From 1fc76acf063d0a96bac6a8c85af0e5c025f39162 Mon Sep 17 00:00:00 2001
From: Franz Liedke <franz@develophp.org>
Date: Sun, 2 Aug 2020 07:56:58 +0200
Subject: [PATCH] Stop injecting post stream state into scrubber

---
 js/src/forum/components/DiscussionPage.js     | 2 +-
 js/src/forum/components/PostStreamScrubber.js | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/js/src/forum/components/DiscussionPage.js b/js/src/forum/components/DiscussionPage.js
index fb3e068e6..04ffa23b4 100644
--- a/js/src/forum/components/DiscussionPage.js
+++ b/js/src/forum/components/DiscussionPage.js
@@ -282,7 +282,7 @@ export default class DiscussionPage extends Page {
     items.add(
       'scrubber',
       PostStreamScrubber.component({
-        stream: this.stream,
+        discussion: this.discussion,
         className: 'App-titleControl',
         onNavigate: this.stream.goToIndex.bind(this.stream),
         count: this.stream.count(),
diff --git a/js/src/forum/components/PostStreamScrubber.js b/js/src/forum/components/PostStreamScrubber.js
index b73f9f5bd..4599ce5c2 100644
--- a/js/src/forum/components/PostStreamScrubber.js
+++ b/js/src/forum/components/PostStreamScrubber.js
@@ -10,7 +10,7 @@ import formatNumber from '../../common/utils/formatNumber';
  *
  * ### Props
  *
- * - `stream`
+ * - `discussion`
  * - `className`
  * - `onNavigate`
  * - `count`
@@ -21,7 +21,6 @@ import formatNumber from '../../common/utils/formatNumber';
  */
 export default class PostStreamScrubber extends Component {
   init() {
-    this.stream = this.props.stream;
     this.handlers = {};
 
     // Define a handler to update the state of the scrollbar to reflect the
@@ -38,7 +37,7 @@ export default class PostStreamScrubber extends Component {
   view() {
     const retain = this.subtree.retain();
     const { count, index, visible } = this.props;
-    const unreadCount = this.stream.discussion.unreadCount();
+    const unreadCount = this.props.discussion.unreadCount();
     const unreadPercent = count ? Math.min(count - this.props.index, unreadCount) / count : 0;
 
     const viewing = app.translator.transChoice('core.forum.post_scrubber.viewing_text', count, {