Questions tagged [injectable]
121 questions
19
votes
4 answers
Unit testing with private service injected using jasmine angular2
I have a problem trying to unit test an angular service. I want to verify that this service is properly calling another service that is injected into it.
Lets say I have this ServiceToTest that injects ServiceInjected:
ServiceToTest…
RjHiruma
- 193
- 1
- 1
- 4
15
votes
3 answers
Angular 6: provide HTTP_INTERCEPTORS for 'root'
With the change from Angular 5 where you provide service in AppModule to Angular 6 where you set 'provideIn' key in @Injectable decorator I have changed all services to use new "provideIn" method. However, exception is my Interceptor Service.
How…
Miloš Tomšik
- 225
- 1
- 3
- 9
15
votes
2 answers
What is the difference between @Inject and @Injectable in Angular 2 typescript
I don't understand When to use @Inject and when to use @Injectable ?
import {Component, Inject, provide} from '@angular/core';
import {Hamburger} from '../services/hamburger';
export class App {
bunType: string;
…
Sarvesh Yadav
- 2,600
- 7
- 23
- 40
10
votes
2 answers
How should I extend Injectable from another Injectable with many Injections in angular2?
Is it possible to do something like this? (cause I tried, and haven't succeed):
@Injectable()
class A {
constructor(private http: Http){ // <-- Injection in root class
}
foo(){
this.http.get()...
};
}
@Injectable()
class B…
karina
- 789
- 9
- 26
9
votes
2 answers
How Use shared preference with injectable and get_it in flutter?
im using injectable and get_it package in flutter
i have a shared preference class :
@LazySingleton()
class SharedPref {
final String _token = 'token';
SharedPreferences _pref;
SharedPref(this._pref);
Future getToken() async {
…
ali hoseinpoor
- 131
- 1
- 7
8
votes
1 answer
Dependency Injection, injecting an "injectable" object (service) into a newable (entity)
When writing code we should be able to identify two big group of objects:
Injectables
Newables
http://www.loosecouplings.com/2011/01/how-to-write-testable-code-overview.html
http://misko.hevery.com/2008/09/30/to-new-or-not-to-new/
Injectable…
Jupaol
- 21,107
- 8
- 68
- 100
8
votes
0 answers
Proper way of using DI (injectable-getIt) for testing in flutter?
Is it fine to get instances from getIt initialised in lib(dev) code or should I use another
way, or another DI setup for tests?
Please refer the code below:
void main() {
TravellerProfileViewModel travellerProfileViewModel;
UserService…
Ashank Bharati
- 81
- 4
7
votes
0 answers
Using Angular 8 Injectable service inside Web Worker
I have an Angular application which initialises Web Worker and starts some rendering operations inside it. Worker has instance of helper class Renderer to perform rendering operations.
Now I need to get real time data from RealtimeDataService…
Michael
- 151
- 1
- 8
7
votes
3 answers
Dependency injection when the class created also needs runtime values?
Assume you divide up your systems in Value objects and Services objects (as suggested in "Growing Object-Oriented Software, Guided by Tests". Misko Hevery calls these "newables" and "injectables".
What happens when one of your value objects…
WW.
- 23,793
- 13
- 94
- 121
6
votes
2 answers
Is there a way to pass factory params?
I have something like that:
@injectable
class SettingsBloc {
final Event event;
SettingsBloc(@factoryParam this.event);
}
When I call it from my code, I pass factory param like: getIt(param1: Event())
But when SettingsBloc is…
Alexander Farkas
- 529
- 3
- 11
6
votes
2 answers
How do I get an instance of Angular router without injecting it?
Usually I'd go like this in my component.
import { Router } from "@angular/router";
@Component({ ... })
export class CompyTheComponent {
constructor(private router: Router) {
console.log(router.url);
}
}
What if I want to obtain a…
Konrad Viltersten
- 36,151
- 76
- 250
- 438
6
votes
1 answer
How to make Angular2 Service singleton?
I'm trying to implement an auth guard in my app. ie; Only authenticated users can access certain routes of my app. I'm following the tut given here.
Once the user is logged in I change a boolean value in my AuthService to true to indicate that the…
Rahmathullah M
- 2,676
- 2
- 27
- 44
5
votes
1 answer
Accessing service from exported function in a module declaration in Angular 2+
I have the following Module declaration:
import { ConnectionService } from './services/connection.service';
import { NgModule } from '@angular/core';
import { Http, RequestOptions } from '@angular/http';
import { AuthHttp, AuthConfig } from…
jufracaqui
- 234
- 4
- 15
5
votes
2 answers
Angular2 routed component interaction with parent
Please consider the bellow diagram for my application
EventsHub is a simple injectable service :
import {Injectable} from '@angular/core';
import {Subject} from 'rxjs/Subject';
@Injectable()
export class EventsHub {
private…
Hasan
- 1,814
- 1
- 12
- 14
4
votes
0 answers
Flutter Injectable: inject multiple instances of generic types via annotation
I am using get_it in my flutter project for the dependency injection.
Now I am trying to do it with injectable to replace my handwritten dependency file with annotations.
I have the special case, that I have a class which is generic and must be…
A.K.
- 568
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- 17