Function _classNames

dedupe.js:78–100

()

		}

		function _classNames () {
			// don't leak arguments
			// https://github.com/petkaantonov/bluebird/wiki/Optimization-killers#32-leaking-arguments
			var len = arguments.length;
			var args = Array(len);
			for (var i = 0; i < len; i++) {
				args[i] = arguments[i];
			}

			var classSet = new StorageObject();
			_parseArray(classSet, args);

			var classes = '';

			for (var key in classSet) {
				if (classSet[key]) {
					classes && (classes += ' ');
					classes += key;
				}
			}

			return classes;
		}

		return _classNames;
	})();