analysis_options.yaml

# Specify analysis options.
#
# For a list of lints, see: http://dart-lang.github.io/linter/lints/
# See the configuration guide for more
# https://github.com/dart-lang/sdk/tree/master/pkg/analyzer#configuring-the-analyzer
#
# There are four similar analysis options files in the flutter repos:
#   - analysis_options.yaml
#   - packages/flutter/lib/analysis_options_user.yaml (this file)
#   - https://github.com/flutter/plugins/blob/master/analysis_options.yaml
#   - https://github.com/flutter/engine/blob/master/analysis_options.yaml
#
analyzer:
  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
  exclude:
    - "**.g.dart"

linter:
  rules:
    - always_declare_return_types
    - avoid_double_and_int_checks
    - avoid_empty_else
    - avoid_slow_async_io
    - avoid_print
    - avoid_init_to_null
    - avoid_relative_lib_imports
    - avoid_return_types_on_setters
    - avoid_returning_null_for_future
    - avoid_types_as_parameter_names
    - await_only_futures
    - camel_case_types
    - cancel_subscriptions
    - close_sinks
    - control_flow_in_finally
    - empty_constructor_bodies
    - empty_statements
    - file_names
    - hash_and_equals
    - implementation_imports
    - library_names
    - lines_longer_than_80_chars
    - 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_const_constructors_in_immutables
    - prefer_contains
    - prefer_constructors_over_static_methods
    - prefer_conditional_assignment
    - prefer_final_fields
    - prefer_final_in_for_each
    - prefer_final_locals
    - prefer_foreach
    - prefer_is_not_empty
    - prefer_is_empty
    - prefer_if_null_operators
    - prefer_interpolation_to_compose_strings
    - prefer_iterable_whereType
    - prefer_spread_collections
    - prefer_single_quotes
    - slash_for_doc_comments
    - test_types_in_equals
    - throw_in_finally
    - type_init_formals
    - unawaited_futures
    - unnecessary_await_in_return
    - unnecessary_brace_in_string_interps
    - unnecessary_const
    - unnecessary_getters_setters
    - unnecessary_new
    - unnecessary_statements
    - unnecessary_this
    - unnecessary_overrides
    - unnecessary_parenthesis
    - unnecessary_lambdas
    - unrelated_type_equality_checks
    - use_to_and_as_if_applicable
    - use_function_type_syntax_for_parameters
    - use_full_hex_values_for_flutter_colors
    - valid_regexps
    - void_checks