From d52d139b854238708195f5d332b7d0ec3a4883a5 Mon Sep 17 00:00:00 2001
From: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
Date: Mon, 28 Sep 2020 09:39:14 -0700
Subject: [PATCH] types: fix Typescript 4.1 compile error (#2219)

close #2218
---
 packages/reactivity/src/collectionHandlers.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/reactivity/src/collectionHandlers.ts b/packages/reactivity/src/collectionHandlers.ts
index f7ae9ae5dc6..93d09770c9a 100644
--- a/packages/reactivity/src/collectionHandlers.ts
+++ b/packages/reactivity/src/collectionHandlers.ts
@@ -21,7 +21,7 @@ const toReactive = <T extends unknown>(value: T): T =>
   isObject(value) ? reactive(value) : value
 
 const toReadonly = <T extends unknown>(value: T): T =>
-  isObject(value) ? readonly(value) : value
+  isObject(value) ? readonly(value as Record<any, any>) : value
 
 const toShallow = <T extends unknown>(value: T): T => value