| 1 | var isWin = process.platform === 'win32';
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| 2 |
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| 3 | module.exports = function (str) {
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| 4 | var i = str.length - 1;
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| 5 | if (i < 2) {
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| 6 | return str;
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| 7 | }
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| 8 | while (isSeparator(str, i)) {
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| 9 | i--;
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| 10 | }
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| 11 | return str.substr(0, i + 1);
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| 12 | };
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| 13 |
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| 14 | function isSeparator(str, i) {
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| 15 | var char = str[i];
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| 16 | return i > 0 && (char === '/' || (isWin && char === '\\'));
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| 17 | }
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