Fix react-in-jsx-scope in Node.js env

Author: yannickcr

lib/rules/react-in-jsx-scope.js

@@ -30,6 +30,9 @@ module.exports = function(context) {
       scope = scope.upper;
       variables = scope.variables.concat(variables);
     }
+    if (scope.childScopes.length) {
+      variables = scope.childScopes[0].variables.concat(variables);
+    }
 
     return variables;
   }

tests/lib/rules/react-in-jsx-scope.js

@@ -23,8 +23,8 @@ eslintTester.addRuleTest('lib/rules/react-in-jsx-scope', {
         {code: 'var React; <img />;', args: [1, {vars: 'all'}], ecmaFeatures: {jsx: true}},
         {code: 'var React; <x-gif />;', args: [1, {vars: 'all'}], ecmaFeatures: {jsx: true}},
         {code: 'var React, App, a=1; <App attr={a} />;', ecmaFeatures: {jsx: true}},
-        {code: 'var React, App, a=1; function elem() { return <App attr={a} />; }',
-         ecmaFeatures: {jsx: true}}
+        {code: 'var React, App, a=1; function elem() { return <App attr={a} />; }', ecmaFeatures: {jsx: true}},
+        {code: 'var React, App; <App />;', args: [1, {vars: 'all'}], ecmaFeatures: {globalReturn: true, jsx: true}}
     ],
     invalid: [
         {code: 'var App, a = <App />;',