From 5cf59306d42ab3cc89219266d9635f36c9b7e5ee Mon Sep 17 00:00:00 2001
From: Lenz Weber-Tronic <lorenz.weber-tronic@apollographql.com>
Date: Mon, 2 Dec 2024 16:08:46 +0100
Subject: [PATCH] `actAsync` for React 17

---
 src/testing/internal/rtl/actAsync.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/testing/internal/rtl/actAsync.ts b/src/testing/internal/rtl/actAsync.ts
index 70a64009643..134c1a32053 100644
--- a/src/testing/internal/rtl/actAsync.ts
+++ b/src/testing/internal/rtl/actAsync.ts
@@ -5,9 +5,13 @@
 // and https://github.com/testing-library/react-testing-library/pull/1365
 
 import * as React from "react";
+import * as DeprecatedReactTestUtils from "react-dom/test-utils";
+
+const reactAct =
+  typeof React.act === "function" ? React.act : DeprecatedReactTestUtils.act;
 
 export function actAsync<T>(scope: () => T | Promise<T>): Promise<T> {
-  return React.act(async () => {
+  return reactAct(async () => {
     return await scope();
   });
 }