From: Herrington Darkholme <2883231+HerringtonDarkholme@users.noreply.github.com>
Date: Tue, 21 Sep 2021 16:37:51 +0000 (+0800)
Subject: fix(compiler-core): only merge true handlers (#4577)
X-Git-Tag: v3.2.13~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d8a36d0198a427d3b6447128a3882287c0003413;p=thirdparty%2Fvuejs%2Fcore.git

fix(compiler-core): only merge true handlers (#4577)
---

diff --git a/packages/compiler-core/src/transforms/transformElement.ts b/packages/compiler-core/src/transforms/transformElement.ts
index 2bc44e8398..220db858a6 100644
--- a/packages/compiler-core/src/transforms/transformElement.ts
+++ b/packages/compiler-core/src/transforms/transformElement.ts
@@ -807,7 +807,7 @@ function dedupeProperties(properties: Property[]): Property[] {
     const name = prop.key.content
     const existing = knownProps.get(name)
     if (existing) {
-      if (name === 'style' || name === 'class' || name.startsWith('on')) {
+      if (name === 'style' || name === 'class' || isOn(name)) {
         mergeAsArray(existing, prop)
       }
       // unexpected duplicate, should have emitted error during parse