fix rare error throws

2026-01-09 11:34:38 +08:00 · 2017-08-26 13:12:01 +02:00
parent 13a21e0e0a
commit 052f296149
4 changed files with 16 additions and 5 deletions
--- a/src/DragAndDrop.js
+++ b/src/DragAndDrop.js
@@ -18,10 +18,15 @@
    // methods
    _drag: function(evt) {
      var dd = Konva.DD, node = dd.node;
-
      if (node) {
        if (!dd.isDragging) {
          var pos = node.getStage().getPointerPosition();
+          // it is possible that pos is undefined
+          // reattach it
+          if (!pos) {
+            node.getStage()._setPointerPosition(evt);
+            pos = node.getStage().getPointerPosition();
+          }
          var dragDistance = node.dragDistance();
          var distance = Math.max(
            Math.abs(pos.x - dd.startPointerPos.x),