From b8c8b3fc7a211744fdabd237a1a986a1f80b7c43 Mon Sep 17 00:00:00 2001
From: webfansplz <308241863@qq.com>
Date: Mon, 23 Oct 2023 15:08:58 +0800
Subject: [PATCH] fix(compiler-sfc): Resolve object expression parsing errors
 in `v-on` (#12862)

---
 packages/compiler-sfc/src/compileScript.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/compiler-sfc/src/compileScript.ts b/packages/compiler-sfc/src/compileScript.ts
index 719b53592d0..8039b41e1f7 100644
--- a/packages/compiler-sfc/src/compileScript.ts
+++ b/packages/compiler-sfc/src/compileScript.ts
@@ -1841,7 +1841,7 @@ function processExp(exp: string, isTS: boolean, dir?: string): string {
     if (dir === 'slot') {
       exp = `(${exp})=>{}`
     } else if (dir === 'on') {
-      exp = `()=>{${exp}}`
+      exp = `()=>{return ${exp}}`
     } else if (dir === 'for') {
       const inMatch = exp.match(forAliasRE)
       if (inMatch) {