Fix object access in jsx-no-undef (fixes #172)

Author: yannickcr

lib/rules/jsx-no-undef.js

@@ -55,10 +55,20 @@ module.exports = function(context) {
 
   return {
     JSXOpeningElement: function(node) {
-      if (isTagName(node.name.name)) {
+      switch (node.name.type) {
+        case 'JSXIdentifier':
+          node = node.name;
+          break;
+        case 'JSXMemberExpression':
+          node = node.name.object;
+          break;
+        default:
+          break;
+      }
+      if (isTagName(node.name)) {
         return;
       }
-      checkIdentifierInJSX(node.name);
+      checkIdentifierInJSX(node);
     }
   };
 

tests/lib/rules/jsx-no-undef.js

@@ -38,5 +38,11 @@ eslintTester.addRuleTest('lib/rules/jsx-no-undef', {
       message: '\'App\' is not defined.'
     }],
     ecmaFeatures: {jsx: true}
+  }, {
+    code: '/*eslint no-undef:1*/ var React; React.render(<Appp.Foo />);',
+    errors: [{
+      message: '\'Appp\' is not defined.'
+    }],
+    ecmaFeatures: {jsx: true}
   }]
 });