1 var isWin = process.platform === 'win32';
3 module.exports = function (str) {
4 var i = str.length - 1;
8 while (isSeparator(str, i)) {
11 return str.substr(0, i + 1);
14 function isSeparator(str, i) {
16 return i > 0 && (char === '/' || (isWin && char === '\\'));