From f93a7d1318a6e40b03c1bea95f9749cd393fa18c Mon Sep 17 00:00:00 2001
From: John Lutz <jlutz@prometsource.com>
Date: Tue, 29 Sep 2020 12:25:35 -0500
Subject: [PATCH] Accessibility improvement for photo gallery thumbnails

---
 src/js/lightslider.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/js/lightslider.js b/src/js/lightslider.js
index 6d9c79f..f93164a 100644
--- a/src/js/lightslider.js
+++ b/src/js/lightslider.js
@@ -355,7 +355,9 @@
                         }
                         var thumb = $children.eq(i * settings.slideMove).attr('data-thumb');
                         if (settings.gallery === true) {
-                            pagers += '<li style="width:100%;' + property + ':' + thumbWidth + 'px;' + gutter + ':' + settings.thumbMargin + 'px"><a href="#"><img src="' + thumb + '" /></a></li>';
+                            var thumbAlt = $children.eq(i * settings.slideMove).find('img').attr('alt');
+                            var thumbAltMarkup = (typeof thumbAlt !== 'undefined') ? 'alt="' + thumbAlt + '"' : '';
+                            pagers += '<li style="width:100%;' + property + ':' + thumbWidth + 'px;' + gutter + ':' + settings.thumbMargin + 'px"><a href="#"><img src="' + thumb + '" ' + thumbAltMarkup + '/></a></li>';
                         } else {
                             pagers += '<li><a href="#">' + (i + 1) + '</a></li>';
                         }