Add sorting to all data types

- Add name-based sorting for entities with names
- Add order-based sorting for ordered stops
- Add "seconds remaining" based sorting for ETAs
- Add tests to check sorting

src/resolvers/StopResolvers.ts

@@ -8,14 +8,16 @@ export const StopResolvers: Resolvers<ServerContext> = {
       if (!system) {
         return [];
       }
-      return await system.shuttleRepository.getOrderedStopsByStopId(parent.id);
+      const orderedStops = await system.shuttleRepository.getOrderedStopsByStopId(parent.id);
+      return orderedStops.slice().sort((a, b) => a.position - b.position);
     },
     etas: async (parent, args, contextValue, _info) => {
       const system = contextValue.findSystemById(parent.systemId);
       if (!system) {
         return [];
       }
-      return await system.shuttleRepository.getEtasForStopId(parent.id);
+      const etas = await system.shuttleRepository.getEtasForStopId(parent.id);
+      return etas.slice().sort((a, b) => a.secondsRemaining - b.secondsRemaining);
     },
   },
 }