From 2e5a01090136c5851e5b3ec2d5c64862c7bced29 Mon Sep 17 00:00:00 2001
From: patrickhlauke <redux@splintered.co.uk>
Date: Mon, 17 Jun 2019 23:45:07 +0100
Subject: [PATCH] Add initial tabindex handling for tabs

set `tabindex` as well as `aria-selected` on tabs
---
 js/src/tab.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/js/src/tab.js b/js/src/tab.js
index b9db64baa..65dc3602b 100644
--- a/js/src/tab.js
+++ b/js/src/tab.js
@@ -183,12 +183,14 @@ class Tab {
 
       if (active.getAttribute('role') === 'tab') {
         active.setAttribute('aria-selected', false)
+        active.setAttribute('tabindex', '-1')
       }
     }
 
     element.classList.add(ClassName.ACTIVE)
     if (element.getAttribute('role') === 'tab') {
       element.setAttribute('aria-selected', true)
+      element.setAttribute('tabindex', '0')
     }
 
     reflow(element)