import { Component , OnInit , ChangeDetectionStrategy } from '@angular/core' ; @ Component ( { selector : 'app-settings' , templateUrl : './settings.component.html' , styleUrls : [ './settings.component.scss' ] , changeDetection : ChangeDetectionStrategy . OnPush } ) export class SettingsComponent implements OnInit { themes = [ { value : 'DEFAULT-THEME' , label : 'blue' } , { value : 'LIGHT-THEME' , label : 'light' } , { value : 'NATURE-THEME' , label : 'nature' } , { value : 'BLACK-THEME' , label : 'dark' } ] ; constructor ( ) { } ngOnInit ( ) { } }