# This file is deprecated and only included in the framework to maintain # backwards compatibility. DO NOT MAKE CHANGES TO THIS FILE. # # The recommended analyzer options for Flutter code (apps, packages, and # plugins) outside the Flutter repositories are now defined by # package:flutter_lints located at # https://github.com/flutter/packages/tree/master/packages/flutter_lints # # Old documentation: # This file contains the analysis options used by "flutter analyze" and the # dartanalyzer when analyzing code outside the flutter repository. It isn't named # 'analysis_options.yaml' because otherwise editors would use it when analyzing # the flutter tool itself. analyzer: errors: # treat missing required parameters as a warning (not a hint) missing_required_param: warning 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 # - always_specify_types # - always_use_package_imports # - annotate_overrides # - avoid_annotating_with_dynamic # conflicts with always_specify_types # - avoid_bool_literals_in_conditional_expressions # - avoid_catches_without_on_clauses # - avoid_catching_errors # - 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 - avoid_init_to_null # - avoid_js_rounded_ints # only useful when targeting JS runtime # - avoid_null_checks_in_equality_operators # - avoid_positional_boolean_parameters # - avoid_print # - avoid_private_typedef_functions # - avoid_redundant_argument_values # - 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 # - avoid_returning_null_for_void # - avoid_returning_this # there are plenty of valid reasons to return this # - avoid_setters_without_getters # - 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 - await_only_futures # - camel_case_extensions - camel_case_types - cancel_subscriptions # - cascade_invocations # - cast_nullable_to_non_nullable - close_sinks # - comment_references # we do not presume as to what people want to reference in their dartdocs # - 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 # - deprecated_consistency # - diagnostic_describe_all_properties # - directives_ordering # - do_not_use_environment # - empty_catches - empty_constructor_bodies - empty_statements # - exhaustive_cases # - file_names # - flutter_style_todos - hash_and_equals - implementation_imports # - invariant_booleans # - iterable_contains_unrelated_type # - join_return_with_assignment # - leading_newlines_in_multiline_strings - library_names # - library_prefixes # - lines_longer_than_80_chars # - list_remove_unrelated_type # - literal_only_boolean_expressions # - missing_whitespace_between_adjacent_strings # - no_adjacent_strings_in_list # - no_default_cases # - no_duplicate_case_values # - no_logic_in_create_state # - no_runtimeType_toString - non_constant_identifier_names # - null_check_on_nullable_type_parameter # - null_closures # - omit_local_variable_types # opposite of always_specify_types # - one_member_abstracts # - only_throw_errors # - overridden_fields - package_api_docs - package_names - package_prefixed_library_names # - parameter_assignments # - prefer_adjacent_string_concatenation # - prefer_asserts_in_initializer_lists # - prefer_asserts_with_message # - 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 # - prefer_contains # - prefer_double_quotes # opposite of prefer_single_quotes # - prefer_equal_for_default_values # - prefer_expression_function_bodies # - 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 # - 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 # - prefer_single_quotes # - prefer_spread_collections # - prefer_typing_uninitialized_variables # - prefer_void_to_null # - provide_deprecation_message # - public_member_api_docs # - recursive_getters # - sized_box_for_whitespace - slash_for_doc_comments # - sort_child_properties_last # - sort_constructors_first # - sort_pub_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 # - unnecessary_await_in_return - unnecessary_brace_in_string_interps # - unnecessary_const # - unnecessary_final - unnecessary_getters_setters # - unnecessary_lambdas # - 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 - unnecessary_statements # - unnecessary_string_escapes # - unnecessary_string_interpolations # - unnecessary_this - unrelated_type_equality_checks # - unsafe_html # - use_full_hex_values_for_flutter_colors # - use_function_type_syntax_for_parameters # - use_if_null_to_convert_nulls_to_bools # - use_is_even_rather_than_modulo # - use_key_in_widget_constructors # - use_late_for_private_fields_and_variables # - use_named_constants # - use_raw_strings # - use_rethrow_when_possible # - use_setters_to_change_properties # - use_string_buffers # - use_to_and_as_if_applicable - valid_regexps # - void_checks