update CHANGELOG with new version

CHANGELOG.md

@@ -5,6 +5,9 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Not released:
 
+## 4.0.7  - 2019-09-03
+
+* Fixed evt object on `dragstart`
 * Fixed double tap trigger after dragging
 
 ## 4.0.6  - 2019-08-31

konva.js

@@ -8,7 +8,7 @@
    * Konva JavaScript Framework v4.0.6
    * http://konvajs.org/
    * Licensed under the MIT
-   * Date: Mon Sep 02 2019
+   * Date: Tue Sep 03 2019
    *
    * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
    * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
@@ -2390,7 +2390,7 @@
                   if (distance < dragDistance) {
                       return;
                   }
-                  node.startDrag(evt);
+                  node.startDrag({ evt: evt });
                   // a user can stop dragging inside `dragstart`
                   if (!node.isDragging()) {
                       return;

src/DragAndDrop.ts

@@ -68,7 +68,7 @@ export const DD = {
         if (distance < dragDistance) {
           return;
         }
-        node.startDrag(evt);
+        node.startDrag({ evt });
         // a user can stop dragging inside `dragstart`
         if (!node.isDragging()) {
           return;

src/Stage.ts

@@ -757,7 +757,7 @@ export class Stage extends Container<BaseLayer> {
       fireDblClick = true;
       clearTimeout(this.dblTimeout);
       // Konva.inDblClickWindow = false;
-    } else if (!DD.justDragged)  {
+    } else if (!DD.justDragged) {
       Konva.inDblClickWindow = true;
       clearTimeout(this.dblTimeout);
     }

test/unit/DragAndDrop-test.js

@@ -989,6 +989,40 @@ suite('DragAndDrop', function() {
     assert.equal(circle.y(), 71);
   });
 
+  test('make sure we have event object', function() {
+    var stage = addStage();
+    var layer = new Konva.Layer();
+
+    var circle = new Konva.Circle({
+      x: 70,
+      y: 70,
+      radius: 70,
+      fill: 'green',
+      stroke: 'black',
+      strokeWidth: 4,
+      name: 'myCircle',
+      draggable: true
+    });
+
+    circle.on('dragstart', function(e) {
+      assert.equal(e.evt === undefined, false);
+    });
+    circle.on('dragmove', function(e) {
+      assert.equal(e.evt === undefined, false);
+    });
+    circle.on('dragend', function(e) {
+      assert.equal(e.evt === undefined, false);
+    });
+    layer.add(circle);
+    stage.add(layer);
+
+    // register pointer
+    stage.simulateMouseDown({ x: 70, y: 80 });
+    // moving by one pixel should move circle too
+    stage.simulateMouseMove({ x: 80, y: 80 });
+    stage.simulateMouseUp({ x: 70, y: 80 });
+  });
+
   test('try nested dragging', function() {
     var stage = addStage();
     var layer = new Konva.Layer({