import { useEffect, useState } from 'react';

function useWindowSize() {
  const isClient = typeof window === 'object';

  function getSize() {
    return {
      width: isClient ? window.innerWidth : undefined,
      height: isClient ? window.innerHeight : undefined
    };
  }

  const [windowSize, setWindowSize] = useState(getSize);

  useEffect(
  () => {
    if (!isClient) {
      return;
    }
    function handleResize() {
      setWindowSize(getSize());
    }
    window.addEventListener('resize', handleResize);
    return () => window.removeEventListener('resize', handleResize);
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);

  return windowSize;
}

export default useWindowSize;