ghost-portal/packages/react-params/src/Param/Null.tsx
Jaco Greeff 94a193cd72
Introduce React.memo for react-params (#2403)
* Introduce React.memo for react-params

* Deps
2020-03-17 11:45:26 +01:00

21 lines
515 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
});
}, []);
return null;
}
export default React.memo(Null);