16 lines
544 B
TypeScript
16 lines
544 B
TypeScript
// Copyright 2017-2020 @polkadot/react-hooks 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 { useCallback, useState } from 'react';
|
|
|
|
export default function useIncrement (defaultValue = 1): [number, () => void, (value: number) => void] {
|
|
const [value, setValue] = useState(defaultValue);
|
|
const increment = useCallback(
|
|
(): void => setValue((value: number) => ++value),
|
|
[]
|
|
);
|
|
|
|
return [value, increment, setValue];
|
|
}
|