21 lines
523 B
TypeScript
21 lines
523 B
TypeScript
// Copyright 2017-2020 @polkadot/react-components authors & contributors
|
|
// This software may be modified and distributed under the terms
|
|
// of the Apache-2.0 license. See the LICENSE file for details.
|
|
|
|
import { Props } from '../types';
|
|
|
|
import React, { useEffect } from 'react';
|
|
|
|
function Null ({ onChange }: Props): React.ReactElement<Props> | null {
|
|
useEffect((): void => {
|
|
onChange && onChange({
|
|
isValid: true,
|
|
value: null
|
|
});
|
|
}, [onChange]);
|
|
|
|
return null;
|
|
}
|
|
|
|
export default React.memo(Null);
|