Function addYears

packages/@internationalized/date/src/manipulation.ts:110–116

(date: Mutable<AnyCalendarDate>, years: number)

}

function addYears(date: Mutable<AnyCalendarDate>, years: number) {
  if (date.calendar.isInverseEra?.(date)) {
    years = -years;
  }

  date.year += years;
}

function balanceYearMonth(date: Mutable<AnyCalendarDate>) {
  while (date.month < 1) {