outline/app/hooks/useUnmount.ts

import { useRef, useEffect } from "react";

/**
 * Hook that executes a callback when the component unmounts.
 *
 * @param callback Function to be called on component unmount
 */
const useUnmount = (callback: () => void) => {
  const ref = useRef(callback);
  ref.current = callback;

  useEffect(
    () => () => {
      ref.current();
    },
    []
  );
};

export default useUnmount;