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20 lines
636 B
JavaScript
20 lines
636 B
JavaScript
var baseIndexOf = require('./_baseIndexOf');
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/**
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* Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
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* that is not found in the character symbols.
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*
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* @private
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* @param {Array} strSymbols The string symbols to inspect.
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* @param {Array} chrSymbols The character symbols to find.
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* @returns {number} Returns the index of the first unmatched string symbol.
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*/
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function charsStartIndex(strSymbols, chrSymbols) {
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var index = -1,
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length = strSymbols.length;
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while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
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return index;
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}
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module.exports = charsStartIndex;
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