componente temporizador por tiempo

updateTimeBy.js

import React, { useState } from 'react';

const UpdateTimeBy = (props) => {
    const today = new Date();
    const updateTime = () => {
        return `${today.getHours()} : ${today.getMinutes()} : ${today.getSeconds()}`;
    }
    const [time, setTime] = useState(updateTime())

    setTimeout(() => {
        setTime(updateTime())
    }, props.seconds || 1000);

    return(
        <div>
            <h1>{time}</h1>
        </div>
    )
};

export default UpdateTimeBy