pfadi-bussle/pages/helpers/date.js

import moment from 'moment'

export function getDays({ startDate, endDate }) {
  let currentDay = moment(startDate)
  const days = [dateFormat(currentDay)]

  if (!endDate) {
    return days
  }

  const end = moment(endDate)
  while (currentDay < end) {
    currentDay = currentDay.add(1, 'day')
    days.push(dateFormat(currentDay))
  }

  return days
}

export function dateFormat(date) {
  if (!date) {
    return null
  }
  return moment(date).format('YYYY-MM-DD')
}