msglist [nfc]: Assert fetched when updating end markers

This already holds for the existing callers. Updating end markers should only happen after the initial fetch. During the initial fetch, we have a separate loading indicator and no end markers. Signed-off-by: Zixuan James Li <[email protected]>
zulip · Dec 10, 2024 · 779f3ac · 779f3ac
1 parent 7045afe
commit 779f3ac
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/model/message_list.dart b/lib/model/message_list.dart
@@ -288,6 +288,7 @@ mixin _MessageSequence {
 
   /// Update [items] to include markers at start and end as appropriate.
   void _updateEndMarkers() {
+    assert(fetched);
     assert(!(haveOldest && fetchingOlder));
     final startMarker = switch ((fetchingOlder, haveOldest)) {
       (true, _) => const MessageListLoadingItem(MessageListDirection.older),