[ { "name": "always_declare_return_types", "description": "Declare method return types.", "fixStatus": "hasFix" }, { "name": "always_put_control_body_on_new_line", "description": "Separate the control structure expression from its statement.", "fixStatus": "hasFix" }, { "name": "always_put_required_named_parameters_first", "description": "Put required named parameters first.", "fixStatus": "hasFix" }, { "name": "always_require_non_null_named_parameters", "description": "Specify `@required` on named parameters without defaults.", "fixStatus": "noFix" }, { "name": "always_specify_types", "description": "Specify type annotations.", "fixStatus": "hasFix" }, { "name": "always_use_package_imports", "description": "Avoid relative imports for files in `lib/`.", "fixStatus": "hasFix" }, { "name": "annotate_overrides", "description": "Annotate overridden members.", "fixStatus": "hasFix" }, { "name": "annotate_redeclares", "description": "Annotate redeclared members.", "fixStatus": "hasFix" }, { "name": "avoid_annotating_with_dynamic", "description": "Avoid annotating with `dynamic` when not required.", "fixStatus": "hasFix" }, { "name": "avoid_as", "description": "Avoid using `as`.", "fixStatus": "noFix" }, { "name": "avoid_bool_literals_in_conditional_expressions", "description": "Avoid `bool` literals in conditional expressions.", "fixStatus": "needsFix" }, { "name": "avoid_catches_without_on_clauses", "description": "Avoid catches without on clauses.", "fixStatus": "noFix" }, { "name": "avoid_catching_errors", "description": "Don't explicitly catch `Error` or types that implement it.", "fixStatus": "noFix" }, { "name": "avoid_classes_with_only_static_members", "description": "Avoid defining a class that contains only static members.", "fixStatus": "noFix" }, { "name": "avoid_double_and_int_checks", "description": "Avoid `double` and `int` checks.", "fixStatus": "needsFix" }, { "name": "avoid_dynamic_calls", "description": "Avoid method calls or property accesses on a `dynamic` target.", "fixStatus": "noFix" }, { "name": "avoid_empty_else", "description": "Avoid empty statements in else clauses.", "fixStatus": "hasFix" }, { "name": "avoid_equals_and_hash_code_on_mutable_classes", "description": "Avoid overloading operator == and hashCode on classes not marked `@immutable`.", "fixStatus": "noFix" }, { "name": "avoid_escaping_inner_quotes", "description": "Avoid escaping inner quotes by converting surrounding quotes.", "fixStatus": "hasFix" }, { "name": "avoid_field_initializers_in_const_classes", "description": "Avoid field initializers in const classes.", "fixStatus": "noFix" }, { "name": "avoid_final_parameters", "description": "Avoid `final` for parameter declarations.", "fixStatus": "needsFix" }, { "name": "avoid_function_literals_in_foreach_calls", "description": "Avoid using `forEach` with a function literal.", "fixStatus": "hasFix" }, { "name": "avoid_futureor_void", "description": "Avoid using 'FutureOr' as the type of a result.", "fixStatus": "noFix" }, { "name": "avoid_implementing_value_types", "description": "Don't implement classes that override `==`.", "fixStatus": "noFix" }, { "name": "avoid_init_to_null", "description": "Don't explicitly initialize variables to `null`.", "fixStatus": "hasFix" }, { "name": "avoid_js_rounded_ints", "description": "Avoid JavaScript rounded ints.", "fixStatus": "noFix" }, { "name": "avoid_multiple_declarations_per_line", "description": "Don't declare multiple variables on a single line.", "fixStatus": "hasFix" }, { "name": "avoid_null_checks_in_equality_operators", "description": "Don't check for `null` in custom `==` operators.", "fixStatus": "hasFix" }, { "name": "avoid_positional_boolean_parameters", "description": "Avoid positional boolean parameters.", "fixStatus": "noFix" }, { "name": "avoid_print", "description": "Avoid `print` calls in production code.", "fixStatus": "hasFix" }, { "name": "avoid_private_typedef_functions", "description": "Avoid