elasticlunr
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Lightweight full-text search engine in Javascript for browser search and offline search.
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code[class*="language-"],pre[class*="language-"]{color:black;text-shadow:0 1px white;font-family:Consolas,Monaco,'Andale Mono',monospace;direction:ltr;text-align:left;white-space:pre;word-spacing:normal;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none}pre[class*="language-"]{padding:1em;margin:.5em 0;overflow:auto}:not(pre)>code[class*="language-"],pre[class*="language-"]{background:#f5f2f0}:not(pre)>code[class*="language-"]{padding:.1em;border-radius:.3em}.token.comment,.token.prolog,.token.doctype,.token.cdata{color:slategray}.token.punctuation{color:#999}.namespace{opacity:.7}.token.property,.token.tag,.token.boolean,.token.number{color:#905}.token.selector,.token.attr-name,.token.string{color:#690}.token.operator,.token.entity,.token.url,.language-css .token.string,.style .token.string{color:#a67f59;background:hsla(0,0%,100%,.5)}.token.atrule,.token.attr-value,.token.keyword{color:#07a}.token.regex,.token.important{color:#e90}.token.important{font-weight:bold}.token.entity{cursor:help}
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<header id="overview" class="jumbotron subhead">
<div class="container">
<h1>elasticlunr</h1>
<p class="lead"></p>
</div>
</header>
<div class="container">
<div class="row">
<div class="span3 bs-docs-sidebar">
<ul class="nav nav-list bs-docs-sidenav affix-top">
<li><a href="index.html">Main</a></li>
<li><a href="configuration.js.html">configuration.js</a></li>
<li><a href="document_store.js.html">document_store.js</a></li>
<li><a href="elasticlunr.js.html">elasticlunr.js</a></li>
<li><a href="event_emitter.js.html">event_emitter.js</a></li>
<li><a href="index.js.html">index.js</a></li>
<li><a href="inverted_index.js.html">inverted_index.js</a></li>
<li><a href="pipeline.js.html">pipeline.js</a></li>
<li class="active"><a href="sorted_set.js.html">sorted_set.js</a></li>
<li><a href="stemmer.js.html">stemmer.js</a></li>
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<li><a href="tokenizer.js.html">tokenizer.js</a></li>
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<li><a href="utils.js.html">utils.js</a></li>
</ul>
<div class="scrollspy">
<ul class="nav nav-list bs-docs-sidenav affix-top">
<li><a href="#SortedSet"><i class="alert alert-success"></i><span>SortedSet</span></a>
</li>
<li><a href="#load"><i class="alert alert-info"></i><span>load</span></a>
</li>
<li><a href="#add"><i class="alert alert-info"></i><span>add</span></a>
</li>
<li><a href="#toArray"><i class="alert alert-info"></i><span>toArray</span></a>
</li>
<li><a href="#map"><i class="alert alert-info"></i><span>map</span></a>
</li>
<li><a href="#forEach"><i class="alert alert-info"></i><span>forEach</span></a>
</li>
<li><a href="#indexOf"><i class="alert alert-info"></i><span>indexOf</span></a>
</li>
<li><a href="#locationFor"><i class="alert alert-info"></i><span>locationFor</span></a>
</li>
<li><a href="#intersect"><i class="alert alert-info"></i><span>intersect</span></a>
</li>
<li><a href="#clone"><i class="alert alert-info"></i><span>clone</span></a>
</li>
<li><a href="#union"><i class="alert alert-info"></i><span>union</span></a>
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<li><a href="#toJSON"><i class="alert alert-info"></i><span>toJSON</span></a>
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<div class="span9">
<div class="description"><p>sorted_set.js is added only to make elasticlunr.js compatible with lunr-languages.<br />if elasticlunr.js support different languages by default, this will make elasticlunr.js<br />much bigger that not good for browser usage.</p> </div>
<section id="SortedSet">
<h1>SortedSet</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-success radius ctx-type">constructor</div><span>lunr.SortedSet()</span>
</p>
</section>
<div class="description"><p>lunr.SortedSets are used to maintain an array of uniq values in a sorted<br />order.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet = function () {
this.length = 0
this.elements = []
}</code></pre>
<section id="load">
<h1>load</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.load()</span>
</p>
</section>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width:20%">Option name</th>
<th style="width:20%">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>serialisedData</td>
<td>Array</td>
<td><p>The serialised set to load.</p></td>
</tr>
</tbody>
</table>
<div class="description"><p>Loads a previously serialised sorted set.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.load = function (serialisedData) {
var set = new this
set.elements = serialisedData
set.length = serialisedData.length
return set
}</code></pre>
<section id="add">
<h1>add</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.add()</span>
</p>
</section>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width:20%">Option name</th>
