timer.ts

#! /usr/bin/env node

import { differenceInSeconds, min } from "date-fns";
import inquirer from "inquirer";
const res = await inquirer.prompt({
    type: "number",
    name:"userInput",
    message: "Please Enter the amount of second",
    validate : (input) =>{
        if(isNaN(input)){
            return "enter the number"
        }else if(input > 60) {
            return "Seconds must be in 60"
        }else {
            return true;
        }
    }
})
let input = res.userInput
function startTimer(val:number){
    const intTime = new Date().setSeconds(new Date().getSeconds() + val)
const intervalTime = new Date(intTime)
   setInterval(()=>{
    const currentTime = new Date()
    const timeDiff= differenceInSeconds(intervalTime,currentTime)
    if(timeDiff <= 0){
        console.log('Time has expired')
        process.exit()
    }
    const min = Math.floor((timeDiff%(3600*24))/3600)
    const sec = Math.floor(timeDiff% 60);
    console.log(`${min.toString().padStart(2, "0")}:${sec.toString().padStart(2, "0")}`);
   }), 1000
}
startTimer(input)