Setup eslint and enforce rules

src/service/Routing.ts

@@ -1,10 +1,10 @@
-import {Singleton, Inject} from "../di"
-import {UniversalPath, Collection} from "../util"
-import {Unit} from "../lifecycle/Unit"
-import {Logging} from "./Logging"
-import {Route} from "../http/routing/Route";
-import {HTTPMethod} from "../http/lifecycle/Request";
-import {ViewEngineFactory} from "../views/ViewEngineFactory";
+import {Singleton, Inject} from '../di'
+import {UniversalPath, Collection} from '../util'
+import {Unit} from '../lifecycle/Unit'
+import {Logging} from './Logging'
+import {Route} from '../http/routing/Route'
+import {HTTPMethod} from '../http/lifecycle/Request'
+import {ViewEngineFactory} from '../views/ViewEngineFactory'
 
 /**
  * Application unit that loads the various route files from `app/http/routes` and pre-compiles the route handlers.
@@ -16,8 +16,8 @@ export class Routing extends Unit {
 
     protected compiledRoutes: Collection<Route> = new Collection<Route>()
 
-    public async up() {
-        this.app().registerFactory(new ViewEngineFactory());
+    public async up(): Promise<void> {
+        this.app().registerFactory(new ViewEngineFactory())
 
         for await ( const entry of this.path.walk() ) {
             if ( !entry.endsWith('.routes.js') ) {