From f3f94e4deb40d3a0d83804454874833b194f83da Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Fri, 26 Jun 2020 17:54:44 -0400
Subject: [PATCH] fix(runtime-core): component root should inherit scopeId from
 vnode

fix #1399
---
 packages/runtime-core/src/componentRenderUtils.ts | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/packages/runtime-core/src/componentRenderUtils.ts b/packages/runtime-core/src/componentRenderUtils.ts
index 060e07f71..510f8b9af 100644
--- a/packages/runtime-core/src/componentRenderUtils.ts
+++ b/packages/runtime-core/src/componentRenderUtils.ts
@@ -42,7 +42,6 @@ export function renderComponentRoot(
 ): VNode {
   const {
     type: Component,
-    parent,
     vnode,
     proxy,
     withProxy,
@@ -149,9 +148,8 @@ export function renderComponentRoot(
     }
 
     // inherit scopeId
-    const parentScopeId = parent && parent.type.__scopeId
-    if (parentScopeId) {
-      root = cloneVNode(root, { [parentScopeId]: '' })
+    if (vnode.scopeId) {
+      root = cloneVNode(root, { [vnode.scopeId]: '' })
     }
     // inherit directives
     if (vnode.dirs) {