getmonthlist/index.js

Input the month and year, Output the data for the current month

// [{year month date week}]
function getMonthList(year, month) {
  function getCountDays() {
      const curDate = new Date()
      const curWeek = new Date()

      const month_Date = (month || month === 0) ? month + 1 : curDate.getMonth() + 1
      const month_Week = (month || month === 0) ? month : curDate.getMonth()
      const month_ = month || curDate.getMonth()
      const year_ = year || curDate.getFullYear()

      curDate.setFullYear(year_)
      curDate.setMonth(month_Date)
      curDate.setDate(0)

      curWeek.setFullYear(year_)
      curWeek.setMonth(month_Week)
      curWeek.setDate(1)

      return { curYear: year_, curMonth: month_, curDate, curWeek }
  }

  function getEveryDay() {
      const dayArray = []
      const curDate = getCountDays().curDate.getDate()
      const curWeek = getCountDays().curWeek
      const curMonth = getCountDays().curMonth
      const curYear = getCountDays().curYear
      for (let k = 1; k <= curDate; k++) {
          curWeek.setDate(k)
          dayArray.push({ year: curYear, month: curMonth, day: k, week: curWeek.getDay() || 7 })
      }
      return dayArray
  }
  return getEveryDay()
}

export default getMonthList