Make Environment.backendUrl optional

Author: emersion

src/app/app.module.ts

@@ -204,7 +204,7 @@ import {ActionMenuComponent} from "./view/action-menu/action-menu/action-menu.co
         // and you send a request to these, the access token is appended.
         // Documentation:
         // https://manfredsteyer.github.io/angular-oauth2-oidc/docs/additional-documentation/working-with-httpinterceptors.html
-        allowedUrls: [environment.backendUrl],
+        allowedUrls: environment.backendUrl ? [environment.backendUrl] : [],
         sendAccessToken: true,
       },
     }),
@@ -233,7 +233,7 @@ import {ActionMenuComponent} from "./view/action-menu/action-menu/action-menu.co
   ],
   bootstrap: environment.customElement ? [] : [AppComponent],
   providers: [
-    {provide: BASE_PATH, useValue: environment.backendUrl},
+    ... environment.backendUrl ? [{provide: BASE_PATH, useValue: environment.backendUrl}] : [],
     {provide: HTTP_INTERCEPTORS, useClass: HttpErrorInterceptor, multi: true},
   ],
 })

src/environments/environment.model.ts

@@ -3,7 +3,7 @@ import {AuthConfig} from "angular-oauth2-oidc";
 export interface Environment {
   production: boolean;
   label: string;
-  backendUrl: string;
+  backendUrl?: string;
   authConfig?: AuthConfig;
   disableBackend: boolean;
   customElement: boolean;

src/environments/environment.standalone.ts

@@ -3,7 +3,6 @@ import {Environment} from "./environment.model";
 export const environment: Environment = {
   production: false,
   label: "standalone",
-  backendUrl: "http://localhost:8080",
   disableBackend: true,
   customElement: true,
 };