Allow for a callExpression as child that's not an element.

The previous code assumed that all children that were of type CallExpression were in fact calls on MemberExpressions. This fix makes sure we also support other calls.

test/__tests__/create-element-to-jsx-test.js

@@ -36,6 +36,8 @@ describe('create-element-to-jsx', () => {
  test('create-element-to-jsx', 'create-element-to-jsx-no-react');
 
  test('create-element-to-jsx', 'create-element-to-jsx-literal-prop');
+
+ test('create-element-to-jsx', 'create-element-to-jsx-call-as-children');
  });
 
 });

test/create-element-to-jsx-call-as-children.js

@@ -0,0 +1,3 @@
+var React = require('react/addons');
+
+React.createElement('div', {}, foo());

test/create-element-to-jsx-call-as-children.output.js

@@ -0,0 +1,3 @@
+var React = require('react/addons');
+
+<div>{foo()}</div>;

transforms/create-element-to-jsx.js

@@ -55,6 +55,7 @@ module.exports = function(file, api, options) {
  if (child.type === 'Literal' && typeof child.value === 'string') {
  return j.jsxText(child.value);
  } else if (child.type === 'CallExpression' &&
+ child.callee.object &&
  child.callee.object.name === 'React' &&
  child.callee.property.name === 'createElement') {
  return convertNodeToJSX(node.get('arguments', index + 2));