Method _calculateWeekNumber

packages/main/src/DayPicker.ts:373–378

(date: Date)

	}

	_calculateWeekNumber(date: Date): number {
		const oDateFormat = DateFormat.getDateInstance({ pattern: "w", calendarType: this.primaryCalendarType, calendarWeekNumbering: this.calendarWeekNumbering });
		const weekNumber = oDateFormat.format(date);

		return Number(weekNumber);
	}

	/**
	 * Builds the dayNames object (header of the month).