9 lines
228 B
JavaScript
9 lines
228 B
JavaScript
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var makeString = require('./helper/makeString');
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module.exports = function strLeftBack(str, sep) {
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str = makeString(str);
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sep = makeString(sep);
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var pos = str.lastIndexOf(sep);
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return~ pos ? str.slice(0, pos) : str;
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};
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