Fix button behaviours attempt no 2

src/App.svelte

@@ -91,17 +91,12 @@
 		follow: false,
 		coords: void 0,
 		setFollow: function(shouldFollow: boolean) {
-			if (this.follow && !shouldFollow) {
-				map.setZoom(1, {
-					animate: true,
-					duration: 5,
-				});
-			}
 			this.follow = shouldFollow;
 		},
-		update: function(coords: GeolocationCoordinates) {
+		update: function(coords: GeolocationCoordinates | undefined) {
 			this.coords = coords;
-			if (this.coords && this.follow) {
+			if (map && this.follow) {
+				if (this.coords) {
 					map.fitBounds(
 						L.latLng(this.coords.latitude, this.coords.longitude).toBounds(this.coords.accuracy * 2), 
 						{
@@ -110,6 +105,13 @@
 						},
 					);
 				}
+				else {
+					map.setZoom(1, {
+						animate: true,
+						duration: 5,
+					});
+				}
+			}
 		},
 	};