From 4790fd3ff75ace158c47823b5619440d8fd1d879 Mon Sep 17 00:00:00 2001
From: Sam Wilkins <abdullah_ahmed@brown.edu>
Date: Mon, 8 Apr 2019 18:55:53 -0400
Subject: beginning keyboard shortcuts

---
 src/client/views/nodes/PDFBox.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/client/views/nodes/PDFBox.tsx')

diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx
index 28a1f9757..12208714d 100644
--- a/src/client/views/nodes/PDFBox.tsx
+++ b/src/client/views/nodes/PDFBox.tsx
@@ -151,7 +151,7 @@ export class PDFBox extends React.Component<FieldViewProps> {
      */
     makeEditableAndHighlight = (colour: string) => {
         var range, sel = window.getSelection();
-        if (sel.rangeCount && sel.getRangeAt) {
+        if (sel && sel.rangeCount && sel.getRangeAt) {
             range = sel.getRangeAt(0);
         }
         document.designMode = "on";
@@ -159,7 +159,7 @@ export class PDFBox extends React.Component<FieldViewProps> {
             document.execCommand("HiliteColor", false, colour);
         }
 
-        if (range) {
+        if (range && sel) {
             sel.removeAllRanges();
             sel.addRange(range);
 
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