Next

// pages/_app.tsx
import {
  FpjsProvider,
  FingerprintJSPro
} from '@fingerprintjs/fingerprintjs-pro-react'
import {AppProps} from 'next/app'

export default function MyApp({Component, pageProps}: AppProps) {
  return (
    <FpjsProvider
      loadOptions={{
        apiKey: "<PUBLIC_API_KEY>",
        endpoint: [
          // "https://metrics.yourwebsite.com", 
          FingerprintJSPro.defaultEndpoint
        ],
        scriptUrlPattern: [
          // "https://metrics.yourwebsite.com/web/v<version>/<apiKey>/loader_v<loaderVersion>.js",
          FingerprintJSPro.defaultScriptUrlPattern
        ],
        // region: "eu"
      }}
    >
      <Component {...pageProps} />
    </FpjsProvider>
  )
}

// pages/index.tsx
import {useVisitorData} from '@fingerprintjs/fingerprintjs-pro-react'

export default function Home() {
  const {isLoading, error, data, getData} = useVisitorData(
    {extendedResult: true},
    {immediate: true}
  )

  return (
    <div>
      <button onClick={() => getData({ignoreCache: true})}>
        Reload data
      </button>
      <p>VisitorId: {isLoading ? 'Loading...' : data?.visitorId}</p>
      <p>Full visitor data:</p>
      <pre>{error ? error.message : JSON.stringify(data, null, 2)}</pre>
    </div>
  )
}