Update app and tooling

node_modules/web-vitals/src/lib/generateUniqueID.ts

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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
+ *
+ *     https://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.
+ */
+
+/**
+ * Performantly generate a unique, 27-char string by combining the current
+ * timestamp with a 13-digit random number.
+ * @return {string}
+ */
+export const generateUniqueID = () => {
+  return `${Date.now()}-${Math.floor(Math.random() * (9e12 - 1)) + 1e12}`;
+};