import { Injectable } from '@angular/core'; import { MeterData } from '../models/Meterdata'; @Injectable({ providedIn: 'root', }) export class GlobalService { constructor() {} sortMeterData(meterData: MeterData[]): MeterData[] { if (meterData.length > 0) { meterData.sort( (a, b) => new Date(b.date).getTime() - new Date(a.date).getTime() ); return meterData; } else { return []; } } }