elasticlunr
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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>
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<div class="container">
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<li><a href="index.html">Main</a></li>
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<li class="active"><a href="stop_word_filter.js.html">stop_word_filter.js</a></li>
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<li><a href="#stopWordFilter"><i class="alert alert-info"></i><span>stopWordFilter</span></a>
</li>
<li><a href="#clearStopWords"><i class="alert alert-info"></i><span>clearStopWords</span></a>
</li>
<li><a href="#addStopWords"><i class="alert alert-info"></i><span>addStopWords</span></a>
</li>
<li><a href="#resetStopWords"><i class="alert alert-info"></i><span>resetStopWords</span></a>
</li>
</ul>
</div>
</div>
<div class="span9">
<section id="stopWordFilter">
<h1>stopWordFilter</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>elasticlunr.stopWordFilter()</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>token</td>
<td>String</td>
<td><p>The token to pass through the filter</p></td>
</tr>
<tr>
<td>return</td>
<td>String</td>
<td></td>
</tr>
</tbody>
</table>
<div class="description"><p>elasticlunr.stopWordFilter is an English language stop words filter, any words<br />contained in the stop word list will not be passed through the filter.</p><p>This is intended to be used in the Pipeline. If the token does not pass the<br />filter then undefined will be returned.<br />Currently this StopwordFilter using dictionary to do O(1) time complexity stop word filtering.</p> </div>
<pre><code class="language-javascript">elasticlunr.stopWordFilter = function (token) {
if (token && elasticlunr.stopWordFilter.stopWords[token] !== true) {
return token;
}
};</code></pre>
<section id="clearStopWords">
<h1>clearStopWords</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>elasticlunr.clearStopWords()</span>
</p>
</section>
<div class="description"><p>Remove predefined stop words<br />if user want to use customized stop words, user could use this function to delete<br />all predefined stopwords.</p> </div>
<pre><code class="language-javascript">elasticlunr.clearStopWords = function () {
elasticlunr.stopWordFilter.stopWords = {};
};</code></pre>
<section id="addStopWords">
<h1>addStopWords</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>elasticlunr.addStopWords()</span>
</p>
</section>
<div class="description"><p>Add customized stop words<br />user could use this function to add customized stop words</p> </div>
<pre><code class="language-javascript">elasticlunr.addStopWords = function (words) {
if (words == null || Array.isArray(words) === false) return;
words.forEach(function (word) {
elasticlunr.stopWordFilter.stopWords[word] = true;
}, this);
};</code></pre>
<section id="resetStopWords">
<h1>resetStopWords</h1>
<h5 class="subheader"></h5>
<p>
<div class="label label-info radius ctx-type">method</div><span>elasticlunr.resetStopWords()</span>
</p>
</section>
<div class="description"><p>Reset to default stop words<br />user could use this function to restore default stop words</p> </div>
<pre><code class="language-javascript">elasticlunr.resetStopWords = function () {
elasticlunr.stopWordFilter.stopWords = elasticlunr.defaultStopWords;
};
elasticlunr.defaultStopWords = {
"": true,
"a": true,
"able": true,
"about": true,
"across": true,
"after": true,
"all": true,
"almost": true,
"also": true,
"am": true,
"among": true,
"an": true,
"and": true,
"any": true,
"are": true,
"as": true,
"at": true,
"be": true,
"because": true,
"been": true,
"but": true,
"by": true,
"can": true,
"cannot": true,
"could": true,
"dear": true,
"did": true,
"do": true,
"does": true,
"either": true,
"else": true,
"ever": true,
"every": true,
"for": true,
"from": true,
"get": true,
"got": true,
"had": true,
"has": true,
"have": true,
"he": true,
"her": true,
"hers": true,
"him": true,
"his": true,
"how": true,
"however": true,
"i": true,
"if": true,
"in": true,
"into": true,
"is": true,
"it": true,
"its": true,
"just": true,
"least": true,
"let": true,
"like": true,
"likely": true,
"may": true,
"me": true,
"might": true,
"most": true,
"must": true,
"my": true,
"neither": true,
"no": true,
"nor": true,
"not": true,
"of": true,
"off": true,
"often": true,
"on": true,
"only": true,
"or": true,
"other": true,
"our": true,
"own": true,
"rather": true,
"said": true,
"say": true,
"says": true,
"she": true,
"should": true,
"since": true,
"so": true,
"some": true,
"than": true,
"that": true,
"the": true,
"their": true,
"them": true,
"then": true,
"there": true,
"these": true,
"they": true,
"this": true,
"tis": true,
"to": true,
"too": true,
"twas": true,
"us": true,
"wants": true,
"was": true,
"we": true,
"were": true,
"what": true,
"when": true,
"where": true,
"which": true,
"while": true,
"who": true,
"whom": true,
"why": true,
"will": true,
"with": true,
"would": true,
"yet": true,
"you": true,
"your": true
};
elasticlunr.stopWordFilter.stopWords = elasticlunr.defaultStopWords;
elasticlunr.Pipeline.registerFunction(elasticlunr.stopWordFilter, 'stopWordFilter');</code></pre>
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