From 8b0510ac9198fb5ed82eae11d9627aa99ecf9e9f Mon Sep 17 00:00:00 2001
From: GU Yiling <justice360@gmail.com>
Date: Mon, 18 Mar 2019 16:19:41 +0800
Subject: [PATCH] fix(codegen): support named function expression in v-on
 (#9709)

fix #9707
---
 src/compiler/codegen/events.js             | 2 +-
 test/unit/modules/compiler/codegen.spec.js | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/compiler/codegen/events.js b/src/compiler/codegen/events.js
index 8ce9e1b58e1..44657e38cd8 100644
--- a/src/compiler/codegen/events.js
+++ b/src/compiler/codegen/events.js
@@ -1,6 +1,6 @@
 /* @flow */
 
-const fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/
+const fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/
 const fnInvokeRE = /\([^)]*?\);*$/
 const simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/
 
diff --git a/test/unit/modules/compiler/codegen.spec.js b/test/unit/modules/compiler/codegen.spec.js
index e56b25766f2..e946e218491 100644
--- a/test/unit/modules/compiler/codegen.spec.js
+++ b/test/unit/modules/compiler/codegen.spec.js
@@ -500,6 +500,11 @@ describe('codegen', () => {
       '<input @input="function () { current++ }">',
       `with(this){return _c('input',{on:{"input":function () { current++ }}})}`
     )
+    // normal named function
+    assertCodegen(
+      '<input @input="function fn () { current++ }">',
+      `with(this){return _c('input',{on:{"input":function fn () { current++ }}})}`
+    )
     // arrow with no args
     assertCodegen(
       '<input @input="()=>current++">',