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fixup: fix(core): WIP - support Attribute DI decorator in deps se…
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…ction of a tokens

Adding some random content to satisfy the 100 chars min length
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sonukapoor committed May 14, 2020
1 parent 7e37bd8 commit 0489f41
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Showing 3 changed files with 20 additions and 33 deletions.
1 change: 1 addition & 0 deletions packages/core/src/core_render3_private_export.ts
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ export {
SWITCH_COMPILE_INJECTABLE__POST_R3__ as ɵSWITCH_COMPILE_INJECTABLE__POST_R3__,
} from './di/injectable';
export {INJECTOR_IMPL__POST_R3__ as ɵINJECTOR_IMPL__POST_R3__} from './di/injector';
export {CREATE_ATTRIBUTE_DECORATOR__POST_R3__ as ɵCREATE_ATTRIBUTE_DECORATOR__POST_R3__} from './di/metadata';
export {
NG_INJ_DEF as ɵNG_INJ_DEF,
NG_PROV_DEF as ɵNG_PROV_DEF,
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22 changes: 18 additions & 4 deletions packages/core/src/di/metadata.ts
Original file line number Diff line number Diff line change
Expand Up @@ -277,12 +277,26 @@ export interface Attribute {
attributeName?: string;
}

function CREATE_ATTRIBUTE_DECORATOR__PRE_R3__(): AttributeDecorator {
return makeParamDecorator(
'Attribute',
(attributeName?: string) => ({attributeName}));
}

export function CREATE_ATTRIBUTE_DECORATOR__POST_R3__(): AttributeDecorator {
return makeParamDecorator(
'Attribute',
(attributeName?: string) =>
({attributeName, __NG_ELEMENT_ID__: () => ɵɵinjectAttribute(attributeName!)}));
}

const CREATE_ATTRIBUTE_DECORATOR_IMPL = CREATE_ATTRIBUTE_DECORATOR__PRE_R3__;

/**
* Attribute decorator and metadata.
*
* @Annotation
* @publicApi
*/
export const Attribute: AttributeDecorator =
makeParamDecorator('Attribute', (attributeName?: string) => ({attributeName,
__NG_ELEMENT_ID__: () => ɵɵinjectAttribute(attributeName!)}));
// */
export const Attribute: AttributeDecorator = CREATE_ATTRIBUTE_DECORATOR_IMPL();

30 changes: 1 addition & 29 deletions packages/core/test/acceptance/di_spec.ts
Original file line number Diff line number Diff line change
Expand Up @@ -1800,7 +1800,7 @@ describe('di', () => {
});
});

fdescribe('attribute tokens', () => {
describe('attribute tokens', () => {
it('should be able to provide an attribute token', () => {
const TOKEN = new InjectionToken<string>('Some token');
function factory(token: string): string {
Expand Down Expand Up @@ -1830,34 +1830,6 @@ describe('di', () => {
fixture.detectChanges();
expect(fixture.componentInstance.myComp.token).toBe('token with factory');
});

it('should be able to provide an attribute token through the ngModule decorator', () => {
@Injectable({
providedIn: 'root',
useFactory: (token: string) => new Service(token),
deps: [new Attribute('token')]
})
class Service {
constructor(public token: string) {}
}

@Component({
selector: 'my-comp',
template: '...',
providers: [{provide: 'token', useValue: 'component token'}]
})
class MyComp {
constructor(public service: Service) {}
}

TestBed.configureTestingModule(
{declarations: [MyComp], providers: [{provide: 'token', useValue: 'module token'}]});

const fixture = TestBed.createComponent(MyComp);
fixture.detectChanges();

expect(fixture.componentInstance.service.token).toBe('module token');
});
});

it('should not cause cyclic dependency if same token is requested in deps with @SkipSelf', () => {
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