@rozhkov/react-useful-hooks/src/usePrevious.ts

Useful hooks for React application

import {useEffect, useRef} from 'react';

const usePrevious = <T>(value: T): T | undefined => {
  const ref = useRef<T | undefined>(undefined);
  useEffect(() => {
    ref.current = value;
  });
  return ref.current;
};

export default usePrevious;