40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
// Copyright 2017-2022 @polkadot/react-hooks authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { useCallback, useEffect, useMemo, useState } from 'react';
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import { createNamedHook } from './createNamedHook';
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import { useIsMountedRef } from './useIsMountedRef';
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// Simple wrapper for a true/false toggle
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function useToggleImpl (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 useMemo(
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() => [isActive, _toggleActive, _setActive],
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[isActive, _toggleActive, _setActive]
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);
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}
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export const useToggle = createNamedHook('useToggle', useToggleImpl);
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