--- /dev/null
+'use strict';
+module.exports = function (str) {
+ var isExtendedLengthPath = /^\\\\\?\\/.test(str);
+ var hasNonAscii = /[^\x00-\x80]+/.test(str);
+
+ if (isExtendedLengthPath || hasNonAscii) {
+ return str;
+ }
+
+ return str.replace(/\\/g, '/');
+};