myems-web/src/hooks/useInterval.js
import { useEffect, useRef } from 'react';
const useInterval = (callback, delay) => {
const savedCallback = useRef();
// Remember the latest callback.
useEffect(() => {
savedCallback.current = callback;
});
// Set up the interval.
useEffect(() => {
function tick() {
savedCallback.current();
}
if (delay !== null) {
let id = setInterval(tick, delay);
return () => clearInterval(id);
}
}, [delay]);
};
export default useInterval;