Function endOfWeek

pkgs/core/src/endOfWeek/index.ts:43–62

(date: DateArg<DateType>, options?: EndOfWeekOptions<ResultDate>)

 * //=> Sun Sep 07 2014 23:59:59.999
 */
export function endOfWeek<
  DateType extends Date,
  ResultDate extends Date = DateType,
>(date: DateArg<DateType>, options?: EndOfWeekOptions<ResultDate>): ResultDate {
  const defaultOptions = getDefaultOptions();
  const weekStartsOn =
    options?.weekStartsOn ??
    options?.locale?.options?.weekStartsOn ??
    defaultOptions.weekStartsOn ??
    defaultOptions.locale?.options?.weekStartsOn ??
    0;

  const _date = toDate(date, options?.in);
  const day = _date.getDay();
  const diff = (day < weekStartsOn ? -7 : 0) + 6 - (day - weekStartsOn);

  _date.setDate(_date.getDate() + diff);
  _date.setHours(23, 59, 59, 999);
  return _date;
}