An injection token can be utilized to configure Angular services in a similar fashion. Nonetheless, it currently relies on the Module with Providers methodology for injecting configuration. Are there alternative methods available for configuring services in Angular version 15 without utilizing modules?
It's actually quite simple:
Example:
// defining the token
const token = new InjectionToken<string>('token');
// defining a service that relies on the token
@Injectable()
export class MyService {
// injecting the token into the service
constructor(@Inject(token) private token: string) {}
getValue(): string {
return this.token;
}
}
@Component({
selector: 'my-app',
standalone: true,
providers: [
// supplying the token & service
{ provide: token, useValue: 'foobar'},
MyService,
],
template: ``,
})
export class App {
constructor(myService: MyService) {
// enjoy
console.log(myService.getValue());
}
}
bootstrapApplication(App);
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