useOnClickOutside.js

import { useEffect } from "react";

const useOnClickOutside = (ref, handler) => {
  useEffect(() => {
    const listener = (event) => {
      if (!ref.current || ref.current.contains(event.target)) {
        return;
      }

      handler(event);
    };

    document.addEventListener("mousedown", listener);

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

export default useOnClickOutside;