private typedef functions.", "fixStatus": "hasFix" }, { "name": "avoid_redundant_argument_values", "description": "Avoid redundant argument values.", "fixStatus": "hasFix" }, { "name": "avoid_relative_lib_imports", "description": "Avoid relative imports for files in `lib/`.", "fixStatus": "hasFix" }, { "name": "avoid_renaming_method_parameters", "description": "Don't rename parameters of overridden methods.", "fixStatus": "hasFix" }, { "name": "avoid_return_types_on_setters", "description": "Avoid return types on setters.", "fixStatus": "hasFix" }, { "name": "avoid_returning_null", "description": "Avoid returning null from members whose return type is bool, double, int, or num.", "fixStatus": "noFix" }, { "name": "avoid_returning_null_for_future", "description": "Avoid returning null for Future.", "fixStatus": "noFix" }, { "name": "avoid_returning_null_for_void", "description": "Avoid returning `null` for `void`.", "fixStatus": "hasFix" }, { "name": "avoid_returning_this", "description": "Avoid returning this from methods just to enable a fluent interface.", "fixStatus": "noFix" }, { "name": "avoid_setters_without_getters", "description": "Avoid setters without getters.", "fixStatus": "needsFix" }, { "name": "avoid_shadowing_type_parameters", "description": "Avoid shadowing type parameters.", "fixStatus": "noFix" }, { "name": "avoid_single_cascade_in_expression_statements", "description": "Avoid single cascade in expression statements.", "fixStatus": "hasFix" }, { "name": "avoid_slow_async_io", "description": "Avoid slow asynchronous `dart:io` methods.", "fixStatus": "needsFix" }, { "name": "avoid_type_to_string", "description": "Avoid .toString() in production code since results may be minified.", "fixStatus": "noFix" }, { "name": "avoid_types_as_parameter_names", "description": "Avoid types as parameter names.", "fixStatus": "hasFix" }, { "name": "avoid_types_on_closure_parameters", "description": "Avoid annotating types for function expression parameters.", "fixStatus": "hasFix" }, { "name": "avoid_unnecessary_containers", "description": "Avoid unnecessary containers.", "fixStatus": "hasFix" }, { "name": "avoid_unstable_final_fields", "description": "Avoid overriding a final field to return different values if called multiple times.", "fixStatus": "noFix" }, { "name": "avoid_unused_constructor_parameters", "description": "Avoid defining unused parameters in constructors.", "fixStatus": "hasFix" }, { "name": "avoid_void_async", "description": "Avoid `async` functions that return `void`.", "fixStatus": "hasFix" }, { "name": "avoid_web_libraries_in_flutter", "description": "Avoid using web-only libraries outside Flutter web plugin packages.", "fixStatus": "noFix" }, { "name": "await_only_futures", "description": "Await only futures.", "fixStatus": "hasFix" }, { "name": "camel_case_extensions", "description": "Name extensions using UpperCamelCase.", "fixStatus": "noFix" }, { "name": "camel_case_types", "description": "Name types using UpperCamelCase.", "fixStatus": "noFix" }, { "name": "cancel_subscriptions", "description": "Cancel instances of `dart:async` `StreamSubscription`.", "fixStatus": "noFix" }, { "name": "cascade_invocations", "description": "Cascade consecutive method invocations on the same reference.", "fixStatus": "hasFix" }, { "name": "cast_nullable_to_non_nullable", "description": "Don't cast a nullable value to a non nullable type.", "fixStatus": "hasFix" }, { "name": "close_sinks", "description": "Close instances of `dart:core` `Sink`.", "fixStatus": "noFix" }, { "name": "collection_methods_unrelated_type", "description": "Invocation of various collection methods with arguments of unrelated types.", "fixStatus": "noFix" }, { "name": "combinators_ordering", "description": "Sort combinator names alphabetically.", "fixStatus": "hasFix" }, { "name": "comment_references", "description": "Only reference in-scope identifiers in doc