25 lines
831 B
TypeScript
25 lines
831 B
TypeScript
// Copyright 2017-2022 @polkadot/react-components authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { RefObject, useCallback, useEffect } from 'react';
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function getClickedElement (refs: React.RefObject<HTMLDivElement>[], e: MouseEvent) {
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return refs.find((ref) => ref.current && ref.current.contains(e.target as HTMLElement));
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}
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export const useOutsideClick = (elements: RefObject<HTMLDivElement>[], callback: () => void): void => {
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const handleClick = useCallback((e: MouseEvent) => {
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if (elements.length && !getClickedElement(elements, e)) {
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callback();
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}
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}, [elements, callback]);
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useEffect(() => {
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document.addEventListener('click', handleClick, true);
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return () => {
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document.removeEventListener('click', handleClick, true);
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};
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}, [handleClick, callback]);
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};
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