cargdev/angular
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

docs: replace ReflectiveInjector samples with Injector samples (#25162)

Browse Source 
PR Close #25162
This commit is contained in:
Brandon Roberts 2018-07-26 20:51:21 -05:00 committed by Igor Minar
parent 26516045e7
commit 08c6762039
1 changed files with 18 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
aio/content/examples/dependency-injection/src/app/car/car-injector.ts
View File

@ -1,26 +1,38 @@
import { ReflectiveInjector } from '@angular/core';
import { Injector } from '@angular/core';
import { Car, Engine, Tires } from './car';
import { Logger } from '../logger.service';
// #docregion injector
export function useInjector() {
let injector: ReflectiveInjector;
let injector: Injector;
// #enddocregion injector
/*
// #docregion injector-no-new
// Cannot instantiate an ReflectiveInjector like this!
let injector = new ReflectiveInjector([Car, Engine, Tires]);
// Cannot instantiate an Injector like this!
let injector = new Injector([
{ provide: Car, deps: [Engine, Tires] },
{ provide: Engine, deps: [] },
{ provide: Tires, deps: [] }
]);
// #enddocregion injector-no-new
*/
// #docregion injector, injector-create-and-call
injector = ReflectiveInjector.resolveAndCreate([Car, Engine, Tires]);
injector = Injector.create({
providers: [
{ provide: Car, deps: [Engine, Tires] },
{ provide: Engine, deps: [] },
{ provide: Tires, deps: [] }
]
});
// #docregion injector-call
let car = injector.get(Car);
// #enddocregion injector-call, injector-create-and-call
car.description = 'Injector';
injector = ReflectiveInjector.resolveAndCreate([Logger]);
injector = Injector.create({
providers: [{ provide: Logger, deps: [] }]
});
let logger = injector.get(Logger);
logger.log('Injector car.drive() said: ' + car.drive());
return car;