uses custom jquery to handle accordion

asset/js/expand-site-list-item.js

@@ -1,8 +1,13 @@
-(function($) {
-    $(document).ready(function() {
-        $('._expand_site_item').click(function() {
-            $(this).next('tr').toggle();
-            return false;
-        });
-    });
-})(jQuery)
+
+$(function(){
+  $("#site-list").on( "click", ".accordion-title", function() {
+    var content = $(this).closest('.accordion-item')
+                         .find('.accordion-content')
+    if ($(content).is(':visible')) {
+      $(content).slideUp('fast')
+    } else {
+      $(content).slideDown('fast')
+    }
+    return false;
+  });
+})

view/common/block-layout/list-of-sites.phtml

@@ -21,11 +21,13 @@ $collections = htmlentities(json_encode($collections, JSON_HEX_QUOT), ENT_QUOTES
 //$collections = json_encode($collections);
 ?>
 
-<div data-vue-component="archive-list"
-     data-collections='<?= $collections ?>'
-     data-page_size=3>
+<div id="site-list">
+  <div
+       data-vue-component="archive-list"
+       data-collections='<?= $collections ?>'
+       data-page_size=3>
+  </div>
 </div>
 
 
-
 <script src="/themes/archive/asset/js/archive-list.js"></script>