From 704c4062df7a606a1649fc4bb5c09e8bf7f0322a Mon Sep 17 00:00:00 2001
From: Jared Stoffan <jstoffan@box.com>
Date: Tue, 10 Nov 2020 11:39:17 -0800
Subject: [PATCH] feat(controls): Add check for page controls in document
 viewers

---
 src/lib/viewers/doc/DocBaseViewer.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/lib/viewers/doc/DocBaseViewer.js b/src/lib/viewers/doc/DocBaseViewer.js
index 5babd6e61..47fa14344 100644
--- a/src/lib/viewers/doc/DocBaseViewer.js
+++ b/src/lib/viewers/doc/DocBaseViewer.js
@@ -1298,7 +1298,10 @@ class DocBaseViewer extends BaseViewer {
      */
     pagechangingHandler(event) {
         const { pageNumber } = event;
-        this.pageControls.updateCurrentPage(pageNumber);
+
+        if (this.pageControls) {
+            this.pageControls.updateCurrentPage(pageNumber);
+        }
 
         if (this.thumbnailsSidebar) {
             this.thumbnailsSidebar.setCurrentPage(pageNumber);