feat: MCP Browser - servidor MCP para automação de navegador com Playwright

tools/smartType.js

@@ -0,0 +1,84 @@
+const browser = require('../browser');
+
+module.exports = async ({ label, text }) => {
+  if (!label || !text) {
+    throw new Error('Label e text são obrigatórios');
+  }
+
+  await browser.start();
+  const p = await browser.ensurePage();
+
+  const success = await p.evaluate(({ labelText, inputText }) => {
+    function setInputValue(input, value) {
+      const nativeSetter = Object.getOwnPropertyDescriptor(
+        window.HTMLInputElement.prototype, 'value'
+      )?.set;
+
+      const nativeTextAreaSetter = Object.getOwnPropertyDescriptor(
+        window.HTMLTextAreaElement.prototype, 'value'
+      )?.set;
+
+      if (input.tagName === 'INPUT' && nativeSetter) {
+        nativeSetter.call(input, value);
+      } else if (input.tagName === 'TEXTAREA' && nativeTextAreaSetter) {
+        nativeTextAreaSetter.call(input, value);
+      } else {
+        input.value = value;
+      }
+
+      input.dispatchEvent(new Event('input', { bubbles: true }));
+      input.dispatchEvent(new Event('change', { bubbles: true }));
+    }
+
+    const labels = Array.from(document.querySelectorAll('label'));
+
+    const foundLabel = labels.find(l =>
+      (l.innerText || l.textContent || '').toLowerCase().includes(labelText.toLowerCase())
+    );
+
+    if (foundLabel) {
+      const forAttr = foundLabel.getAttribute('for');
+
+      if (forAttr) {
+        const input = document.getElementById(forAttr);
+        if (input) {
+          setInputValue(input, inputText);
+          return true;
+        }
+      }
+
+      const input = foundLabel.querySelector('input, textarea');
+      if (input) {
+        setInputValue(input, inputText);
+        return true;
+      }
+    }
+
+    const inputs = Array.from(document.querySelectorAll('input, textarea'));
+
+    const foundInput = inputs.find(i =>
+      (i.placeholder || '').toLowerCase().includes(labelText.toLowerCase()) ||
+      (i.name || '').toLowerCase().includes(labelText.toLowerCase()) ||
+      (i.id || '').toLowerCase().includes(labelText.toLowerCase()) ||
+      (i.getAttribute('aria-label') || '').toLowerCase().includes(labelText.toLowerCase())
+    );
+
+    if (foundInput) {
+      setInputValue(foundInput, inputText);
+      return true;
+    }
+
+    return false;
+  }, { labelText: label, inputText: text });
+
+  if (!success) {
+    throw new Error('Campo não encontrado');
+  }
+
+  return {
+    success: true,
+    action: "smart_type",
+    label,
+    text
+  };
+};