feat: MCP Browser v3.0 - 42 tools with stealth mode, multi-tab, PDF, cookies, storage, network logs, device emulation

tools/extractElements.js

@@ -1,36 +1,15 @@
 const browser = require('../browser');
 
 module.exports = async ({ selector, attributes = [] }) => {
-  if (!selector) {
-    throw new Error('Selector é obrigatório');
-  }
-
+  if (!selector) throw new Error('Selector é obrigatório');
   await browser.start();
-  const p = await browser.ensurePage();
-
-  const attrsStr = JSON.stringify(Array.isArray(attributes) ? attributes : []);
-
-  const elements = await p.evaluate((sel) => {
-    const attrs = JSON.parse(sel.__attrs);
-    const els = Array.from(document.querySelectorAll(sel.__sel));
-
-    return els.map(el => {
-      const data = {
-        text: (el.innerText || el.textContent || '').trim()
-      };
-
-      for (let i = 0; i < attrs.length; i++) {
-        data[attrs[i]] = el.getAttribute(attrs[i]);
-      }
-
+  const attrs = Array.isArray(attributes) ? attributes : [];
+  const elements = await browser.evaluateJS(({ sel, attrs: a }) => {
+    return Array.from(document.querySelectorAll(sel)).map(el => {
+      const data = { text: (el.innerText || el.textContent || '').trim() };
+      a.forEach(attr => data[attr] = el.getAttribute(attr));
       return data;
     });
-  }, { __sel: selector, __attrs: attrsStr });
-
-  return {
-    success: true,
-    action: "extract_elements",
-    count: elements.length,
-    elements
-  };
+  }, { sel: selector, attrs });
+  return { success: true, action: 'extract_elements', count: elements.length, elements };
 };