83a2ddedd4
* Add React.emomo to some components * Linting * useCallback for callbacks * Additional useCallback impl.
17 lines
610 B
TypeScript
17 lines
610 B
TypeScript
// Copyright 2017-2020 @polkadot/react-hooks authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { useCallback, useState } from 'react';
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// Simple wrapper for a true/false toggle
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export default function useToggle (defaultValue = false): [boolean, () => void, (value: boolean) => void] {
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const [isActive, setActive] = useState(defaultValue);
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const toggleActive = useCallback(
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(): void => setActive((isActive: boolean) => !isActive),
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[]
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);
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return [isActive, toggleActive, setActive];
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}
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