robust

Author: ondras

data.json

@@ -1 +1 @@
-{}
+[]

index.html

@@ -8,7 +8,6 @@
 		<script type="module" src="https://unpkg.com/little-planet@0.6.2"></script>
 		<script src="https://unpkg.com/leaflet@1.8.0/dist/leaflet.js"></script>
 		<script src="https://unpkg.com/leaflet.markercluster@1.4.1"></script>
-		<script src="https://stamen-maps.a.ssl.fastly.net/js/tile.stamen.js?v1.3.0"></script>
 
 		<link rel="stylesheet" href="https://unpkg.com/leaflet@1.8.0/dist/leaflet.css" />
 		<link rel="stylesheet" href="https://unpkg.com/leaflet.markercluster@1.4.1/dist/MarkerCluster.css" />

index.js

@@ -112,7 +112,13 @@ async function init() {
 
 	map.addLayer(topo);
 	map.addLayer(group);
-	map.fitBounds(group.getBounds());
+
+	let bounds = group.getBounds();
+	if (bounds.isValid()) {
+		map.fitBounds(bounds);
+	} else {
+		map.setView([0, 0], 2);
+	}
 
 	fromURL(data);
 }