From ac02885bfadd6f9e45c87654c6dc9ddac08e05dd Mon Sep 17 00:00:00 2001
From: Wolfgang Ginolas <wolfgang.ginolas@gwif.eu>
Date: Wed, 26 Jun 2024 09:36:42 +0200
Subject: [PATCH] Fix modal popups with no input elements

https://github.com/cryptpad/cryptpad/issues/1532
https://github.com/cryptpad/cryptpad/issues/1533
---
 www/common/common-interface.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/www/common/common-interface.js b/www/common/common-interface.js
index 1705ce446..2c4d57799 100644
--- a/www/common/common-interface.js
+++ b/www/common/common-interface.js
@@ -580,6 +580,12 @@ define([
     let addTabListener = frame => {
         // find focusable elements
         let modalElements = $(frame).find('a, button, input, [tabindex]:not([tabindex="-1"]), textarea').filter(':visible').filter(':not(:disabled)');
+
+        if (modalElements.length === 0) {
+            // there are no focusable elements -> nothing to do for us here
+            return;
+        }
+
         // intialize with focus on first element
         modalElements[0].focus();