20 lines
591 B
TypeScript
20 lines
591 B
TypeScript
// Copyright 2017-2020 @polkadot/react-hooks authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { useCallback, useState } from 'react';
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import useIsMountedRef from './useIsMountedRef';
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export default function useIncrement (defaultValue = 1): [number, () => void, (value: number) => void] {
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const mountedRef = useIsMountedRef();
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const [value, setValue] = useState(defaultValue);
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const increment = useCallback(
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(): void => {
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mountedRef.current && setValue((value: number) => ++value);
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},
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[mountedRef]
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);
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return [value, increment, setValue];
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}
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