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+# Specify analysis options.
+#
+# Until there are meta linter rules, each desired lint must be explicitly enabled.
+# See: https://github.com/dart-lang/linter/issues/288
+#
+# 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
+#
+# NOTE: Please keep this file in sync with
+# https://github.com/flutter/flutter/blob/master/.analysis_options
+
+analyzer:
+ language:
+ enableStrictCallChecks: true
+ enableSuperMixins: true
+ enableAssertInitializer: true
+ 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
+ # allow having TODOs in the code
+ todo: ignore
+ exclude:
+ - 'bin/cache/**'
+ # the following two are relative to the stocks example and the flutter package respectively
+ # see https://github.com/dart-lang/sdk/issues/28463
+ - 'lib/i18n/stock_messages_*.dart'
+ - 'lib/src/http/**'
+
+linter:
+ rules:
+ # these rules are documented on and in the same order as
+ # the Dart Lint rules page to make maintenance easier
+ # http://dart-lang.github.io/linter/lints/
+
+ # === error rules ===
+ - avoid_empty_else
+ - avoid_slow_async_io
+ - cancel_subscriptions
+ # - close_sinks # https://github.com/flutter/flutter/issues/5789
+ # - comment_references # blocked on https://github.com/dart-lang/dartdoc/issues/1153
+ - control_flow_in_finally
+ - empty_statements
+ - hash_and_equals
+ # - invariant_booleans # https://github.com/flutter/flutter/issues/5790
+ - iterable_contains_unrelated_type
+ - list_remove_unrelated_type
+ # - literal_only_boolean_expressions # https://github.com/flutter/flutter/issues/5791
+ - no_adjacent_strings_in_list
+ - no_duplicate_case_values
+ - test_types_in_equals
+ - throw_in_finally
+ - unrelated_type_equality_checks
+ - valid_regexps
+
+ # === style rules ===
+ - always_declare_return_types
+ # - always_put_control_body_on_new_line
+ - always_require_non_null_named_parameters
+ - always_specify_types
+ - annotate_overrides
+ # - avoid_annotating_with_dynamic # not yet tested
+ - avoid_as
+ # - avoid_catches_without_on_clauses # not yet tested
+ # - avoid_catching_errors # not yet tested
+ # - avoid_classes_with_only_static_members # not yet tested
+ # - avoid_function_literals_in_foreach_calls # not yet tested
+ - avoid_init_to_null
+ - avoid_null_checks_in_equality_operators
+ # - avoid_positional_boolean_parameters # not yet tested
+ - avoid_return_types_on_setters
+ # - avoid_returning_null # not yet tested
+ # - avoid_returning_this # not yet tested
+ # - avoid_setters_without_getters # not yet tested
+ # - avoid_types_on_closure_parameters # not yet tested
+ - await_only_futures
+ - camel_case_types
+ # - cascade_invocations # not yet tested
+ # - constant_identifier_names # https://github.com/dart-lang/linter/issues/204
+ - directives_ordering
+ - empty_catches
+ - empty_constructor_bodies
+ - implementation_imports
+ # - join_return_with_assignment # not yet tested
+ - library_names
+ - library_prefixes
+ - 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_prefixed_library_names
+ # - parameter_assignments # we do this commonly
+ - prefer_adjacent_string_concatenation
+ - prefer_collection_literals
+ # - prefer_conditional_assignment # not yet tested
+ - prefer_const_constructors
+ # - prefer_constructors_over_static_methods # not yet tested
+ - prefer_contains
+ # - 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 # https://github.com/dart-lang/linter/issues/506
+ - prefer_final_locals
+ # - prefer_foreach # not yet tested
+ # - prefer_function_declarations_over_variables # not yet tested
+ - prefer_initializing_formals
+ # - prefer_interpolation_to_compose_strings # not yet tested
+ - prefer_is_empty
+ - prefer_is_not_empty
+ # - public_member_api_docs # this is the only difference from .analysis_options_repo
+ # - recursive_getters # https://github.com/dart-lang/linter/issues/452
+ - slash_for_doc_comments
+ - sort_constructors_first
+ - sort_unnamed_constructors_first
+ - super_goes_last
+ # - 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 # https://github.com/dart-lang/linter/issues/626 and https://github.com/dart-lang/linter/issues/627
+ - unnecessary_this
+ - 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
+
+ # === pub rules ===
+ - package_names
