Angular 2 Example - Router

import { Component }          from '@angular/core';
import { ROUTER_DIRECTIVES, Router }  from '@angular/router';

import { HeroService }    from './heroes/hero.service';

@Component({
  selector: 'my-app',
  template: `
    <pre>
    1. Click 'Heroes'
    2. Then, choose an item from the list
     Route will switch /routes -> /route/:id. 
     Duplicate fetch of entire list will be logged in console.
      ( same for /route/:id -> /routes )
     
    current route: {{ route }}
    </pre>
    
    <nav>
      <a [routerLink]="['/']">Home</a>
      <a [routerLink]="['/heroes']">Heroes</a>
    </nav>
    <router-outlet></router-outlet>
  `,
  providers:  [
    HeroService
  ],
  directives: [ROUTER_DIRECTIVES]
})
export class AppComponent {
  constructor(private router: Router) {
  }
  
  get route() {
    return this.router.routerState.snapshot.url.toString();
  }
}


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

import { provideRouter, RouterConfig }  from '@angular/router';

import { HeroesRoutes }       from './heroes/heroes.routes';

import { Component } from '@angular/core';
@Component({ template: `<h2>HOME</h2>` })
class HomeComponent {}

export const routes: RouterConfig = [
  { path: '',  component: HomeComponent },
  ...HeroesRoutes
];

export const APP_ROUTER_PROVIDERS = [
  provideRouter(routes)
];


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

import { Component, OnInit, OnDestroy } from '@angular/core';
import { Router, ActivatedRoute }       from '@angular/router';

import { Hero, HeroService } from './hero.service';

@Component({
  template: `
  <h2>HERO DETAILS</h2>
  <div *ngIf="hero">
    <h3>"{{hero.name}}"</h3>
    <div>
      <label>Id: </label>{{hero.id}}</div>
    <div>
      <label>Name: </label>
      <input [(ngModel)]="hero.name" placeholder="name"/>
    </div>
    <p>
      <button (click)="gotoHeroes()">Back</button>
    </p>
  </div>
  `,
  selector: "hero-detail"
})
export class HeroDetailComponent implements OnInit, OnDestroy  {
  hero: Hero;

  private sub: any;

  constructor(
    private route: ActivatedRoute,
    private router: Router,
    private service: HeroService) {}

  ngOnInit() {
    this.sub = this.route.params.subscribe(params => {
       let id = params['id'];
       
       if (!id) {
         return;
       }
       
       console.log('hero detail: fetching hero', id);
       this.service.getHero(id).then(hero => this.hero = hero);
     });
  }

  ngOnDestroy() {
    this.sub.unsubscribe();
  }

  gotoHeroes() {
    this.router.navigate(['/heroes']);
  }
}


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

// TODO SOMEDAY: Feature Componetized like CrisisCenter
import { Component, OnInit, OnDestroy } from '@angular/core';
import { ActivatedRoute, Router } from '@angular/router';

import { Hero, HeroService }   from './hero.service';

import { HeroDetailComponent } from './hero-detail.component.ts';

@Component({
  template: `
    <h2>HEROES</h2>
    <ul class="items">
      <li *ngFor="let hero of heroes"
        [class.selected]="isSelected(hero)"
        (click)="onSelect(hero)">
        <span class="badge">{{hero.id}}</span> {{hero.name}}
      </li>
    </ul>
    
    <hero-detail>
    </hero-detail>
  `,
  directives: [HeroDetailComponent]
})
export class HeroListComponent implements OnInit, OnDestroy {
  heroes: Hero[];

  private selectedId: number;
  private sub: any;

  constructor(
    private service: HeroService,
    private route: ActivatedRoute,
    private router: Router) {}

  ngOnInit() {
    console.log('hero list: fetching all heroes (expensive operation)');
    
    this.service.getHeroes()
        .then(heroes => this.heroes = heroes);
        
    this.sub = 
      this.route
        .params
        .subscribe(params => {
          
          this.selectedId = params['id'];
          
