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37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
// See https://usehooks.com/useOnClickOutside/
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import { useEffect } from 'react';
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const useOnClickOutside = (ref, handler, enabled = true) => {
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useEffect(
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() => {
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if (!enabled) return;
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const listener = (event) => {
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// Do nothing if clicking ref's element or descendant elements
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if (!ref.current || ref.current.contains(event.target)) {
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return;
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}
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handler(event);
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};
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document.addEventListener('mousedown', listener);
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document.addEventListener('touchstart', listener);
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return () => {
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document.removeEventListener('mousedown', listener);
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document.removeEventListener('touchstart', listener);
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};
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},
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// Add ref and handler to effect dependencies
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// It's worth noting that because passed in handler is a new ...
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// ... function on every render that will cause this effect ...
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// ... callback/cleanup to run every render. It's not a big deal ...
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// ... but to optimize you can wrap handler in useCallback before ...
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// ... passing it into this hook.
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[ref, handler, enabled]
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);
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};
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export default useOnClickOutside;
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