Angular + Typescript Demo Plunk

<!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://maps.googleapis.com/maps/api/js?key=AIzaSyAKI3TuBMvR3SZUDhzpEwoR5MaK6mp5u5E&libraries=drawing"></script>
  <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',
    '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, OnInit } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
declare var google:any;
@Component({
  selector: 'my-app',
  styles:[`
   #map {
        height: 500px;
    }
  `],
  
  template: `
   <div>
      <div id="map"></div>
    </div>
    {{polygon | json}}
  `
})
export class App {
  map: any;
    drawingManager: any;
    

    constructor() {

    }

    ngOnInit() {
            var polygon1 = {
       draggable:true,
       editable:true,
       fillColor:"#f00"
    };
    var rect1 = {
       draggable:true,
       editable:true,
       fillColor:"#0f0"
    };
        this.map = new google.maps.Map(document.getElementById('map'), {
            center: { lat:17.4471, lng: 78.454 },
            zoom: 10
        });

        this.drawingManager = new google.maps.drawing.DrawingManager({
            drawingMode: google.maps.drawing.OverlayType.POLYGON,
            drawingControl: true,
            polygonOptions:polygon1
            rectangleOptions:rect1
            
            drawingControlOptions: {
                position: google.maps.ControlPosition.TOP_CENTER,
                drawingModes: [ 'polygon', 'rectangle']
               
            }
        });

        this.drawingManager.setMap(this.map);
        google.maps.event.addListener(this.drawingManager, 'overlaycomplete', (event) => {
            // Polygon drawn
            var poly =event.overlay.getPath().getArray();
            alert(poly);
            
        });
    }
    
}

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