<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <script type="text/javascript" charset="utf-8">
      window.AngularVersionForThisPlunker = 'latest'
    </script>
    <title>angular playground</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

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

</html>
/* Styles go here */

### Tutorial to load all data before rendering view in angular using resolve API

### https://seegatesite.com
var angularVersion;
if(window.AngularVersionForThisPlunker === 'latest'){
  angularVersion = ''; //picks up latest
}
else {
  angularVersion = '@' + window.AngularVersionForThisPlunker;
}

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    '@angular/core': 'npm:@angular/core'+ angularVersion + '/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common' + angularVersion + '/bundles/common.umd.js',
    '@angular/common/http': 'npm:@angular/common' + angularVersion + '/bundles/common-http.umd.js',
    '@angular/compiler': 'npm:@angular/compiler' + angularVersion  + '/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http' + angularVersion + '/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router' + angularVersion +'/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms' + angularVersion + '/bundles/forms.umd.js',
    '@angular/animations': 'npm:@angular/animations' + angularVersion + '/bundles/animations.umd.js',
    '@angular/platform-browser/animations': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-animations.umd.js',
    '@angular/animations/browser': 'npm:@angular/animations' + angularVersion + '/bundles/animations-browser.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core' + angularVersion + '/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-testing.umd.js',
    '@angular/common/http/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-http-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler' + angularVersion + '/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http' + angularVersion + '/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router' + angularVersion + '/bundles/router-testing.umd.js',
    'tslib': 'npm:tslib@1.6.1',
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.2.1/lib/typescript.js'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    }
  }
});
//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app.module';

platformBrowserDynamic().bootstrapModule(AppModule)
//our root app component
import {Component, NgModule, VERSION} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'

@Component({
  selector: 'my-app',
  templateUrl:'src/app.component.html'
  ,
})
export class AppComponent { }
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { RouterModule } from '@angular/router';
import { AppRoutes } from './app.routes';
import { HttpModule } from '@angular/http';

import { ContactsService } from './contacts.service';
import { AppComponent } from './app.component';
import { ContactsListComponent } from './contacts-list.component';
import { DashboardComponent } from './dashboard.component';
import { ContactsDetailComponent } from './contacts-detail.component';

import { ContactResolve} from './contact.resolve';
import { DetailResolve} from './detail.resolve';

@NgModule({
  declarations: [
    AppComponent,
    ContactsListComponent,
    DashboardComponent,
    ContactsDetailComponent
  ],
  imports: [
    BrowserModule,
    HttpModule,
    RouterModule.forRoot(AppRoutes)
  ],
  providers: [ContactsService, ContactResolve, DetailResolve],
  bootstrap: [AppComponent]
})
export class AppModule { }
import { Routes } from '@angular/router';
import { ContactsListComponent } from './contacts-list.component';
import { DashboardComponent } from './dashboard.component';
import { ContactsDetailComponent } from './contacts-detail.component';

import { ContactResolve } from './contact.resolve';
import { DetailResolve } from './detail.resolve';


export const AppRoutes: Routes = [
  { path: 'contact', 
    component: ContactsListComponent,
    resolve: {
      contact: ContactResolve,
    }},
  { path: '', component: DashboardComponent },
  { 
    path: 'contact-detail',
    component: ContactsDetailComponent,
    resolve: {
      detail: DetailResolve,
    }
  }
];
<h2>Resolve Angular  2 4 5</h2>
    
<p>How to load all data before rendering view angular</p>
<hr>
<br>
<router-outlet></router-outlet>
<hr>
<p style="text-align: center;">Read tutorial here <a href="https://seegatesite.com/how-to-load-all-data-before-rendering-view-component-in-angular-4/">seegatesite</a></p>
import { Injectable } from '@angular/core';
import { Resolve, ActivatedRouteSnapshot,RouterStateSnapshot } from '@angular/router';
import { Observable } from 'rxjs/Rx';
import { ContactsService } from './contacts.service';
import { Subscription } from 'rxjs/Subscription';

@Injectable()
export class ContactResolve implements Resolve<any> {
  
  constructor(private  dataservice: ContactsService){}
 resolve(route:ActivatedRouteSnapshot, 
        state:RouterStateSnapshot,
       ): Observable<any> {
    return this.dataservice.getContacts();  
  }
}
import { Component, OnInit } from '@angular/core';
import { ActivatedRoute } from '@angular/router';
import { ContactsService } from './contacts.service';
import {Observable} from 'rxjs/Rx';
import { Subscription } from 'rxjs/Subscription';

@Component({
  selector: 'app-contact-detail',
  template: `<p>
Detail Informasi
</p>
<ul *ngIf="detail">
  <li>Name : {{detail.name}}</li>
  <li>Username : {{detail.username}}</li>
  <li>Phone : {{detail.phone}}</li>
  <li>Email : {{detail.email}}</li>
  <li>Website : {{detail.website}}</li>
  <li>Address : {{detail.address.street}}</li>
</ul>
<p>
  <a routerLink="../contact"  >Back</a>
</p>`,
})
export class ContactsDetailComponent implements OnInit {

  constructor(private route:ActivatedRoute) { }
  detail:any;
  ngOnInit() {
    this.detail = this.route.snapshot.data['detail'];
  }

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

@Component({
  selector: 'app-contact-list',
  template: `<ul>
  <li *ngFor='let contacts of contact'>
  <a routerLink='../contact-detail'   [queryParams]='{ id: contacts.id}'>{{contacts.name}}</a></li></ul>`,
})
export class ContactsListComponent implements OnInit {

  constructor(private route:ActivatedRoute) { }
  contact:any;
  ngOnInit() {
    this.contact = this.route.snapshot.data['contact'];
  }

}
import { Injectable } from '@angular/core';
import { Http, Response, RequestOptions, Headers } from '@angular/http';
import { Observable } from 'rxjs/Rx';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/catch';

@Injectable()
export class ContactsService {
  
  constructor(private http: Http) {
   
  }
   
  getContacts(): Observable<any> {
    const url = 'https://jsonplaceholder.typicode.com/users';
    return this.http.get(url, { })
      .map(
      res => {
        return res.json();
      },
      err => {
        return err;
      }
      )
  }
  getContactDetail(id): Observable<any> {
    const url = 'https://jsonplaceholder.typicode.com/users/'+id;
    return this.http.get(url, { })
      .map(
      res => {
        return res.json();
      },
      err => {
        return err;
      }
      )
  }
}
import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'dashboard-page',
  template: `
   welcome to the dashboard page <br>  <a [routerLink]="['contact']">show contact list</a>
  `
})
export class DashboardComponent implements OnInit {
  
  contacts: any[];
  
  constructor() {}
  
  ngOnInit() {
   
  }
}


/*
Copyright 2016 thoughtram GmbH. All Rights Reserved.
Use of this source code is governed by an TTML-style license that
can be found in the license.txt file at http://thoughtram.io/license.txt
*/
import { Injectable } from '@angular/core';
import { Resolve,ActivatedRoute, ActivatedRouteSnapshot,RouterStateSnapshot } from '@angular/router';
import { Observable } from 'rxjs/Rx';
import { ContactsService } from './contacts.service';
import { Subscription } from 'rxjs/Subscription';

@Injectable()
export class DetailResolve implements Resolve<any> {
  constructor(private  dataservice: ContactsService){}
   resolve(route:ActivatedRouteSnapshot, 
        state:RouterStateSnapshot,
       ): Observable<any> {
    return this.dataservice.getContactDetail( route.queryParams['id']);  
  }
}