ramisalem

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

 function useInterval(callback, delay , isRunnig) {
  const savedCallback = useRef();
  const [id , setId] = useState();
  // Remember the latest callback.
  useEffect(() => {
    savedCallback.current = callback;
  }, [callback]);

ramisalem

const express = require('express');
const bodyParser = require('body-parser');

const app = express();

app.use(bodyParser.json());