From 8eceabd14ebab2ba6523f920134b02fdf21e0a1c Mon Sep 17 00:00:00 2001
From: iwusong <wusong3918@gmail.com>
Date: Tue, 12 Apr 2022 14:42:00 +0800
Subject: [PATCH] fix(runtime-core): fix event listener as dynamicProp is added
 erroneously to props (#5517)

fix #5520
---
 packages/runtime-core/src/componentProps.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/runtime-core/src/componentProps.ts b/packages/runtime-core/src/componentProps.ts
index 8c09903ecb1..ad691607608 100644
--- a/packages/runtime-core/src/componentProps.ts
+++ b/packages/runtime-core/src/componentProps.ts
@@ -225,6 +225,10 @@ export function updateProps(
       const propsToUpdate = instance.vnode.dynamicProps!
       for (let i = 0; i < propsToUpdate.length; i++) {
         let key = propsToUpdate[i]
+        // skip if the prop key is a declared emit event listener
+        if (isEmitListener(instance.emitsOptions, key)){
+          continue
+        }
         // PROPS flag guarantees rawProps to be non-null
         const value = rawProps![key]
         if (options) {