From 8004d0615cb67c69ce73e50c777f071d02235203 Mon Sep 17 00:00:00 2001
From: Guillaume <guillaume.b.chau@gmail.com>
Date: Mon, 28 Jun 2021 18:36:22 +0200
Subject: [PATCH] fix: mergeOptions from not defined, closes #1491

---
 packages/app-backend-vue3/src/components/data.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/app-backend-vue3/src/components/data.ts b/packages/app-backend-vue3/src/components/data.ts
index 3098c87ba..4bd228260 100644
--- a/packages/app-backend-vue3/src/components/data.ts
+++ b/packages/app-backend-vue3/src/components/data.ts
@@ -355,6 +355,8 @@ function mergeOptions (
   from: any,
   instance: ComponentInstance
 ) {
+  if (!from) return to
+
   if (typeof from === 'function') {
     from = from.options
   }