From 0b70ca85d5550ac5fda1473dafa8dc03c1bdacfc Mon Sep 17 00:00:00 2001
From: Irwan Fario Subastian <fariosubastian@gmail.com>
Date: Thu, 2 Nov 2017 12:43:24 +1100
Subject: [PATCH] fix scrolling on slate inside scrollable container that is
 not a window (#1369)

---
 packages/slate-react/src/utils/scroll-to-selection.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/slate-react/src/utils/scroll-to-selection.js b/packages/slate-react/src/utils/scroll-to-selection.js
index f13d4055d..121a12bf5 100644
--- a/packages/slate-react/src/utils/scroll-to-selection.js
+++ b/packages/slate-react/src/utils/scroll-to-selection.js
@@ -23,7 +23,7 @@ const OVERFLOWS = [
 function findScrollContainer(el) {
   const window = getWindow(el)
   let parent = el.parentNode
-  let scroller = window
+  let scroller
 
   while (!scroller) {
     if (!parent.parentNode) break
@@ -38,6 +38,8 @@ function findScrollContainer(el) {
     parent = parent.parentNode
   }
 
+  if (!scroller) return window
+
   return scroller
 }