Function daysInMonth

app/utils/date.ts:18–20

(year: number, month: number)

}

export function daysInMonth(year: number, month: number): number {
  return new Date(Date.UTC(year, month + 1, 0)).getUTCDate()
}

export function daysInYear(year: number): number {
  return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0) ? 366 : 365