PTB-be/utils/hariKerja.js

const moment = require('moment')

exports.hariKerja = (n) => {
  const date = new Date()
  const day = parseInt(moment().format('E'))
  let counter = 0
  let result = -1
  for (let i = day; counter < n; i++) {
    result++
    if (i % 7 === 0 || i % 7 === 6) continue
    counter++
  }
  date.setDate(date.getDate() + result)
  return date.toISOString()
}