/**
 * @fileoverview Recursive mkdir.
 * @license
 * Copyright 2010 James Halliday (mail@substack.net)
 *
 * This project is free software released under the MIT/X11 license:
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

const path = require("path");
const fs = require("fs");
const process = require("process"); // ensure shim

module.exports = function mkdirp(p, opts, made) {
  if (!opts || typeof opts !== "object") {
    opts = { mode: opts };
  }
  var mode = opts.mode;
  if (mode === undefined) {
    mode = 0o777 & (~process.umask());
  }
  if (!made) made = null;
  p = path.resolve(p);
  try {
    fs.mkdirSync(p, mode);
    made = made || p;
  } catch (err0) {
    switch (err0.code) {
      case "ENOENT":
        made = mkdirp(path.dirname(p), opts, made);
        mkdirp(p, opts, made);
        break;
      default:
        var stat;
        try {
          stat = fs.statSync(p);
        } catch (err1) {
          throw err0;
        }
        if (!stat.isDirectory()) throw err0;
        break;
    }
  }
  return made;
};