From 068df682dee0a9aae017df9e3262a08b98df67d4 Mon Sep 17 00:00:00 2001
From: RealityBoy <1923740402@qq.com>
Date: Wed, 31 Aug 2022 19:33:52 +0800
Subject: [PATCH] fix(components): [el-menu] compatible `menu.value` is null
 (#9566)

---
 packages/components/menu/src/menu.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/components/menu/src/menu.ts b/packages/components/menu/src/menu.ts
index 82db39e249..2054c1aa25 100644
--- a/packages/components/menu/src/menu.ts
+++ b/packages/components/menu/src/menu.ts
@@ -217,6 +217,7 @@ export default defineComponent({
     }
 
     const calcSliceIndex = () => {
+      if (!menu.value) return -1
       const items = Array.from(menu.value?.childNodes ?? []).filter(
         (item) => item.nodeName !== '#text' || item.nodeValue
       ) as HTMLElement[]