Require Dart 3.3, update and fix lints (dart-archive/stream_channel#100)

Author: kevmoo

pkgs/stream_channel/.github/workflows/test-package.yml

@@ -47,7 +47,7 @@ jobs:
       matrix:
         # Add macos-latest and/or windows-latest if relevant for this package.
         os: [ubuntu-latest]
-        sdk: [2.19.0, dev]
+        sdk: [3.3, dev]
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3

pkgs/stream_channel/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.1.3-wip
+
+* Require Dart 3.3
+
 ## 2.1.2
 
 * Require Dart 2.19

pkgs/stream_channel/example/example.dart

@@ -22,7 +22,7 @@ Future<void> main() async {
   // For example, we can handle standard input as strings:
   var stringChannel = stdioChannel
       .transform(StreamChannelTransformer.fromCodec(utf8))
-      .transformStream(LineSplitter());
+      .transformStream(const LineSplitter());
   stringChannel.sink.add('world!\n');
 
   // You can implement StreamChannel<T> by extending StreamChannelMixin<T>, but
@@ -84,8 +84,8 @@ Future<void> main() async {
   // given the corresponding `SendPort`, and then call
   // `IsolateChannel.connectSend`.
   var recv = ReceivePort();
-  var recvChannel = IsolateChannel.connectReceive(recv);
-  var sendChannel = IsolateChannel.connectSend(recv.sendPort);
+  var recvChannel = IsolateChannel<void>.connectReceive(recv);
+  var sendChannel = IsolateChannel<void>.connectSend(recv.sendPort);
 
   // You must manually close `IsolateChannel<T>` sinks, however.
   await recvChannel.sink.close();

pkgs/stream_channel/lib/src/disconnector.dart

@@ -38,7 +38,7 @@ class Disconnector<T> implements StreamChannelTransformer<T, T> {
         _sinks.clear();
         return Future.wait(futures, eagerError: true);
       });
-  final _disconnectMemo = AsyncMemoizer();
+  final _disconnectMemo = AsyncMemoizer<List<void>>();
 
   @override
   StreamChannel<T> bind(StreamChannel<T> channel) {

pkgs/stream_channel/lib/src/guarantee_channel.dart

@@ -83,7 +83,7 @@ class _GuaranteeSink<T> implements StreamSink<T> {
 
   @override
   Future<void> get done => _doneCompleter.future;
-  final _doneCompleter = Completer();
+  final _doneCompleter = Completer<void>();
 
   /// Whether connection is disconnected.
   ///

pkgs/stream_channel/lib/src/isolate_channel.dart

@@ -51,7 +51,7 @@ class IsolateChannel<T> extends StreamChannelMixin<T> {
         .transform(StreamSinkTransformer.fromHandlers(handleDone: (sink) {
       if (!isCompleted) {
         receivePort.close();
-        streamCompleter.setSourceStream(Stream.empty());
+        streamCompleter.setSourceStream(const Stream.empty());
         sinkCompleter.setDestinationSink(NullStreamSink<T>());
       }
       sink.close();

pkgs/stream_channel/lib/src/multi_channel.dart

@@ -191,7 +191,8 @@ class _MultiChannel<T> extends StreamChannelMixin<T>
     // If the inner channel has already closed, create new virtual channels in a
     // closed state.
     if (_inner == null) {
-      return VirtualChannel._(this, inputId, Stream.empty(), NullStreamSink());
+      return VirtualChannel._(
+          this, inputId, const Stream.empty(), NullStreamSink());
     }
 
     late StreamChannelController<T> controller;

pkgs/stream_channel/lib/src/stream_channel_completer.dart

@@ -34,7 +34,7 @@ class StreamChannelCompleter<T> {
   /// instead contain just that error. The sink will silently discard all
   /// events.
   static StreamChannel fromFuture(Future<StreamChannel> channelFuture) {
-    var completer = StreamChannelCompleter();
+    var completer = StreamChannelCompleter<void>();
     channelFuture.then(completer.setChannel, onError: completer.setError);
     return completer.channel;
   }

pkgs/stream_channel/pubspec.yaml

@@ -1,16 +1,16 @@
 name: stream_channel
-version: 2.1.2
+version: 2.1.3-wip
 description: >-
   An abstraction for two-way communication channels based on the Dart Stream
   class.
 repository: https://github.com/dart-lang/stream_channel
 
 environment:
-  sdk: '>=2.19.0 <3.0.0'
+  sdk: ^3.3.0
 
 dependencies:
   async: ^2.5.0
 
 dev_dependencies:
-  dart_flutter_team_lints: ^1.0.0
+  dart_flutter_team_lints: ^2.0.0
   test: ^1.16.0

pkgs/stream_channel/test/disconnector_test.dart

@@ -14,8 +14,8 @@ void main() {
   late Disconnector disconnector;
   late StreamChannel channel;
   setUp(() {
-    streamController = StreamController();
-    sinkController = StreamController();
+    streamController = StreamController<void>();
+    sinkController = StreamController<void>();
     disconnector = Disconnector();
     channel = StreamChannel.withGuarantees(
             streamController.stream, sinkController.sink)
@@ -52,7 +52,7 @@ void main() {
     });
 
     test("events can't be added while a stream is being added", () {
-      var controller = StreamController();
+      var controller = StreamController<void>();
       channel.sink.addStream(controller.stream);
 
       expect(() => channel.sink.add(1), throwsStateError);
@@ -67,7 +67,7 @@ void main() {
 
   test('cancels addStream when disconnected', () async {
     var canceled = false;
-    var controller = StreamController(onCancel: () {
+    var controller = StreamController<void>(onCancel: () {
       canceled = true;
     });
     expect(channel.sink.addStream(controller.stream), completes);
@@ -78,9 +78,9 @@ void main() {
   });
 
   test('disconnect() returns the close future from the inner sink', () async {
-    var streamController = StreamController();
-    var sinkController = StreamController();
-    var disconnector = Disconnector();
+    var streamController = StreamController<void>();
+    var sinkController = StreamController<void>();
+    var disconnector = Disconnector<void>();
     var sink = _CloseCompleterSink(sinkController.sink);
     StreamChannel.withGuarantees(streamController.stream, sink)
         .transform(disconnector);
@@ -140,7 +140,7 @@ void main() {
 /// returned by [close] using [completer].
 class _CloseCompleterSink extends DelegatingStreamSink {
   /// The completer for the future returned by [close].
-  final completer = Completer();
+  final completer = Completer<void>();
 
   _CloseCompleterSink(super.inner);