Misc fixes to address PR comments

src/Stepper/Step.js

@@ -1,4 +1,4 @@
-import React, {Component, PropTypes} from 'react';
+import React, {PropTypes} from 'react';
 
 const getStyles = ({index}, {stepper}) => {
   const {orientation} = stepper;
@@ -19,7 +19,7 @@ const getStyles = ({index}, {stepper}) => {
   return styles;
 };
 
-export default class Step extends Component {
+export default class Step extends React.Component {
 
   static propTypes = {
     /**

src/Stepper/StepButton.spec.js

@@ -18,7 +18,7 @@ describe('<StepButton />', () => {
       <StepButton style={{backgroundColor: 'purple'}}>Step One</StepButton>
     );
 
-    assert.strictEqual(wrapper.props().style.backgroundColor, 'purple', );
+    assert.strictEqual(wrapper.props().style.backgroundColor, 'purple');
   });
 
   it('renders an EnhancedButton with a StepLabel', () => {

src/Stepper/StepConnector.js

@@ -1,6 +1,18 @@
 import React, {PropTypes} from 'react';
 import pure from 'recompose/pure';
 
+const propTypes = {
+  /**
+   * Override the inline-style of the root element.
+   */
+  style: PropTypes.object,
+};
+
+const contextTypes = {
+  muiTheme: PropTypes.object.isRequired,
+  stepper: PropTypes.object,
+};
+
 const StepConnector = (props, context) => {
   const {muiTheme, stepper} = context;
 
@@ -37,17 +49,8 @@ const StepConnector = (props, context) => {
   );
 };
 
-StepConnector.propTypes = {
-  /**
-   * Override the inline-style of the root element.
-   */
-  style: PropTypes.object,
-};
-
-StepConnector.contextTypes = {
-  muiTheme: PropTypes.object.isRequired,
-  stepper: PropTypes.object,
-};
+StepConnector.propTypes = propTypes;
+StepConnector.contextTypes = contextTypes;
 
 export {StepConnector as PlainStepConnector};
 export default pure(StepConnector);

src/Stepper/index.js

@@ -1,5 +1,5 @@
-export Stepper from './Stepper';
 export Step from './Step';
 export StepButton from './StepButton';
-export StepLabel from './StepLabel';
 export StepContent from './StepContent';
+export StepLabel from './StepLabel';
+export Stepper from './Stepper';

src/index.js

@@ -39,6 +39,9 @@ export Slider from './Slider';
 export Subheader from './Subheader';
 export SvgIcon from './SvgIcon';
 export Step from './Stepper/Step';
+export StepButton from './Stepper/StepButton';
+export StepContent from './Stepper/StepContent';
+export StepLabel from './Stepper/StepLabel';
 export Stepper from './Stepper/Stepper';
 export Snackbar from './Snackbar';
 export Tabs from './Tabs';

src/internal/ExpandTransitionChild.js

@@ -69,7 +69,7 @@ class ExpandTransitionChild extends React.Component {
 
     const {prepareStyles} = this.context.muiTheme;
 
-    const mergedRootStyles = Object.assign({}, {
+    const mergedRootStyles = Object.assign({
       position: 'relative',
       height: 0,
       width: '100%',