API Reference
resolveFirstWeekSpec
functionResolves any FirstWeekSpec variant to the PlainDate of the
containing week's start (snapped to weekStartDay).
Defined in package/src/resolve-first-week.ts:37
resolveFirstWeekSpec(spec: FirstWeekSpec, weekStartDay: WeekStartDay, T: TemporalNamespace, timeZone: string | undefined): PlainDate