From c1f2957a219ec7e6a6159a57c5d0717655c515cd Mon Sep 17 00:00:00 2001
From: Sebastian Silbermann <silbermann.sebastian@gmail.com>
Date: Tue, 7 May 2024 13:07:04 +0200
Subject: [PATCH] fix: Ensure `act` is not `any` when `React.act` is not
 declared (#1323)

---
 types/index.d.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/types/index.d.ts b/types/index.d.ts
index c1cb345f..37c8392a 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -251,6 +251,7 @@ export function cleanup(): void
  * If that's not available (older version of react) then it
  * simply calls the deprecated version which is ReactTestUtils.act(cb)
  */
-export const act: typeof reactAct extends never
+// IfAny<typeof reactAct, reactDeprecatedAct, reactAct> from https://stackoverflow.com/a/61626123/3406963
+export const act: 0 extends 1 & typeof reactAct
   ? typeof reactDeprecatedAct
   : typeof reactAct