From 76b1448eb227c42e1791a691a86782b7a8cacfc0 Mon Sep 17 00:00:00 2001
From: Razvan Stoenescu <razvan.stoenescu@gmail.com>
Date: Thu, 4 Nov 2021 16:00:55 +0200
Subject: [PATCH] fix: HMR not working correctly with vue-class-component
 components (#1897)

---
 src/exportHelper.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/exportHelper.ts b/src/exportHelper.ts
index ebf27a3c4..9f98b41e5 100644
--- a/src/exportHelper.ts
+++ b/src/exportHelper.ts
@@ -1,8 +1,9 @@
 // runtime helper for setting properties on components
 // in a tree-shakable way
 export default (sfc: any, props: [string, string][]) => {
+  const target = sfc.__vccOpts || sfc
   for (const [key, val] of props) {
-    sfc[key] = val
+    target[key] = val
   }
-  return sfc
+  return target
 }