        });
  }

  ngOnDestroy() {
    this.sub.unsubscribe();
  }

  isSelected(hero: Hero) { return hero.id == this.selectedId; }

  onSelect(hero: Hero) {
    this.router.navigate(['/hero', hero.id]);
  }

}


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

import { Injectable } from '@angular/core';

export class Hero {
  constructor(public id: number, public name: string) { }
}

let HEROES = [
  new Hero(11, 'Mr. Nice'),
  new Hero(12, 'Narco'),
  new Hero(13, 'Bombasto'),
  new Hero(14, 'Celeritas'),
  new Hero(15, 'Magneta'),
  new Hero(16, 'RubberMan')
];

let heroesPromise = Promise.resolve(HEROES);

@Injectable()
export class HeroService {
  getHeroes() { return heroesPromise; }

  getHero(id: number | string) {
    return heroesPromise
      .then(heroes => heroes.filter(h => h.id === +id)[0]);
  }
}


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

import { RouterConfig }          from '@angular/router';
import { HeroListComponent }     from './hero-list.component';
import { HeroDetailComponent }   from './hero-detail.component';

export const HeroesRoutes: RouterConfig = [
  { path: 'heroes',  component: HeroListComponent },
  { path: 'hero/:id', component: HeroListComponent }
];


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

// main entry point
import { bootstrap }            from '@angular/platform-browser-dynamic';
import { AppComponent }         from './app.component';
import { APP_ROUTER_PROVIDERS } from './app.routes';

bootstrap(AppComponent, [
  APP_ROUTER_PROVIDERS
])
.catch(err => console.error(err));


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

/* Master Styles */
h1 {
  color: #369;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 250%;
}
h2, h3 {
  color: #444;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: lighter;
}
body {
  margin: 2em;
}
body, input[text], button {
  color: #888;
  font-family: Cambria, Georgia;
}
a {
  cursor: pointer;
  cursor: hand;
}
button {
  font-family: Arial;
  background-color: #eee;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  cursor: hand;
}
button:hover {
  background-color: #cfd8dc;
}
button:disabled {
  background-color: #eee;
  color: #aaa;
  cursor: auto;
}

/* Navigation link styles */
nav a {
  padding: 5px 10px;
  text-decoration: none;
  margin-top: 10px;
  display: inline-block;
  background-color: #eee;
  border-radius: 4px;
}
nav a:visited, a:link {
  color: #607D8B;
}
nav a:hover {
  color: #039be5;
  background-color: #CFD8DC;
}
nav a.active {
  color: #039be5;
}

/* items class */
.items {
  margin: 0 0 2em 0;
  list-style-type: none;
  padding: 0;
  width: 24em;
}
.items li {
  cursor: pointer;
  position: relative;
  left: 0;
  background-color: #EEE;
  margin: .5em;
  padding: .3em 0;
  border-radius: 4px;
}
.items li:hover {
  color: #607D8B;
  background-color: #DDD;
  left: .1em;
}
.items li.selected:hover {
  background-color: #BBD8DC;
  color: white;
}
.items .text {
  position: relative;
  top: -3px;
}
.items {
  margin: 0 0 2em 0;
  list-style-type: none;
  padding: 0;
  width: 24em;
}
.items li {
  cursor: pointer;
  position: relative;
  left: 0;
  background-color: #EEE;
  margin: .5em;
  padding: .3em 0;
  border-radius: 4px;
}
.items li:hover {
  color: #607D8B;
  background-color: #DDD;
  left: .1em;
}
.items li.selected {
  background-color: #CFD8DC;
  color: white;
}

.items li.selected:hover {
  background-color: #BBD8DC;
}
.items .text {
  position: relative;
  top: -3px;
}
.items .badge {
  display: inline-block;
  font-size: small;
  color: white;
  padding: 0.8em 0.7em 0 0.7em;
  background-color: #607D8B;
  line-height: 1em;
  position: relative;
  left: -1px;
  top: -4px;
  height: 1.8em;
  margin-right: .8em;
  border-radius: 4px 0 0 4px;
}

/* everywhere else */
* {
  font-family: Arial, Helvetica, sans-serif;
}


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

<!DOCTYPE html>
<html>
<html>
  <head>
    <!-- Set the base href -->
    <script>document.write('<base href="' + document.location + '" />');</script>
    <title>Router Sample</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="styles.css">