comments.", "fixStatus": "hasFix" }, { "name": "conditional_uri_does_not_exist", "description": "Missing conditional import.", "fixStatus": "noFix" }, { "name": "constant_identifier_names", "description": "Prefer using lowerCamelCase for constant names.", "fixStatus": "hasFix" }, { "name": "control_flow_in_finally", "description": "Avoid control flow in `finally` blocks.", "fixStatus": "noFix" }, { "name": "curly_braces_in_flow_control_structures", "description": "DO use curly braces for all flow control structures.", "fixStatus": "hasFix" }, { "name": "dangling_library_doc_comments", "description": "Attach library doc comments to library directives.", "fixStatus": "hasFix" }, { "name": "depend_on_referenced_packages", "description": "Depend on referenced packages.", "fixStatus": "needsFix" }, { "name": "deprecated_consistency", "description": "Missing deprecated annotation.", "fixStatus": "needsFix" }, { "name": "deprecated_member_use_from_same_package", "description": "Avoid using deprecated elements from within the package in which they are declared.", "fixStatus": "hasFix" }, { "name": "diagnostic_describe_all_properties", "description": "DO reference all public properties in debug methods.", "fixStatus": "hasFix" }, { "name": "directives_ordering", "description": "Adhere to Effective Dart Guide directives sorting conventions.", "fixStatus": "hasFix" }, { "name": "discarded_futures", "description": "Don't invoke asynchronous functions in non-`async` blocks.", "fixStatus": "hasFix" }, { "name": "do_not_use_environment", "description": "Do not use environment declared variables.", "fixStatus": "noFix" }, { "name": "document_ignores", "description": "Document ignore comments.", "fixStatus": "needsFix" }, { "name": "empty_catches", "description": "Avoid empty catch blocks.", "fixStatus": "hasFix" }, { "name": "empty_constructor_bodies", "description": "Use `;` instead of `{}` for empty constructor bodies.", "fixStatus": "hasFix" }, { "name": "empty_statements", "description": "Avoid empty statements.", "fixStatus": "hasFix" }, { "name": "enable_null_safety", "description": "Do use sound null safety.", "fixStatus": "noFix" }, { "name": "eol_at_end_of_file", "description": "Put a single newline at end of file.", "fixStatus": "hasFix" }, { "name": "exhaustive_cases", "description": "Define case clauses for all constants in enum-like classes.", "fixStatus": "hasFix" }, { "name": "file_names", "description": "Name source files using `lowercase_with_underscores`.", "fixStatus": "noFix" }, { "name": "flutter_style_todos", "description": "Use Flutter TODO format: // TODO(username): message, https://URL-to-issue.", "fixStatus": "hasFix" }, { "name": "hash_and_equals", "description": "Always override `hashCode` if overriding `==`.", "fixStatus": "hasFix" }, { "name": "implementation_imports", "description": "Don't import implementation files from another package.", "fixStatus": "noFix" }, { "name": "implicit_call_tearoffs", "description": "Explicitly tear-off `call` methods when using an object as a Function.", "fixStatus": "hasFix" }, { "name": "implicit_reopen", "description": "Don't implicitly reopen classes.", "fixStatus": "hasFix" }, { "name": "invalid_case_patterns", "description": "Use case expressions that are valid in Dart 3.0.", "fixStatus": "hasFix" }, { "name": "invalid_runtime_check_with_js_interop_types", "description": "Avoid runtime type tests with JS interop types where the result may not\n be platform-consistent.", "fixStatus": "needsEvaluation" }, { "name": "invariant_booleans", "description": "Conditions should not unconditionally evaluate to `true` or to `false`.", "fixStatus": "noFix" }, { "name": "iterable_contains_unrelated_type", "description": "Invocation of `Iterable.contains` with references of unrelated types.", "fixStatus": "noFix" }, { "name": "join_return_with_assignment", "description": "Join return statement with assignment when