From b0c97709bfe2c87d32ecc1f81286c374a8877c63 Mon Sep 17 00:00:00 2001
From: ZHAO Jinxiang <xiaoxiangmoe@gmail.com>
Date: Fri, 29 Mar 2019 15:10:12 +0800
Subject: [PATCH] fix: add optional attributes in AsyncState

---
 src/useAsync.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/useAsync.ts b/src/useAsync.ts
index 509f9991..c648c691 100644
--- a/src/useAsync.ts
+++ b/src/useAsync.ts
@@ -3,10 +3,13 @@ import { useState, useEffect, useCallback, DependencyList } from 'react';
 export type AsyncState<T> =
 | {
   loading: true;
+  error?: undefined;
+  value?: undefined;
 }
 | {
   loading: false;
   error: Error;
+  value?: undefined;
 }
 | {
   loading: false;