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 ten2XO =(ten)=>{
  let val = Number(ten);  
  let xo= val.toString(16)
  if(val<16){
    xo = '0'+xo
  } 
  return xo;
}
module.exports = {
  formatTime,
  formatNumber,
  ten2XO
}