possible.", "fixStatus": "needsFix" }, { "name": "leading_newlines_in_multiline_strings", "description": "Start multiline strings with a newline.", "fixStatus": "hasFix" }, { "name": "library_annotations", "description": "Attach library annotations to library directives.", "fixStatus": "hasFix" }, { "name": "library_names", "description": "Name libraries using `lowercase_with_underscores`.", "fixStatus": "noFix" }, { "name": "library_prefixes", "description": "Use `lowercase_with_underscores` when specifying a library prefix.", "fixStatus": "noFix" }, { "name": "library_private_types_in_public_api", "description": "Avoid using private types in public APIs.", "fixStatus": "noFix" }, { "name": "lines_longer_than_80_chars", "description": "Avoid lines longer than 80 characters.", "fixStatus": "noFix" }, { "name": "list_remove_unrelated_type", "description": "Invocation of `remove` with references of unrelated types.", "fixStatus": "noFix" }, { "name": "literal_only_boolean_expressions", "description": "Boolean expression composed only with literals.", "fixStatus": "noFix" }, { "name": "matching_super_parameters", "description": "Use matching super parameter names.", "fixStatus": "needsFix" }, { "name": "missing_code_block_language_in_doc_comment", "description": "A code block is missing a specified language.", "fixStatus": "needsEvaluation" }, { "name": "missing_whitespace_between_adjacent_strings", "description": "Missing whitespace between adjacent strings.", "fixStatus": "needsFix" }, { "name": "no_adjacent_strings_in_list", "description": "Don't use adjacent strings in list.", "fixStatus": "needsFix" }, { "name": "no_default_cases", "description": "No default cases.", "fixStatus": "needsFix" }, { "name": "no_duplicate_case_values", "description": "Don't use more than one case with same value.", "fixStatus": "hasFix" }, { "name": "no_leading_underscores_for_library_prefixes", "description": "Avoid leading underscores for library prefixes.", "fixStatus": "hasFix" }, { "name": "no_leading_underscores_for_local_identifiers", "description": "Avoid leading underscores for local identifiers.", "fixStatus": "hasFix" }, { "name": "no_literal_bool_comparisons", "description": "Don't compare boolean expressions to boolean literals.", "fixStatus": "hasFix" }, { "name": "no_logic_in_create_state", "description": "Don't put any logic in createState.", "fixStatus": "noFix" }, { "name": "no_runtimeType_toString", "description": "Avoid calling `toString()` on `runtimeType`.", "fixStatus": "noFix" }, { "name": "no_self_assignments", "description": "Don't assign a variable to itself.", "fixStatus": "needsEvaluation" }, { "name": "no_wildcard_variable_uses", "description": "Don't use wildcard parameters or variables.", "fixStatus": "needsEvaluation" }, { "name": "non_constant_identifier_names", "description": "Name non-constant identifiers using lowerCamelCase.", "fixStatus": "hasFix" }, { "name": "noop_primitive_operations", "description": "Noop primitive operations.", "fixStatus": "hasFix" }, { "name": "null_check_on_nullable_type_parameter", "description": "Don't use `null` check on a potentially nullable type parameter.", "fixStatus": "hasFix" }, { "name": "null_closures", "description": "Do not pass `null` as an argument where a closure is expected.", "fixStatus": "hasFix" }, { "name": "omit_local_variable_types", "description": "Omit type annotations for local variables.", "fixStatus": "hasFix" }, { "name": "omit_obvious_local_variable_types", "description": "Omit obvious type annotations for local variables.", "fixStatus": "hasFix" }, { "name": "omit_obvious_property_types", "description": "Omit obvious type annotations for top-level and static variables.", "fixStatus": "hasFix" }, { "name": "one_member_abstracts", "description": "Avoid defining a one-member abstract class when a simple function will do.", "fixStatus": "noFix" }, { "name": "only_throw_errors", "description": "Only throw instances of classes