useOnClickOutside

useOnClickOutside.tsx

import { useEffect } from 'react';

function useOnClickOutside(ref: React.RefObject<HTMLElement>, handler: () => void) {
  useEffect(() => {
    const listener = (event: MouseEvent) => {
      if (!ref.current || ref.current.contains(event.target as Node)) {
        return;
      }

      handler();
    };

    document.addEventListener('mousedown', listener);

    return () => {
      document.removeEventListener('mousedown', listener);
    };
  }, [ref, handler]);
}

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