export const usePrevious = <T extends {}>(value: T) => {
  // The ref object is a generic container whose current property is mutable ...
  // ... and can hold any value, similar to an instance property on a class

  const ref = useRef<T>(null);

  // Store current value in ref
  useEffect(() => {
    if (value) {
      // @ts-ignore
      ref.current = value;
    }
  }, []);

  // Return previous value (happens before update in useEffect above)
  return ref.current;
};