Eigenschaft Bindung ngif nicht von einer Richtlinie auf eine eingebettete Vorlage

Ich bin erstellen einer einfachen Anwendung in Eckig (Angular2 RC4) und ich fand es schwierig, um die Anwendung auszuführen, die mit dem live-server in nodejs.

Möchte ich um Hilfe, was kann ich tun, um Fehler zu umgehen, erscheint in der Chrome-Konsole.

Fehler in der Konsole von Chrome:

browser_adapter.ts:82
EXCEPTION: Template parse errors:
Property binding ngif not used by any directive on an embedded template. Make sure that the property name is spelled correctly and all directives are listed in the "directives" section. ("
</video-list>

[ERROR ->]<video-detail *ngif="selectedVideo" [video]="selectedVideo">
</video-detail>"): AppComponent@8:0**

app.Komponente.ts

import {Input, Output, Component} from '@angular/core'
import {Config} from './config.service'
import {Video} from './video'
import {VideoListComponent} from './videolist.component'
import {VideoDetailComponent} from './videodetail.component'

@Component({
    selector: 'my-app',
    templateUrl: 'app/app.component.html',
    directives: [VideoListComponent, VideoDetailComponent]
})
export class AppComponent {
    title = Config.TITLE_PAGE;
    videos: Array<Video>;
    selectedVideo : Video;

constructor() {
    this.videos = [
        new Video(1, "Test", "www.test.com", "Test Description"),
        new Video(2, "Test 2", "www.test2.com")
    ]
}

onSelectVideo(video) {
    //console.log(JSON.stringify(video));
    this.selectedVideo = video;
}
}

app.component.html

<h1 class="jumbotron">
    {{title}}
</h1>
<!-- conceito [binding]  videos recebe os valores do AppComponent.ts-->
<video-list [videos]="videos" 
    (selectVideo)="onSelectVideo($event)">
</video-list>

<video-detail *ngif="selectedVideo" [video]="selectedVideo">
</video-detail>

Paket.json

{
"name": "angularbase",
  "version": "1.0.0",
  "description": "Projeto Base",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "projeto",
    "base",
    "angular",
    "angular2"
  ],
  "author": "Eduardo Cordeiro",
  "license": "ISC",
  "dependencies": {
    "@angular/common": "^2.0.0-rc.4",
    "@angular/compiler": "^2.0.0-rc.4",
    "@angular/core": "^2.0.0-rc.4",
    "@angular/forms": "^0.2.0",
    "@angular/http": "^2.0.0-rc.4",
    "@angular/platform-browser": "^2.0.0-rc.4",
    "@angular/platform-browser-dynamic": "^2.0.0-rc.4",
    "@angular/upgrade": "^2.0.0-rc.4",
    "angular2-in-memory-web-api": "0.0.7",
    "bootstrap": "^3.3.6",
    "rxjs": "^5.0.0-beta.6",
    "systemjs": "^0.19.27",
    "zone.js": "^0.6.12"
  }
}

systemjs.config.js

(function (global) {

    //mapa de carregamento do systemjs
    var map = {
        'app': 'app', //'dist',
        'rxjs': 'node_modules/rxjs',
        'angular2-in-memory-web-api': 'node_modules/angular2-in-memory-web-api',
        '@angular': 'node_modules/@angular'
    };

    //pacotes que o systemjs pode carregar
    // caso não encontre o arquivo no mapa
    var packages = {
        'app': { main: 'boot.js', defaultExtension: 'js' },
        'rxjs': { defaultExtension: 'js' },
        'angular2-in-memory-web-api': { defaultExtension: 'js' },
    };

    var packageNames = [
        '@angular/common',
        '@angular/compiler',
        '@angular/core',
        '@angular/http',
        '@angular/platform-browser',
        '@angular/platform-browser-dynamic',
        '@angular/router',
        '@angular/router-deprecated',
        '@angular/testing',
        '@angular/upgrade',
    ];

    //mapeia os pacotes do angular de acordo com o packageName acima
    packageNames.forEach(function (pkgName) {
        packages[pkgName] = { main: 'index.js', defaultExtension: 'js' };
    });

    var config = {
        map: map,
        packages: packages
    }

    if (global.filterSystemConfig) { global.filterSystemConfig(config); }
    System.config(config);

})(this);

tsconfig.json

{
"compilerOptions": {
    "target": "es6",
    "module": "system",
    "sourceMap": true,
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": false,
    "watch": true 
},
"exclude": [
    "node_modules"
]
}

InformationsquelleAutor Eduardo Cordeiro | 2016-07-22