--- /dev/null
+'use strict';
+var isWindows = process.platform === 'win32';
+var trailingSlashRe = isWindows ? /[^:]\\$/ : /.\/$/;
+
+// https://github.com/nodejs/io.js/blob/3e7a14381497a3b73dda68d05b5130563cdab420/lib/os.js#L25-L43
+module.exports = function () {
+ var path;
+
+ if (isWindows) {
+ path = process.env.TEMP ||
+ process.env.TMP ||
+ (process.env.SystemRoot || process.env.windir) + '\\temp';
+ } else {
+ path = process.env.TMPDIR ||
+ process.env.TMP ||
+ process.env.TEMP ||
+ '/tmp';
+ }
+
+ if (trailingSlashRe.test(path)) {
+ path = path.slice(0, -1);
+ }
+
+ return path;
+};