add unnecessary_library_name to recommended

.github/workflows/validate.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        sdk: [3.1, stable, beta]
+        sdk: [3.4, stable, beta]
 
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332

CHANGELOG.md

@@ -1,3 +1,9 @@
+## 5.0.0-wip
+
+- `recommended`:
+  - added `unnecessary_library_name` (https://github.com/dart-lang/lints/issues/181)
+- Updated the SDK lower-bound to 3.4.
+
 ## 4.0.0
 
 - `core`:

lib/recommended.yaml

@@ -54,6 +54,7 @@ linter:
     - unnecessary_constructor_name
     - unnecessary_getters_setters
     - unnecessary_late
+    - unnecessary_library_name
     - unnecessary_new
     - unnecessary_null_aware_assignments
     - unnecessary_null_in_if_null_operators

pubspec.yaml

@@ -1,5 +1,5 @@
 name: lints
-version: 4.0.0
+version: 5.0.0-wip
 description: >
   Official Dart lint rules. Defines the 'core' and 'recommended' set of lints
   suggested by the Dart team.
@@ -10,7 +10,7 @@ topics:
   - lints
 
 environment:
-  sdk: ^3.1.0
+  sdk: ^3.4.0
 
 # NOTE: Code is not allowed in this package - do not add dependencies.
 # dependencies:

rules.md

@@ -24,20 +24,20 @@
 | [`no_duplicate_case_values`](https://dart.dev/lints/no_duplicate_case_values) | Don't use more than one case with same value. | ✅ |
 | [`no_wildcard_variable_uses`](https://dart.dev/lints/no_wildcard_variable_uses) | Don't use wildcard parameters or variables. |  |
 | [`non_constant_identifier_names`](https://dart.dev/lints/non_constant_identifier_names) | Name non-constant identifiers using lowerCamelCase. | ✅ |
-| [`null_check_on_nullable_type_parameter`](https://dart.dev/lints/null_check_on_nullable_type_parameter) | Don't use null check on a potentially nullable type parameter. | ✅ |
+| [`null_check_on_nullable_type_parameter`](https://dart.dev/lints/null_check_on_nullable_type_parameter) | Don't use `null` check on a potentially nullable type parameter. | ✅ |
 | [`prefer_generic_function_type_aliases`](https://dart.dev/lints/prefer_generic_function_type_aliases) | Prefer generic function type aliases. | ✅ |
-| [`prefer_is_empty`](https://dart.dev/lints/prefer_is_empty) | Use `isEmpty` for Iterables and Maps. | ✅ |
-| [`prefer_is_not_empty`](https://dart.dev/lints/prefer_is_not_empty) | Use `isNotEmpty` for Iterables and Maps. | ✅ |
-| [`prefer_iterable_whereType`](https://dart.dev/lints/prefer_iterable_whereType) | Prefer to use whereType on iterable. | ✅ |
+| [`prefer_is_empty`](https://dart.dev/lints/prefer_is_empty) | Use `isEmpty` for `Iterable`s and `Map`s. | ✅ |
+| [`prefer_is_not_empty`](https://dart.dev/lints/prefer_is_not_empty) | Use `isNotEmpty` for `Iterable`s and `Map`s. | ✅ |
+| [`prefer_iterable_whereType`](https://dart.dev/lints/prefer_iterable_whereType) | Prefer to use `whereType` on iterable. | ✅ |
 | [`prefer_typing_uninitialized_variables`](https://dart.dev/lints/prefer_typing_uninitialized_variables) | Prefer typing uninitialized variables and fields. | ✅ |
-| [`provide_deprecation_message`](https://dart.dev/lints/provide_deprecation_message) | Provide a deprecation message, via @Deprecated("message"). |  |
+| [`provide_deprecation_message`](https://dart.dev/lints/provide_deprecation_message) | Provide a deprecation message, via `@Deprecated("message")`. |  |
 | [`secure_pubspec_urls`](https://dart.dev/lints/secure_pubspec_urls) | Use secure urls in `pubspec.yaml`. |  |
 | [`type_literal_in_constant_pattern`](https://dart.dev/lints/type_literal_in_constant_pattern) | Don't use constant patterns with type literals. | ✅ |
 | [`unnecessary_overrides`](https://dart.dev/lints/unnecessary_overrides) | Don't override a method to do a super method invocation with the same parameters. | ✅ |
 | [`unrelated_type_equality_checks`](https://dart.dev/lints/unrelated_type_equality_checks) | Equality operator `==` invocation with references of unrelated types. |  |
 | [`use_string_in_part_of_directives`](https://dart.dev/lints/use_string_in_part_of_directives) | Use string in part of directives. | ✅ |
 | [`valid_regexps`](https://dart.dev/lints/valid_regexps) | Use valid regular expression syntax. |  |
-| [`void_checks`](https://dart.dev/lints/void_checks) | Don't assign to void. |  |
+| [`void_checks`](https://dart.dev/lints/void_checks) | Don't assign to `void`. |  |
 <!-- core -->
 
