Function withDebugTracing

packages/router/src/provide_router.ts:513–538

()

 * @publicApi
 */
export function withDebugTracing(): DebugTracingFeature {
  let providers: Provider[] = [];
  if (typeof ngDevMode === 'undefined' || ngDevMode) {
    providers = [
      {
        provide: ENVIRONMENT_INITIALIZER,
        multi: true,
        useFactory: () => {
          const router = inject(Router);
          return () =>
            router.events.subscribe((e: Event) => {
              // tslint:disable:no-console
              console.group?.(`Router Event: ${(<any>e.constructor).name}`);
              console.log(stringifyEvent(e));
              console.log(e);
              console.groupEnd?.();
              // tslint:enable:no-console
            });
        },
      },
    ];
  } else {
    providers = [];
  }
  return routerFeature(RouterFeatureKind.DebugTracingFeature, providers);
}

const ROUTER_PRELOADER = new InjectionToken<RouterPreloader>(
  typeof ngDevMode === 'undefined' || ngDevMode ? 'router preloader' : '',