Function: Injectable

▸ Injectable<T>(options?): (target: T) => void

Decorator that marks a class providable as a dependency.

Use the providedIn option to provide the dependency in the root injector.

Example

Mark MyService as a dependency in a component.

@Injectable()
class MyService {
   doSomething() {
     console.log("Hello World!");
   }
}

@MnComponent({
   scope: {
      pageType: "record"
   },
   providers: [
      MyService
   ]
})
export class MyComponent {
  constructor(myService: MyService) {
    myService.doSomething();
  }
}

Example

Mark MyService as a dependency and provide it in the root injector.

@Injectable({
   providedIn: "root"
})
class MyService {
   doSomething() {
      console.log("Hello World!");
   }
}

@MnComponent({
   scope: {
      pageType: "record"
   }
})
export class MyComponent {
   constructor(myService: MyService) {
      myService.doSomething();
   }
}

Type parameters

Name	Type
T	extends Constructor

Parameters

Name	Type
options?	InjectableOptions

Returns

fn

▸ (target): void

Parameters

Name	Type
target	T

Returns

void

Defined in

packages/core/src/core/di/injectable.ts:69