From 767ca8049915c5f79ffcdd76f37e5df769cf4e8b Mon Sep 17 00:00:00 2001
From: chenjiahan <chenjiahan@youzan.com>
Date: Fri, 9 Oct 2020 20:27:51 +0800
Subject: [PATCH] types(@vant/use): useScrollParent el can be undefined

---
 packages/vant-use/src/useScrollParent/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/vant-use/src/useScrollParent/index.ts b/packages/vant-use/src/useScrollParent/index.ts
index ee71ee8bc..202c30d9d 100644
--- a/packages/vant-use/src/useScrollParent/index.ts
+++ b/packages/vant-use/src/useScrollParent/index.ts
@@ -38,7 +38,7 @@ function getScrollParent(el: Element, root: ScrollElement = window) {
   return root;
 }
 
-export function useScrollParent(el: Ref<Element>) {
+export function useScrollParent(el: Ref<Element | undefined>) {
   const scrollParent = ref();
 
   onMounted(() => {