Function getISODay

pkgs/core/src/getISODay/index.ts:30–36

(
  date: DateArg<Date> & {},
  options?: GetISODayOptions,
)

 * //=> 7
 */
export function getISODay(
  date: DateArg<Date> & {},
  options?: GetISODayOptions,
): number {
  const day = toDate(date, options?.in).getDay();
  return day === 0 ? 7 : day;
}