Setup eslint and enforce rules

src/http/response/ViewResponseFactory.ts

@@ -1,7 +1,7 @@
-import {Container} from "../../di";
-import {ResponseFactory} from "./ResponseFactory";
-import {Request} from "../lifecycle/Request";
-import {ViewEngine} from "../../views/ViewEngine";
+import {Container} from '../../di'
+import {ResponseFactory} from './ResponseFactory'
+import {Request} from '../lifecycle/Request'
+import {ViewEngine} from '../../views/ViewEngine'
 
 /**
  * Helper function that creates a new ViewResponseFactory to render the given view
@@ -22,10 +22,12 @@ export class ViewResponseFactory extends ResponseFactory {
         /** The name of the view to render. */
         public readonly viewName: string,
         /** Optional data that should be passed to the view engine as params. */
-        public readonly data?: {[key: string]: any}
-    ) { super() }
+        public readonly data?: {[key: string]: any},
+    ) {
+        super()
+    }
 
-    public async write(request: Request) {
+    public async write(request: Request): Promise<Request> {
         const viewEngine = <ViewEngine> Container.getContainer().make(ViewEngine)
         request.response.body = await viewEngine.renderByName(this.viewName, this.data || {})
         request.response.setHeader('Content-Type', 'text/html; charset=utf-8')