angular 2 ng2-letter-avatar component

app.ts

import {
    NgModule,
    Component
} from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from "@angular/platform-browser-dynamic";
import { Ng2LetterAvatar } from "ng2letteravatar/ng2letteravatar";

// import { Ng2LetterAvatar } from "node_modules/ng2letteravatar/ng2letteravatar.js";  provide absolute js file path

@Component({
    selector: 'sample',
    template: `
  <div> 
   <ng2-letter-avatar avatar-data='{{name}}' ></ng2-letter-avatar>
  </div>
  `
})
class HelloWorld {
    name: string = 'testing';
}

@NgModule({
    declarations: [HelloWorld, Ng2LetterAvatar],
    imports: [BrowserModule],
    bootstrap: [HelloWorld],
})
class HelloWorldAppModule { }

platformBrowserDynamic().bootstrapModule(HelloWorldAppModule);