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analysis_options.yaml
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analysis_options.yaml
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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: error
# allow having TODOs in the code
todo: ignore
exclude:
- 'bin/cache/**'
- 'lib/src/http/**'
# https://github.com/dart-lang/linter/blob/master/example/all.yaml
linter:
rules:
- always_declare_return_types
- annotate_overrides
- avoid_empty_else
- avoid_field_initializers_in_const_classes
# - avoid_function_literals_in_foreach_calls
- avoid_init_to_null
- avoid_null_checks_in_equality_operators
- avoid_relative_lib_imports
- avoid_renaming_method_parameters
- avoid_return_types_on_setters
- avoid_slow_async_io
- await_only_futures
# - camel_case_types
- cancel_subscriptions
- control_flow_in_finally
- directives_ordering
- empty_catches
- empty_constructor_bodies
- empty_statements
- hash_and_equals
- implementation_imports
- collection_methods_unrelated_type
- library_names
- library_prefixes
- no_duplicate_case_values
- 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_contains
- prefer_final_fields
# - prefer_foreach
- prefer_generic_function_type_aliases
- prefer_initializing_formals
- prefer_is_empty
- prefer_is_not_empty
- prefer_typing_uninitialized_variables
- recursive_getters
- slash_for_doc_comments
- sort_unnamed_constructors_first
- test_types_in_equals
- throw_in_finally
- type_init_formals
- unnecessary_brace_in_string_interps
- unnecessary_getters_setters
- unnecessary_null_aware_assignments
- unnecessary_null_in_if_null_operators
- unnecessary_overrides
- unnecessary_this
- unrelated_type_equality_checks
- use_rethrow_when_possible
- valid_regexps
# - unnecessary_new
# - unnecessary_const
# - non_constant_identifier_names
# - 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_specify_types
# - 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_js_rounded_ints # only useful when targeting JS runtime
# - 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_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_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
# - 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
# - invariant_booleans # https://github.com/flutter/flutter/issues/5790
# - join_return_with_assignment # not yet tested
# - literal_only_boolean_expressions # https://github.com/flutter/flutter/issues/5791
# - no_adjacent_strings_in_list
# - 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
# - parameter_assignments # we do this commonly
# - prefer_const_literals_to_create_immutables
# - prefer_constructors_over_static_methods # not yet tested
# - 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_locals
# - prefer_function_declarations_over_variables # not yet tested
# - prefer_interpolation_to_compose_strings # not yet tested
# - prefer_iterable_whereType # https://github.com/dart-lang/sdk/issues/32463
# - prefer_single_quotes
# - sort_constructors_first
# - type_annotate_public_apis # subset of always_specify_types
# - unawaited_futures # https://github.com/flutter/flutter/issues/5793
# - unnecessary_lambdas # https://github.com/dart-lang/linter/issues/498
# - unnecessary_parenthesis
# - unnecessary_statements # not yet tested
# - 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
# - void_checks # not yet tested