extending either Exception or Error.", "fixStatus": "noFix" }, { "name": "overridden_fields", "description": "Don't override fields.", "fixStatus": "noFix" }, { "name": "package_api_docs", "description": "Provide doc comments for all public APIs.", "fixStatus": "noFix" }, { "name": "package_names", "description": "Use `lowercase_with_underscores` for package names.", "fixStatus": "noFix" }, { "name": "package_prefixed_library_names", "description": "Prefix library names with the package name and a dot-separated path.", "fixStatus": "noFix" }, { "name": "parameter_assignments", "description": "Don't reassign references to parameters of functions or methods.", "fixStatus": "noFix" }, { "name": "prefer_adjacent_string_concatenation", "description": "Use adjacent strings to concatenate string literals.", "fixStatus": "hasFix" }, { "name": "prefer_asserts_in_initializer_lists", "description": "Prefer putting asserts in initializer lists.", "fixStatus": "needsFix" }, { "name": "prefer_asserts_with_message", "description": "Prefer asserts with message.", "fixStatus": "noFix" }, { "name": "prefer_bool_in_asserts", "description": "Prefer using a boolean as the assert condition.", "fixStatus": "noFix" }, { "name": "prefer_collection_literals", "description": "Use collection literals when possible.", "fixStatus": "hasFix" }, { "name": "prefer_conditional_assignment", "description": "Prefer using `??=` over testing for `null`.", "fixStatus": "hasFix" }, { "name": "prefer_const_constructors", "description": "Prefer `const` with constant constructors.", "fixStatus": "hasFix" }, { "name": "prefer_const_constructors_in_immutables", "description": "Prefer declaring `const` constructors on `@immutable` classes.", "fixStatus": "hasFix" }, { "name": "prefer_const_declarations", "description": "Prefer `const` over `final` for declarations.", "fixStatus": "hasFix" }, { "name": "prefer_const_literals_to_create_immutables", "description": "Prefer const literals as parameters of constructors on @immutable classes.", "fixStatus": "hasFix" }, { "name": "prefer_constructors_over_static_methods", "description": "Prefer defining constructors instead of static methods to create instances.", "fixStatus": "needsFix" }, { "name": "prefer_contains", "description": "Use contains for `List` and `String` instances.", "fixStatus": "hasFix" }, { "name": "prefer_double_quotes", "description": "Prefer double quotes where they won't require escape sequences.", "fixStatus": "hasFix" }, { "name": "prefer_equal_for_default_values", "description": "Use `=` to separate a named parameter from its default value.", "fixStatus": "noFix" }, { "name": "prefer_expression_function_bodies", "description": "Use => for short members whose body is a single return statement.", "fixStatus": "hasFix" }, { "name": "prefer_final_fields", "description": "Private field could be `final`.", "fixStatus": "hasFix" }, { "name": "prefer_final_in_for_each", "description": "Prefer final in for-each loop variable if reference is not reassigned.", "fixStatus": "hasFix" }, { "name": "prefer_final_locals", "description": "Prefer final for variable declarations if they are not reassigned.", "fixStatus": "hasFix" }, { "name": "prefer_final_parameters", "description": "Prefer final for parameter declarations if they are not reassigned.", "fixStatus": "hasFix" }, { "name": "prefer_for_elements_to_map_fromIterable", "description": "Prefer `for` elements when building maps from iterables.", "fixStatus": "hasFix" }, { "name": "prefer_foreach", "description": "Use `forEach` to only apply a function to all the elements.", "fixStatus": "needsFix" }, { "name": "prefer_function_declarations_over_variables", "description": "Use a function declaration to bind a function to a name.", "fixStatus": "hasFix" }, { "name": "prefer_generic_function_type_aliases", "description": "Prefer generic function type aliases.", "fixStatus": "hasFix" }, { "name": "prefer_if_elements_to_conditional_expressions", "description": "Prefer if elements to conditional expressions where possible.", "fixStatus": "hasFix" }, { "name": "prefer_if_null_operators", "description": "Prefer using `??