+
+/*
+ *
+ * Copyright 2016 RIFT.IO Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+/**
+ * @return {string}
+ */
+function GUID() {
+ // http://byronsalau.com/blog/how-to-create-a-guid-uuid-in-javascript/
+ return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+ var r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
+ return v.toString(16);
+ });
+}
+
+module.exports = GUID;