@thetc/cra-template-typescript/template/src/reportWebVitals.ts

The Techno Creatives fork of cra-template-typescript.

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