str_shorten
Version:
Shorten string by character length with word boundary supported
165 lines (164 loc) • 5.86 kB
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<title>Code coverage report for dist-es6/index.js</title>
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<a href="../index.html">all files</a> / <a href="index.html">dist-es6/</a> index.js
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<span class="strong">12.5% </span>
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<span class="strong">12.5% </span>
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<span class='fraction'>2/16</span>
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34</td><td class="line-coverage quiet"><span class="cline-any cline-neutral"> </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">'use strict';
module.exports = <span class="fstat-no" title="function not covered" >function (str, maxChars, options) {</span>
<span class="cstat-no" title="statement not covered" > var _optionsDefault = {</span>
wordBoundary: true,
chars: [' ', '-'],
endSymbols: '...'
};
<span class="cstat-no" title="statement not covered" > var charRegx = /\s* \s*|\s*-\s*/;</span>
<span class="cstat-no" title="statement not covered" > var words = str.split(charRegx);</span>
<span class="cstat-no" title="statement not covered" > var retStr = '';</span>
<span class="cstat-no" title="statement not covered" > options = Object.assign(_optionsDefault, options);</span>
<span class="fstat-no" title="function not covered" > function appendEndSymbols(strlen, maxChars, endSymbols) {</span>
<span class="cstat-no" title="statement not covered" > return strlen > maxChars ? endSymbols : '';</span>
}
<span class="cstat-no" title="statement not covered" > if (!maxChars || str.length <= maxChars) {</span>
<span class="cstat-no" title="statement not covered" > return str;</span>
}
<span class="cstat-no" title="statement not covered" > if (!options.wordBoundary) {</span>
<span class="cstat-no" title="statement not covered" > return str.substring(0, maxChars) + appendEndSymbols(str.length, maxChars, options.endSymbols);</span>
}
<span class="cstat-no" title="statement not covered" > for (var i = 0; i < words.length; i++) {</span>
<span class="cstat-no" title="statement not covered" > if ((retStr + ' ' + words[i]).length > maxChars) {</span>
<span class="cstat-no" title="statement not covered" > return str.substring(0, retStr.length) + appendEndSymbols(str.length, retStr.length, options.endSymbols);</span>
} else {
<span class="cstat-no" title="statement not covered" > retStr = i === 0 ? words[0] : retStr + (' ' + words[i]);</span>
}
}
};</pre></td></tr>
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