feat: add basic URL performance analyzer

Author: OleksandrZadvornyi

analyze.js

@@ -0,0 +1,32 @@
+import puppeteer from "puppeteer";
+import lighthouse from "lighthouse";
+import { URL } from "url";
+
+async function runLighthouse(url) {
+  const browser = await puppeteer.launch({
+    headless: true,
+    args: ["--remote-debugging-port=9222"],
+  });
+
+  const result = await lighthouse(url, {
+    port: 9222,
+    output: "html",
+    logLevel: "info",
+  });
+
+  await browser.close();
+  return result.lhr;
+}
+
+const url = process.argv[2];
+if (!url) {
+  console.error("❌ Please provide a URL");
+  process.exit(1);
+}
+
+const result = await runLighthouse(url);
+console.log(
+  `✅ Performance score for ${url}: ${
+    result.categories.performance.score * 100
+  }`
+);