From a57fc694edddc78755ffcc18738a6c326dd9ecb6 Mon Sep 17 00:00:00 2001
From: Jack Tomaszewski <jacek@jtom.me>
Date: Fri, 11 Jan 2019 14:48:35 +0000
Subject: [PATCH] Fix calculating bounds when sticky is in a custom and already
 scrolled scroll container

---
 src/react-sticky-state.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/react-sticky-state.js b/src/react-sticky-state.js
index a6c85c2..7dfa11d 100644
--- a/src/react-sticky-state.js
+++ b/src/react-sticky-state.js
@@ -196,6 +196,9 @@ class ReactStickyState extends Component {
           var parentRect = getAbsolutBoundingRect(this.scrollTarget);
           offsetY = this.scroll.y;
           rect = addBounds(rect, parentRect);
+          rect.top += offsetY;
+          rect.bottom += offsetY;
+          
           restrict = parentRect;
           restrict.top = 0;
           restrict.height = this.scroll.scrollHeight || restrict.height;