From 5ac703055fa83cb1e8a173bbd6a4d6c33707a3c3 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Sun, 16 Jan 2022 15:46:49 +0800
Subject: [PATCH] fix(types): handle ToRef<any>

fix #5188
---
 packages/reactivity/src/ref.ts | 4 ++--
 test-dts/ref.test-d.ts         | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/reactivity/src/ref.ts b/packages/reactivity/src/ref.ts
index 55059485d6c..c972676ac42 100644
--- a/packages/reactivity/src/ref.ts
+++ b/packages/reactivity/src/ref.ts
@@ -1,6 +1,6 @@
 import { isTracking, trackEffects, triggerEffects } from './effect'
 import { TrackOpTypes, TriggerOpTypes } from './operations'
-import { isArray, hasChanged } from '@vue/shared'
+import { isArray, hasChanged, IfAny } from '@vue/shared'
 import { isProxy, toRaw, isReactive, toReactive } from './reactive'
 import type { ShallowReactiveMarker } from './reactive'
 import { CollectionTypes } from './collectionHandlers'
@@ -222,7 +222,7 @@ class ObjectRefImpl<T extends object, K extends keyof T> {
   }
 }
 
-export type ToRef<T> = [T] extends [Ref] ? T : Ref<T>
+export type ToRef<T> = IfAny<T, Ref<T>, [T] extends [Ref] ? T : Ref<T>>
 
 export function toRef<T extends object, K extends keyof T>(
   object: T,
diff --git a/test-dts/ref.test-d.ts b/test-dts/ref.test-d.ts
index f91d6415f70..e585470d5e4 100644
--- a/test-dts/ref.test-d.ts
+++ b/test-dts/ref.test-d.ts
@@ -222,6 +222,11 @@ expectType<Ref<string>>(p2.obj.k)
 
   expectType<Ref<number>>(toRefResult.value.b)
   expectType<Ref<number>>(toRefsResult.a.value.b)
+
+  // #5188
+  const props = { foo: 1 } as { foo: any }
+  const { foo } = toRefs(props)
+  expectType<Ref<any>>(foo)
 }
 
 // toRef default value