update CHANGELOG with new version

CHANGELOG.md

@@ -5,6 +5,11 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [new version][unreleased]
 
+## [2.0.1][2018-03-15]
+
+## Fixed
+
+* Several bugs fixes for `Konva.Transformer`
 
 ## [2.0.0][2018-03-15]
 

konva.js

@@ -18670,6 +18670,7 @@
         this.detach();
       }
       this._node = node;
+      this._clearCache(NODE_RECT);
 
       node.on(
         TRANSFORM_CHANGE_STR,
@@ -18691,7 +18692,9 @@
     },
 
     detach: function() {
+      if (this.getNode()) {
         this.getNode().off('.resizer');
+      }
     },
 
     _getNodeRect: function() {
@@ -19150,7 +19153,7 @@
     },
     destroy: function() {
       Konva.Group.prototype.destroy.call(this);
-      this.getNode().off('.resizer');
+      this.detach();
       this._removeEvents();
     },
     // do not work as a container

src/shapes/Transformer.js

@@ -156,6 +156,7 @@
         this.detach();
       }
       this._node = node;
+      this._clearCache(NODE_RECT);
 
       node.on(
         TRANSFORM_CHANGE_STR,
@@ -177,7 +178,9 @@
     },
 
     detach: function() {
+      if (this.getNode()) {
         this.getNode().off('.resizer');
+      }
     },
 
     _getNodeRect: function() {
@@ -636,7 +639,7 @@
     },
     destroy: function() {
       Konva.Group.prototype.destroy.call(this);
-      this.getNode().off('.resizer');
+      this.detach();
       this._removeEvents();
     },
     // do not work as a container

test/unit/shapes/Transformer-test.js

@@ -642,4 +642,34 @@ suite('Transformer', function() {
 
     layer.draw();
   });
+
+  test('reset attrs on node set', function() {
+    var stage = addStage();
+    var layer = new Konva.Layer();
+    stage.add(layer);
+
+    var rect = new Konva.Rect({
+      x: 100,
+      y: 60,
+      draggable: true,
+      width: 100,
+      height: 100,
+      fill: 'yellow'
+    });
+    layer.add(rect);
+
+    var tr = new Konva.Transformer();
+    layer.add(tr);
+    layer.draw();
+
+    assert.equal(tr.getWidth(), 0);
+
+    tr.attachTo(rect);
+    assert.equal(tr.getWidth(), 100);
+  });
+
+  test('can destroy without attached node', function() {
+    var tr = new Konva.Transformer();
+    tr.destroy();
+  });
 });