From c6c91cd21dbf88b24bd1586c1bc40829fce96f0d Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Fri, 22 Mar 2024 13:06:04 +0100
Subject: [PATCH] Fix null check in deep equal algorithm (#4392)

---
 src/util/areDeepEqual.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/util/areDeepEqual.ts b/src/util/areDeepEqual.ts
index 508bf5f92..2772cf409 100644
--- a/src/util/areDeepEqual.ts
+++ b/src/util/areDeepEqual.ts
@@ -5,7 +5,8 @@ export function areDeepEqual<T extends any>(value1: T, value2: T): boolean {
     return false;
   }
 
-  if (type1 !== 'object') {
+  // eslint-disable-next-line no-null/no-null
+  if (type1 !== 'object' || value1 === null || value2 === null) {
     return value1 === value2;
   }