Hi, thanks for your fast reply. What i want to reach is, that only a specific Component knows about its subordinates and not the entire app. Your proposal, i think, would share the Injectables with the whole app and not only with the AppInitializerComponent.
Am Dienstag, 5. Januar 2016 11:26:09 UTC+1 schrieb Günter Zöchbauer: > > 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.
