From a248be4fcedc2908e4fc073ccea3ee3185264417 Mon Sep 17 00:00:00 2001
From: Sorin Davidoi <sorin.davidoi@gmail.com>
Date: Wed, 26 Jul 2017 19:03:56 +0200
Subject: [PATCH] fix(columns_area): Manually set tabs style when swiping
 (#4320)

---
 .../mastodon/features/ui/components/columns_area.js      | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/app/javascript/mastodon/features/ui/components/columns_area.js b/app/javascript/mastodon/features/ui/components/columns_area.js
index 7de66ce3f..63bd1b021 100644
--- a/app/javascript/mastodon/features/ui/components/columns_area.js
+++ b/app/javascript/mastodon/features/ui/components/columns_area.js
@@ -56,6 +56,15 @@ export default class ColumnsArea extends ImmutablePureComponent {
 
   handleSwipe = (index) => {
     this.pendingIndex = index;
+
+    const nextLinkTranslationId = links[index].props['data-preview-title-id'];
+    const currentLinkSelector = '.tabs-bar__link.active';
+    const nextLinkSelector = `.tabs-bar__link[data-preview-title-id="${nextLinkTranslationId}"]`;
+
+    // HACK: Remove the active class from the current link and set it to the next one
+    // React-router does this for us, but too late, feeling laggy.
+    document.querySelector(currentLinkSelector).classList.remove('active');
+    document.querySelector(nextLinkSelector).classList.add('active');
   }
 
   handleAnimationEnd = () => {