<th style="width:20%">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>The</td>
<td>Object</td>
<td><p>objects to add to this set.</p></td>
</tr>
</tbody>
</table>
<div class="description"><p>Inserts new items into the set in the correct position to maintain the<br />order.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.add = function () {
var i, element
for (i = 0; i < arguments.length; i++) {
element = arguments[i]
if (~this.indexOf(element)) continue
this.elements.splice(this.locationFor(element), 0, element)
}
this.length = this.elements.length
}</code></pre>
<section id="toArray">
<h1>toArray</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.toArray()</span>
</p>
</section>
<div class="description"><p>Converts this sorted set into an array.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.toArray = function () {
return this.elements.slice()
}</code></pre>
<section id="map">
<h1>map</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.map()</span>
</p>
</section>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width:20%">Option name</th>
<th style="width:20%">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>fn</td>
<td>Function</td>
<td><p>The function that is called on each element of the set.</p></td>
</tr>
<tr>
<td>ctx</td>
<td>Object</td>
<td><p>An optional object that can be used as the context for the function fn.</p></td>
</tr>
</tbody>
</table>
<div class="description"><p>Creates a new array with the results of calling a provided function on every<br />element in this sorted set.</p><p>Delegates to Array.prototype.map and has the same signature.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.map = function (fn, ctx) {
return this.elements.map(fn, ctx)
}</code></pre>
<section id="forEach">
<h1>forEach</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.forEach()</span>
</p>
</section>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width:20%">Option name</th>
<th style="width:20%">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>fn</td>
<td>Function</td>
<td><p>The function that is called on each element of the set.</p></td>
</tr>
<tr>
<td>ctx</td>
<td>Object</td>
<td><p>An optional object that can be used as the context</p></td>
</tr>
</tbody>
</table>
<div class="description"><p>Executes a provided function once per sorted set element.</p><p>Delegates to Array.prototype.forEach and has the same signature.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.forEach = function (fn, ctx) {
return this.elements.forEach(fn, ctx)
}</code></pre>
<section id="indexOf">
<h1>indexOf</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.indexOf()</span>
</p>
</section>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width:20%">Option name</th>
<th style="width:20%">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>elem</td>
<td>Object</td>
<td><p>The object to locate in the sorted set.</p></td>
</tr>
</tbody>
</table>
<div class="description"><p>Returns the index at which a given element can be found in the<br />sorted set, or -1 if it is not present.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.indexOf = function (elem) {
var start = 0,
end = this.elements.length,
sectionLength = end - start,
pivot = start + Math.floor(sectionLength / 2),
pivotElem = this.elements[pivot]
while (sectionLength > 1) {
if (pivotElem === elem) return pivot
if (pivotElem < elem) start = pivot
if (pivotElem > elem) end = pivot
sectionLength = end - start
pivot = start + Math.floor(sectionLength / 2)
pivotElem = this.elements[pivot]
}
if (pivotElem === elem) return pivot
return -1
}</code></pre>
<section id="locationFor">
<h1>locationFor</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.locationFor()</span>
</p>
</section>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width:20%">Option name</th>
<th style="width:20%">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>elem</td>
<td>Object</td>
<td><p>The elem to find the position for in the set</p></td>
</tr>
</tbody>
</table>
<div class="description"><p>Returns the position within the sorted set that an element should be<br />inserted at to maintain the current order of the set.</p><p>This function assumes that the element to search for does not already exist<br />in the sorted set.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.locationFor = function (elem) {
var start = 0,
end = this.elements.length,
sectionLength = end - start,
pivot = start + Math.floor(sectionLength / 2),
pivotElem = this.elements[pivot]
while (sectionLength > 1) {
if (pivotElem < elem) start = pivot
if (pivotElem > elem) end = pivot
sectionLength = end - start
pivot = start + Math.floor(sectionLength / 2)
pivotElem = this.elements[pivot]
}
if (pivotElem > elem) return pivot
if (pivotElem < elem) return pivot + 1
}</code></pre>
<section id="intersect">
<h1>intersect</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.intersect()</span>
</p>
</section>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width:20%">Option name</th>
