Useful flutter list rules

analysis_options.yaml

# https://www.dartlang.org/guides/language/analysis-options
include: package:pedantic/analysis_options.yaml

analyzer:
  strong-mode:
    implicit-dynamic: false
  errors:
    # treat missing required parameters as a warning (not a hint)
    missing_required_param: warning
    # treat missing returns as a warning (not a hint)
    missing_return: 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_require_non_null_named_parameters
    - avoid_bool_literals_in_conditional_expressions
    - avoid_catches_without_on_clauses
    - avoid_catching_errors
    - avoid_classes_with_only_static_members
    - avoid_empty_else
    - avoid_init_to_null
    - avoid_relative_lib_imports
    - avoid_return_types_on_setters
    - avoid_returning_null_for_void
    - avoid_setters_without_getters
    - avoid_shadowing_type_parameters
    - avoid_single_cascade_in_expression_statements
    - avoid_types_as_parameter_names
    - avoid_unused_constructor_parameters
    - avoid_void_async
    - await_only_futures
    - camel_case_types
    - cancel_subscriptions
    - close_sinks
    - curly_braces_in_flow_control_structures
    - directives_ordering
    - empty_catches
    - empty_constructor_bodies
    - empty_statements
    - file_names
    - flutter_style_todos
    - hash_and_equals
    - literal_only_boolean_expressions
    - no_duplicate_case_values
    - non_constant_identifier_names
    - null_closures
    - overridden_fields
    - package_api_docs
    - package_names
    - package_prefixed_library_names
    - parameter_assignments
    - prefer_adjacent_string_concatenation
    - prefer_asserts_in_initializer_lists
    - prefer_collection_literals
    - prefer_conditional_assignment
    - prefer_const_declarations
    - prefer_const_literals_to_create_immutables
    - prefer_constructors_over_static_methods
    - 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_int_literals
    - prefer_interpolation_to_compose_strings
    - prefer_is_empty
    - prefer_is_not_empty
    - prefer_iterable_whereType
    - prefer_null_aware_operators
    - prefer_spread_collections
    - prefer_typing_uninitialized_variables
    - prefer_void_to_null
    - recursive_getters
    - slash_for_doc_comments
    - sort_child_properties_last
    - sort_pub_dependencies
    - test_types_in_equals
    - type_init_formals
    - unnecessary_statements
    - unawaited_futures
    - unnecessary_await_in_return
    - unnecessary_const
    - unnecessary_lambdas
    - unnecessary_new
    - unnecessary_null_aware_assignments
    - unnecessary_null_in_if_null_operators
    - unnecessary_overrides
    - unnecessary_parenthesis
    - unnecessary_this
    - use_full_hex_values_for_flutter_colors
    - use_function_type_syntax_for_parameters
    - use_rethrow_when_possible
    - use_setters_to_change_properties
    - use_string_buffers
    - use_to_and_as_if_applicable
    - valid_regexps
    - void_checks