Method _getTimestampFromDateValue

packages/main/src/DayPicker.ts:905–920

* Converts a date value string to a timestamp. * @param dateValue - Date string to convert * @returns timestamp in seconds, or 0 if invalid * @private

(dateValue?: string)

	 * @private
	 */
	_getTimestampFromDateValue(dateValue?: string): number {
		if (!dateValue) {
			return 0;
		}

		try {
			const jsDate = this.getValueFormat().parse(dateValue) as Date;
			const calendarDate = CalendarDate.fromLocalJSDate(
				jsDate,
				this._primaryCalendarType,
			);
			return calendarDate.valueOf() / 1000;
		} catch {
			return 0;
		}
	}

	_isDayPressed(target: HTMLElement): boolean {
		const targetParent = target.parentNode as HTMLElement;