From c22f8252b94b6c310c4cae30452e1975f3097d42 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sat, 10 Aug 2019 13:33:31 -0400
Subject: [PATCH] Handle case where docRangeFromPoint returns null

---
 ext/mixed/js/display.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index 3bb78fe1..8433c4b5 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -81,6 +81,9 @@ class Display {
 
             const clickedElement = $(e.target);
             const textSource = docRangeFromPoint({x: e.clientX, y: e.clientY});
+            if (textSource === null) {
+                return false;
+            }
             textSource.setEndOffset(this.options.scanning.length);
 
             const {definitions, length} = await apiTermsFind(textSource.text());