Function convertValue

packages/react-stately/src/datepicker/utils.ts:239–252

(
  value: DateValue | null | undefined,
  calendar: Calendar
)

}

export function convertValue(
  value: DateValue | null | undefined,
  calendar: Calendar
): DateValue | null | undefined {
  if (value === null) {
    return null;
  }

  if (!value) {
    return undefined;
  }

  return toCalendar(value, calendar);
}

export function createPlaceholderDate(
  placeholderValue: DateValue | null | undefined,