--- /dev/null
+var fs = require('graceful-fs')
+var path = require('path')
+var invalidWin32Path = require('./win32').invalidWin32Path
+
+var o777 = parseInt('0777', 8)
+
+function mkdirs (p, opts, callback, made) {
+ if (typeof opts === 'function') {
+ callback = opts
+ opts = {}
+ } else if (!opts || typeof opts !== 'object') {
+ opts = { mode: opts }
+ }
+
+ if (process.platform === 'win32' && invalidWin32Path(p)) {
+ var errInval = new Error(p + ' contains invalid WIN32 path characters.')
+ errInval.code = 'EINVAL'
+ return callback(errInval)
+ }
+
+ var mode = opts.mode
+ var xfs = opts.fs || fs
+
+ if (mode === undefined) {
+ mode = o777 & (~process.umask())
+ }
+ if (!made) made = null
+
+ callback = callback || function () {}
+ p = path.resolve(p)
+
+ xfs.mkdir(p, mode, function (er) {
+ if (!er) {
+ made = made || p
+ return callback(null, made)
+ }
+ switch (er.code) {
+ case 'ENOENT':
+ if (path.dirname(p) === p) return callback(er)
+ mkdirs(path.dirname(p), opts, function (er, made) {
+ if (er) callback(er, made)
+ else mkdirs(p, opts, callback, made)
+ })
+ break
+
+ // In the case of any other error, just see if there's a dir
+ // there already. If so, then hooray! If not, then something
+ // is borked.
+ default:
+ xfs.stat(p, function (er2, stat) {
+ // if the stat fails, then that's super weird.
+ // let the original error be the failure reason.
+ if (er2 || !stat.isDirectory()) callback(er, made)
+ else callback(null, made)
+ })
+ break
+ }
+ })
+}
+
+module.exports = mkdirs