From 435c8032f2ef43ba221b7d417ccdb50c85580e1e Mon Sep 17 00:00:00 2001
From: Andreas Gohr <gohr@cosmocode.de>
Date: Wed, 15 Feb 2017 16:01:14 +0100
Subject: [PATCH] allow closing tabs by clicking them again

also pass the proper type to attr() - it expects strings!
---
 js/meta-box.js | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/js/meta-box.js b/js/meta-box.js
index f53e794..432146e 100755
--- a/js/meta-box.js
+++ b/js/meta-box.js
@@ -11,28 +11,29 @@ jQuery(function () {
     $metaBox.on('click', '.meta-tabs a', function (e) {
         e.preventDefault();
         const $tab = jQuery(this);
+        const isopen = $tab.attr('aria-expanded') === 'true';
 
         // disable all existing tabs
         $metaBox.find('.meta-tabs li')
             .removeClass('active')
             .find('a')
-            .attr('aria-expanded', false);
+            .attr('aria-expanded', 'false');
         $metaBox.find('.meta-content .tab-pane')
             .removeClass('active')
-            .attr('aria-hidden', false);
+            .attr('aria-hidden', 'false');
+
+        if (isopen) return; // tab was open, we closed it. we're done
 
         // enable current tab
         $tab
-            .attr('aria-expanded', true)
+            .attr('aria-expanded', 'true')
             .closest('li')
             .addClass('active');
         $metaBox.find($tab.attr('href'))
             .addClass('active')
-            .attr('aria-hidden', false);
+            .attr('aria-hidden', 'false');
 
     });
 
 
-
-
 });