From b5a709f3f19cc9535150bab0180d35bcc3e0ea88 Mon Sep 17 00:00:00 2001
From: BIMiracle <18730979+BIMiracle@users.noreply.github.com>
Date: Mon, 11 Mar 2024 21:14:03 +0800
Subject: [PATCH] fix(runtime-core): optimize judgment

---
 packages/runtime-core/src/components/BaseTransition.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/runtime-core/src/components/BaseTransition.ts b/packages/runtime-core/src/components/BaseTransition.ts
index e99fe0e496c..ef05970522c 100644
--- a/packages/runtime-core/src/components/BaseTransition.ts
+++ b/packages/runtime-core/src/components/BaseTransition.ts
@@ -364,7 +364,7 @@ export function resolveTransitionHooks(
       if (
         leavingVNode &&
         isSameVNodeType(vnode, leavingVNode) &&
-        (leavingVNode.el as TransitionElement)[leaveCbKey]
+        (leavingVNode.el as TransitionElement)?.[leaveCbKey]
       ) {
         // force early removal (not cancelled)
         ;(leavingVNode.el as TransitionElement)[leaveCbKey]!()