From 221bb8800f4d3aefc9ddc8fa5435ae8ab8f2a151 Mon Sep 17 00:00:00 2001
From: Wu Haotian <whtsky@gmail.com>
Date: Fri, 11 Aug 2017 17:36:05 +0800
Subject: [PATCH] Fix class component checks for extended components

---
 lib/app/server.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/app/server.js b/lib/app/server.js
index 11f011ea0b..b45c4dad79 100644
--- a/lib/app/server.js
+++ b/lib/app/server.js
@@ -79,7 +79,7 @@ export default async context => {
   let Components = []
   try {
     Components = await Promise.all(getMatchedComponents(router.match(context.url)).map(Component => {
-      if (typeof Component !== 'function' || Component.super === Vue) {
+      if (typeof Component !== 'function' || Component.cid) {
         return sanitizeComponent(Component)
       }
       return Component().then(Component => sanitizeComponent(Component))