gistfile1.txt

function  daysInMonth (year, month) {
    return /8|3|5|10/.test(month) ? 30 : month === 1 ? (!(year % 4) && year % 100) || !(year % 400) ? 29 : 28 : 31
  }
  
  function formatDate (date, format, translation) {
    translation = (!translation) ? en : translation
    let year = date.getFullYear()
    let month = date.getMonth() + 1
    let day = date.getDate()
    let str = format
      .replace(/dd/, ('0' + day).slice(-2))
      .replace(/d/, day)
      .replace(/yyyy/, year)
      .replace(/yy/, String(year).slice(2))
      .replace(/MMMM/, this.getMonthName(date.getMonth(), translation.months))
      .replace(/MMM/, this.getMonthNameAbbr(date.getMonth(), translation.monthsAbbr))
      .replace(/MM/, ('0' + month).slice(-2))
      .replace(/M(?!a|ä|e)/, month)
      .replace(/su/, this.getNthSuffix(date.getDate()))
      .replace(/D(?!e|é|i)/, this.getDayNameAbbr(date, translation.days))
    return str
  },

function createDateArray (start, end) {
let dates = []
while (start <= end) {
dates.push(new Date(start))
start = new Date(start).setDate(new Date(start).getDate() + 1)
}
return dates
}