static/js/reload.js


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document.addEventListener("DOMContentLoaded", function() {
	const departureList = document.getElementById('departurelist');
	const syncFailedMarker = document.getElementById('syncfailedmarker');

	const showDepartures = (departureText) => {
		departureList.innerHTML = departureText;
	};

	const fetchDepartures = () => {
		var fetchUrl = window.location.href;
		if (fetchUrl.includes("?")) {
			fetchUrl += "&ajax=1";
		} else {
			fetchUrl += "?ajax=1";
		}
		fetch(fetchUrl)
			.then(response => {
				if (!response.ok) {
					throw Error(response.statusText);
				}
				return response.text()
			})
			.then(departureText => {
				syncFailedMarker.style.display = "none";
				showDepartures(departureText);
			})
			.catch(err => {
				syncFailedMarker.style.display = "inline-block";
			});
	};

	setInterval(fetchDepartures, 60000);
});