When opening a form in a dialog its buttons and links in form-actions are automatically moved into .ui-dialog-buttonpane. Classes of these buttons and links are copied.
If such a link has the use-ajax class, an Javascript error occurs on clicking the automatically created button.
drupal.js?v=10.1.4:64 Uncaught TypeError: Cannot read properties of undefined (reading 'replace')
at new Drupal.Ajax (ajax.js?v=10.1.4:483:25)
at Drupal.ajax (ajax.js?v=10.1.4:267:18)
at ajax.js?v=10.1.4:335:14
at Array.forEach (<anonymous>)
at Drupal.ajax.bindAjaxLinks (ajax.js?v=10.1.4:307:40)
at Object.attach (ajax.js?v=10.1.4:54:19)
at drupal.js?v=10.1.4:166:24
at Array.forEach (<anonymous>)
at Drupal.attachBehaviors (drupal.js?v=10.1.4:162:34)
at HTMLFormElement.<anonymous> (ajax.js?v=10.1.4:1362:20)
Strip the use-ajax class.
Postponed: needs info
11.0 🔥
The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.
I cannot reproduce the issue.