analysis_options.yaml

analyzer:

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
  - annotate_overrides
  # - avoid_annotating_with_dynamic # conflicts with always_specify_types
  - avoid_as
  # - avoid_bool_literals_in_conditional_expressions # not yet tested
  # - 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_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_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 # we do this commonly
  # - avoid_returning_this # https://github.com/dart-lang/linter/issues/842
  # - avoid_setters_without_getters # not yet tested
  # - avoid_single_cascade_in_expression_statements # not yet tested
  - avoid_slow_async_io
  # - avoid_types_as_parameter_names # https://github.com/dart-lang/linter/pull/954/files
  # - avoid_types_on_closure_parameters # conflicts with always_specify_types
  # - avoid_unused_constructor_parameters # https://github.com/dart-lang/linter/pull/847
  - await_only_futures
  - camel_case_types
  - cancel_subscriptions
  # - cascade_invocations # not yet tested
  # - close_sinks # https://github.com/flutter/flutter/issues/5789
  # - comment_references # blocked on https://github.com/dart-lang/dartdoc/issues/1153
  # - constant_identifier_names # https://github.com/dart-lang/linter/issues/204
  - control_flow_in_finally
  - directives_ordering
  - empty_catches
  - empty_constructor_bodies
  - empty_statements
  - hash_and_equals
  - implementation_imports
  # - invariant_booleans # https://github.com/flutter/flutter/issues/5790
  - iterable_contains_unrelated_type
  # - join_return_with_assignment # not yet tested
  - library_names
  - library_prefixes
  - list_remove_unrelated_type
  # - literal_only_boolean_expressions # https://github.com/flutter/flutter/issues/5791
  - no_adjacent_strings_in_list
  - no_duplicate_case_values
  - non_constant_identifier_names
  # - 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_bool_in_asserts
  - 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_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_locals
  # - prefer_foreach
  # - prefer_function_declarations_over_variables # not yet tested
  - prefer_initializing_formals
  # - prefer_interpolation_to_compose_strings # not yet tested
  # - prefer_iterable_whereType # https://github.com/dart-lang/sdk/issues/32463
  - prefer_is_empty
  - prefer_is_not_empty
  - prefer_single_quotes
  - prefer_typing_uninitialized_variables
  - recursive_getters
  - slash_for_doc_comments
  - sort_constructors_first
  - sort_unnamed_constructors_first
  - super_goes_last
  - test_types_in_equals
  - throw_in_finally
  # - type_annotate_public_apis # subset of always_specify_types
  - type_init_formals
  # - unawaited_futures # https://github.com/flutter/flutter/issues/5793
  - unnecessary_brace_in_string_interps
  - unnecessary_getters_setters
  # - unnecessary_lambdas # https://github.com/dart-lang/linter/issues/498
  - unnecessary_null_aware_assignments
  - unnecessary_null_in_if_null_operators
  - unnecessary_overrides
  - unnecessary_parenthesis
  # - unnecessary_statements # not yet tested
  - unnecessary_this
  - unrelated_type_equality_checks
  - use_rethrow_when_possible
  # - use_setters_to_change_properties # not yet tested
  # - use_string_buffers # https://github.com/dart-lang/linter/pull/664
  # - 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