From 83f4c466b0c0da72dc5e8a1804270d123077aea9 Mon Sep 17 00:00:00 2001
From: Alexey Bojhev <9medved@mail.ru>
Date: Sat, 18 Jan 2020 21:20:05 +0300
Subject: [PATCH] Typings for `useDefault`

Added generic type for `useDefault` state
---
 src/useDefault.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/useDefault.ts b/src/useDefault.ts
index c552949b26..108ac52289 100644
--- a/src/useDefault.ts
+++ b/src/useDefault.ts
@@ -1,13 +1,13 @@
 import { useState } from 'react';
 
-const useDefault = (defaultValue, initialValue): [any, (nextValue?: any) => void] => {
-  const [value, setValue] = useState(initialValue);
+const useDefault = <TStateType>(defaultValue: TStateType, initialValue: TStateType | (() => TStateType)) => {
+  const [value, setValue] = useState<TStateType | undefined | null>(initialValue);
 
   if (value === undefined || value === null) {
-    return [defaultValue, setValue];
+    return [defaultValue, setValue] as const;
   }
 
-  return [value, setValue];
+  return [value, setValue] as const;
 };
 
 export default useDefault;