const formatTime = date => { console.log(date); const day = parseInt(date / 1000 / 60 / 60 / 24); const hour = parseInt(date / 1000 / 60 / 60 % 24); const minute = parseInt(date / 1000 / 60 % 60); const arr = [hour, minute].map(formatNumber); arr.unshift(day); return arr } const formatNumber = n => { n = n.toString() return n[1] ? n : '0' + n } module.exports = { formatTime: formatTime }