/**
* Create a cleaned directory. If already exists, regenerate it. If it's parents were missing, create them.
* @function lib.file.prepareCleanDir
* @param {string} dirname - Directory name to prepare.
* @param {function} callback - Callback when done.
* @author Taka Okunishi
*
*/
var fs = require('fs'),
rmdirRecursive = require('./rmdir_recursive'),
mkdirP = require('./mkdir_p');
module.exports = function (dirname, callback) {
if (!callback) callback = new Function;
fs.exists(dirname, function (exists) {
if (exists) {
rmdirRecursive(dirname, function () {
mkdirP(dirname, callback);
});
} else {
mkdirP(dirname, callback);
}
});
};