Function alignStart

packages/react-stately/src/calendar/utils.ts:54–72

(
  date: CalendarDate,
  duration: DateDuration,
  locale: string,
  minValue?: DateValue | null,
  maxValue?: DateValue | null
)

}

export function alignStart(
  date: CalendarDate,
  duration: DateDuration,
  locale: string,
  minValue?: DateValue | null,
  maxValue?: DateValue | null
): CalendarDate {
  // align to the start of the largest unit
  let aligned = date;
  if (duration.years) {
    aligned = startOfYear(date);
  } else if (duration.months) {
    aligned = startOfMonth(date);
  } else if (duration.weeks || (duration.days && duration.days > 7)) {
    aligned = startOfWeek(date, locale);
  }

  return constrainStart(date, aligned, duration, locale, minValue, maxValue);
}

export function alignEnd(
  date: CalendarDate,