CountdownTimer react component

CountdownTimer.js

import React from 'react'

export default function CountdownTimer({ startSeconds }) {

  const [seconds, setSeconds] = React.useState(startSeconds);

  const timeoutCallback = React.useCallback(() => {
    if(seconds >= 1)
      setSeconds(seconds - 1);
  }, [seconds]);

  React.useEffect(() => {
    setTimeout(() => {
      timeoutCallback();
    }, 1000);
  }, [timeoutCallback]);

  return (
    <p className="seconds" >
      { seconds }
    </p>
  )
}

// <CountdownTimer startSeconds={3} />