analyzer: strong-mode: implicit-casts: false implicit-dynamic: false errors: missing_required_param: warning missing_return: warning exclude: - "bin/cache/**" # Ignore protoc generated files - "dev/conductor/lib/proto/*" 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 # we prefer having parameters in the same order as fields https://github.com/flutter/flutter/issues/10219 - always_require_non_null_named_parameters - always_specify_types # - always_use_package_imports # we do this commonly - annotate_overrides # - avoid_annotating_with_dynamic # conflicts with always_specify_types - 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_dynamic_calls - avoid_empty_else - avoid_equals_and_hash_code_on_mutable_classes - avoid_escaping_inner_quotes - avoid_field_initializers_in_const_classes - avoid_function_literals_in_foreach_calls # - avoid_implementing_value_types # not yet tested - avoid_init_to_null # - avoid_js_rounded_ints # only useful when targeting JS runtime - avoid_null_checks_in_equality_operators # - avoid_positional_boolean_parameters # not yet tested # - avoid_print # not yet tested # - avoid_private_typedef_functions # we prefer having typedef (discussion in https://github.com/flutter/flutter/pull/16356) # - avoid_redundant_argument_values # not yet tested - 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 - avoid_single_cascade_in_expression_statements - avoid_slow_async_io - avoid_type_to_string - avoid_types_as_parameter_names # - avoid_types_on_closure_parameters # conflicts with always_specify_types - avoid_unnecessary_containers - avoid_unused_constructor_parameters - avoid_void_async # - avoid_web_libraries_in_flutter # not yet tested - await_only_futures - camel_case_extensions - camel_case_types - cancel_subscriptions # - cascade_invocations # not yet tested - cast_nullable_to_non_nullable # - close_sinks # not reliable enough # - comment_references # blocked on https://github.com/dart-lang/linter/issues/1142 # - 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 required by flutter style # - diagnostic_describe_all_properties # not yet tested - directives_ordering # - do_not_use_environment # we do this commonly - empty_catches - empty_constructor_bodies - empty_statements - exhaustive_cases - file_names - flutter_style_todos - 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 required by flutter style - leading_newlines_in_multiline_strings - library_names - library_prefixes # - lines_longer_than_80_chars # not required by flutter style - list_remove_unrelated_type # - literal_only_boolean_expressions # too many false positives: https://github.com/dart-lang/sdk/issues/34181 - missing_whitespace_between_adjacent_strings - no_adjacent_strings_in_list # - no_default_cases # too many false positives - no_duplicate_case_values - no_logic_in_create_state # - no_runtimeType_toString # ok in tests; we enable this only in packages/ - non_constant_identifier_names - null_check_on_nullable_type_parameter - null_closures # - 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 required by flutter style - 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 # far too many false positives - 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 - prefer_final_locals - prefer_for_elements_to_map_fromIterable - prefer_foreach - prefer_function_declarations_over_variables - prefer_generic_function_type_aliases - prefer_if_elements_to_conditional_expressions - prefer_if_null_operators - prefer_initializing_formals - prefer_inlined_adds # - prefer_int_literals # conflicts with https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#use-double-literals-for-double-constants - prefer_interpolation_to_compose_strings - prefer_is_empty - prefer_is_not_empty - prefer_is_not_operator - prefer_iterable_whereType # - prefer_mixin # https://github.com/dart-lang/language/issues/32 - prefer_null_aware_operators # - prefer_relative_imports # incompatible with sub-package imports - prefer_single_quotes - prefer_spread_collections - prefer_typing_uninitialized_variables - prefer_void_to_null - provide_deprecation_message # - public_member_api_docs # enabled on a case-by-case basis; see e.g. packages/analysis_options.yaml - recursive_getters - sized_box_for_whitespace - slash_for_doc_comments # - sort_child_properties_last # not yet tested - sort_constructors_first # - sort_pub_dependencies # prevents separating pinned transitive dependencies - sort_unnamed_constructors_first - test_types_in_equals - throw_in_finally - tighten_type_of_initializing_formals # - type_annotate_public_apis # subset of always_specify_types - type_init_formals # - unawaited_futures # too many false positives - unnecessary_await_in_return - unnecessary_brace_in_string_interps - unnecessary_const # - unnecessary_final # conflicts with prefer_final_locals - unnecessary_getters_setters # - unnecessary_lambdas # has false positives: https://github.com/dart-lang/linter/issues/498 - unnecessary_new - unnecessary_null_aware_assignments - unnecessary_null_checks - unnecessary_null_in_if_null_operators - unnecessary_nullable_for_final_variable_declarations - unnecessary_overrides - unnecessary_parenthesis # - unnecessary_raw_strings # not yet tested - unnecessary_statements - unnecessary_string_escapes - unnecessary_string_interpolations - unnecessary_this - unrelated_type_equality_checks # - unsafe_html # not yet tested - use_full_hex_values_for_flutter_colors - use_function_type_syntax_for_parameters # - use_if_null_to_convert_nulls_to_bools # not yet tested - use_is_even_rather_than_modulo - use_key_in_widget_constructors - use_late_for_private_fields_and_variables - use_raw_strings - use_rethrow_when_possible # - 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