Merge branch 'master' of github.com:konvajs/konva

src/Context.ts

@@ -141,8 +141,7 @@ export class Context {
    * @param {Konva.Shape} shape
    */
   fillStrokeShape(shape) {
-    var fillEnabled = shape.getFillEnabled();
-    if (fillEnabled) {
+    if (shape.getFillEnabled()) {
       this._fill(shape);
     }
     if (shape.getStrokeEnabled()) {

src/DragAndDrop.ts

@@ -93,7 +93,7 @@ export const DD = {
         }
       }
 
-      delete DD.node;
+      DD.node = null;
 
       if (layer || node instanceof getGlobalKonva().Stage) {
         (layer || node).draw();

src/Node.ts

@@ -182,7 +182,7 @@ export abstract class Node {
   _clearSelfAndDescendantCache(attr?) {
     this._clearCache(attr);
 
-    // skip clearing of node is cached with canvas
+    // skip clearing if node is cached with canvas
     if (this._cache.canvas) {
       return;
     }