From 2a81e39fa1c8afa1054e14ae258453345d3b87c1 Mon Sep 17 00:00:00 2001
From: enpitsulin <enpitsulin@gmail.com>
Date: Wed, 30 Nov 2022 11:35:50 +0800
Subject: [PATCH] fix: toString util should unref the `Ref<T>`

fix #12884
---
 src/shared/util.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/shared/util.ts b/src/shared/util.ts
index 6eb54fdb4ef..b6d4f114770 100644
--- a/src/shared/util.ts
+++ b/src/shared/util.ts
@@ -1,3 +1,5 @@
+import { isRef, unref } from 'v3'
+
 export const emptyObject: Record<string, any> = Object.freeze({})
 
 export const isArray = Array.isArray
@@ -90,7 +92,7 @@ export function toString(val: any): string {
   return val == null
     ? ''
     : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
-    ? JSON.stringify(val, null, 2)
+    ? JSON.stringify(isRef(val) ? unref(val) : val, null, 2)
     : String(val)
 }