Freeze scroll position when a dropdown menu is open in the TL (#14271)

* Freeze scroll position when a dropdown menu is open in the TL

* Apply this to direct TL as well

* Fix case when mouse leaves the menu

1 files changed, 3 insertions, 3 deletions

diff --git a/app/javascript/mastodon/reducers/dropdown_menu.js b/app/javascript/mastodon/reducers/dropdown_menu.js
index 36fd4f132..a78a11acc 100644
--- a/app/javascript/mastodon/reducers/dropdown_menu.js
+++ b/app/javascript/mastodon/reducers/dropdown_menu.js
@@ -4,14 +4,14 @@ import {
   DROPDOWN_MENU_CLOSE,
 } from '../actions/dropdown_menu';
 
-const initialState = Immutable.Map({ openId: null, placement: null, keyboard: false });
+const initialState = Immutable.Map({ openId: null, placement: null, keyboard: false, scroll_key: null });
 
 export default function dropdownMenu(state = initialState, action) {
   switch (action.type) {
   case DROPDOWN_MENU_OPEN:
-    return state.merge({ openId: action.id, placement: action.placement, keyboard: action.keyboard });
+    return state.merge({ openId: action.id, placement: action.placement, keyboard: action.keyboard, scroll_key: action.scroll_key });
   case DROPDOWN_MENU_CLOSE:
-    return state.get('openId') === action.id ? state.set('openId', null) : state;
+    return state.get('openId') === action.id ? state.set('openId', null).set('scroll_key', null) : state;
   default:
     return state;
   }