Function getDaysInMonth

packages/emcn/src/components/calendar/calendar.tsx:31–33

(year: number, month: number)

const DEFAULT_RANGE_END_TIME = '23:59'

function getDaysInMonth(year: number, month: number): number {
  return new Date(year, month + 1, 0).getDate()
}

function getFirstDayOfMonth(year: number, month: number): number {
  return new Date(year, month, 1).getDay()