From cc238cdb8e9e90b700c22dfb0530d395e60c9836 Mon Sep 17 00:00:00 2001
From: Anthony Catel <paraboul@gmail.com>
Date: Thu, 14 Apr 2022 04:03:17 +0200
Subject: [PATCH] fix(ssr): avoid rendering reserved internal keys in output
 (#5564)

fix #5563
---
 packages/server-renderer/__tests__/ssrRenderAttrs.spec.ts | 2 ++
 packages/server-renderer/src/helpers/ssrRenderAttrs.ts    | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/server-renderer/__tests__/ssrRenderAttrs.spec.ts b/packages/server-renderer/__tests__/ssrRenderAttrs.spec.ts
index f3bcf8d3b93..62ccdb59974 100644
--- a/packages/server-renderer/__tests__/ssrRenderAttrs.spec.ts
+++ b/packages/server-renderer/__tests__/ssrRenderAttrs.spec.ts
@@ -15,6 +15,8 @@ describe('ssr: renderAttrs', () => {
     expect(
       ssrRenderAttrs({
         key: 1,
+        ref_key: 'foo',
+        ref_for: 'bar',
         ref: () => {},
         onClick: () => {}
       })
diff --git a/packages/server-renderer/src/helpers/ssrRenderAttrs.ts b/packages/server-renderer/src/helpers/ssrRenderAttrs.ts
index 8814f1fd735..147d08f0588 100644
--- a/packages/server-renderer/src/helpers/ssrRenderAttrs.ts
+++ b/packages/server-renderer/src/helpers/ssrRenderAttrs.ts
@@ -12,7 +12,7 @@ import {
 } from '@vue/shared'
 
 // leading comma for empty string ""
-const shouldIgnoreProp = makeMap(`,key,ref,innerHTML,textContent`)
+const shouldIgnoreProp = makeMap(`,key,ref,innerHTML,textContent,ref_key,ref_for`)
 
 export function ssrRenderAttrs(
   props: Record<string, unknown>,