From 1139368dc24bc3f88845b682083675190d0569ac Mon Sep 17 00:00:00 2001
From: Dmitry Sharshakov <d3dx12.xx@gmail.com>
Date: Thu, 10 Oct 2019 21:08:12 +0300
Subject: [PATCH] types: improve writable computed types (#192)

---
 packages/runtime-core/src/apiReactivity.ts | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/packages/runtime-core/src/apiReactivity.ts b/packages/runtime-core/src/apiReactivity.ts
index 4749c2727b..76092b9f34 100644
--- a/packages/runtime-core/src/apiReactivity.ts
+++ b/packages/runtime-core/src/apiReactivity.ts
@@ -22,11 +22,11 @@ export {
 } from '@vue/reactivity'
 
 import {
-  Ref,
   computed as _computed,
   ComputedRef,
   WritableComputedOptions,
-  ReactiveEffect
+  ReactiveEffect,
+  WritableComputedRef
 } from '@vue/reactivity'
 
 import { currentInstance } from './component'
@@ -40,9 +40,13 @@ export function recordEffect(effect: ReactiveEffect) {
 }
 
 export function computed<T>(getter: () => T): ComputedRef<T>
-export function computed<T>(options: WritableComputedOptions<T>): Ref<T>
-export function computed<T>(getterOrOptions: any) {
-  const c = _computed(getterOrOptions)
+export function computed<T>(
+  options: WritableComputedOptions<T>
+): WritableComputedRef<T>
+export function computed<T>(
+  getterOrOptions: (() => T) | WritableComputedOptions<T>
+) {
+  const c = _computed(getterOrOptions as any)
   recordEffect(c.effect)
   return c
 }
-- 
2.47.3