src/app/app-preloading-strategy.ts
import { PreloadingStrategy, Route } from '@angular/router';
import { EMPTY, Observable } from 'rxjs';
export class AppPreloadingStrategy implements PreloadingStrategy {
preload(route: Route, load: () => Observable<any>): Observable<any> {
return route.path.startsWith('error') ? load() : EMPTY;
}
}