64299ebd29
* Bump API/Common (esnext exports) * Bump deps * Adjust * Bumps * Bumps * repository * Update dev * Remove Rococo (for the time being) * script extension
34 lines
933 B
TypeScript
34 lines
933 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, useEffect, useState } from 'react';
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import { useIsMountedRef } from './useIsMountedRef';
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// Simple wrapper for a true/false toggle
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export function useToggle (defaultValue = false, onToggle?: (isActive: boolean) => void): [boolean, () => void, (value: boolean) => void] {
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const mountedRef = useIsMountedRef();
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const [isActive, setActive] = useState(defaultValue);
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const _toggleActive = useCallback(
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(): void => {
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mountedRef.current && setActive((isActive) => !isActive);
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},
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[mountedRef]
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);
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const _setActive = useCallback(
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(isActive: boolean): void => {
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mountedRef.current && setActive(isActive);
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},
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[mountedRef]
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);
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useEffect(
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() => onToggle && onToggle(isActive),
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[isActive, onToggle]
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);
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return [isActive, _toggleActive, _setActive];
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}
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