` operators.", "fixStatus": "hasFix" }, { "name": "prefer_initializing_formals", "description": "Use initializing formals when possible.", "fixStatus": "hasFix" }, { "name": "prefer_inlined_adds", "description": "Inline list item declarations where possible.", "fixStatus": "hasFix" }, { "name": "prefer_int_literals", "description": "Prefer int literals over double literals.", "fixStatus": "hasFix" }, { "name": "prefer_interpolation_to_compose_strings", "description": "Use interpolation to compose strings and values.", "fixStatus": "hasFix" }, { "name": "prefer_is_empty", "description": "Use `isEmpty` for `Iterable`s and `Map`s.", "fixStatus": "hasFix" }, { "name": "prefer_is_not_empty", "description": "Use `isNotEmpty` for `Iterable`s and `Map`s.", "fixStatus": "hasFix" }, { "name": "prefer_is_not_operator", "description": "Prefer is! operator.", "fixStatus": "hasFix" }, { "name": "prefer_iterable_whereType", "description": "Prefer to use `whereType` on iterable.", "fixStatus": "hasFix" }, { "name": "prefer_mixin", "description": "Prefer using mixins.", "fixStatus": "needsFix" }, { "name": "prefer_null_aware_method_calls", "description": "Prefer `null`-aware method calls.", "fixStatus": "needsFix" }, { "name": "prefer_null_aware_operators", "description": "Prefer using `null`-aware operators.", "fixStatus": "hasFix" }, { "name": "prefer_relative_imports", "description": "Prefer relative imports for files in `lib/`.", "fixStatus": "hasFix" }, { "name": "prefer_single_quotes", "description": "Only use double quotes for strings containing single quotes.", "fixStatus": "hasFix" }, { "name": "prefer_spread_collections", "description": "Use spread collections when possible.", "fixStatus": "hasFix" }, { "name": "prefer_typing_uninitialized_variables", "description": "Prefer typing uninitialized variables and fields.", "fixStatus": "hasFix" }, { "name": "prefer_void_to_null", "description": "Don't use the Null type, unless you are positive that you don't want void.", "fixStatus": "hasFix" }, { "name": "provide_deprecation_message", "description": "Provide a deprecation message, via `@Deprecated(\"message\")`.", "fixStatus": "noFix" }, { "name": "public_member_api_docs", "description": "Document all public members.", "fixStatus": "noFix" }, { "name": "recursive_getters", "description": "Property getter recursively returns itself.", "fixStatus": "noFix" }, { "name": "require_trailing_commas", "description": "Use trailing commas for all parameter lists and argument lists.", "fixStatus": "hasFix" }, { "name": "secure_pubspec_urls", "description": "Use secure urls in `pubspec.yaml`.", "fixStatus": "noFix" }, { "name": "sized_box_for_whitespace", "description": "`SizedBox` for whitespace.", "fixStatus": "hasFix" }, { "name": "sized_box_shrink_expand", "description": "Use SizedBox shrink and expand named constructors.", "fixStatus": "needsFix" }, { "name": "slash_for_doc_comments", "description": "Prefer using `///` for doc comments.", "fixStatus": "hasFix" }, { "name": "sort_child_properties_last", "description": "Sort child properties last in widget instance creations.", "fixStatus": "hasFix" }, { "name": "sort_constructors_first", "description": "Sort constructor declarations before other members.", "fixStatus": "hasFix" }, { "name": "sort_pub_dependencies", "description": "Sort pub dependencies alphabetically.", "fixStatus": "needsFix" }, { "name": "sort_unnamed_constructors_first", "description": "Sort unnamed constructor declarations first.", "fixStatus": "hasFix" }, { "name": "specify_nonobvious_local_variable_types", "description": "Specify non-obvious type annotations for local variables.", "fixStatus": "hasFix" }, { "name": "specify_nonobvious_property_types", "description": "Specify