SkipSelf

decorator stable

npm Package	@angular/core
Module	import { SkipSelf } from '@angular/core';
Source	core/src/di/metadata.ts

How To Use

@Injectable()
class Car {
  constructor(@SkipSelf() public engine:Engine) {}
}

Description

For more details, see the "Dependency Injection Guide".

Example

class Dependency {}

@Injectable()
class NeedsDependency {
  constructor(@SkipSelf() public dependency: Dependency) { this.dependency = dependency; }
}

const parent = ReflectiveInjector.resolveAndCreate([Dependency]);
const child = parent.resolveAndCreateChild([NeedsDependency]);
expect(child.get(NeedsDependency).dependency instanceof Dependency).toBe(true);

const inj = ReflectiveInjector.resolveAndCreate([Dependency, NeedsDependency]);
expect(() => inj.get(NeedsDependency)).toThrowError();