function formatTime(date) { var year = date.getFullYear() var month = date.getMonth() + 1 var day = date.getDate() var hour = date.getHours() var minute = date.getMinutes() var second = date.getSeconds() return [hour, minute, second].map(formatNumber).join('-') } const formatDate = date => { const year = date.getFullYear(); const month = date.getMonth() + 1; const day = date.getDate() return [year, month, day].map(formatNumber).join('-') } function formatNumber(n) { n = n.toString() return n[1] ? n : '0' + n } module.exports = { formatTime: formatTime, formatDate: formatDate }