text: import { useEffect, useRef } from 'react'
  
  function useInterval(callback, delay) {
    const savedCallback = useRef()
  
    // Remember the latest callback.
    useEffect(() => {
      savedCallback.current = callback
    }, [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
  