next/dist/client/performance-relayer.js

The React Framework

"use strict";exports.__esModule=true;exports.default=void 0;var _webVitals=require("next/dist/compiled/web-vitals");const initialHref=location.href;let isRegistered=false;let userReportHandler;function onReport(metric){if(userReportHandler){userReportHandler(metric);}// This code is not shipped, executed, or present in the client-side
// JavaScript bundle unless explicitly enabled in your application.
//
// When this feature is enabled, we'll make it very clear by printing a
// message during the build (`next build`).
if(process.env.NODE_ENV==='production'&&// This field is empty unless you explicitly configure it:
process.env.__NEXT_ANALYTICS_ID){const body={dsn:process.env.__NEXT_ANALYTICS_ID,id:metric.id,page:window.__NEXT_DATA__.page,href:initialHref,event_name:metric.name,value:metric.value.toString(),speed:'connection'in navigator&&navigator['connection']&&'effectiveType'in navigator['connection']?navigator['connection']['effectiveType']:''};const blob=new Blob([new URLSearchParams(body).toString()],{// This content type is necessary for `sendBeacon`:
type:'application/x-www-form-urlencoded'});const vitalsUrl='https://vitals.vercel-insights.com/v1/vitals';navigator.sendBeacon&&navigator.sendBeacon(vitalsUrl,blob)||fetch(vitalsUrl,{body:blob,method:'POST',credentials:'omit',keepalive:true});}}var _default=onPerfEntry=>{// Update function if it changes:
userReportHandler=onPerfEntry;// Only register listeners once:
if(isRegistered){return;}isRegistered=true;(0,_webVitals.getCLS)(onReport);(0,_webVitals.getFID)(onReport);(0,_webVitals.getFCP)(onReport);(0,_webVitals.getLCP)(onReport);(0,_webVitals.getTTFB)(onReport);};exports.default=_default;
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