analysis_options.yaml

include: package:flutter_lints/flutter.yaml

analyzer:
  language:
    strict-casts: false
    strict-raw-types: true
  errors:
    missing_required_param: warning
    # treat missing returns as a warning (not a hint)
    missing_return: warning
    # allow self-reference to deprecated members (we do this because otherwise we have
    # to annotate every member in every test, assert, etc, when we deprecate something)
    deprecated_member_use_from_same_package: ignore
    # Turned off until null-safe rollout is complete.
    unnecessary_null_comparison: warning
  # exclude:
    # - "bin/cache/**"
    # # Ignore protoc generated files
    # - "dev/conductor/lib/proto/*"
    
linter:
  rules:
    - 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_bool_literals_in_conditional_expressions
    - avoid_classes_with_only_static_members
    - avoid_double_and_int_checks
    - 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
    - avoid_null_checks_in_equality_operators
    # - avoid_positional_boolean_parameters # would have been nice to enable this but by now there's too many places that break it
    - avoid_print
    - avoid_redundant_argument_values
    - avoid_relative_lib_imports
    - avoid_renaming_method_parameters
    - avoid_return_types_on_setters
    # - avoid_returning_null # still violated by some pre-nnbd code that we haven't yet migrated
    - avoid_returning_null_for_future
    - avoid_returning_null_for_void
    - 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_unnecessary_containers
    - avoid_unused_constructor_parameters
    - avoid_void_async
    - await_only_futures
    - camel_case_extensions
    - camel_case_types
    - cancel_subscriptions
    - cast_nullable_to_non_nullable
    - control_flow_in_finally
    - curly_braces_in_flow_control_structures # not required by flutter style, , but developer-facing code should have this on
    - depend_on_referenced_packages
    - deprecated_consistency
    - directives_ordering
    - empty_catches
    - empty_constructor_bodies
    - empty_statements
    - eol_at_end_of_file
    - exhaustive_cases
    - file_names
    - hash_and_equals
    - implementation_imports
    - iterable_contains_unrelated_type
    # - join_return_with_assignment # not required by flutter style
    - leading_newlines_in_multiline_strings
    - library_names
    - library_prefixes
    - library_private_types_in_public_api
    # - lines_longer_than_80_chars # not required by flutter style
    - list_remove_unrelated_type
    - missing_whitespace_between_adjacent_strings
    - no_adjacent_strings_in_list
    - no_default_cases
    - no_duplicate_case_values
    - no_leading_underscores_for_library_prefixes
    - no_leading_underscores_for_local_identifiers
    - no_logic_in_create_state
    # - no_runtimeType_toString # ok in tests; we enable this only in packages/
    - non_constant_identifier_names
    - noop_primitive_operations
    - null_check_on_nullable_type_parameter
    - null_closures
    - only_throw_errors # this does get disabled in a few places where we have legacy code that uses strings et al
    - overridden_fields
    - package_api_docs
    - package_names
    - package_prefixed_library_names
    - prefer_adjacent_string_concatenation
    - prefer_asserts_in_initializer_lists
    - prefer_collection_literals
    - prefer_conditional_assignment
    - prefer_const_constructors
    - prefer_const_constructors_in_immutables
    - prefer_const_declarations
    - prefer_const_literals_to_create_immutables
    - prefer_contains
    - prefer_equal_for_default_values
    - 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_interpolation_to_compose_strings
    - prefer_is_empty
    - prefer_is_not_empty
    - prefer_is_not_operator
    - prefer_iterable_whereType
    - prefer_null_aware_operators
    - prefer_relative_imports
    - prefer_single_quotes
    - prefer_spread_collections
    - prefer_typing_uninitialized_variables
    - prefer_void_to_null
    - provide_deprecation_message
    - recursive_getters
    - secure_pubspec_urls
    - sized_box_for_whitespace
    - slash_for_doc_comments
    - sort_child_properties_last
    - sort_constructors_first
    - sort_unnamed_constructors_first
    - test_types_in_equals
    - throw_in_finally
    - tighten_type_of_initializing_formals
    - type_init_formals
    - unnecessary_await_in_return
    - unnecessary_brace_in_string_interps
    - unnecessary_const
    - unnecessary_constructor_name
    - unnecessary_getters_setters
    - unnecessary_late
    - 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_statements
    - unnecessary_string_escapes
    - unnecessary_string_interpolations
    - unnecessary_this
    - unrelated_type_equality_checks
    - unsafe_html
    - use_build_context_synchronously
    - 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_super_parameters
    - use_test_throws_matchers
    - valid_regexps
    - void_checks