include: package:very_good_analysis/analysis_options.3.1.0.yaml analyzer: strong-mode: implicit-dynamic: true implicit-casts: true errors: avoid_dynamic_calls: error missing_required_param: error missing_return: error # allow having TODOs in the code todo: info missing_enum_constant_in_switch: error implicit_dynamic_type: info implicit_dynamic_map_literal: info implicit_dynamic_list_literal: info implicit_dynamic_method: warning implicit_dynamic_function: warning invalid_use_of_protected_member: error unused_local_variable: warning deprecated_member_use: warning unused_element: warning unused_field: warning dead_code: error must_call_super: error # linter errors unnecessary_statements: error recursive_getters: error unnecessary_new: error unnecessary_getters_setters: error use_function_type_syntax_for_parameters: error no_duplicate_case_values: error no_adjacent_strings_in_list: error non_constant_identifier_names: error constant_identifier_names: error avoid_returning_this: error prefer_const_constructors_in_immutables: error prefer_const_literals_to_create_immutables: error avoid_equals_and_hash_code_on_mutable_classes: error camel_case_types: error camel_case_extensions: error library_names: error file_names: error library_prefixes: error # linter warnings avoid_print: warning unnecessary_lambdas: warning use_key_in_widget_constructors: warning prefer_final_fields: warning prefer_final_locals: warning prefer_final_in_for_each: warning prefer_const_constructors: warning unnecessary_const: warning unnecessary_brace_in_string_interps: warning # Ignore analyzer hints for updating pubspecs when using Future or # Stream and not importing dart:async # Please see https://github.com/flutter/flutter/pull/24528 for details. sdk_version_async_exported_from_core: ignore exclude: - "bin/cache/**" - "**/*.chopper.dart" - "**/generated/**" - "**/*.g.dart" linter: rules: # these rules are documented on and in the same order as # the Dart Lint rules page to make maintenance easier # https://github.com/dart-lang/linter/blob/master/example/all.yaml - always_declare_return_types # always_put_control_body_on_new_line # always_put_required_named_parameters_first - always_require_non_null_named_parameters - avoid_dynamic_calls # - always_specify_types - annotate_overrides - avoid_print # - avoid_annotating_with_dynamic # conflicts with always_specify_types - avoid_returning_this - avoid_init_to_null - avoid_bool_literals_in_conditional_expressions # - avoid_catches_without_on_clauses # we do this commonly # - avoid_catching_errors # we do this commonly # - avoid_classes_with_only_static_members # - avoid_double_and_int_checks # only useful when targeting JS runtime - avoid_empty_else - avoid_field_initializers_in_const_classes - avoid_function_literals_in_foreach_calls # - avoid_js_rounded_ints # only useful when targeting JS runtime - avoid_null_checks_in_equality_operators - avoid_positional_boolean_parameters # - avoid_private_typedef_functions # we prefer having typedef (discussion in https://github.com/flutter/flutter/pull/16356) - avoid_relative_lib_imports - avoid_renaming_method_parameters - avoid_return_types_on_setters # - avoid_returning_null # there are plenty of valid reasons to return null # - avoid_returning_null_for_future # not yet tested - avoid_returning_null_for_void # - avoid_returning_this # there are plenty of valid reasons to return this # - avoid_setters_without_getters # not yet tested # - avoid_shadowing_type_parameters # not yet tested # - avoid_single_cascade_in_expression_statements # not yet tested - avoid_slow_async_io - avoid_types_as_parameter_names # - avoid_types_on_closure_parameters # conflicts with always_specify_types - avoid_unused_constructor_parameters - avoid_void_async - await_only_futures - camel_case_types - cancel_subscriptions # - cascade_invocations # not yet tested # - close_sinks # not reliable enough # - comment_references # blocked on https://github.com/flutter/flutter/issues/20765 # - constant_identifier_names # needs an opt-out https://github.com/dart-lang/linter/issues/204 - control_flow_in_finally # - curly_braces_in_flow_control_structures # not yet tested # - diagnostic_describe_all_properties # not yet tested - directives_ordering - empty_catches - empty_constructor_bodies - empty_statements # - file_names # not yet tested - hash_and_equals - implementation_imports # - invariant_booleans # too many false positives: https://github.com/dart-lang/linter/issues/811 - iterable_contains_unrelated_type # - join_return_with_assignment # not yet tested - library_names - library_prefixes # - lines_longer_than_80_chars # not yet tested - list_remove_unrelated_type # - literal_only_boolean_expressions # too many false positives: https://github.com/dart-lang/sdk/issues/34181 - no_adjacent_strings_in_list - no_duplicate_case_values - non_constant_identifier_names # - null_closures # not yet tested # - omit_local_variable_types # opposite of always_specify_types # - one_member_abstracts # too many false positives # - only_throw_errors # https://github.com/flutter/flutter/issues/5792 - overridden_fields - package_api_docs - package_names - package_prefixed_library_names # - parameter_assignments # we do this commonly - prefer_adjacent_string_concatenation - prefer_asserts_in_initializer_lists # - prefer_asserts_with_message # not yet tested - prefer_collection_literals - prefer_conditional_assignment - prefer_const_constructors - prefer_const_constructors_in_immutables - prefer_const_declarations - prefer_const_literals_to_create_immutables # - prefer_constructors_over_static_methods # not yet tested - prefer_contains # - prefer_double_quotes # opposite of prefer_single_quotes - prefer_equal_for_default_values # - prefer_expression_function_bodies # conflicts with https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#consider-using--for-short-functions-and-methods - prefer_final_fields # - prefer_final_in_for_each # not yet tested - prefer_final_locals # - prefer_for_elements_to_map_fromIterable # not yet tested - prefer_foreach # - prefer_function_declarations_over_variables # not yet tested - prefer_generic_function_type_aliases # - prefer_if_elements_to_conditional_expressions # not yet tested - prefer_if_null_operators - prefer_initializing_formals - prefer_inlined_adds # - prefer_int_literals # not yet tested # - prefer_interpolation_to_compose_strings # not yet tested - prefer_is_empty - prefer_is_not_empty - prefer_iterable_whereType # - prefer_mixin # https://github.com/dart-lang/language/issues/32 # - prefer_null_aware_operators # disable until NNBD, see https://github.com/flutter/flutter/pull/32711#issuecomment-492930932 - prefer_single_quotes - prefer_spread_collections - prefer_typing_uninitialized_variables - prefer_void_to_null # - provide_deprecation_message # not yet tested # - public_member_api_docs # enabled on a case-by-case basis; see e.g. packages/analysis_options.yaml - recursive_getters - slash_for_doc_comments # - sort_child_properties_last # not yet tested # - sort_constructors_first - sort_pub_dependencies - sort_unnamed_constructors_first - test_types_in_equals - throw_in_finally # - type_annotate_public_apis # subset of always_specify_types - type_init_formals - unawaited_futures # - unnecessary_await_in_return # not yet tested - unnecessary_brace_in_string_interps - unnecessary_const - unnecessary_getters_setters # - unnecessary_lambdas # has false positives: https://github.com/dart-lang/linter/issues/498 - unnecessary_new - unnecessary_null_aware_assignments - unnecessary_null_in_if_null_operators - unnecessary_overrides - unnecessary_parenthesis - unnecessary_statements - unnecessary_this - unrelated_type_equality_checks # - unsafe_html # not yet tested - use_full_hex_values_for_flutter_colors # - use_function_type_syntax_for_parameters # not yet tested - use_rethrow_when_possible - use_key_in_widget_constructors # - use_setters_to_change_properties # not yet tested # - use_string_buffers # has false positives: https://github.com/dart-lang/sdk/issues/34182 # - use_to_and_as_if_applicable # has false positives, so we prefer to catch this by code-review - valid_regexps # - void_checks # not yet tested