- Fixed bug where dragging a node that is not a control node during edit edge mode would throw an error.

HISTORY.md

@@ -7,6 +7,7 @@ http://visjs.org
 
 - Fixed bug where an edge that was not connected would crash the layout algorithms.
 - Fixed bug where a box shape could not be drawn outside of the viewable area.
+- Fixed bug where dragging a node that is not a control node during edit edge mode would throw an error.
 
 ## 2015-09-14, version 4.8.2
 

dist/vis.js

@@ -40709,6 +40709,11 @@ return /******/ (function(modules) { // webpackBootstrap
         var pointerObj = this.selectionHandler._pointerToPositionObject(pointer);
         var edge = this.body.edges[this.edgeBeingEditedId];
 
+        // if the node that was dragged is not a control node, return
+        if (this.selectedControlNode === undefined) {
+          return;
+        }
+
         var overlappingNodeIds = this.selectionHandler._getAllNodesOverlappingWith(pointerObj);
         var node = undefined;
         for (var i = overlappingNodeIds.length - 1; i >= 0; i--) {

lib/network/modules/ManipulationSystem.js

@@ -893,6 +893,11 @@ class ManipulationSystem {
     let pointerObj = this.selectionHandler._pointerToPositionObject(pointer);
     let edge = this.body.edges[this.edgeBeingEditedId];
 
+    // if the node that was dragged is not a control node, return
+    if (this.selectedControlNode === undefined) {
+      return;
+    }
+
     let overlappingNodeIds = this.selectionHandler._getAllNodesOverlappingWith(pointerObj);
     let node = undefined;
     for (let i = overlappingNodeIds.length-1; i >= 0; i--) {