From 08e519035e193f0c16ed0ec96f8448a40112857a Mon Sep 17 00:00:00 2001
From: Ben Briggs <bbriggs@hubspot.com>
Date: Tue, 29 May 2018 14:44:59 -0400
Subject: [PATCH] allow zero-length result for getEntitySelection

---
 src/plugins/utils.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/plugins/utils.js b/src/plugins/utils.js
index 2868d93..b82b2fb 100644
--- a/src/plugins/utils.js
+++ b/src/plugins/utils.js
@@ -59,10 +59,10 @@ export default {
       );
     });
     invariant(
-      selections.length === 1,
+      selections.length <= 1,
       'getEntitySelection: More than one range with the same entityKey. Please use unique entity instances'
     );
-    return selections[0];
+    return selections.length > 0 ? selections[0] : null;
   },
 
   insertBlockAtCursor(editorState, block) {