 ### Recommended lint rules
@@ -47,14 +47,14 @@
 | :--------- | :---------- | ------- |
 | [`annotate_overrides`](https://dart.dev/lints/annotate_overrides) | Annotate overridden members. | ✅ |
 | [`avoid_function_literals_in_foreach_calls`](https://dart.dev/lints/avoid_function_literals_in_foreach_calls) | Avoid using `forEach` with a function literal. | ✅ |
-| [`avoid_init_to_null`](https://dart.dev/lints/avoid_init_to_null) | Don't explicitly initialize variables to null. | ✅ |
-| [`avoid_null_checks_in_equality_operators`](https://dart.dev/lints/avoid_null_checks_in_equality_operators) | Don't check for null in custom == operators. | ✅ |
+| [`avoid_init_to_null`](https://dart.dev/lints/avoid_init_to_null) | Don't explicitly initialize variables to `null`. | ✅ |
+| [`avoid_null_checks_in_equality_operators`](https://dart.dev/lints/avoid_null_checks_in_equality_operators) | Don't check for `null` in custom `==` operators. | ✅ |
 | [`avoid_renaming_method_parameters`](https://dart.dev/lints/avoid_renaming_method_parameters) | Don't rename parameters of overridden methods. | ✅ |
 | [`avoid_return_types_on_setters`](https://dart.dev/lints/avoid_return_types_on_setters) | Avoid return types on setters. | ✅ |
-| [`avoid_returning_null_for_void`](https://dart.dev/lints/avoid_returning_null_for_void) | Avoid returning null for void. | ✅ |
+| [`avoid_returning_null_for_void`](https://dart.dev/lints/avoid_returning_null_for_void) | Avoid returning `null` for `void`. | ✅ |
 | [`avoid_single_cascade_in_expression_statements`](https://dart.dev/lints/avoid_single_cascade_in_expression_statements) | Avoid single cascade in expression statements. | ✅ |
 | [`constant_identifier_names`](https://dart.dev/lints/constant_identifier_names) | Prefer using lowerCamelCase for constant names. | ✅ |
-| [`control_flow_in_finally`](https://dart.dev/lints/control_flow_in_finally) | Avoid control flow in finally blocks. |  |
+| [`control_flow_in_finally`](https://dart.dev/lints/control_flow_in_finally) | Avoid control flow in `finally` blocks. |  |
 | [`empty_constructor_bodies`](https://dart.dev/lints/empty_constructor_bodies) | Use `;` instead of `{}` for empty constructor bodies. | ✅ |
 | [`empty_statements`](https://dart.dev/lints/empty_statements) | Avoid empty statements. | ✅ |
 | [`exhaustive_cases`](https://dart.dev/lints/exhaustive_cases) | Define case clauses for all constants in enum-like classes. | ✅ |
@@ -68,34 +68,35 @@
 | [`package_names`](https://dart.dev/lints/package_names) | Use `lowercase_with_underscores` for package names. |  |
 | [`prefer_adjacent_string_concatenation`](https://dart.dev/lints/prefer_adjacent_string_concatenation) | Use adjacent strings to concatenate string literals. | ✅ |
 | [`prefer_collection_literals`](https://dart.dev/lints/prefer_collection_literals) | Use collection literals when possible. | ✅ |
-| [`prefer_conditional_assignment`](https://dart.dev/lints/prefer_conditional_assignment) | Prefer using `??=` over testing for null. | ✅ |
+| [`prefer_conditional_assignment`](https://dart.dev/lints/prefer_conditional_assignment) | Prefer using `??=` over testing for `null`. | ✅ |
 | [`prefer_contains`](https://dart.dev/lints/prefer_contains) | Use contains for `List` and `String` instances. | ✅ |
-| [`prefer_final_fields`](https://dart.dev/lints/prefer_final_fields) | Private field could be final. | ✅ |
-| [`prefer_for_elements_to_map_fromIterable`](https://dart.dev/lints/prefer_for_elements_to_map_fromIterable) | Prefer 'for' elements when building maps from iterables. | ✅ |
+| [`prefer_final_fields`](https://dart.dev/lints/prefer_final_fields) | Private field could be `final`. | ✅ |
+| [`prefer_for_elements_to_map_fromIterable`](https://dart.dev/lints/prefer_for_elements_to_map_fromIterable) | Prefer `for` elements when building maps from iterables. | ✅ |
 | [`prefer_function_declarations_over_variables`](https://dart.dev/lints/prefer_function_declarations_over_variables) | Use a function declaration to bind a function to a name. | ✅ |
-| [`prefer_if_null_operators`](https://dart.dev/lints/prefer_if_null_operators) | Prefer using if null operators. | ✅ |
+| [`prefer_if_null_operators`](https://dart.dev/lints/prefer_if_null_operators) | Prefer using `??` operators. | ✅ |
