From 172b7f5cf780cdfd135ee3a78965e92894bc5120 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Wed, 3 Oct 2018 11:57:47 -0400
Subject: [PATCH] fix: $emit should check for raw parent data for listeners

---
 packages/core/src/component.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/component.ts b/packages/core/src/component.ts
index a6f14cb0..d8ff5ebd 100644
--- a/packages/core/src/component.ts
+++ b/packages/core/src/component.ts
@@ -177,8 +177,10 @@ class InternalComponent {
     name: string,
     ...payload: any[]
   ): MountedComponent {
+    const parentData =
+      (this.$parentVNode && this.$parentVNode.data) || EMPTY_OBJ
     const parentListener =
-      this.$props['on' + name] || this.$props['on' + name.toLowerCase()]
+      parentData['on' + name] || parentData['on' + name.toLowerCase()]
     if (parentListener) {
       invokeListeners(parentListener, payload)
     }