import { useCallback, useEffect, useRef } from 'react';

/**
 * React.js hook that returns if the component is mounted
 */
function useMounted(): () => boolean {
  const mountedRef = useRef(true);

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

  return useCallback(() => mountedRef.current, []);
}

export default useMounted;