1!==Array.isArray(e)&&e.forEach(function(e){g.stopWordFilter.stopWords[e]=!0},this)},g.resetStopWords=function(){g.stopWordFilter.stopWords=g.defaultStopWords},g.stopWordFilter.stopWords=g.defaultStopWords={"":!0,a:!0,able:!0,about:!0,across:!0,after:!0,all:!0,almost:!0,also:!0,am:!0,among:!0,an:!0,and:!0,any:!0,are:!0,as:!0,at:!0,be:!0,because:!0,been:!0,but:!0,by:!0,can:!0,cannot:!0,could:!0,dear:!0,did:!0,do:!0,does:!0,either:!0,else:!0,ever:!0,every:!0,for:!0,from:!0,get:!0,got:!0,had:!0,has:!0,have:!0,he:!0,her:!0,hers:!0,him:!0,his:!0,how:!0,however:!0,i:!0,if:!0,in:!0,into:!0,is:!0,it:!0,its:!0,just:!0,least:!0,let:!0,like:!0,likely:!0,may:!0,me:!0,might:!0,most:!0,must:!0,my:!0,neither:!0,no:!0,nor:!0,not:!0,of:!0,off:!0,often:!0,on:!0,only:!0,or:!0,other:!0,our:!0,own:!0,rather:!0,said:!0,say:!0,says:!0,she:!0,should:!0,since:!0,so:!0,some:!0,than:!0,that:!0,the:!0,their:!0,them:!0,then:!0,there:!0,these:!0,they:!0,this:!0,tis:!0,to:!0,too:!0,twas:!0,us:!0,wants:!0,was:!0,we:!0,were:!0,what:!0,when:!0,where:!0,which:!0,while:!0,who:!0,whom:!0,why:!0,will:!0,with:!0,would:!0,yet:!0,you:!0,your:!0},g.Pipeline.registerFunction(g.stopWordFilter,"stopWordFilter"),g.Pipeline.registerFunction(g.trimmer=function(e){if(null==e)throw new Error("token should not be undefined");return e.replace(/^\W+/,"").replace(/\W+$/,"")},"trimmer"),(g.InvertedIndex=function(){this.root={docs:{},df:0}}).load=function(e){var t=new this;return t.root=e.root,t},g.InvertedIndex.prototype.addToken=function(e,t,n){n=n||this.root;let o=0;for(;o<=e.length-1;){var i=e[o];i in n||(n[i]={docs:{},df:0}),o+=1,n=n[i]}var r=t.ref;n.docs[r]?n.docs[r]={tf:t.tf}:(n.docs[r]={tf:t.tf},n.df+=1)},g.InvertedIndex.prototype.hasToken=function(t){if(!t)return!1;let n=this.root;for(let e=0;e<t.length;e++){if(!n[t[e]])return!1;n=n[t[e]]}return!0},g.InvertedIndex.prototype.getNode=function(t){if(!t)return null;let n=this.root;for(let e=0;e<t.length;e++){if(!n[t[e]])return null;n=n[t[e]]}return n},g.InvertedIndex.prototype.getDocs=function(e){return null==(e=this.getNode(e))?{}:e.docs},g.InvertedIndex.prototype.getTermFrequency=function(e,t){return null!=(e=this.getNode(e))&&t in e.docs?e.docs[t].tf:0},g.InvertedIndex.prototype.getDocFreq=function(e){return null==(e=this.getNode(e))?0:e.df},g.InvertedIndex.prototype.removeToken=function(e,t){e&&null!=(e=this.getNode(e))&&t in e.docs&&(delete e.docs[t],--e.df)},g.InvertedIndex.prototype.expandToken=function(e,t,n){if(null==e||""==e)return[];if(t=t||[],null!=n||null!=(n=this.getNode(e))){0<n.df&&t.push(e);for(const o in n)"docs"!==o&&"df"!==o&&this.expandToken(e+o,t,n[o])}return t},g.InvertedIndex.prototype.toJSON=function(){return{root:this.root}},(g.Configuration=function(e,t){var n,e=e||"";if(null==t)throw new Error("fields should not be null");this.config={};try{n=JSON.parse(e),this.buildUserConfig(n,t)}catch(e){g.utils.warn("user configuration parse failed, will use default configuration"),this.buildDefaultConfig(t)}}).prototype.buildDefaultConfig=function(e){this.reset(),e.forEach(function(e){this.config[e]={boost:1,bool:"OR",expand:!1}},this)},g.Configuration.prototype.buildUserConfig=function(t,e){let n="OR",o=!1;if(this.reset(),"bool"in t&&(n=t.bool||n),"expand"in 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