diff core/misc/details-aria.js @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/misc/details-aria.js	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,22 @@
+/**
+* DO NOT EDIT THIS FILE.
+* See the following change record for more information,
+* https://www.drupal.org/node/2815083
+* @preserve
+**/
+
+(function ($, Drupal) {
+  Drupal.behaviors.detailsAria = {
+    attach: function attach() {
+      $('body').once('detailsAria').on('click.detailsAria', 'summary', function (event) {
+        var $summary = $(event.currentTarget);
+        var open = $(event.currentTarget.parentNode).attr('open') === 'open' ? 'false' : 'true';
+
+        $summary.attr({
+          'aria-expanded': open,
+          'aria-pressed': open
+        });
+      });
+    }
+  };
+})(jQuery, Drupal);
\ No newline at end of file