Create directories recusively with nodejs

mkdirp.js

var fs = require('fs');
function mkdir_p_async(directory, position, callback) {
	position = position || 0;
	var dir = require('path').normalize(directory).split('/');
	if (position >= dir.length) {
		callback();
		return;
	}
	var done = false;
	var f = dir.slice(0, position + 1).join('/');

	fs.stat(f, function (er, stat) {
		if (er) { // dir not exists
			fs.mkdir(f, function (er) {
				mkdir_p_async(directory, position + 1, callback);
			});
		} else {
			mkdir_p_async(directory, position + 1, callback);
		}
	});
}

function mkdirThese(these, cb) {
	if (these.length > 0) {
		var dir = these.shift();
		mkdir_p_async(dir, 0, function () {
			mkdirThese(these, cb);
		});
	} else {
		cb();
	}
}