mkpath.js

var fs = require('fs');
var path = require('path');
var sys = require('sys');
var EventEmitter = require('events').EventEmitter;

var mkpath = function mkpath(_path, callback) {
	var self = this;
	var dirs = _path.split('/');
	var d = './';
	var entry = -1;
	var length = dirs.length - 1;

	self.on('nextdir', function() {
		entry++;
		if(entry > length) {
			callback();
			return;
		}
		d += dirs[entry] + '/';
		self.emit('mkpath', d);
	});

	self.on('mkpath', function(d) {
		path.exists(d, function(exists) {
			if(!exists) {
				fs.mkdir(d, 0755, function() {
					self.emit('nextdir');				
				});
			}
		});		
	});

	self.emit('nextdir');
};
sys.inherits(mkpath, EventEmitter);

fs.mkpath = function(_path, callback) {
  return new mkpath(_path, callback);
};

fs.mkpathSync = function(_path) {
	var dirs = _path.split('/');
	var d = './';
	
	for(dir in dirs) {
		d += dirs[dir] + '/';
		
		if(!path.existsSync(d)) {
			fs.mkdirSync(d, 0755);
		}
	}
};

var dir = 'tmp/cosa/eso/prebuilt';

fs.mkpath(dir, function() {
	console.log('path created');
});

//fs.mkpathSync(dir, 0755);