const formatTime = date => { const year = date.getFullYear() const month = date.getMonth() + 1 const day = date.getDate() const hour = date.getHours() const minute = date.getMinutes() const second = date.getSeconds() return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':') } const formatNumber = n => { n = n.toString() return n[1] ? n : '0' + n } const isPoneAvailable= phone => { var myreg=/^[1][3,4,5,7,8][0-9]{9}$/; if (!myreg.test(phone)) { return false; } else { return true; } } module.exports = { formatTime: formatTime, isPoneAvailable: isPoneAvailable }