cx & indent fix

Author: wangzuo

lib/node.js

@@ -10,8 +10,7 @@ var Node = React.createClass({
     if(index.children && index.children.length) {
       return (
         <span
-          className={cx({
-            'collapse': true,
+          className={cx('collapse', {
             'caret-right': index.collapsed,
             'caret-down': !index.collapsed
           })}
@@ -46,7 +45,8 @@ var Node = React.createClass({
                 dragging={dragging}
                 paddingLeft={this.props.paddingLeft}
                 onCollapse={this.props.onCollapse}
-                onDragStart={this.props.onDragStart}/>
+                onDragStart={this.props.onDragStart}
+              />
             );
           })}
         </div>
@@ -64,8 +64,7 @@ var Node = React.createClass({
     var styles = {};
 
     return (
-      <div className={cx({
-        'm-node': true,
+      <div className={cx('m-node', {
         'placeholder': index.id === dragging
       })} style={styles}>
         <div className="inner" ref="inner" onMouseDown={this.handleMouseDown}>

lib/react-ui-tree.js

@@ -60,7 +60,8 @@ module.exports = React.createClass({
           <Node
             tree={tree}
             index={draggingIndex}
-            paddingLeft={this.props.paddingLeft}/>
+            paddingLeft={this.props.paddingLeft}
+          />
         </div>
       );
     }
@@ -83,7 +84,8 @@ module.exports = React.createClass({
           paddingLeft={this.props.paddingLeft}
           onDragStart={this.dragStart}
           onCollapse={this.toggleCollapse}
-          dragging={dragging && dragging.id}/>
+          dragging={dragging && dragging.id}
+        />
       </div>
     );
   },