Angular: Lazy loading modules with services
来源： https://stackoverflow.com/questions/48186872/angular-lazy-loading-modules-with-services
angular2-providers
Angular: Lazy loading modules with services
来源： https://stackoverflow.com/questions/48186872/angular-lazy-loading-modules-with-services
Angular2: How to inject two instances of the same service into multiple components?
问题 Suppose that I have an Angular Service that looks like this: @Injectable() export class Clipboard { constructor(private multiple: Multiple, private di:DI, private injected:Injected, private things: Things){} // The clipboard has local state: private isCut: boolean; private toPaste: Hero; cut(hero: Hero){ this.isCut = true; this.toPaste = hero; } copy(hero: Hero){ this.isCut = false; this.toPaste = hero; } paste(locaction: Location){ // Lots of really complex logic } canPaste(potentialLocation
No runtime provider for RuntimeCompiler
问题 I'm trying to follow the accepted answer here, and make a call to RuntimeCompiler.clearCache() Here's how I've tried to do it: import { Component } from '@angular/core'; import { OnInit } from '@angular/core'; import { RuntimeCompiler } from '@angular/compiler'; @Component({ moduleId: module.id, selector: 'my-app', templateUrl: 'app.component.html', }) export class AppComponent implements OnInit { constructor(private _runtimeCompiler: RuntimeCompiler) {} ngOnInit() { this._runtimeCompiler
How to provide custom provider to the all lazy loaded modules
问题 I am using Lazy Loading strategy of subcomponents in my application. On the top level of application, I have custom HTTP provider which intercept all ajax calls. providers:[{ provide: Http, useFactory: (backend: XHRBackend, defaultOptions: RequestOptions, cookieService: CookieService) => new CustomHttp(backend, defaultOptions, cookieService), deps: [XHRBackend, RequestOptions, CookieService] }] My lazy loaded modules do not affect this custom provider. Is there a way to provide it for them
How to provide custom provider to the all lazy loaded modules
I am using Lazy Loading strategy of subcomponents in my application. On the top level of application, I have custom HTTP provider which intercept all ajax calls. providers:[{ provide: Http, useFactory: (backend: XHRBackend, defaultOptions: RequestOptions, cookieService: CookieService) => new CustomHttp(backend, defaultOptions, cookieService), deps: [XHRBackend, RequestOptions, CookieService] }] My lazy loaded modules do not affect this custom provider. Is there a way to provide it for them too? Without duplication of code in the providers property in the component.module file. Thank you! I've
EXCEPTION: No provider for Headers! (App -> Api -> Headers)
Just cant figure out why I have still getting this missing Headers provider issue. My bootstrap.ts: import {enableProdMode, provide} from "angular2/core"; import {bootstrap, ELEMENT_PROBE_PROVIDERS} from 'angular2/platform/browser'; import {ROUTER_PROVIDERS, HashLocationStrategy, LocationStrategy} from 'angular2/router'; import {HTTP_PROVIDERS, HTTP_BINDINGS} from 'angular2/http'; const ENV_PROVIDERS = []; // depending on the env mode, enable prod mode or add debugging modules if (process.env.ENV === 'build') { enableProdMode(); } else { ENV_PROVIDERS.push(ELEMENT_PROBE_PROVIDERS); } /* * App
EXCEPTION: No provider for Headers! (App -> Api -> Headers)
问题 Just cant figure out why I have still getting this missing Headers provider issue. My bootstrap.ts: import {enableProdMode, provide} from "angular2/core"; import {bootstrap, ELEMENT_PROBE_PROVIDERS} from 'angular2/platform/browser'; import {ROUTER_PROVIDERS, HashLocationStrategy, LocationStrategy} from 'angular2/router'; import {HTTP_PROVIDERS, HTTP_BINDINGS} from 'angular2/http'; const ENV_PROVIDERS = []; // depending on the env mode, enable prod mode or add debugging modules if (process.env
Angular2 Module: How can i import a service from another module
import { NgModule } from '@angular/core'; import { CommonModule } from '@angular/common'; import { FormsModule } from '@angular/forms'; import { ClinicFacilityService } from './apiClient.module'; @NgModule({ imports: [ CommonModule, FormsModule ], declarations: [ DailyScheduleComponent, ], providers: [ ClinicFacilityService ], exports: [ DailyScheduleComponent ], }) export class ClinicDashboardModule { } I need to import ClinicFacilityService that is declared in another module ( apiClient.module ) Is this even possible, if not why is not possible. At the moment i am importing
What are providers in Angular2?
问题 In the Angular2 component configuration providers is one of the keys that we could specify. How are these providers defined and what are they used for? @Component({ .. providers: [..], .. }) Note : Angular2 documentation is gradually maturing but still sparse. It currently defines providers as: An array of dependency injection providers for services that the component requires. This recursive definition isn't very helpful. A more detailed explanation with an example would really help. 回答1: