From 69e0aa56f1d3569b2bf0a1eb99bbd5d78ddfa2e6 Mon Sep 17 00:00:00 2001
From: Andrew Kushnir <akushnir@google.com>
Date: Tue, 18 Jun 2024 18:09:34 -0700
Subject: [PATCH] refactor(core): use performance API for Event Replay (#56509)

This commit adds a standard performance marker that can be viewed in Chrome dev tools and other tooling.
See more info at https://developer.mozilla.org/en-US/docs/Web/API/Performance/mark

PR Close #56509
---
 packages/core/src/hydration/event_replay.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/core/src/hydration/event_replay.ts b/packages/core/src/hydration/event_replay.ts
index 7512d88664c..e202fac0e2c 100644
--- a/packages/core/src/hydration/event_replay.ts
+++ b/packages/core/src/hydration/event_replay.ts
@@ -38,6 +38,7 @@ import {
   invokeRegisteredListeners,
 } from '../event_delegation_utils';
 import {APP_ID} from '../application/application_tokens';
+import {performanceMarkFeature} from '../util/performance';
 
 declare global {
   var ngContracts: {[key: string]: EarlyJsactionDataContainer};
@@ -81,6 +82,9 @@ export function withEventReplay(): Provider[] {
           const appId = inject(APP_ID);
           isEnabled = !!globalThis[CONTRACT_PROPERTY]?.[appId];
         }
+        if (isEnabled) {
+          performanceMarkFeature('NgEventReplay');
+        }
         return isEnabled;
       },
     },