From e308ad99e9f5bdfb0910a2d6959e746f558714c5 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Sun, 9 Feb 2020 21:47:16 -0500
Subject: [PATCH] refactor: ensure setup context.emit always point to intenral
 emit

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

diff --git a/packages/runtime-core/src/component.ts b/packages/runtime-core/src/component.ts
index a615e8fa..3081ecad 100644
--- a/packages/runtime-core/src/component.ts
+++ b/packages/runtime-core/src/component.ts
@@ -493,7 +493,9 @@ function createSetupContext(instance: ComponentInternalInstance): SetupContext {
     // need to expose them through a proxy
     attrs: new Proxy(instance, SetupProxyHandlers.attrs),
     slots: new Proxy(instance, SetupProxyHandlers.slots),
-    emit: instance.emit
+    get emit() {
+      return instance.emit
+    }
   }
   return __DEV__ ? Object.freeze(context) : context
 }