reportWebVitals.ts

import { ReportHandler } from 'web-vitals'

const reportWebVitals = (onPerfEntry?: ReportHandler) => {
    if (onPerfEntry && onPerfEntry instanceof Function) {
        import('web-vitals').then(({getCLS, getFID, getFCP, getLCP, getTTFB}) => {
            getCLS(onPerfEntry)
            getFID(onPerfEntry)
            getFCP(onPerfEntry)
            getLCP(onPerfEntry)
            getTTFB(onPerfEntry)
        })
    }
}

export default reportWebVitals