Questions tagged [angular2-providers]
52 questions
1
vote
1 answer
Angular 2 - Using "multi" provider to override Http
I want to override Http with a custom class, say HttpClient to do some operations before a request and after a response, however I don't want to have to remember to import that class instead of the platform http class.
I've been experimenting with…
D_Naish
- 543
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- 20
1
vote
2 answers
How to import Javascript library in angular2 globally
I'm trying to import the moment.js library in angular2.
I found the following solution as:
import {Component} from 'angular2/core';
import * as moment from 'moment';
@Component({
selector: 'app',
template:…
kdu
- 1,259
- 4
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- 18
0
votes
2 answers
Is Singleton Instance of a service provided to child components?
Suppose there is a parent component P . Having two child components B and C .
I provide a service (MyService let's say) in the ElementInjector of P and Inject the service in the constructor of P component class.
I Inject the service again in the two…
Rishav Mahapatra
- 87
- 2
- 11
0
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1 answer
Can't resolve all parameters for Component when dependency is registered within a service via providedIn option?
I've been playing with DI in Angular and can't figure out why I run into an error when specifying a service to be provided in module via providedIn.
First off, I created SharedModule, declared there SharedComponent and configured SharedService as…
fekaloid
- 195
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- 9
0
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1 answer
serviceFactory as a dependecy (deps: []) in Provider Object - is it possible?
I got provider in app.module defined as follows:
{
multi: true,
deps: [ServiceA, ServiceB],
provide: HTTP_INTERCEPTORS,
useClass: HttpResponseInterceptor,
}
And it…
ppotera
- 61
- 5
0
votes
0 answers
Angular 2 - Singleton service causing injection problems with other service
I have a lot of code, but I'll try to cut it down. I am trying to transform a service into a singleton service (TagService). But this seems to be causing problems. I have lots of components and services, but I'll simplify it down to…
PadaKatel
- 177
- 2
- 15
0
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1 answer
Angular2 Routing-Resolve interface usage with OpaqueToken
I want to fetch data before an route/component is instantiated. Therefore I want to use the "Resolver"-Interface from the Angular2-Routing-Module.
Take a look at my code. Its working with a string as the provider name, but throwing errors if I use…
juli
- 109
- 1
- 9
0
votes
1 answer
Ionic 2: How to call Provider function in Controller class
I have created new Cordova Plugin only on my machine. Then I added it to my project. It is working fine when I call that plugin. Now, I tried to make a structured caller for my plugin. I created a Provider for it, but the problem is I don't know how…
Siti Aishah Ismail
- 639
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0
votes
3 answers
Angular 2 import path not working properly
I have a service that I injected into my app component.
app.component.ts
import { Component } from '@angular/core';
import {ProductService} from '../../../products/Classes/Product.Service';
import {TestService } from…
David
- 5,403
- 15
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0
votes
1 answer
Provider inside provider in Ionic2/ Angular2 Application
I am having two provider.
AppStorage which is responsible for setting and getting values from storage.
import { Injectable } from '@angular/core';
import {Http, Headers, RequestOptions} from '@angular/http';
import {Observable} from…
RAHUL DEEP
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0
votes
1 answer
Angular 2 - 404 provider issue
I'm having a problem while I'm trying to add a provider in my Angular 2 application. I was trying some solutions I found online but I can't figure out what is going on with my app.
Basically I'm getting the problem when I add the provider to my…
gon250
- 3,405
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- 75
0
votes
1 answer
Detect locale and set it on angular 2 root module using provider
I have a function to detect current locale and I need to set the locale at angular 2 rooot App module via provider. so that i can use that in all other components.
I know i can able to do this like below.
{ provide: 'Locale', useValue: 'en-US'…
chenk
- 392
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0
votes
1 answer
Do app.module providers and components share the same instance of an Injectable?
When I add the injectable CameraChannelService into ngModule's provider array:
import { CameraChannelService } from './camera-channel.service';
@NgModule({
declarations: [
AppComponent,
BabylonWallpaperDirective,
MenuComponent,
…
Armeen Moon
- 18,061
- 35
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- 233
0
votes
1 answer
Provide an object to a service
I'm trying to use a service implement by another person (github).
This service requires that a configuration be passed to it. According to the repo:
You have to configure Neo4jSettings in your bootstrap:
provide('Neo4jSettings', {useValue: {
…
ak321
- 3
- 1
0
votes
1 answer
Angular 2 Provider exception
When injecting service into component, I'm seeing the error:
One or more of providers "CategoriesComponent" were not defined: [?, [object Object], BrowserXhr, [object Object], [object Object], XHRBackend, [object Object]].
Please help me to…
user3027246
- 233
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