You can pass provides to the `bootstrap(AppComponent, [provider1, provider2])` function. See also https://angular.io/docs/ts/latest/guide/hierarchical-dependency-injection.html
On Tuesday, January 5, 2016 at 10:59:23 AM UTC+1, [email protected] wrote: > > Hi, > > i'm a little bit confused about angular's behaviour on dependency > injection and providers. But first i want to give you a short overview: > > I'm new to Angular 2 and started just a few days ago with the Angular 2 > tutorial. I also read a lot of docs in the meantime. > I want to create an app which gets initialized by an initializer > component. So i created the main AppComponent, the AppInitializerComponent > and a SettingsService, which should later provide general settings, e.g. > the title of the site. > Now i tried to inject the Components / Services into their respective > superordinate. What i would expect is, that the AppComponent knows about > the AppInitializerComponent but not about the SettingsService, because it > is only important for the AppInitializerComponent. But i can't get it > working in a way like that. > > I ended up injecting both, the AppInitializerComponent and the > SettingsService, into the AppComponent, but it doesn't feel good to me. > > You can take a look at my current working state here: > https://plnkr.co/edit/ppEZRo2kharj8dJyBH6z > > I also made a plunker of my expected behaviour: > https://plnkr.co/edit/4C7kburx8dxfn0locFYK > > What i would expect is, that i define the AppInitializerComponent as a > @Component and give it a "providers" metadata attribute which contains the > SettingsService. The code i would expect results in an error message saying > that there is no provider defined for AppComponent -> > AppInitializerComponent -> SettingsService. > > > Is there any possibility in getting my expectation to work? > > Thanks a lot in advance :) > > Julian > -- You received this message because you are subscribed to the Google Groups "AngularJS" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/angular. For more options, visit https://groups.google.com/d/optout.
