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