Provider not found if CanActivateChild Guard is only declare within the module.

[lengcai]

This error goes away if the DumGuard is added to app.providers.ts , but this defeat the purpose of the module which can be configured to be loaded lazily.

features/sync/dum-guard.service.ts

@Injectable()
export class DumGuard implements CanActivateChild, CanActivate {
  constructor(private router: Router) {}

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
    return true;
  }

  canActivateChild(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
    return true;
  }
}

features/sync/index.ts

@NgModule({
  imports: [
    CommonModule,
    RouterModule.forChild(routes)
  ],
  declarations: [
    SyncComponent,
    ChildComponent
  ],
  providers: [
    DumGuard
  ]
})
export class SyncModule {}

features/sync/sync.routing.ts

export const routes: Routes = [
  {
    path: '',
    component: SyncComponent,
    children: [
      {
        path: '',
        canActivateChild: [ DumGuard ],
        children: [
          { path: '', component: ChildComponent }
        ]
      }
    ]
  }
];

error_handler.js:52 Error: Uncaught (in promise): Error: No provider for DumGuard!
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:429:31)
    at eval (webpack:///./~/zone.js/dist/zone.js?:406:13)
    at ZoneDelegate.invoke (webpack:///./~/zone.js/dist/zone.js?:203:28)
    at Object.onInvoke (webpack:///./~/@angular/core/src/zone/ng_zone_impl.js?:44:37)
    at ZoneDelegate.invoke (webpack:///./~/zone.js/dist/zone.js?:202:34)
    at Zone.run (webpack:///./~/zone.js/dist/zone.js?:96:43)
    at eval (webpack:///./~/zone.js/dist/zone.js?:462:57)
    at ZoneDelegate.invokeTask (webpack:///./~/zone.js/dist/zone.js?:236:37)
    at Object.onInvokeTask (webpack:///./~/@angular/core/src/zone/ng_zone_impl.js?:35:37)
    at ZoneDelegate.invokeTask (webpack:///./~/zone.js/dist/zone.js?:235:42)
  -------------   Elapsed: 9 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:424:21)
    at eval (webpack:///./~/zone.js/dist/zone.js?:406:13)
    at eval (webpack:///./~/@angular/router/src/router.js?:505:25)
    at ZoneDelegate.invoke (webpack:///./~/zone.js/dist/zone.js?:203:28)
  -------------   Elapsed: 0 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:424:21)
    at SafeSubscriber.eval [as _error] (webpack:///./~/zone.js/dist/zone.js?:406:13)
    at SafeSubscriber.__tryOrUnsub (webpack:///./~/rxjs/Subscriber.js?:223:16)
    at SafeSubscriber.error (webpack:///./~/rxjs/Subscriber.js?:184:26)
  -------------   Elapsed: 8 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:424:21)
    at eval (webpack:///./~/zone.js/dist/zone.js?:462:17)
    at ZoneDelegate.invokeTask (webpack:///./~/zone.js/dist/zone.js?:236:37)
    at Object.onInvokeTask (webpack:///./~/@angular/core/src/zone/ng_zone_impl.js?:35:37)
  -------------   Elapsed: 0 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:424:21)
    at eval (webpack:///./~/zone.js/dist/zone.js?:462:17)
    at ZoneDelegate.invokeTask (webpack:///./~/zone.js/dist/zone.js?:236:37)
    at Object.onInvokeTask (webpack:///./~/@angular/core/src/zone/ng_zone_impl.js?:35:37)
  -------------   Elapsed: 14 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at ZoneAwarePromise.then (webpack:///./~/zone.js/dist/zone.js?:536:17)
    at RuntimeCompiler._compileComponents (webpack:///./~/@angular/compiler/src/runtime_compiler.js?:173:49)
    at RuntimeCompiler._compileModuleAndComponents (webpack:///./~/@angular/compiler/src/runtime_compiler.js?:80:37)
    at RuntimeCompiler.compileModuleAsync (webpack:///./~/@angular/compiler/src/runtime_compiler.js?:71:21)
  -------------   Elapsed: 3 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:424:21)
    at eval (webpack:///./~/zone.js/dist/zone.js?:462:17)
    at ZoneDelegate.invokeTask (webpack:///./~/zone.js/dist/zone.js?:236:37)
    at Object.onInvokeTask (webpack:///./~/@angular/core/src/zone/ng_zone_impl.js?:35:37)
  -------------   Elapsed: 0 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:424:21)
    at eval (webpack:///./~/zone.js/dist/zone.js?:462:17)
    at ZoneDelegate.invokeTask (webpack:///./~/zone.js/dist/zone.js?:236:37)
    at Object.onInvokeTask (webpack:///./~/@angular/core/src/zone/ng_zone_impl.js?:35:37)
  -------------   Elapsed: 3 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:424:21)
    at eval (webpack:///./~/zone.js/dist/zone.js?:462:17)
    at ZoneDelegate.invokeTask (webpack:///./~/zone.js/dist/zone.js?:236:37)
    at Object.onInvokeTask (webpack:///./~/@angular/core/src/zone/ng_zone_impl.js?:35:37)
  -------------   Elapsed: 0 ms; At: Sun Oct 02 2016 00:45:37 GMT+0800 (MYT)   -------------  
    at Object.onScheduleTask (webpack:///./~/zone.js/dist/long-stack-trace-zone.js?:76:18)
    at ZoneDelegate.scheduleTask (webpack:///./~/zone.js/dist/zone.js?:213:49)
    at Zone.scheduleMicroTask (webpack:///./~/zone.js/dist/zone.js?:150:39)
    at scheduleResolveOrReject (webpack:///./~/zone.js/dist/zone.js?:460:14)
    at resolvePromise (webpack:///./~/zone.js/dist/zone.js?:424:21)
    at eval (webpack:///./~/zone.js/dist/zone.js?:406:13)
    at webpackJsonpCallback (http://localhost:3000/index.js:21:29)
    at http://localhost:3000/0.index.js:1:1

[qdouble]

@lengcai this seems to be more of Angular support question or issue rather than anything wrong in particular with the seed project...gitter https://gitter.im/angular/angular or the angular github may be more appropriate if you can reproduce the issue on plunker.

[brandonroberts]

@lengcai I think this is a bug that should be filed. If you can reproduce the issue in a plunker, you should file it over at https://github.com/angular/angular/issues