From af0234b9b6c183e94a75c416cb25a5e67758277f Mon Sep 17 00:00:00 2001
From: Jerel Miller <jerelmiller@gmail.com>
Date: Mon, 27 Nov 2023 18:36:26 -0700
Subject: [PATCH] Prevent act warnings when using Profiler.takeRender

---
 src/testing/internal/profile/profile.tsx | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/testing/internal/profile/profile.tsx b/src/testing/internal/profile/profile.tsx
index 1b3da13965a..d46dc1e1095 100644
--- a/src/testing/internal/profile/profile.tsx
+++ b/src/testing/internal/profile/profile.tsx
@@ -284,6 +284,14 @@ export function createProfiler<
         });
       },
       async takeRender(options: NextRenderOptions = {}) {
+        // In many cases we do not control the resolution of the suspended
+        // promise which results in noisy tests when using this utility. Instead,
+        // we disable act warnings when using this utility.
+        //
+        // https://github.com/reactwg/react-18/discussions/102
+        const prevAct = (globalThis as any).IS_REACT_ACT_ENVIRONMENT;
+        (globalThis as any).IS_REACT_ACT_ENVIRONMENT = false;
+
         let error: unknown = undefined;
         try {
           return await Profiler.peekRender({
@@ -297,6 +305,7 @@ export function createProfiler<
           if (!(error && error instanceof WaitForRenderTimeoutError)) {
             iteratorPosition++;
           }
+          (globalThis as any).IS_REACT_ACT_ENVIRONMENT = prevAct;
         }
       },
       getCurrentRender() {