15 lines
624 B
JavaScript
15 lines
624 B
JavaScript
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import assertString from './util/assertString';
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export default function rtrim(str, chars) {
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assertString(str);
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if (chars) {
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Escaping
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var pattern = new RegExp("[".concat(chars.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), "]+$"), 'g');
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return str.replace(pattern, '');
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}
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// Use a faster and more safe than regex trim method https://blog.stevenlevithan.com/archives/faster-trim-javascript
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var strIndex = str.length - 1;
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while (/\s/.test(str.charAt(strIndex))) {
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strIndex -= 1;
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}
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return str.slice(0, strIndex + 1);
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}
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