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In our root component, one thing we can do is subscribe to Router events, and do something related to router events. So how can we get router event? export class AppComponent implements OnInit { constructor(private router: Router) {} ngOnInit() { thi…
Article import 'rxjs/add/operator/filter'; import 'rxjs/add/operator/map'; import 'rxjs/add/operator/mergeMap'; import { Component, OnInit } from '@angular/core'; import { Router, NavigationEnd, ActivatedRoute } from '@angular/router'; import { Title…
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>angularRouter</title> </head><body> <!--1:--> <div ng-app="mymodule"> <!--通过ui-view属性指定路由模板的填充…
While Angular 2 usually uses event handlers to manage events and RxJS typically uses Observable.fromEvent, a good practice when using Angular 2 and RxJS combined is to use Subjects and push the value through each event so that you can use it as part…
Angular New Router Guide Configuring the Router- This guide shows the many ways to map URLs to components. Getting Started- These are instuctions for starting a new app with the New Router with AngularJS 1.4. Component Lifecycle Hooks- Lifecycle hook…
Angular UI Router: Different states with same URL? The landing page of my app has two states: home-public, home-logged-in. Now I want to show both states on the same URL, but let the controller and template depend on the user session (is the user log…
Define a auxilliary router: export const ROUTES: Routes = [ { path: 'folder/:name', component: MailFolderComponent, resolve: { messages: MailFolderResolver } }, { path: 'message/:id', component: MailViewComponent, outlet: 'pane', resolve: { message:…
A @Directive can also listen to events on their host element using @HostListener. This allows you to add behaviors that react to user input and update or modify properties on the element without having to create a custom component. import {Directive,…
Benefit to use child router is Angualr 2 then can lazy load the component on demand. Define a child router by adding three dots `/characters/...`: @RouteConfig([ { path: '/characters/...', name: 'Characters', component: CharactersComponent, useAsDefa…
For example we have built a form: form = this.fb.group({ store: this.fb.group({ branch: '', code: '' }), selector: this.createStock({}), stock: this.fb.array([]) }); We want to reponse to each time 'stock' value changes. To do that we can subscrube '…