/**
 * @package   DPCalendar
 * @copyright Digital Peak GmbH. <https://www.digital-peak.com>
 * @license   https://www.gnu.org/licenses/gpl-3.0.html GNU/GPL
 */
(function () {
	'use strict';
	function watchElements(elements) {
		elements.forEach((mapElement) => {
			if ('IntersectionObserver' in window === false) {
				loadDPAssets(['/com_dpcalendar/js/dpcalendar/map.js'], () => DPCalendar.Map.create(mapElement));
				return;
			}
			const observer = new IntersectionObserver(
				(entries, observer) => {
					entries.forEach((entry) => {
						if (!entry.isIntersecting) {
							return;
						}
						observer.unobserve(mapElement);
						loadDPAssets(['/com_dpcalendar/js/dpcalendar/map.js'], () => DPCalendar.Map.create(mapElement));
					});
				}
			);
			observer.observe(mapElement);
		});
	}
	document.addEventListener('DOMContentLoaded', () => {
		loadDPAssets(['/com_dpcalendar/js/dpcalendar/dpcalendar.js']);
		watchElements([].slice.call(document.querySelectorAll('.com-dpcalendar-location__map .dp-map')));
		if (document.querySelector('.com-dpcalendar-location__resource')) {
			loadDPAssets(['/com_dpcalendar/js/dpcalendar/calendar.js']);
		}
	});
})();