docs: function mkdir() {
  		fs.existsSync(build_path) || fs.mkdirSync(build_path);
  		fs.existsSync(path_uncompress) || fs.mkdirSync(path_uncompress);
  		fs.existsSync(path_min) ? fs.readdirSync(path_min).forEach(function(file){
  			fs.unlinkSync(path_min + file);
  		}) : fs.mkdirSync(path_min);
  	}