From 73f2811a7b915f1c474d810761e8e53e132aed1e Mon Sep 17 00:00:00 2001
From: ilkin-overleaf <100852799+ilkin-overleaf@users.noreply.github.com>
Date: Thu, 4 Aug 2022 12:40:06 +0300
Subject: [PATCH] Merge pull request #9095 from overleaf/ii-pdf-set-zoom-fix

[web] Pdf zoom throws an error

GitOrigin-RevId: bcb3cde05ca9c65c1cca554b26ea9c7d0fe8d995
---
 .../js/features/pdf-preview/components/pdf-js-viewer.js   | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/services/web/frontend/js/features/pdf-preview/components/pdf-js-viewer.js b/services/web/frontend/js/features/pdf-preview/components/pdf-js-viewer.js
index 43c6fcf38d..936bcbb07b 100644
--- a/services/web/frontend/js/features/pdf-preview/components/pdf-js-viewer.js
+++ b/services/web/frontend/js/features/pdf-preview/components/pdf-js-viewer.js
@@ -325,11 +325,15 @@ function PdfJsViewer({ url, pdfFile }) {
           break
 
         case 'zoom-in':
-          setScale(pdfJsWrapper.viewer.currentScale * 1.25)
+          if (pdfJsWrapper) {
+            setScale(pdfJsWrapper.viewer.currentScale * 1.25)
+          }
           break
 
         case 'zoom-out':
-          setScale(pdfJsWrapper.viewer.currentScale * 0.75)
+          if (pdfJsWrapper) {
+            setScale(pdfJsWrapper.viewer.currentScale * 0.75)
+          }
           break
       }
     },