From 186bdc125bb5d7cdd655a46c64e393ff73e03afa Mon Sep 17 00:00:00 2001
From: Alexander Bigga <alexander.bigga@slub-dresden.de>
Date: Wed, 20 Oct 2021 12:47:23 +0200
Subject: [PATCH] Merge pull request #699 from dvoracek-slub/fix-highlight-word

Quick Fix: Wait for `tx_dlf_viewer` when highlighting word
---
 Resources/Public/Javascript/PageView/SearchInDocument.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Resources/Public/Javascript/PageView/SearchInDocument.js b/Resources/Public/Javascript/PageView/SearchInDocument.js
index 4477acef..3713f823 100644
--- a/Resources/Public/Javascript/PageView/SearchInDocument.js
+++ b/Resources/Public/Javascript/PageView/SearchInDocument.js
@@ -259,7 +259,7 @@ function addImageHighlight(data) {
     data['documents'].forEach(function (element, i) {
         if(element['page'] === page) {
             if (element['highlight'].length > 0) {
-                if(tx_dlf_viewer.map != null) {
+                if (typeof tx_dlf_viewer !== 'undefined' && tx_dlf_viewer.map != null) { // eslint-disable-line camelcase
                     tx_dlf_viewer.displayHighlightWord(encodeURIComponent(getHighlights(element['highlight'])));
                 } else {
                     setTimeout(addImageHighlight, 500, data);