update lints, require Dart 3 (#101)

.github/workflows/test-package.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        sdk: [2.18.0, dev]
+        sdk: [3.0.0, dev]
     steps:
       # These are the latest versions of the github actions; dependabot will
       # send PRs to keep these up-to-date.

CHANGELOG.md

@@ -3,6 +3,7 @@
 * Update video/mp4 mimeType lookup by header bytes.
 * Add m4b mimeType lookup by extension.
 * Add `text/markdown` mimeType lookup by extension.
+* Require Dart 3.0.0.
 
 ## 1.0.4
 

analysis_options.yaml

@@ -1,5 +1,5 @@
 # https://dart.dev/guides/language/analysis-options
-include: package:lints/recommended.yaml
+include: package:dart_flutter_team_lints/analysis_options.yaml
 
 analyzer:
   language:
@@ -9,11 +9,8 @@ analyzer:
 
 linter:
   rules:
-    - always_declare_return_types
     - avoid_bool_literals_in_conditional_expressions
-    - avoid_catching_errors
     - avoid_classes_with_only_static_members
-    - avoid_dynamic_calls
     - avoid_private_typedef_functions
     - avoid_redundant_argument_values
     - avoid_returning_null_for_future
@@ -22,33 +19,21 @@ linter:
     - avoid_void_async
     - cancel_subscriptions
     - comment_references
-    - directives_ordering
     - join_return_with_assignment
-    - lines_longer_than_80_chars
     - literal_only_boolean_expressions
     - missing_whitespace_between_adjacent_strings
     - no_adjacent_strings_in_list
     - no_runtimeType_toString
-    - omit_local_variable_types
-    - only_throw_errors
     - package_api_docs
-    - prefer_asserts_in_initializer_lists
     - prefer_const_constructors
     - prefer_const_declarations
     - prefer_expression_function_bodies
     - prefer_final_locals
     - prefer_relative_imports
-    - prefer_single_quotes
-    - sort_pub_dependencies
     - test_types_in_equals
-    - throw_in_finally
-    - type_annotate_public_apis
-    - unawaited_futures
     - unnecessary_await_in_return
-    - unnecessary_lambdas
-    - unnecessary_parenthesis
+    - unnecessary_breaks
     - unnecessary_raw_strings
-    - unnecessary_statements
     - use_if_null_to_convert_nulls_to_bools
     - use_raw_strings
     - use_string_buffers

lib/src/bound_multipart_stream.dart

@@ -150,13 +150,10 @@ class BoundMultipartStream {
       switch (_controllerState) {
         case _controllerStateActive:
           if (_subscription.isPaused) _subscription.resume();
-          break;
         case _controllerStatePaused:
           if (!_subscription.isPaused) _subscription.pause();
-          break;
         case _controllerStateCanceled:
           _subscription.cancel();
-          break;
         default:
           throw StateError('This code should never be reached.');
       }
@@ -214,7 +211,6 @@ class BoundMultipartStream {
             _index = _index - _boundaryIndex;
             _boundaryIndex = 0;
           }
-          break;
 
         case _boundaryEndingCode:
           if (byte == char_code.cr) {
@@ -224,7 +220,6 @@ class BoundMultipartStream {
           } else {
             _expectWhitespace(byte);
           }
-          break;
 
         case _boundaryEndCode:
           _expectByteValue(byte, char_code.lf);
@@ -234,7 +229,6 @@ class BoundMultipartStream {
             _tryPropagateControllerState();
           }
           _state = _headerStartCode;
-          break;
 
         case _headerStartCode:
           _headers = <String, String>{};
@@ -245,7 +239,6 @@ class BoundMultipartStream {
             _headerField.add(_toLowerCase(byte));
             _state = _headerFieldCode;
           }
-          break;
 
         case _headerFieldCode:
           if (byte == char_code.colon) {
@@ -256,7 +249,6 @@ class BoundMultipartStream {
             }
             _headerField.add(_toLowerCase(byte));
           }
-          break;
 
         case _headerValueStartCode:
           if (byte == char_code.cr) {
@@ -266,20 +258,17 @@ class BoundMultipartStream {
             _headerValue.add(byte);
             _state = _headerValueCode;
           }
-          break;
 
         case _headerValueCode:
           if (byte == char_code.cr) {
             _state = _headerValueFoldingOrEndingCode;
           } else {
             _headerValue.add(byte);
           }
-          break;
 
         case _headerValueFoldingOrEndingCode:
           _expectByteValue(byte, char_code.lf);
           _state = _headerValueFoldOrEndCode;
-          break;
 
         case _headerValueFoldOrEndCode:
           if (byte == char_code.sp || byte == char_code.ht) {
@@ -298,7 +287,6 @@ class BoundMultipartStream {
               _state = _headerFieldCode;
             }
           }
-          break;
 
         case _headerEndingCode:
           _expectByteValue(byte, char_code.lf);
@@ -314,7 +302,6 @@ class BoundMultipartStream {
           _headers = null;
           _state = _contentCode;
           contentStartIndex = _index + 1;
-          break;
 
         case _contentCode:
           if (byte == _boundary[_boundaryIndex]) {
@@ -337,20 +324,17 @@ class BoundMultipartStream {
             contentStartIndex ??= _index;
             _boundaryIndex = 0;
           }
-          break;
 
         case _lastBoundaryDash2Code:
           _expectByteValue(byte, char_code.dash);
           _state = _lastBoundaryEndingCode;
-          break;
 
         case _lastBoundaryEndingCode:
           if (byte == char_code.cr) {
             _state = _lastBoundaryEndCode;
           } else {
             _expectWhitespace(byte);
           }
-          break;
 
         case _lastBoundaryEndCode:
           _expectByteValue(byte, char_code.lf);
@@ -360,7 +344,6 @@ class BoundMultipartStream {
             _tryPropagateControllerState();
           }
           _state = _doneCode;
-          break;
 
         default:
           // Should be unreachable.

lib/src/magic_number.dart

@@ -2,8 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library mime.magic_number;
-
 class MagicNumber {
   final String mimeType;
   final List<int> numbers;

pubspec.yaml

@@ -6,8 +6,8 @@ description: >-
 repository: https://github.com/dart-lang/mime
 
 environment:
-  sdk: '>=2.18.0 <3.0.0'
+  sdk: ^3.0.0
 
 dev_dependencies:
-  lints: ^2.0.0
+  dart_flutter_team_lints: ^1.0.0
   test: ^1.16.0

test/mime_multipart_transformer_test.dart

@@ -51,7 +51,6 @@ void _runParseTest(
               expect(data, equals(expectedParts?[part]!.codeUnits));
             }
           }));
-          break;
 
         case TestMode.delayListen:
           futures.add(
@@ -68,7 +67,6 @@ void _runParseTest(
               ),
             ),
           );
-          break;
 
         case TestMode.pauseResume:
           final completer = Completer<void>();
@@ -86,7 +84,6 @@ void _runParseTest(
             completer.complete();
           });
           addTearDown(subscription.cancel);
-          break;
       }
     }, onError: (Object error) {
       // ignore: only_throw_errors