From 985f4c91d9d3f47e1314d230c249b3faf79c6b90 Mon Sep 17 00:00:00 2001
From: Carlos Rodrigues <david-181@hotmail.com>
Date: Mon, 6 Jan 2020 21:15:49 +0000
Subject: [PATCH] types: improve isRef typing (#578)

---
 packages/reactivity/src/ref.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/reactivity/src/ref.ts b/packages/reactivity/src/ref.ts
index e2ff79e1..b4127c11 100644
--- a/packages/reactivity/src/ref.ts
+++ b/packages/reactivity/src/ref.ts
@@ -23,6 +23,7 @@ export interface Ref<T = any> {
 const convert = <T extends unknown>(val: T): T =>
   isObject(val) ? reactive(val) : val
 
+export function isRef<T>(r: Ref<T> | T): r is Ref<T>
 export function isRef(r: any): r is Ref {
   return r ? r._isRef === true : false
 }