ngx-bootstrap modal switch

<!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 */

### Angular Starter Plunker - Typescript

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',
    'ngx-bootstrap': 'npm:ngx-bootstrap@2.0.0-beta.8',
    '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';

platformBrowserDynamic().bootstrapModule(AppModule)

//our root app component
import { Component, NgModule, VERSION, ViewChild, AfterViewInit, ElementRef } from '@angular/core'
import {BrowserModule} from '@angular/platform-browser';
import { ModalDirective } from 'ngx-bootstrap';
import { CommonModule } from '@angular/common';
import { ModalModule } from 'ngx-bootstrap';

@Component({
  selector: 'my-app',
  template: `
    <div>
      <h2>Hello {{name}}</h2>
    </div>
<div bsModal #modalone="bs-modal" class="modal fade" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h4 class="modal-title">Modal ONe</h4>
            </div>
            <div class="modal-body">
                <button (click)="toggle()">Toggle</button>
            </div>
        </div>
    </div>
</div>

<div bsModal #modaltwo="bs-modal" class="modal fade" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h4 class="modal-title">Modal Two</h4>
            </div>
            <div class="modal-body">
                <button (click)="toggle()">Toggle</button>
            </div>
        </div>
    </div>
</div>
  `,
  styles: [ `
    .modal-open {
        overflow: hidden
    }

    .modal {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 1050;
        display: none;
        overflow: hidden;
        -webkit-overflow-scrolling: touch;
        outline: 0
    }

    .modal.fade .modal-dialog {
        transition: transform .3s ease-out;
        transform: translate(0, -25%)
    }

    .modal.in .modal-dialog {
        transform: translate(0, 0)
    }

    .modal-open .modal {
        overflow-x: hidden;
        overflow-y: auto
    }

    .modal-dialog {
        position: relative;
        width: auto;
        margin: 10px
    }

    .modal-content {
        position: relative;
        background-color: #fff;
        -webkit-background-clip: padding-box;
        background-clip: padding-box;
        border: 1px solid #999;
        border: 1px solid rgba(0, 0, 0, .2);
        border-radius: 6px;
        outline: 0;
        -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, .5);
        box-shadow: 0 3px 9px rgba(0, 0, 0, .5)
    }

    .modal-backdrop {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 1040;
        background-color: #000
    }

    .modal-backdrop.fade {
        filter: alpha(opacity=0);
        opacity: 0
    }

    .modal-backdrop.in {
        filter: alpha(opacity=50);
        opacity: .5
    }` ]
})
export class App implements AfterViewInit {
  name:string;
  @ViewChild('modalone') public modalone: ModalDirective;
  @ViewChild('modaltwo') public modaltwo: ModalDirective;

    one: boolean = true;
    
  constructor() {
    this.name = `Angular! v${VERSION.full}`
  }
  
  ngAfterViewInit(): void {
        this.modalone.show();
  }
  
  toggle() {
        if (this.one) {
            this.modalone.hide();
            this.modaltwo.show();
        } else {
            this.modalone.show();
            this.modaltwo.hide();
        }

        this.one = !this.one;
    }
}

@NgModule({
  imports: [ BrowserModule, ModalModule.forRoot(), CommonModule ],
  declarations: [ App ],
  bootstrap: [ App ]
})
export class AppModule {}