strokeWidth = 0 bug fix

konva.js

@@ -8,7 +8,7 @@
    * Konva JavaScript Framework v3.0.0-3
    * http://konvajs.org/
    * Licensed under the MIT
-   * Date: Sun Feb 24 2019
+   * Date: Mon Feb 25 2019
    *
    * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
    * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
@@ -6717,6 +6717,7 @@
        */
       Shape.prototype.hasStroke = function () {
           return (this.strokeEnabled() &&
+              this.strokeWidth() &&
               !!(this.stroke() || this.strokeLinearGradientColorStops())
           // this.getStrokeRadialGradientColorStops()
           );

package.json

@@ -38,6 +38,7 @@
     "gulp-util": "^3.0.8",
     "mocha": "5.2.0",
     "mocha-headless-chrome": "^2.0.2",
+    "parcel-bundler": "^1.11.0",
     "prettier": "^1.16.4",
     "typescript": "^3.3.1"
   },

src/Shape.ts

@@ -289,6 +289,7 @@ export class Shape extends Node {
   hasStroke() {
     return (
       this.strokeEnabled() &&
+      this.strokeWidth() &&
       !!(this.stroke() || this.strokeLinearGradientColorStops())
       // this.getStrokeRadialGradientColorStops()
     );

test/unit/Shape-test.js

@@ -514,6 +514,43 @@ suite('Shape', function() {
     );
   });
 
+  // ======================================================
+  test('test strokeWidth = 0', function() {
+    var stage = addStage();
+
+    var layer = new Konva.Layer();
+
+    var rect = new Konva.Rect({
+      x: 100,
+      y: 50,
+      width: 100,
+      height: 50,
+      fill: 'green',
+      strokeWidth: 0,
+      stroke: 'black'
+    });
+
+    layer.add(rect);
+    stage.add(layer);
+
+    var canvas = createCanvas();
+    var context = canvas.getContext('2d');
+    context.beginPath();
+    context.rect(100, 50, 100, 50);
+    context.closePath();
+
+    context.fillStyle = 'green';
+    context.fill();
+    var trace = layer.getContext().getTrace();
+
+    compareLayerAndCanvas(layer, canvas, 30);
+
+    assert.equal(
+      trace,
+      'clearRect(0,0,578,200);save();transform(1,0,0,1,100,50);beginPath();rect(0,0,100,50);closePath();fillStyle=green;fill();restore();'
+    );
+  });
+
   // ======================================================
   test('stroke with shadow and opacity', function() {
     Konva.pixelRatio = 1;