non-obvious type annotations for top-level and static variables.", "fixStatus": "hasFix" }, { "name": "super_goes_last", "description": "Place the `super` call last in a constructor initialization list.", "fixStatus": "noFix" }, { "name": "test_types_in_equals", "description": "Test type of argument in `operator ==(Object other)`.", "fixStatus": "noFix" }, { "name": "throw_in_finally", "description": "Avoid `throw` in `finally` block.", "fixStatus": "noFix" }, { "name": "tighten_type_of_initializing_formals", "description": "Tighten type of initializing formal.", "fixStatus": "needsFix" }, { "name": "type_annotate_public_apis", "description": "Type annotate public APIs.", "fixStatus": "hasFix" }, { "name": "type_init_formals", "description": "Don't type annotate initializing formals.", "fixStatus": "hasFix" }, { "name": "type_literal_in_constant_pattern", "description": "Don't use constant patterns with type literals.", "fixStatus": "hasFix" }, { "name": "unawaited_futures", "description": "`Future` results in `async` function bodies must be `await`ed or marked `unawaited` using `dart:async`.", "fixStatus": "hasFix" }, { "name": "unintended_html_in_doc_comment", "description": "Use of angle brackets in a doc comment is treated as HTML by Markdown.", "fixStatus": "needsFix" }, { "name": "unnecessary_await_in_return", "description": "Unnecessary `await` keyword in return.", "fixStatus": "hasFix" }, { "name": "unnecessary_brace_in_string_interps", "description": "Avoid using braces in interpolation when not needed.", "fixStatus": "hasFix" }, { "name": "unnecessary_breaks", "description": "Don't use explicit `break`s when a break is implied.", "fixStatus": "hasFix" }, { "name": "unnecessary_const", "description": "Avoid `const` keyword.", "fixStatus": "hasFix" }, { "name": "unnecessary_constructor_name", "description": "Unnecessary `.new` constructor name.", "fixStatus": "hasFix" }, { "name": "unnecessary_final", "description": "Don't use `final` for local variables.", "fixStatus": "hasFix" }, { "name": "unnecessary_getters_setters", "description": "Avoid wrapping fields in getters and setters just to be \"safe\".", "fixStatus": "hasFix" }, { "name": "unnecessary_lambdas", "description": "Don't create a lambda when a tear-off will do.", "fixStatus": "hasFix" }, { "name": "unnecessary_late", "description": "Don't specify the `late` modifier when it is not needed.", "fixStatus": "hasFix" }, { "name": "unnecessary_library_directive", "description": "Avoid library directives unless they have documentation comments or annotations.", "fixStatus": "hasFix" }, { "name": "unnecessary_library_name", "description": "Don't have a library name in a `library` declaration.", "fixStatus": "hasFix" }, { "name": "unnecessary_new", "description": "Unnecessary new keyword.", "fixStatus": "hasFix" }, { "name": "unnecessary_null_aware_assignments", "description": "Avoid `null` in `null`-aware assignment.", "fixStatus": "hasFix" }, { "name": "unnecessary_null_aware_operator_on_extension_on_nullable", "description": "Unnecessary null aware operator on extension on a nullable type.", "fixStatus": "needsFix" }, { "name": "unnecessary_null_checks", "description": "Unnecessary `null` checks.", "fixStatus": "hasFix" }, { "name": "unnecessary_null_in_if_null_operators", "description": "Avoid using `null` in `??` operators.", "fixStatus": "hasFix" }, { "name": "unnecessary_nullable_for_final_variable_declarations", "description": "Use a non-nullable type for a final variable initialized with a non-nullable value.", "fixStatus": "hasFix" }, { "name": "unnecessary_overrides", "description": "Don't override a method to do a super method invocation with the same parameters.", "fixStatus": "hasFix" }, { "name": "unnecessary_parenthesis", "description": "Unnecessary parentheses can be removed.", "fixStatus": "hasFix" }, { "name": "unnecessary_raw_strings", "description": "Unnecessary raw