import { type MetricType, onCLS, onFCP, onLCP, onTTFB } from "web-vitals"; const reportWebVitals = (onPerfEntry?: (metric: MetricType) => void): void => { if (onPerfEntry && onPerfEntry instanceof Function) { onCLS(onPerfEntry); onFCP(onPerfEntry); onLCP(onPerfEntry); onTTFB(onPerfEntry); } }; export default reportWebVitals;