Hands-On Data Structures and Algorithms with JavaScript

Final application logic

So, now our application is ready to go. We have added the logic to stack the states that are being navigated to and we also have the logic for when the user hits the Back button. When we put all this logic together in our app.component.ts, we have the following:

import {Component, ViewEncapsulation} from '@angular/core';import {Router, NavigationEnd} from '@angular/router';import {Stack} from "./utils/stack";@Component({    selector: 'app-root',    templateUrl: './app.component.html',    styleUrls: ['./app.component.scss', './theme.scss'],    encapsulation: ViewEncapsulation.None})export class AppComponent {    constructor(private stack: Stack, private router: Router) {        this.router.events.subscribe((val) => {            if(val instanceof