refactor: use constructor for checking error type in SCRoute

change SCRouteHttpVerbs from type to enum

src/core/Route.ts

@@ -15,6 +15,7 @@
 /**
  * Possible HTTP verbs for routes
  */
+import {SCErrorResponse} from './protocol/errors/ErrorResponse';
 import {SCBookAvailabilityRequest} from './protocol/routes/bookAvailability/BookAvailabilityRequest';
 import {SCBookAvailabilityResponse} from './protocol/routes/bookAvailability/BookAvailabilityResponse';
 import {SCBulkRequest} from './protocol/routes/bulk/BulkRequest';
@@ -35,7 +36,19 @@ import {SCThingUpdateRequest} from './protocol/routes/TYPE/UID/ThingUpdateReques
 import {SCThingUpdateResponse} from './protocol/routes/TYPE/UID/ThingUpdateResponse';
 import {SCMap} from './types/Map';
 
-export type SCRouteHttpVerbs = 'GET' | 'POST' | 'PUT';
+/**
+ * Possible Verbs for HTTP requests
+ */
+export enum SCRouteHttpVerbs {
+  GET = 'GET',
+  POST = 'POST',
+  PUT = 'PUT',
+}
+
+/**
+ * The constructor of an error response
+ */
+export type SCErrorResponseConstructor = new (...args: any) => SCErrorResponse;
 
 /**
  * A description of a route
@@ -44,7 +57,7 @@ export interface SCRoute {
   /**
    * A map of names of possible errors that can be returned by the route with their appropriate status codes
    */
-  errorNames: string[];
+  errorNames: SCErrorResponseConstructor[];
 
   /**
    * HTTP verb to use to request the route
@@ -81,10 +94,8 @@ export interface SCRoute {
  * An abstract route
  */
 export abstract class SCAbstractRoute implements SCRoute {
-  errorNames = [
-    'SCErrorResponse',
-  ];
-  method: SCRouteHttpVerbs = 'GET';
+  errorNames: SCErrorResponseConstructor[] = [];
+  method: SCRouteHttpVerbs = SCRouteHttpVerbs.GET;
   obligatoryParameters?: SCMap<string>;
   requestBodyName = 'any';
   responseBodyName = 'any';