Function getISOWeekYear

packages/app-core/src/lib/template-render.ts:128–130

(date: Date)

/** ISO 8601 week-year (may differ from the calendar year at year boundaries). */
export function getISOWeekYear(date: Date): number {
  return isoWeekParts(date).year
}

/**
 * Inverse of {@link getISOWeek}: the Monday (local midnight) of the given ISO