refix dash

konva.js

@@ -2,7 +2,7 @@
  * Konva JavaScript Framework v2.0.2
  * http://konvajs.github.io/
  * Licensed under the MIT
- * Date: Thu Mar 29 2018
+ * Date: Mon Apr 02 2018
  *
  * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
  * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
@@ -18529,7 +18529,24 @@
         ctx.closePath();
         ctx.restore();
       }
+
+      // here is a tricky part
+      // we need to disable dash for arrow pointers
+      var isDashEnabled = this.dashEnabled();
+      if (isDashEnabled) {
+        // manually disable dash for head
+        // it is better not to use setter here,
+        // because it will trigger attr change event
+        this.attrs.dashEnabled = false;
+        ctx.setLineDash([]);
+      }
+
       ctx.fillStrokeShape(this);
+
+      // restore old value
+      if (isDashEnabled) {
+        this.attrs.dashEnabled = true;
+      }
     }
   };
 

src/shapes/Arrow.js

@@ -67,20 +67,23 @@
         ctx.restore();
       }
 
-      this._fillArrowHead(ctx);
-    },
-
-    // removing dash from arrow-head only, but putting it back to the
-    // intial value after render
-    _fillArrowHead: function(ctx) {
+      // here is a tricky part
+      // we need to disable dash for arrow pointers
       var isDashEnabled = this.dashEnabled();
       if (isDashEnabled) {
-        this.dashEnabled(false);
+        // manually disable dash for head
+        // it is better not to use setter here,
+        // because it will trigger attr change event
+        this.attrs.dashEnabled = false;
+        ctx.setLineDash([]);
       }
 
       ctx.fillStrokeShape(this);
 
-      this.dashEnabled(isDashEnabled);
+      // restore old value
+      if (isDashEnabled) {
+        this.attrs.dashEnabled = true;
+      }
     }
   };
 

test/unit/shapes/Arrow-test.js

@@ -35,4 +35,31 @@ suite('Arrow', function() {
     layer.draw();
     showHit(layer);
   });
+
+  test('do not draw dash for head', function() {
+    var stage = addStage();
+    var layer = new Konva.Layer();
+
+    var arrow = new Konva.Arrow({
+      points: [50, 50, 100, 100],
+      stroke: 'red',
+      fill: 'blue',
+      strokeWidth: 5,
+      pointerWidth: 20,
+      pointerLength: 20,
+      dash: [5, 5]
+    });
+
+    layer.add(arrow);
+    stage.add(layer);
+
+    var trace = layer.getContext().getTrace();
+
+    // console.log(trace);
+
+    assert.equal(
+      trace,
+      'clearRect(0,0,578,200);save();transform(1,0,0,1,0,0);beginPath();moveTo(50,50);lineTo(100,100);setLineDash(5,5);lineDashOffset=0;lineWidth=5;strokeStyle=red;stroke();save();beginPath();translate(100,100);rotate(0.785);moveTo(0,0);lineTo(-20,10);lineTo(-20,-10);closePath();restore();setLineDash();fillStyle=blue;fill();lineWidth=5;strokeStyle=red;stroke();restore();'
+    );
+  });
 });