<th style="width:20%">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>otherSet</td>
<td>lunr.SortedSet</td>
<td><p>The set to intersect with this set.</p></td>
</tr>
</tbody>
</table>
<div class="description"><p>Creates a new lunr.SortedSet that contains the elements in the intersection<br />of this set and the passed set.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.intersect = function (otherSet) {
var intersectSet = new lunr.SortedSet,
i = 0, j = 0,
a_len = this.length, b_len = otherSet.length,
a = this.elements, b = otherSet.elements
while (true) {
if (i > a_len - 1 || j > b_len - 1) break
if (a[i] === b[j]) {
intersectSet.add(a[i])
i++, j++
continue
}
if (a[i] < b[j]) {
i++
continue
}
if (a[i] > b[j]) {
j++
continue
}
};
return intersectSet
}</code></pre>
<section id="clone">
<h1>clone</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.clone()</span>
</p>
</section>
<div class="description"><p>Makes a copy of this set</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.clone = function () {
var clone = new lunr.SortedSet
clone.elements = this.toArray()
clone.length = clone.elements.length
return clone
}</code></pre>
<section id="union">
<h1>union</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.union()</span>
</p>
</section>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th style="width:20%">Option name</th>
<th style="width:20%">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>otherSet</td>
<td>lunr.SortedSet</td>
<td><p>The set to union with this set.</p></td>
</tr>
</tbody>
</table>
<div class="description"><p>Creates a new lunr.SortedSet that contains the elements in the union<br />of this set and the passed set.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.union = function (otherSet) {
var longSet, shortSet, unionSet
if (this.length >= otherSet.length) {
longSet = this, shortSet = otherSet
} else {
longSet = otherSet, shortSet = this
}
unionSet = longSet.clone()
for(var i = 0, shortSetElements = shortSet.toArray(); i < shortSetElements.length; i++){
unionSet.add(shortSetElements[i])
}
return unionSet
}</code></pre>
<section id="toJSON">
<h1>toJSON</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>lunr.SortedSet.prototype.toJSON()</span>
</p>
</section>
<div class="description"><p>Returns a representation of the sorted set ready for serialisation.</p> </div>
<pre><code class="language-javascript">lunr.SortedSet.prototype.toJSON = function () {
return this.toArray()
}</code></pre>
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* @author Lea Verou http://lea.verou.me
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Prism.languages.markup={comment:/<!--[\w\W]*?--(>|>)/g,prolog:/<\?.+?\?>/,doctype:/<!DOCTYPE.+?>/,cdata:/<!\[CDATA\[[\w\W]+?]]>/i,tag:{pattern:/<\/?[\w:-]+\s*(?:\s+[\w:-]+(?:=(?:("|')(\\?[\w\W])*?\1|\w+))?\s*)*\/?>/gi,inside:{tag:{pattern:/^<\/?[\w:-]+/i,inside:{punctuation:/^<\/?/,namespace:/^[\w-]+?:/}},"attr-value":{pattern:/=(?:('|")[\w\W]*?(\1)|[^\s>]+)/gi,inside:{punctuation:/=|>|"/g}},punctuation:/\/?>/g,"attr-name":{pattern:/[\w:-]+/g,inside:{namespace:/^[\w-]+?:/}}}},entity:/&#?[\da-z]{1,8};/gi};Prism.hooks.add("wrap",function(e){e.type==="entity"&&(e.attributes.title=e.content.replace(/&/,"&"))});;
Prism.languages.css={comment:/\/\*[\w\W]*?\*\//g,atrule:/@[\w-]+?(\s+[^;{]+)?(?=\s*{|\s*;)/gi,url:/url\((["']?).*?\1\)/gi,selector:/[^\{\}\s][^\{\}]*(?=\s*\{)/g,property:/(\b|\B)[a-z-]+(?=\s*:)/ig,string:/("|')(\\?.)*?\1/g,important:/\B!important\b/gi,ignore:/&(lt|gt|amp);/gi,punctuation:/[\{\};:]/g};Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{style:{pattern:/(<|<)style[\w\W]*?(>|>)[\w\W]*?(<|<)\/style(>|>)/ig,inside:{tag:{pattern:/(<|<)style[\w\W]*?(>|>)|(<|<)\/style(>|>)/ig,inside:Prism.languages.markup.tag.inside},rest:Prism.languages.css}}});;
Prism.languages.clike={comment:{pattern:/(^|[^\\])(\/\*[\w\W]*?\*\/|\/\/.*?(\r?\n|$))/g,lookbehind:!0},string:/("|')(\\?.)*?\1/g,keyword:/\b(if|else|while|do|for|return|in|instanceof|function|new|try|catch|finally|null|break|continue)\b/g,"boolean":/\b(true|false)\b/g,number:/\b-?(0x)?\d*\.?[\da-f]+\b/g,operator:/[-+]{1,2}|!|=?<|=?>|={1,2}|(&){1,2}|\|?\||\?|\*|\//g,ignore:/&(lt|gt|amp);/gi,punctuation:/[{}[\];(),.:]/g};;
Prism.languages.javascript=Prism.languages.extend("clike",{keyword:/\b(var|let|if|else|while|do|for|return|in|instanceof|function|new|with|typeof|try|catch|finally|null|break|continue)\b/g,number:/\b(-?(0x)?\d*\.?[\da-f]+|NaN|-?Infinity)\b/g});Prism.languages.insertBefore("javascript","keyword",{regex:{pattern:/(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\r\n])+\/[gim]{0,3}(?=\s*($|[\r\n,.;})]))/g,lookbehind:!0}});Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{script:{pattern:/(<|<)script[\w\W]*?(>|>)[\w\W]*?(<|<)\/script(>|>)/ig,inside:{tag:{pattern:/(<|<)script[\w\W]*?(>|>)|(<|<)\/script(>|>)/ig,inside:Prism.languages.markup.tag.inside},rest:Prism.languages.javascript}}});;
</script>
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