Perf initialize snippets

perf-next/index.js

@@ -4,10 +4,12 @@
 const perf = getInstance();
 
 function intialize() {
-  // [START perf_initialize]
+  // [START perf_imports]
   const { initializeApp } = require("firebase/app");
   const { getPerformance } = require("firebase/performance");
+  // [END perf_imports]
 
+  // [START perf_initialize]
   // TODO: Replace the following with your app's Firebase project configuration
   // See: https://firebase.google.com/docs/web/setup#config-object
   const firebaseConfig = {

perf/index.js

@@ -1,5 +1,7 @@
+// [START perf_imports]
 import firebase from "firebase/app";
 import "firebase/performance";
+// [END perf_imports]
 
 const perf = firebase.performance();
 

snippets/perf-next/index/perf_imports.js

@@ -0,0 +1,10 @@
+// This snippet file was generated by processing the source file:
+// ./perf-next/index.js
+//
+// To update the snippets in this file, edit the source and then run
+// 'npm run snippets'.
+
+// [START perf_imports_modular]
+import { initializeApp } from "firebase/app";
+import { getPerformance } from "firebase/performance";
+// [END perf_imports_modular]

snippets/perf-next/index/perf_initialize.js

@@ -5,9 +5,6 @@
 // 'npm run snippets'.
 
 // [START perf_initialize_modular]
-import { initializeApp } from "firebase/app";
-import { getPerformance } from "firebase/performance";
-
 // TODO: Replace the following with your app's Firebase project configuration
 // See: https://firebase.google.com/docs/web/setup#config-object
 const firebaseConfig = {