Move to new analyzer language settings (#126)

Enable and fix a bunch of lints. Require Dart 2.18 or greater

.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: [2.12.0, dev]
+        sdk: [2.18.0, dev]
     steps:
       - uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
       - uses: dart-lang/setup-dart@6a218f2413a3e78e9087f638a238f6b40893203d

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 1.1.1-dev
 
 * Add a check that throws if a logger name ends with '.'.
+* Require Dart 2.18
 
 ## 1.1.0
 

analysis_options.yaml

@@ -1,63 +1,55 @@
+# https://dart.dev/guides/language/analysis-options
 include: package:lints/recommended.yaml
 
 analyzer:
-  strong-mode:
-    implicit-casts: false
+  language:
+    strict-casts: true
+    strict-raw-types: true
 
 linter:
   rules:
-    - annotate_overrides
+    - always_declare_return_types
+    - avoid_bool_literals_in_conditional_expressions
+    - avoid_catching_errors
+    - avoid_classes_with_only_static_members
     - avoid_dynamic_calls
-    - avoid_function_literals_in_foreach_calls
-    - avoid_init_to_null
-    - avoid_null_checks_in_equality_operators
-    - avoid_relative_lib_imports
+    - avoid_private_typedef_functions
+    - avoid_redundant_argument_values
     - avoid_returning_null
+    - avoid_returning_null_for_future
+    - avoid_returning_this
     - avoid_unused_constructor_parameters
-    - await_only_futures
-    - camel_case_types
+    - avoid_void_async
     - cancel_subscriptions
     - comment_references
-    # See https://github.com/dart-lang/logging/issues/43
-    #- constant_identifier_names
-    - control_flow_in_finally
     - directives_ordering
-    - empty_catches
-    - empty_constructor_bodies
-    - empty_statements
-    - hash_and_equals
-    - implementation_imports
-    - iterable_contains_unrelated_type
-    - library_names
-    - library_prefixes
-    - list_remove_unrelated_type
+    - join_return_with_assignment
+    - lines_longer_than_80_chars
+    - literal_only_boolean_expressions
+    - missing_whitespace_between_adjacent_strings
     - no_adjacent_strings_in_list
-    - non_constant_identifier_names
+    - no_runtimeType_toString
     - omit_local_variable_types
     - only_throw_errors
-    - overridden_fields
     - package_api_docs
-    - package_names
-    - package_prefixed_library_names
-    - prefer_adjacent_string_concatenation
-    - prefer_collection_literals
-    - prefer_conditional_assignment
+    - prefer_asserts_in_initializer_lists
     - prefer_const_constructors
-    - prefer_final_fields
-    - prefer_generic_function_type_aliases
-    - prefer_initializing_formals
-    - prefer_interpolation_to_compose_strings
+    - prefer_const_declarations
+    - prefer_expression_function_bodies
+    - prefer_final_locals
+    - prefer_relative_imports
     - prefer_single_quotes
-    - prefer_typing_uninitialized_variables
-    - slash_for_doc_comments
+    - sort_pub_dependencies
     - test_types_in_equals
     - throw_in_finally
-    - type_init_formals
-    - unnecessary_brace_in_string_interps
-    - unnecessary_const
-    - unnecessary_getters_setters
+    - type_annotate_public_apis
+    - unawaited_futures
+    - unnecessary_await_in_return
     - unnecessary_lambdas
-    - unnecessary_new
-    - unnecessary_null_aware_assignments
+    - unnecessary_parenthesis
+    - unnecessary_raw_strings
     - unnecessary_statements
-    - unnecessary_this
+    - use_if_null_to_convert_nulls_to_bools
+    - use_raw_strings
+    - use_string_buffers
+    - use_super_parameters

lib/src/logger.dart

@@ -83,7 +83,7 @@ class Logger {
     }
 
     // Split hierarchical names (separated with '.').
-    var dot = name.lastIndexOf('.');
+    final dot = name.lastIndexOf('.');
     Logger? parent;
     String thisName;
     if (dot == -1) {
@@ -161,7 +161,7 @@ class Logger {
   }
 
   /// Whether a message for [value]'s level is loggable in this logger.
-  bool isLoggable(Level value) => (value >= level);
+  bool isLoggable(Level value) => value >= level;
 
   /// Adds a log record for a [message] at a particular [logLevel] if
   /// `isLoggable(logLevel)` is true.
@@ -202,7 +202,7 @@ class Logger {
       }
       zone ??= Zone.current;
 
-      var record =
+      final record =
           LogRecord(logLevel, msg, fullName, error, stackTrace, zone, object);
 
       if (parent == null) {

pubspec.yaml

@@ -7,8 +7,8 @@ description: >-
 repository: https://github.com/dart-lang/logging
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.18.0 <3.0.0"
 
 dev_dependencies:
-  lints: '>=1.0.0 <3.0.0'
+  lints: ^2.0.0
   test: ^1.16.0