fix: virtualized collection grid bug

Author: hubdrpl

src/SortableContainer/index.js

@@ -671,8 +671,10 @@ export default function sortableContainer(
                 // If it moves passed the right bounds, then animate it to the first position of the next row.
                 // We just use the offset of the next node to calculate where to move, because that node's original position
                 // is exactly where we want to go
-                translate.x = nextNode.edgeOffset.left - edgeOffset.left;
-                translate.y = nextNode.edgeOffset.top - edgeOffset.top;
+                if (nextNode) {
+                  translate.x = nextNode.edgeOffset.left - edgeOffset.left;
+                  translate.y = nextNode.edgeOffset.top - edgeOffset.top;
+                }
               }
               if (this.newIndex === null) {
                 this.newIndex = index;
@@ -696,8 +698,10 @@ export default function sortableContainer(
                 // If it moves passed the left bounds, then animate it to the last position of the previous row.
                 // We just use the offset of the previous node to calculate where to move, because that node's original position
                 // is exactly where we want to go
-                translate.x = prevNode.edgeOffset.left - edgeOffset.left;
-                translate.y = prevNode.edgeOffset.top - edgeOffset.top;
+                if (prevNode) {
+                  translate.x = prevNode.edgeOffset.left - edgeOffset.left;
+                  translate.y = prevNode.edgeOffset.top - edgeOffset.top;
+                }
               }
               this.newIndex = index;
             }