abp/samples/BookStore-Angular-MongoDb/angular/src/app/app.component.ts

import { LazyLoadService } from '@abp/ng.core';
import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-root',
  template: `
    <abp-loader-bar></abp-loader-bar>
    <router-outlet></router-outlet>
  `,
})
export class AppComponent implements OnInit {
  constructor(private lazyLoadService: LazyLoadService) {}

  ngOnInit() {
    this.lazyLoadService
      .load(
        [
          'primeng.min.css',
          'primeicons.css',
          'primeng-nova-light-theme.css',
          'fontawesome-all.min.css',
          'fontawesome-v4-shims.min.css',
        ],
        'style',
        null,
        'head',
        'afterbegin',
      )
      .subscribe();
  }
}