external_url_provider.ts

@NgModule({
    providers: [
        {
            provide: externalUrlProvider,
            useValue: (route: ActivatedRouteSnapshot) => {
                const externalUrl = route.paramMap.get('externalUrl');
                window.open(externalUrl, '_self');
            },
        },
    ],
    imports: [
        RouterModule.forRoot(routes),
    ],
    exports: [RouterModule],
})
export class AppRoutingModule {}