skills

pi/files/agent/skills/pi-skills/browser-tools/browser-eval.js

@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+
+import puppeteer from "puppeteer-core";
+
+const code = process.argv.slice(2).join(" ");
+if (!code) {
+	console.log("Usage: browser-eval.js 'code'");
+	console.log("\nExamples:");
+	console.log('  browser-eval.js "document.title"');
+	console.log('  browser-eval.js "document.querySelectorAll(\'a\').length"');
+	process.exit(1);
+}
+
+const b = await Promise.race([
+	puppeteer.connect({
+		browserURL: "http://localhost:9222",
+		defaultViewport: null,
+	}),
+	new Promise((_, reject) => setTimeout(() => reject(new Error("timeout")), 5000)),
+]).catch((e) => {
+	console.error("✗ Could not connect to browser:", e.message);
+	console.error("  Run: browser-start.js");
+	process.exit(1);
+});
+
+const p = (await b.pages()).at(-1);
+
+if (!p) {
+	console.error("✗ No active tab found");
+	process.exit(1);
+}
+
+const result = await p.evaluate((c) => {
+	const AsyncFunction = (async () => {}).constructor;
+	return new AsyncFunction(`return (${c})`)();
+}, code);
+
+if (Array.isArray(result)) {
+	for (let i = 0; i < result.length; i++) {
+		if (i > 0) console.log("");
+		for (const [key, value] of Object.entries(result[i])) {
+			console.log(`${key}: ${value}`);
+		}
+	}
+} else if (typeof result === "object" && result !== null) {
+	for (const [key, value] of Object.entries(result)) {
+		console.log(`${key}: ${value}`);
+	}
+} else {
+	console.log(result);
+}
+
+await b.disconnect();