    <!-- Polyfill(s) for older browsers -->
    <script src="https://npmcdn.com/core-js/client/shim.min.js"></script>

    <script src="https://npmcdn.com/zone.js@0.6.12?main=browser"></script>
    <script src="https://npmcdn.com/reflect-metadata@0.1.3"></script>
    <script src="https://npmcdn.com/systemjs@0.19.27/dist/system.src.js"></script>

    <script src="systemjs.config.js"></script>
    <script>
      System.import('app')
            .catch(function(err){ console.error(err); });
    </script>
  </head>

  <body>
    <my-app>loading...</my-app>
  </body>

</html>


<!-- 
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
-->

/**
 * PLUNKER VERSION (based on systemjs.config.js in angular.io)
 * System configuration for Angular 2 samples
 * Adjust as necessary for your application needs.
 */
(function(global) {

  var ngVer = '@2.0.0-rc.3'; // lock in the angular package version; do not let it float to current!
  var routerVer = '@3.0.0-alpha.7'; // lock router version
  var formsVer = '@0.1.1'; // lock forms version
  var routerDeprecatedVer = '@2.0.0-rc.2'; // temporarily until we update all the guides

  //map tells the System loader where to look for things
  var  map = {
    'app':                        'app',

    '@angular':                   'https://npmcdn.com/@angular', // sufficient if we didn't pin the version
    '@angular/router':            'https://npmcdn.com/@angular/router' + routerVer,
    '@angular/forms':             'https://npmcdn.com/@angular/forms' + formsVer,
    '@angular/router-deprecated': 'https://npmcdn.com/@angular/router-deprecated' + routerDeprecatedVer,
    'angular2-in-memory-web-api': 'https://npmcdn.com/angular2-in-memory-web-api', // get latest
    'rxjs':                       'https://npmcdn.com/rxjs@5.0.0-beta.6',
    'ts':                         'https://npmcdn.com/plugin-typescript@4.0.10/lib/plugin.js',
    'typescript':                 'https://npmcdn.com/typescript@1.9.0-dev.20160409/lib/typescript.js',
 };

  //packages tells the System loader how to load when no filename and/or no extension
  var packages = {
    'app':                        { main: 'main.ts',  defaultExtension: 'ts' },
    'rxjs':                       { defaultExtension: 'js' },
    'angular2-in-memory-web-api': { main: 'index.js', defaultExtension: 'js' },
  };

  var ngPackageNames = [
    'common',
    'compiler',
    'core',
    'http',
    'platform-browser',
    'platform-browser-dynamic',
    'upgrade',
  ];

  // Add map entries for each angular package
  // only because we're pinning the version with `ngVer`.
  ngPackageNames.forEach(function(pkgName) {
    map['@angular/'+pkgName] = 'https://npmcdn.com/@angular/' + pkgName + ngVer;
  });

  // Add package entries for angular packages
  ngPackageNames.forEach(function(pkgName) {

    // Bundled (~40 requests):
    packages['@angular/'+pkgName] = { main: '/bundles/' + pkgName + '.umd.js', defaultExtension: 'js' };

    // Individual files (~300 requests):
    //packages['@angular/'+pkgName] = { main: 'index.js', defaultExtension: 'js' };
  });

  // No umd for router yet
  packages['@angular/router'] = { main: 'index.js', defaultExtension: 'js' };

  // Forms not on rc yet
  packages['@angular/forms'] = { main: 'index.js', defaultExtension: 'js' };

  // Temporarily until we update the guides
  packages['@angular/router-deprecated'] = { main: '/bundles/router-deprecated' + '.umd.js', defaultExtension: 'js' };

  var config = {
    // DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
    transpiler: 'ts',
    typescriptOptions: {
      tsconfig: true
    },
    meta: {
      'typescript': {
        "exports": "ts"
      }
    },
    map: map,
    packages: packages
  };

  System.config(config);

})(this);


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": true,
    "suppressImplicitAnyIndexErrors": true
  }
}