From a09e381dbf20ea1213b8ec1ac7f068559aba75dc Mon Sep 17 00:00:00 2001
From: Edmond Chui <1967998+EdmondChuiHW@users.noreply.github.com>
Date: Wed, 20 Mar 2024 22:23:47 +0000
Subject: [PATCH] add launch ID support

---
 front_end/core/host/RNPerfMetrics.ts               | 6 ++++++
 front_end/entrypoints/rn_inspector/rn_inspector.ts | 1 +
 2 files changed, 7 insertions(+)

diff --git a/front_end/core/host/RNPerfMetrics.ts b/front_end/core/host/RNPerfMetrics.ts
index cc78ad02400a..117428464e3d 100644
--- a/front_end/core/host/RNPerfMetrics.ts
+++ b/front_end/core/host/RNPerfMetrics.ts
@@ -17,6 +17,7 @@ export function getInstance(): RNPerfMetrics {
 type UnsubscribeFn = () => void;
 class RNPerfMetrics {
   #listeners: Set<RNReliabilityEventListener> = new Set();
+  #launchId: string|null = null;
 
   addEventListener(listener: RNReliabilityEventListener): UnsubscribeFn {
     this.#listeners.add(listener);
@@ -51,6 +52,11 @@ class RNPerfMetrics {
       console.error('Error occurred when calling event listeners', error);
     }
   }
+
+  setLaunchId(launchId: string|null): void {
+    this.#launchId = launchId;
+  }
+
 }
 
 export function registerPerfMetricsGlobalPostMessageHandler(): void {
diff --git a/front_end/entrypoints/rn_inspector/rn_inspector.ts b/front_end/entrypoints/rn_inspector/rn_inspector.ts
index 54d2a5968545..f285dd32cec8 100644
--- a/front_end/entrypoints/rn_inspector/rn_inspector.ts
+++ b/front_end/entrypoints/rn_inspector/rn_inspector.ts
@@ -22,6 +22,7 @@ import type * as InspectorBackend from '../../core/protocol_client/InspectorBack
 
 Host.RNPerfMetrics.registerPerfMetricsGlobalPostMessageHandler();
 
+Host.rnPerfMetrics.setLaunchId(Root.Runtime.Runtime.queryParam('launchId'));
 // Legacy JavaScript Profiler - we support this until Hermes can support the
 // modern Performance panel.
 Root.Runtime.experiments.register(