useCountdown.tsx

import { useState, useEffect } from 'react'

export const useCountdown = (time: number) => {
    const [count, setCount] = useState(time)

    useEffect(() => {
        setTimeout(() => {
            if (count) {
                setCount((prevCount: number) => prevCount - 1)
            }
        }, 1000)
    }, [count])

    return count
}