From 8d12ccd9009a4b4ed78cc200e69abd4bd470b3fe Mon Sep 17 00:00:00 2001
From: Dmytro Semenov <diiiimaaaa@gmail.com>
Date: Tue, 22 Nov 2022 07:12:56 +0200
Subject: [PATCH] Check if element exists before applying aria attributes

---
 src/js/slide/content.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/js/slide/content.js b/src/js/slide/content.js
index e001fa22..9121f9ac 100644
--- a/src/js/slide/content.js
+++ b/src/js/slide/content.js
@@ -447,7 +447,10 @@ class Content {
       } else if (this.isError()) {
         this.load(false, true); // try to reload
       }
-      this.slide.holderElement.setAttribute('aria-hidden', 'false');
+
+      if (this.slide.holderElement) {
+        this.slide.holderElement.setAttribute('aria-hidden', 'false');
+      }
     }
   }
 
@@ -456,7 +459,9 @@ class Content {
    */
   deactivate() {
     this.instance.dispatch('contentDeactivate', { content: this });
-    this.slide.holderElement.setAttribute('aria-hidden', 'true');
+    if (this.slide && this.slide.holderElement) {
+      this.slide.holderElement.setAttribute('aria-hidden', 'true');
+    }
   }