From 422df24e9f36b7aec818a2292c2bae2d325f4f23 Mon Sep 17 00:00:00 2001
From: Salvatore Giordano <salvatoregiordanoo@gmail.com>
Date: Thu, 17 Dec 2020 11:15:25 +0100
Subject: [PATCH] use comparator

---
 lib/src/channels_bloc.dart | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/lib/src/channels_bloc.dart b/lib/src/channels_bloc.dart
index 1d5d3f92..59dd6335 100644
--- a/lib/src/channels_bloc.dart
+++ b/lib/src/channels_bloc.dart
@@ -14,15 +14,15 @@ class ChannelsBloc extends StatefulWidget {
   /// Set this to true to prevent channels to be brought to the top of the list when a new message arrives
   final bool lockChannelsOrder;
 
-  /// Function used to sort the channels when a message.new event is received
-  final List<Channel> Function(List<Channel>) sortChannels;
+  /// Comparator used to sort the channels when a message.new event is received
+  final Comparator<Channel> channelsComparator;
 
   /// Instantiate a new ChannelsBloc
   const ChannelsBloc({
     Key key,
     this.child,
     this.lockChannelsOrder = false,
-    this.sortChannels,
+    this.channelsComparator,
   }) : super(key: key);
 
   @override
@@ -146,12 +146,10 @@ class ChannelsBlocState extends State<ChannelsBloc>
           }
         }
 
-        if (widget.sortChannels != null) {
-          final sortedChannels = widget.sortChannels(newChannels);
-          _channelsController.add(sortedChannels);
-        } else {
-          _channelsController.add(newChannels);
+        if (widget.channelsComparator != null) {
+          newChannels.sort(widget.channelsComparator);
         }
+        _channelsController.add(newChannels);
       }));
     }