import { Component, OnInit } from '@angular/core'; import { SystemConfigService } from '../system-config.service'; @Component({ selector: 'app-dashboard', templateUrl: './dashboard.component.html', styleUrls: ['./dashboard.component.scss'] }) export class DashboardComponent { foldersChart = 'foldersChart'; devicesChart = 'devicesChart'; constructor(private systemConfigService: SystemConfigService) { } ngOnInit() { this.systemConfigService.getSystemConfig().subscribe( x => console.log('Observer got a next value: ' + x), err => console.error('Observer got an error: ' + err), () => console.log('Observer got a complete notification') ); } }