 | [`prefer_initializing_formals`](https://dart.dev/lints/prefer_initializing_formals) | Use initializing formals when possible. | ✅ |
 | [`prefer_inlined_adds`](https://dart.dev/lints/prefer_inlined_adds) | Inline list item declarations where possible. | ✅ |
 | [`prefer_interpolation_to_compose_strings`](https://dart.dev/lints/prefer_interpolation_to_compose_strings) | Use interpolation to compose strings and values. | ✅ |
 | [`prefer_is_not_operator`](https://dart.dev/lints/prefer_is_not_operator) | Prefer is! operator. | ✅ |
-| [`prefer_null_aware_operators`](https://dart.dev/lints/prefer_null_aware_operators) | Prefer using null aware operators. | ✅ |
+| [`prefer_null_aware_operators`](https://dart.dev/lints/prefer_null_aware_operators) | Prefer using `null`-aware operators. | ✅ |
 | [`prefer_spread_collections`](https://dart.dev/lints/prefer_spread_collections) | Use spread collections when possible. | ✅ |
 | [`recursive_getters`](https://dart.dev/lints/recursive_getters) | Property getter recursively returns itself. |  |
-| [`slash_for_doc_comments`](https://dart.dev/lints/slash_for_doc_comments) | Prefer using /// for doc comments. | ✅ |
+| [`slash_for_doc_comments`](https://dart.dev/lints/slash_for_doc_comments) | Prefer using `///` for doc comments. | ✅ |
 | [`type_init_formals`](https://dart.dev/lints/type_init_formals) | Don't type annotate initializing formals. | ✅ |
 | [`unnecessary_brace_in_string_interps`](https://dart.dev/lints/unnecessary_brace_in_string_interps) | Avoid using braces in interpolation when not needed. | ✅ |
-| [`unnecessary_const`](https://dart.dev/lints/unnecessary_const) | Avoid const keyword. | ✅ |
+| [`unnecessary_const`](https://dart.dev/lints/unnecessary_const) | Avoid `const` keyword. | ✅ |
 | [`unnecessary_constructor_name`](https://dart.dev/lints/unnecessary_constructor_name) | Unnecessary `.new` constructor name. | ✅ |
 | [`unnecessary_getters_setters`](https://dart.dev/lints/unnecessary_getters_setters) | Avoid wrapping fields in getters and setters just to be "safe". | ✅ |
 | [`unnecessary_late`](https://dart.dev/lints/unnecessary_late) | Don't specify the `late` modifier when it is not needed. | ✅ |
+| [`unnecessary_library_name`](https://dart.dev/lints/unnecessary_library_name) | Don't have a library name in a `library` declaration. | ✅ |
 | [`unnecessary_new`](https://dart.dev/lints/unnecessary_new) | Unnecessary new keyword. | ✅ |
-| [`unnecessary_null_aware_assignments`](https://dart.dev/lints/unnecessary_null_aware_assignments) | Avoid null in null-aware assignment. | ✅ |
-| [`unnecessary_null_in_if_null_operators`](https://dart.dev/lints/unnecessary_null_in_if_null_operators) | Avoid using `null` in `if null` operators. | ✅ |
+| [`unnecessary_null_aware_assignments`](https://dart.dev/lints/unnecessary_null_aware_assignments) | Avoid `null` in `null`-aware assignment. | ✅ |
+| [`unnecessary_null_in_if_null_operators`](https://dart.dev/lints/unnecessary_null_in_if_null_operators) | Avoid using `null` in `??` operators. | ✅ |
 | [`unnecessary_nullable_for_final_variable_declarations`](https://dart.dev/lints/unnecessary_nullable_for_final_variable_declarations) | Use a non-nullable type for a final variable initialized with a non-nullable value. | ✅ |
 | [`unnecessary_string_escapes`](https://dart.dev/lints/unnecessary_string_escapes) | Remove unnecessary backslashes in strings. | ✅ |
 | [`unnecessary_string_interpolations`](https://dart.dev/lints/unnecessary_string_interpolations) | Unnecessary string interpolation. | ✅ |
 | [`unnecessary_this`](https://dart.dev/lints/unnecessary_this) | Don't access members with `this` unless avoiding shadowing. | ✅ |
-| [`unnecessary_to_list_in_spreads`](https://dart.dev/lints/unnecessary_to_list_in_spreads) | Unnecessary toList() in spreads. | ✅ |
+| [`unnecessary_to_list_in_spreads`](https://dart.dev/lints/unnecessary_to_list_in_spreads) | Unnecessary `toList()` in spreads. | ✅ |
 | [`use_function_type_syntax_for_parameters`](https://dart.dev/lints/use_function_type_syntax_for_parameters) | Use generic function type syntax for parameters. | ✅ |
 | [`use_rethrow_when_possible`](https://dart.dev/lints/use_rethrow_when_possible) | Use rethrow to rethrow a caught exception. | ✅ |
 | [`use_super_parameters`](https://dart.dev/lints/use_super_parameters) | Use super-initializer parameters where possible. | ✅ |