mirror of
https://github.com/streamich/react-use.git
synced 2025-12-08 18:02:14 +00:00
24 lines
535 B
Markdown
24 lines
535 B
Markdown
# `useDefault`
|
|
|
|
React state hook that returns the default value when state is null or undefined.
|
|
|
|
## Usage
|
|
|
|
```jsx
|
|
import {useDefault} from 'react-use';
|
|
|
|
const Demo = () => {
|
|
const initialUser = { name: 'Marshall' }
|
|
const defaultUser = { name: 'Mathers' }
|
|
const [user, setUser] = useDefault(defaultUser, initialUser);
|
|
|
|
return (
|
|
<div>
|
|
<div>User: {user.name}</div>
|
|
<input onChange={e => setUser({ name: e.target.value })} />
|
|
<button onClick={() => setUser(null)}>set to null</button>
|
|
</div>
|
|
);
|
|
};
|
|
```
|