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Angular · Decorator

Injectable

@Injectable marks a class so Angular can generate the metadata needed to create it and its injected dependencies. Its optional configuration can choose where the class is provided.

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Syntax

@Injectable(options?: ({ providedIn: Type<any> | 'any' } & InjectableProvider) | ({ providedIn: 'root' | 'platform' | null } & InjectableProvider));

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • Injector
  • InjectableProvider
  • InjectableType
  • inject
  • InjectionToken

Source: Injectable • Angular. Checked 2026-11-03.