Angular + Material Data Table with dynamic rows

<!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/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/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',
   
    '@angular/material': 'npm:@angular/material/bundles/material.umd.js',
    '@angular/cdk': 'npm:@angular/cdk/bundles/cdk.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';

platformBrowserDynamic().bootstrapModule(AppModule)

//our root app component
import {Component, NgModule, VERSION} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'

import { MdTableModule } from '@angular/material';
import { CdkTableModule } from '@angular/cdk';
import { HttpModule } from '@angular/http';

import { UserService } from './user-service';
import { ExampleDataSource, ExampleDatabase } from './database';


@Component({
  selector: 'my-app',
  template: `
    <h2>Material Data Table with dynamic rows</h2>
    <md-table [dataSource]="dataSource" mdSort *ngIf="meta.attributes.length">
      <ng-container *ngFor="let attr of meta.attributes">
    
        <ng-container [cdkColumnDef]="attr.name">
          <md-header-cell *cdkHeaderCellDef md-sort-header>{{attr.label}}</md-header-cell>
          <md-cell *cdkCellDef="let row">
            {{row[attr.name]}}
          </md-cell>
        </ng-container>
      </ng-container>
    
      <md-header-row *cdkHeaderRowDef="displayedColumns"></md-header-row>
      <md-row *cdkRowDef="let row; columns: displayedColumns;"></md-row>
    
    </md-table>
  `,
})
export class App {
  displayedColumns = [];
  exampleDatabase = new ExampleDatabase();
  dataSource: ExampleDataSource | null;

  meta: any = {
    attributes: []
  };

  constructor(private service: UserService) {}

  ngOnInit() {
    this.dataSource = new ExampleDataSource(this.exampleDatabase);
    this.service.getMeta().subscribe((meta: any[]) => {
      meta.forEach(x => this.meta.attributes.push({label: x.label, name: x.name}));

      this.service.getTableData().subscribe(data => {
        this.exampleDatabase.loadData(data);
        this.displayedColumns = this.meta.attributes.map(x => x.name);
      });
    });
  }
}

@NgModule({
  imports: [
    BrowserModule,
    HttpModule, 
    MdTableModule, 
    CdkTableModule
  ],
  declarations: [ App ],
  providers: [UserService],
  bootstrap: [ App ]
})
export class AppModule {}

import { Injectable } from '@angular/core';
import { Http } from '@angular/http';
import 'rxjs/add/operator/map';


@Injectable()
export class UserService {

  constructor(private http: Http) {}

  getMeta() {
    return this.http
      .get('meta.json')
      .map(x => x.json());
  }

  getTableData() {
    return this.http
      .get('data.json')
      .map(x => x.json());
  }
}

import { DataSource } from '@angular/cdk';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
import { Observable } from 'rxjs/Observable';


export interface UserData {
  id: string;
  name: string;
}

export class ExampleDatabase {
  dataChange: BehaviorSubject<UserData[]> = new BehaviorSubject<UserData[]>([]);
  get data(): UserData[] { return this.dataChange.value; }

  loadData(data) {
    this.dataChange.next(data);
  }
}


export class ExampleDataSource extends DataSource<any> {
  constructor(private _exampleDatabase: ExampleDatabase) {
    super();
  }

  connect(): Observable<UserData[]> {
    return this._exampleDatabase.dataChange;
  }

  disconnect() {}
}

[
  {
    "id": 1,
    "name": "Name 1"
  },
  {
    "id": 2,
    "name": "Name 2"
  },
  {
    "id": 3,
    "name": "Name 3"
  },
  {
    "id": 4,
    "name": "Name 4"
  },
  {
    "id": 5,
    "name": "Name 5"
  }
]

[
  {
    "label": "ID",
    "name": "id"
  },
  {
    "label": "Name",
    "name": "name"
  }
]