From 77feca2343603670192461e17b2b9c89fd4f34fb Mon Sep 17 00:00:00 2001
From: Francisco Hodge <hello@franciscohodge.com>
Date: Mon, 4 Jan 2021 03:23:40 -0500
Subject: [PATCH] Check for selectionStart before access. Fixes #855

---
 src/lib/components/Keyboard.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib/components/Keyboard.js b/src/lib/components/Keyboard.js
index d7886443..b438aaa1 100644
--- a/src/lib/components/Keyboard.js
+++ b/src/lib/components/Keyboard.js
@@ -847,6 +847,8 @@ class SimpleKeyboard {
 
       if (
         (targetTagName === "textarea" || targetTagName === "input") &&
+        "selectionStart" in event.target &&
+        "selectionEnd" in event.target &&
         !instance.options.disableCaretPositioning
       ) {
         /**