“Useffect membandingkan nilai sebelumnya dengan saat ini” Kode Jawaban

Useffect membandingkan nilai sebelumnya dengan saat ini

//Custom Hook
function usePrevious(value) {
  const ref = useRef();
  useEffect(() => {
    ref.current = value;
  });
  return ref.current;
}

// Use it in useEffect
const Component = (props) => {
    const {receiveAmount, sendAmount } = props
    const prevAmount = usePrevious(receiveAmount);
    useEffect(() => {
        if(prevAmount.receiveAmount !== receiveAmount) {

         // process here
        }
    }, [receiveAmount])
}