import { Component, ViewEncapsulation } from '@angular/core'; import { AddComponentService } from './add-component.service'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'], encapsulation: ViewEncapsulation.None }) export class AppComponent { constructor(private componentCenter: AddComponentService) { } initTabContent = (tab: number) => { let theme = 'material'; switch (tab) { case 0: this.componentCenter.createBillingForm('billing', theme); break; case 1: this.componentCenter.createChart('jqxChart'); break; case 2: this.componentCenter.createDatatable('jqxDataTable', theme); break; } }; }