analysis_options.yaml

analyzer:
  strong-mode:
    implicit-casts: true
    implicit-dynamic: true
  errors:
    # treat missing required parameters as a warning (not a hint)
    missing_required_param: warning
    avoid_relative_lib_imports: warning
    avoid_renaming_method_parameters: warning
    avoid_as: warning
    avoid_returning_null: warning
    always_put_required_named_parameters_first: warning
    empty_catches: warning
    join_return_with_assignment: warning
    overridden_fields: warning
    parameter_assignments: warning
    prefer_adjacent_string_concatenation: warning
    prefer_collection_literals: warning
    prefer_conditional_assignment: warning
    prefer_expression_function_bodies: warning
    prefer_foreach: warning
    prefer_initializing_formals: warning
    prefer_single_quotes: warning
    # public_member_api_docs: warning
    type_init_formals: warning
    unnecessary_null_aware_assignments: warning
    unnecessary_null_in_if_null_operators: warning
    unnecessary_this: warning
    use_setters_to_change_properties: warning
    avoid_empty_else: error
    empty_statements: error
    unnecessary_statements: error
    avoid_bool_literals_in_conditional_expressions: error
    avoid_double_and_int_checks: error
    avoid_function_literals_in_foreach_calls: error
    avoid_init_to_null: error
    avoid_null_checks_in_equality_operators: error
    avoid_positional_boolean_parameters: error
    avoid_return_types_on_setters: error
    avoid_single_cascade_in_expression_statements: error
    avoid_unused_constructor_parameters: error
    avoid_void_async: error
    await_only_futures: error
    camel_case_types: error
    constant_identifier_names: error
    curly_braces_in_flow_control_structures: warning
    directives_ordering: error
    empty_constructor_bodies: error
    flutter_style_todos: error # http://dart-lang.github.io/linter/lints/flutter_style_todos.html
    library_prefixes: error
    lines_longer_than_80_chars: warning
    non_constant_identifier_names: error
    only_throw_errors: error
    prefer_contains: error
    prefer_equal_for_default_values: error
    prefer_final_fields: error
    prefer_final_locals: error
    prefer_interpolation_to_compose_strings: error
    prefer_is_empty: error
    prefer_is_not_empty: error
    recursive_getters: error
    slash_for_doc_comments: error
    # type_annotate_public_apis: warning
    unnecessary_brace_in_string_interps: error
    unnecessary_getters_setters: error
    unnecessary_lambdas: error
    unnecessary_new: warning
    # cascade_invocations: error
    # always_specify_types: error
    # file_names: error
    # library_names

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_specify_types
    # - annotate_overrides
    # - avoid_as
    - avoid_empty_else
    - avoid_relative_lib_imports
    - empty_statements
    - no_duplicate_case_values
    - unnecessary_statements
    - always_put_required_named_parameters_first
    - avoid_as
    - avoid_bool_literals_in_conditional_expressions
    - avoid_double_and_int_checks
    - avoid_function_literals_in_foreach_calls
    - avoid_init_to_null
    - avoid_null_checks_in_equality_operators
    - avoid_positional_boolean_parameters
    - avoid_renaming_method_parameters
    - avoid_return_types_on_setters
    - avoid_returning_null
    - avoid_single_cascade_in_expression_statements
    - avoid_unused_constructor_parameters
    - avoid_void_async
    - await_only_futures
    - camel_case_types
    - constant_identifier_names
    - curly_braces_in_flow_control_structures
    - directives_ordering
    - empty_catches
    - empty_constructor_bodies
    - flutter_style_todos # http://dart-lang.github.io/linter/lints/flutter_style_todos.html
    - join_return_with_assignment
    - library_prefixes
    - lines_longer_than_80_chars
    - non_constant_identifier_names
    - only_throw_errors # http://dart-lang.github.io/linter/lints/only_throw_errors.html
    - overridden_fields
    - parameter_assignments
    - prefer_adjacent_string_concatenation
    - prefer_collection_literals
    - prefer_conditional_assignment
    - prefer_const_declarations # http://dart-lang.github.io/linter/lints/prefer_const_declarations.html
    - prefer_contains
    - prefer_equal_for_default_values
    - prefer_expression_function_bodies
    - prefer_final_fields
    - prefer_final_locals
    - prefer_foreach
    - prefer_initializing_formals
    - prefer_interpolation_to_compose_strings
    - prefer_is_empty
    - prefer_is_not_empty
    - prefer_single_quotes
    # - public_member_api_docs
    - recursive_getters
    - slash_for_doc_comments
    # - type_annotate_public_apis
    - type_init_formals
    - unnecessary_brace_in_string_interps
    - unnecessary_getters_setters
    - unnecessary_lambdas
    - unnecessary_new
    - unnecessary_null_aware_assignments
    - unnecessary_null_in_if_null_operators
    - unnecessary_this
    - use_setters_to_change_properties
    # - cascade_invocations
    # - always_specify_types
    # - file_names http://dart-lang.github.io/linter/lints/file_names.html
    # - library_names http://dart-lang.github.io/linter/lints/library_names.html