recursive-fs/lib/rmdirr.js

var fs = require('fs');
var readdirr = require('./readdirr').readdirr;


/**
 * Remove directory recursively.
 *
 * @param {String} directory path
 * @param {Function} callback
 * @api public
 */

exports.rmdirr = function (dpath, cb) {
	readdirr(dpath, function (err, dirs, files) {
		if (err) return cb(err);
		exports.rmfiles(files, function (err) {
			if (err) return cb(err);
			exports.rmdirs(dirs, cb);
		});
	});
}

/**
 * Remove a list of files.
 *
 * @param {Array} files
 * @param {Function} callback
 * @api public
 */

exports.rmfiles = function (files, cb) {
	(function loop (index) {
		if (index == files.length) return cb();
		fs.unlink(files[index], function (err) {
			if (err) return cb(err);
			loop(++index);
		});
	}(0));
}

/**
 * Remove a list of directories.
 *
 * @param {Array} dirs
 * @param {Function} callback
 * @api public
 */

exports.rmdirs = function (dirs, cb) {
	dirs.sort(desc);
	(function loop (index) {
		if (index == dirs.length) return cb();
		fs.rmdir(dirs[index], function (err) {
			if (err) return cb(err);
			loop(++index);
		});
	}(0));
}

/**
 * Sort in descending order.
 *
 * @param {String} a
 * @param {String} b
 * @api private
 */

function desc(a, b) {
	if (a > b) return -1;
	if (a < b) return  1;
	return 0;
}

/*
	// rmdirr example

	var path = require('path');
	var recursive = require('recursive-fs');

	var root = path.resolve(process.argv[2]);
	recursive.rmdirr(root, function (err) {
		if (err) {
			console.log(err);
		} else {
			console.log('DONE!');
		}
	});
*/