19 lines
543 B
JavaScript
19 lines
543 B
JavaScript
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/**
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* Used by `_.trim` and `_.trimLeft` to get the index of the first character
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* of `string` that is not found in `chars`.
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*
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* @private
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* @param {string} string The string to inspect.
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* @param {string} chars The characters to find.
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* @returns {number} Returns the index of the first character not found in `chars`.
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*/
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function charsLeftIndex(string, chars) {
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var index = -1,
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length = string.length;
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while (++index < length && chars.indexOf(string.charAt(index)) > -1) {}
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return index;
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}
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module.exports = charsLeftIndex;
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