From 222f746e85e477538cf1fe9e04ec7d4de5988f75 Mon Sep 17 00:00:00 2001
From: Damien Erambert <damien.erambert@me.com>
Date: Mon, 17 Sep 2018 18:27:10 -0700
Subject: [PATCH] Avoid crash in updateSelection() in content when
window.getSelection() returns null (#2163)
---
packages/slate-react/src/components/content.js | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/packages/slate-react/src/components/content.js b/packages/slate-react/src/components/content.js
index 38e6be89c..3f3b99ca5 100644
--- a/packages/slate-react/src/components/content.js
+++ b/packages/slate-react/src/components/content.js
@@ -144,6 +144,11 @@ class Content extends React.Component {
const { isBackward } = selection
const window = getWindow(this.element)
const native = window.getSelection()
+
+ // .getSelection() can return null in some cases
+ // https://bugzilla.mozilla.org/show_bug.cgi?id=827585
+ if (!native) return
+
const { rangeCount, anchorNode } = native
// If both selections are blurred, do nothing.