2569718930@qq.com
50 lines
1.1 KiB
TypeScript
50 lines
1.1 KiB
TypeScript
"use client";
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import { usePathname } from "next/navigation";
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import { useReportWebVitals } from "next/web-vitals";
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const TRACKED_METRICS = new Set(["INP", "LCP", "FCP"]);
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const WEB_VITALS_ENABLED =
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process.env.NEXT_PUBLIC_POLYWEATHER_WEB_VITALS === "true";
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export function WebVitalsReporter() {
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const pathname = usePathname();
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if (!WEB_VITALS_ENABLED) {
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return null;
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}
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useReportWebVitals((metric) => {
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if (!TRACKED_METRICS.has(metric.name)) {
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return;
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}
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const payload = {
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id: metric.id,
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metric: metric.name,
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navigationType: metric.navigationType,
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pathname: pathname || "/",
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rating: metric.rating,
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value: metric.value,
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};
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const body = JSON.stringify(payload);
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const url = "/api/vitals";
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if (typeof navigator !== "undefined" && typeof navigator.sendBeacon === "function") {
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const blob = new Blob([body], { type: "application/json" });
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navigator.sendBeacon(url, blob);
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return;
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}
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void fetch(url, {
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body,
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headers: { "Content-Type": "application/json" },
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keepalive: true,
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method: "POST",
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});
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});
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return null;
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}
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