first commit

media/com_associations/js/admin-associations-default.js

@@ -0,0 +1,17 @@
+/**
+ * @copyright   (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+Joomla.submitbutton = pressbutton => {
+  if (pressbutton === 'associations.purge') {
+    // eslint-disable-next-line no-restricted-globals
+    if (confirm(Joomla.Text._('COM_ASSOCIATIONS_PURGE_CONFIRM_PROMPT'))) {
+      Joomla.submitform(pressbutton);
+    } else {
+      return false;
+    }
+  } else {
+    Joomla.submitform(pressbutton);
+  }
+  return true;
+};