Fixes unstable behaviour on undefined transitionDuration

Author: bkrem

src/Node/index.js

@@ -74,20 +74,15 @@ export default class Node extends React.Component {
   }
 
   render() {
-    const { nodeData, transitionDuration } = this.props;
-
-    // FIXME unstable when transitionDuration undefined
-    const transform = transitionDuration && transitionDuration > 0 ?
-      this.state.transform :
-      this.setTransformOrientation(nodeData.x, nodeData.y);
+    const { nodeData } = this.props;
 
     return (
       <g
         id={nodeData.id}
         ref={(n) => { this.node = n; }}
         style={this.state.initialStyle}
         className={nodeData._children ? 'nodeBase' : 'leafNodeBase'}
-        transform={transform}
+        transform={this.state.transform}
         onClick={this.handleClick}
       >
         <text