From b41eacd31e81e1e3c254117b60ab7a0aa2634c42 Mon Sep 17 00:00:00 2001
From: rory <rory@expensify.com>
Date: Mon, 7 Sep 2026 11:49:20 -0700
Subject: [PATCH] Replace banned object type in memoizedShallowEqual

---
 lib/memoizedShallowEqual.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/memoizedShallowEqual.ts b/lib/memoizedShallowEqual.ts
index 4a015f3d9..c89ea939a 100644
--- a/lib/memoizedShallowEqual.ts
+++ b/lib/memoizedShallowEqual.ts
@@ -8,7 +8,7 @@ import {shallowEqual} from 'fast-equals';
  * the O(keys) walk and the rest resolve in O(1). WeakMap keys make stale entries impossible to
  * read (lookup requires holding both exact objects) and let GC reclaim them.
  */
-const shallowEqualVerdicts = new WeakMap<object, WeakMap<object, boolean>>();
+const shallowEqualVerdicts = new WeakMap<WeakKey, WeakMap<WeakKey, boolean>>();
 
 /**
  * Identity-pair-memoized shallowEqual: same (a, b) references → cached verdict, no walk.