refactor(ui): update core dependency

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/CHANGELOG.md

@@ -42,9 +42,12 @@ breakdown:
 * `MessageTheme` is now `MessageThemeData`
 * `UserListViewTheme` is now `UserListViewThemeData`
 
+- Updated core dependency.
+
 🐞 Fixed
 
-- Fixed `MessageInput` textField case where `input` is not enabled if the file picked from the camera is null.
+- Fixed `MessageInput` textField case where `input` is not enabled if the file picked from the
+  camera is null.
 - Fixed date dividers position/alignment in non reversed `MessageListView`.
 
 ## 2.1.2

packages/stream_chat_flutter/lib/src/channel_preview.dart

@@ -94,13 +94,13 @@ class ChannelPreview extends StatelessWidget {
                             textStyle: channelPreviewTheme.titleStyle,
                           ),
                     ),
-                    BetterStreamBuilder<List<Member>?>(
+                    BetterStreamBuilder<List<Member>>(
                       stream: channel.state?.membersStream,
                       initialData: channel.state?.members,
                       comparator: const ListEquality().equals,
                       builder: (context, members) {
-                        if (members?.isEmpty == true ||
+                        if (members.isEmpty ||
-                            members?.any((Member e) =>
+                            members.any((Member e) =>
                                     e.user!.id ==
                                     channel.client.state.currentUser?.id) !=
                                 true) {
@@ -153,13 +153,10 @@ class ChannelPreview extends StatelessWidget {
             ));
   }
 
-  Widget _buildDate(BuildContext context) => BetterStreamBuilder<DateTime?>(
+  Widget _buildDate(BuildContext context) => BetterStreamBuilder<DateTime>(
         stream: channel.lastMessageAtStream,
         initialData: channel.lastMessageAt,
         builder: (context, data) {
-          if (data == null) {
-            return const Offstage();
-          }
           final lastMessageAt = data.toLocal();
 
           String stringDate;
@@ -213,12 +210,12 @@ class ChannelPreview extends StatelessWidget {
 
   Widget _buildLastMessage(BuildContext context) => Align(
         alignment: Alignment.centerLeft,
-        child: BetterStreamBuilder<List<Message>?>(
+        child: BetterStreamBuilder<List<Message>>(
           stream: channel.state!.messagesStream,
           initialData: channel.state!.messages,
           builder: (context, data) {
-            final lastMessage = data
+            final lastMessage =
-                ?.lastWhereOrNull((m) => m.shadowed != true && !m.isDeleted);
+                data.lastWhereOrNull((m) => !m.shadowed && !m.isDeleted);
             if (lastMessage == null) {
               return const SizedBox();
             }

packages/stream_chat_flutter/lib/src/connection_status_builder.dart

@@ -38,7 +38,7 @@ class ConnectionStatusBuilder extends StatelessWidget {
     return BetterStreamBuilder<ConnectionStatus>(
       initialData: client.wsConnectionStatus,
       stream: stream,
-      loadingBuilder: loadingBuilder,
+      noDataBuilder: loadingBuilder,
       errorBuilder: (context, error) {
         if (errorBuilder != null) {
           return errorBuilder!(context, error);

packages/stream_chat_flutter/lib/src/unread_indicator.dart

@@ -17,7 +17,7 @@ class UnreadIndicator extends StatelessWidget {
   Widget build(BuildContext context) {
     final client = StreamChat.of(context).client;
     return IgnorePointer(
-      child: BetterStreamBuilder<int?>(
+      child: BetterStreamBuilder<int>(
         stream: cid != null
             ? client.state.channels[cid]?.state?.unreadCountStream
             : client.state.totalUnreadCountStream,
@@ -25,7 +25,7 @@ class UnreadIndicator extends StatelessWidget {
             ? client.state.channels[cid]?.state?.unreadCount
             : client.state.totalUnreadCount,
         builder: (context, data) {
-          if (data == null || data == 0) {
+          if (data == 0) {
             return const Offstage();
           }
           return Material(