104 lines
3.8 KiB
JavaScript
104 lines
3.8 KiB
JavaScript
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/* global location */ "use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "default", {
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enumerable: true,
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get: function() {
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return _default;
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}
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});
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// copied to prevent pulling in un-necessary utils
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const WEB_VITALS = [
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"CLS",
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"FCP",
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"FID",
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"INP",
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"LCP",
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"TTFB"
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];
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const initialHref = location.href;
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let isRegistered = false;
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let userReportHandler;
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function onReport(metric) {
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if (userReportHandler) {
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userReportHandler(metric);
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}
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// This code is not shipped, executed, or present in the client-side
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// JavaScript bundle unless explicitly enabled in your application.
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//
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// When this feature is enabled, we'll make it very clear by printing a
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// message during the build (`next build`).
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if (process.env.NODE_ENV === "production" && // This field is empty unless you explicitly configure it:
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process.env.__NEXT_ANALYTICS_ID) {
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var _window___NEXT_DATA__;
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const body = {
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dsn: process.env.__NEXT_ANALYTICS_ID,
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id: metric.id,
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page: (_window___NEXT_DATA__ = window.__NEXT_DATA__) == null ? void 0 : _window___NEXT_DATA__.page,
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href: initialHref,
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event_name: metric.name,
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value: metric.value.toString(),
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speed: "connection" in navigator && navigator["connection"] && "effectiveType" in navigator["connection"] ? navigator["connection"]["effectiveType"] : ""
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};
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const blob = new Blob([
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new URLSearchParams(body).toString()
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], {
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// This content type is necessary for `sendBeacon`:
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type: "application/x-www-form-urlencoded"
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});
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const vitalsUrl = "https://vitals.vercel-insights.com/v1/vitals";
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// Navigator has to be bound to ensure it does not error in some browsers
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// https://xgwang.me/posts/you-may-not-know-beacon/#it-may-throw-error%2C-be-sure-to-catch
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const send = navigator.sendBeacon && navigator.sendBeacon.bind(navigator);
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function fallbackSend() {
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fetch(vitalsUrl, {
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body: blob,
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method: "POST",
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credentials: "omit",
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keepalive: true
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}).catch(console.error);
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}
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try {
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// If send is undefined it'll throw as well. This reduces output code size.
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send(vitalsUrl, blob) || fallbackSend();
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} catch (err) {
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fallbackSend();
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}
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}
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}
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const _default = (onPerfEntry)=>{
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// Update function if it changes:
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userReportHandler = onPerfEntry;
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// Only register listeners once:
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if (isRegistered) {
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return;
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}
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isRegistered = true;
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const attributions = process.env.__NEXT_WEB_VITALS_ATTRIBUTION;
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for (const webVital of WEB_VITALS){
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try {
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let mod;
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if (process.env.__NEXT_HAS_WEB_VITALS_ATTRIBUTION) {
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if (attributions == null ? void 0 : attributions.includes(webVital)) {
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mod = require("next/dist/compiled/web-vitals-attribution");
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}
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}
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if (!mod) {
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mod = require("next/dist/compiled/web-vitals");
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}
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mod["on" + webVital](onReport);
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} catch (err) {
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// Do nothing if the module fails to load
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console.warn("Failed to track " + webVital + " web-vital", err);
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}
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}
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};
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if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
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Object.defineProperty(exports.default, '__esModule', { value: true });
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Object.assign(exports.default, exports);
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module.exports = exports.default;
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}
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//# sourceMappingURL=performance-relayer.js.map
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