string.", "fixStatus": "hasFix" }, { "name": "unnecessary_statements", "description": "Avoid using unnecessary statements.", "fixStatus": "noFix" }, { "name": "unnecessary_string_escapes", "description": "Remove unnecessary backslashes in strings.", "fixStatus": "hasFix" }, { "name": "unnecessary_string_interpolations", "description": "Unnecessary string interpolation.", "fixStatus": "hasFix" }, { "name": "unnecessary_this", "description": "Don't access members with `this` unless avoiding shadowing.", "fixStatus": "hasFix" }, { "name": "unnecessary_to_list_in_spreads", "description": "Unnecessary `toList()` in spreads.", "fixStatus": "hasFix" }, { "name": "unreachable_from_main", "description": "Unreachable top-level members in executable libraries.", "fixStatus": "hasFix" }, { "name": "unrelated_type_equality_checks", "description": "Equality operator `==` invocation with references of unrelated types.", "fixStatus": "needsEvaluation" }, { "name": "unsafe_html", "description": "Avoid unsafe HTML APIs.", "fixStatus": "noFix" }, { "name": "unsafe_variance", "description": "Unsafe type: Has a type variable in a non-covariant position.", "fixStatus": "noFix" }, { "name": "use_build_context_synchronously", "description": "Do not use `BuildContext` across asynchronous gaps.", "fixStatus": "noFix" }, { "name": "use_colored_box", "description": "Use `ColoredBox`.", "fixStatus": "hasFix" }, { "name": "use_decorated_box", "description": "Use `DecoratedBox`.", "fixStatus": "hasFix" }, { "name": "use_enums", "description": "Use enums rather than classes that behave like enums.", "fixStatus": "hasFix" }, { "name": "use_full_hex_values_for_flutter_colors", "description": "Prefer an 8-digit hexadecimal integer (for example, 0xFFFFFFFF) to instantiate a Color.", "fixStatus": "hasFix" }, { "name": "use_function_type_syntax_for_parameters", "description": "Use generic function type syntax for parameters.", "fixStatus": "hasFix" }, { "name": "use_if_null_to_convert_nulls_to_bools", "description": "Use `??` operators to convert `null`s to `bool`s.", "fixStatus": "needsFix" }, { "name": "use_is_even_rather_than_modulo", "description": "Prefer intValue.isOdd/isEven instead of checking the result of % 2.", "fixStatus": "needsFix" }, { "name": "use_key_in_widget_constructors", "description": "Use key in widget constructors.", "fixStatus": "hasFix" }, { "name": "use_late_for_private_fields_and_variables", "description": "Use late for private members with a non-nullable type.", "fixStatus": "needsFix" }, { "name": "use_named_constants", "description": "Use predefined named constants.", "fixStatus": "hasFix" }, { "name": "use_raw_strings", "description": "Use raw string to avoid escapes.", "fixStatus": "hasFix" }, { "name": "use_rethrow_when_possible", "description": "Use rethrow to rethrow a caught exception.", "fixStatus": "hasFix" }, { "name": "use_setters_to_change_properties", "description": "Use a setter for operations that conceptually change a property.", "fixStatus": "noFix" }, { "name": "use_string_buffers", "description": "Use string buffers to compose strings.", "fixStatus": "needsFix" }, { "name": "use_string_in_part_of_directives", "description": "Use string in part of directives.", "fixStatus": "hasFix" }, { "name": "use_super_parameters", "description": "Use super-initializer parameters where possible.", "fixStatus": "hasFix" }, { "name": "use_test_throws_matchers", "description": "Use throwsA matcher instead of fail().", "fixStatus": "needsFix" }, { "name": "use_to_and_as_if_applicable", "description": "Start the name of the method with to/_to or as/_as if applicable.", "fixStatus": "noFix" }, { "name": "use_truncating_division", "description": "Use truncating division.", "fixStatus": "hasFix" }, { "name": "valid_regexps", "description": "Use valid regular expression syntax.", "fixStatus": "noFix" }, { "name": "void_checks", "description": "Don't assign to `void`.", "fixStatus": "noFix" } ]