From 156e36638be19b35c5a22998397f4a5dd7a996ec Mon Sep 17 00:00:00 2001
From: Rene Krenn <rkrenn@sipwise.com>
Date: Thu, 5 Mar 2026 20:06:20 +0100
Subject: [PATCH] MT#63401 jquery upgrade: restore .attr( behaviour

repeatable section selectors fail to recognize the selected ceckbox,
because .attr() is used, but newer jquery would need .prop().

the compat layer is extended to restore .attr() behaviour.

Change-Id: I2dc23cb4dd120080cd6d9aa9d3902ed7285c977b
(cherry picked from commit 9752c6c2903107063a99450cd0a8d19943248729)
(cherry picked from commit 7e057d7b2a63bbd27746d0bc5bef0c0ef3331f66)
---
 share/static/js/libs/jquery-compat.js | 49 +++++++++++++++++++++++----
 1 file changed, 42 insertions(+), 7 deletions(-)

diff --git a/share/static/js/libs/jquery-compat.js b/share/static/js/libs/jquery-compat.js
index a191d0210b..d22f144746 100644
--- a/share/static/js/libs/jquery-compat.js
+++ b/share/static/js/libs/jquery-compat.js
@@ -20,13 +20,48 @@ if ( matched.browser ) {
     jQuery.browser.version = matched.version;
 }
 
-(function($) {
-    var $old = $;
-    window.$ = window.jQuery = function(selector, context) {
-        if (selector === '#' || selector === '') {
-            console.warn('jquery # override');
-            return $old([]);
+(function ($) {
+
+    const booleanAttrs = {
+        checked: true,
+        selected: true,
+        disabled: true,
+        readonly: true,
+        multiple: true
+    };
+
+    var oldInit = $.fn.init;
+
+    $.fn.init = function (selector, context, root) {
+
+        if (typeof selector === 'string') {
+            if (selector === '#' || selector.trim() === '') {
+                console.warn('jquery # override', new Error().stack);
+                return oldInit.call(this, [], context, root);
+            }
+        }
+
+        return oldInit.call(this, selector, context, root);
+    };
+
+    $.fn.init.prototype = $.fn;
+
+    const oldAttr = $.fn.attr;
+
+    $.fn.attr = function (name, value) {
+
+        if (booleanAttrs[name]) {
+
+            // getter
+            if (value === undefined) {
+                return this.prop(name) ? name : undefined;
+            }
+
+            // setter
+            return this.prop(name, !!value);
         }
-        return $old(selector, context);
+
+        return oldAttr.apply(this, arguments);
     };
+
 })(jQuery);
\ No newline at end of file