From 914981adaf18153000e8db5307885689cf267f94 Mon Sep 17 00:00:00 2001
From: Marco Jakob <majakob@gmx.ch>
Date: Thu, 7 Oct 2021 21:59:53 +0200
Subject: [PATCH] Squashed commit of the following:

commit fd2d797fe85a09bce3199ff53376ac95beff3544
Author: Rob Becker <rob.becker@workiva.com>
Date:   Wed Oct 6 20:10:37 2021 -0600

    Add null checks to avoid #35
---
 lib/src/draggable_manager.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/draggable_manager.dart b/lib/src/draggable_manager.dart
index f353022..9d48bb3 100644
--- a/lib/src/draggable_manager.dart
+++ b/lib/src/draggable_manager.dart
@@ -104,7 +104,7 @@ abstract class _EventManager {
   void handleEnd(Event event, EventTarget? target, Point? position,
       Point? clientPosition) {
     // Set the current position.
-    if (position != null) {
+    if (position != null && _currentDrag != null) {
       _currentDrag!.position = position;
     }