undefined trunkRoute error handling

src/components/map/stopMapContainer.js

@@ -121,15 +121,24 @@ const stopsMapper = stopGroup => ({
         const destinationSe = mergedRouteSegment.destinationSe
           ? mergedRouteSegment.destinationSe
           : get(mergedRouteSegment, 'route.nodes[0].destinationSe');
+
+        let trunkRoute;
+
+        try {
+          trunkRoute =
+            mergedRouteSegment.line.nodes && mergedRouteSegment.line.nodes[0].trunkRoute === '1';
+        } catch (e) {
+          trunkRoute = false;
+        }
+
         return {
           routeId: trimRouteId(mergedRouteSegment.routeId),
           destinationFi,
           destinationSe,
           viaFi: mergedRouteSegment.viaFi,
           viaSe: mergedRouteSegment.viaSe,
           mode: mergedRouteSegment.route.nodes[0].mode,
-          trunkRoute:
-            mergedRouteSegment.line.nodes && mergedRouteSegment.line.nodes[0].trunkRoute === '1',
+          trunkRoute,
         };
       }),
   ).sort(routeCompare),

src/util/routes.js

@@ -65,7 +65,14 @@ function routesToTree(routes, { stopZone, shortId }, height = 'auto', width = MA
         type: 'stop',
         zone: stop.stopZone,
         routeSegments: stop.routeSegments.nodes.map(segment => {
-          const trunkRoute = segment.line.nodes[0].trunkRoute === '1';
+
+          let trunkRoute;
+          try {
+            trunkRoute = segment.line.nodes[0].trunkRoute === '1';
+          } catch (e) {
+            trunkRoute = false;
+          }
+
           return {
             ...segment,
             trunkRoute,