Initial commit

skills/browser-tools/scripts/browser-eval.js

@@ -0,0 +1,51 @@
+#!/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 puppeteer.connect({
+  browserURL: "http://localhost:9222",
+  defaultViewport: null,
+})
+
+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
+  // Try as expression first, fall back to statements
+  try {
+    return new AsyncFunction(`return (${c})`)()
+  } catch {
+    return new AsyncFunction(c)()
+  }
+}, code)
+
+if (Array.isArray(result)) {
+  for (let i = 0; i < result.length; i++) {
+    if (i > 0) console.log("")
+    for (const [key, value] of Object.entries(result[i])) {
+      console.log(`${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()