From 95f8b3a6180f5e67dec3e36db75ffcb9b1f1e9dc Mon Sep 17 00:00:00 2001
From: Aman Agrawal <amanagr@zulip.com>
Date: Tue, 23 May 2023 20:44:37 +0000
Subject: [PATCH] hashchange: Disable scroll position restoration.

This avoids a bug where during a browser initiated hashchange
(via back/forward/manually typed URL) browser sets the scroll
position of the current hash based on its memory of the scroll
position of the new hash.
---
 web/src/hashchange.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/web/src/hashchange.js b/web/src/hashchange.js
index 2a81dbaefd..88c1a344c4 100644
--- a/web/src/hashchange.js
+++ b/web/src/hashchange.js
@@ -420,6 +420,10 @@ function hashchanged(from_reload, e) {
 }
 
 export function initialize() {
+    // We don't want browser to restore the scroll
+    // position of the new hash in the current hash.
+    window.history.scrollRestoration = "manual";
+
     $(window).on("hashchange", (e) => {
         hashchanged(false, e.originalEvent);
     });