fix(router): fix redirectTo on named outlets - resolves #33783 (#47927)

fix(router): fix redirectTo on named outlets - resolves #33783

PR Close #47927

packages/router/src/utils/config.ts

@@ -84,8 +84,8 @@ function validateNode(route: Route, fullPath: string, requireStandaloneComponent
           RuntimeErrorCode.INVALID_ROUTE_CONFIG,
           `Invalid configuration of route '${fullPath}': Array cannot be specified`);
     }
-    if (!route.component && !route.loadComponent && !route.children && !route.loadChildren &&
-        (route.outlet && route.outlet !== PRIMARY_OUTLET)) {
+    if (!route.redirectTo && !route.component && !route.loadComponent && !route.children &&
+        !route.loadChildren && (route.outlet && route.outlet !== PRIMARY_OUTLET)) {
       throw new RuntimeError(
           RuntimeErrorCode.INVALID_ROUTE_CONFIG,
           `Invalid configuration of route '${

packages/router/test/config.spec.ts

@@ -157,6 +157,12 @@ describe('config', () => {
         validateConfig([{path: 'a', outlet: 'aux', loadChildren: jasmine.createSpy('child')}]);
       }).not.toThrow();
     });
+
+    it('should not throw when outlet has redirectTo', () => {
+      expect(() => {
+        validateConfig([{path: '', pathMatch: 'prefix', outlet: 'aux', redirectTo: 'main'}]);
+      }).not.toThrow();
+    });
   });
 });
 

packages/router/test/integration.spec.ts

@@ -3006,6 +3006,22 @@ describe('Integration', () => {
         expect(history[history.length - 1].state)
             .toEqual({foo: 'bar', navigationId: history.length});
       })));
+
+
+      it('can redirect from componentless named outlets', fakeAsync(() => {
+           const router = TestBed.inject(Router);
+           const fixture = createRoot(router, RootCmp);
+
+           router.resetConfig([
+             {path: 'main', outlet: 'aux', component: BlankCmp},
+             {path: '', pathMatch: 'full', outlet: 'aux', redirectTo: 'main'},
+           ]);
+
+           router.navigateByUrl('');
+           advance(fixture);
+
+           expect(TestBed.inject(Location).path()).toEqual('/(aux:main)');
+         }));
     });
 
     it('should set href on area elements', fakeAsync(() => {