Rule Directory

Default Rules

• attribute_name_spacing: Attribute Name Spacing
• blanket_disable_command: Blanket Disable Command
• block_based_kvo: Block Based KVO
• class_delegate_protocol: Class Delegate Protocol
• closing_brace: Closing Brace Spacing
• closure_parameter_position: Closure Parameter Position
• colon: Colon Spacing
• comma: Comma Spacing
• comment_spacing: Comment Spacing
• compiler_protocol_init: Compiler Protocol Init
• computed_accessors_order: Computed Accessors Order
• control_statement: Control Statement
• custom_rules: Custom Rules
• cyclomatic_complexity: Cyclomatic Complexity
• deployment_target: Deployment Target
• discouraged_direct_init: Discouraged Direct Initialization
• duplicate_conditions: Duplicate Conditions
• duplicate_enum_cases: Duplicate Enum Cases
• duplicate_imports: Duplicate Imports
• duplicated_key_in_dictionary_literal: Duplicated Key in Dictionary Literal
• dynamic_inline: Dynamic Inline
• empty_enum_arguments: Empty Enum Arguments
• empty_parameters: Empty Parameters
• empty_parentheses_with_trailing_closure: Empty Parentheses with Trailing Closure
• file_length: File Length
• for_where: Prefer For-Where
• force_cast: Force Cast
• force_try: Force Try
• function_body_length: Function Body Length
• function_parameter_count: Function Parameter Count
• generic_type_name: Generic Type Name
• identifier_name: Identifier Name
• implicit_getter: Implicit Getter
• inclusive_language: Inclusive Language
• invalid_swiftlint_command: Invalid SwiftLint Command
• is_disjoint: Is Disjoint
• large_tuple: Large Tuple
• leading_whitespace: Leading Whitespace
• legacy_cggeometry_functions: Legacy CGGeometry Functions
• legacy_constant: Legacy Constant
• legacy_constructor: Legacy Constructor
• legacy_hashing: Legacy Hashing
• legacy_nsgeometry_functions: Legacy NSGeometry Functions
• legacy_random: Legacy Random
• line_length: Line Length
• mark: Mark
• multiple_closures_with_trailing_closure: Multiple Closures with Trailing Closure
• nesting: Nesting
• no_fallthrough_only: No Fallthrough only
• no_space_in_method_call: No Space in Method Call
• non_optional_string_data_conversion: Non-optional String -> Data Conversion
• notification_center_detachment: Notification Center Detachment
• ns_number_init_as_function_reference: NSNumber Init as Function Reference
• nsobject_prefer_isequal: NSObject Prefer isEqual
• opening_brace: Opening Brace Spacing
• operator_whitespace: Operator Function Whitespace
• optional_data_string_conversion: Optional Data -> String Conversion
• orphaned_doc_comment: Orphaned Doc Comment
• prefer_type_checking: Prefer Type Checking
• private_over_fileprivate: Private over Fileprivate
• private_unit_test: Private Unit Test
• protocol_property_accessors_order: Protocol Property Accessors Order
• reduce_boolean: Reduce Boolean
• redundant_discardable_let: Redundant Discardable Let
• redundant_objc_attribute: Redundant @objc Attribute
• redundant_optional_initialization: Redundant Optional Initialization
• redundant_set_access_control: Redundant Access Control for Setter
• redundant_string_enum_value: Redundant String Enum Value
• redundant_void_return: Redundant Void Return
• return_arrow_whitespace: Returning Whitespace
• self_in_property_initialization: Self in Property Initialization
• shorthand_operator: Shorthand Operator
• statement_position: Statement Position
• static_over_final_class: Static Over Final Class
• superfluous_disable_command: Superfluous Disable Command
• switch_case_alignment: Switch and Case Statement Alignment
• syntactic_sugar: Syntactic Sugar
• todo: Todo
• trailing_comma: Trailing Comma
• trailing_newline: Trailing Newline
• trailing_semicolon: Trailing Semicolon
• trailing_whitespace: Trailing Whitespace
• type_body_length: Type Body Length
• type_name: Type Name
• unavailable_condition: Unavailable Condition
• unneeded_break_in_switch: Unneeded Break in Switch
• unneeded_override: Unneeded Overridden Functions
• unneeded_synthesized_initializer: Unneeded Synthesized Initializer
• unused_closure_parameter: Unused Closure Parameter
• unused_control_flow_label: Unused Control Flow Label
• unused_enumerated: Unused Enumerated
• unused_optional_binding: Unused Optional Binding
• unused_setter_value: Unused Setter Value
• valid_ibinspectable: Valid IBInspectable
• vertical_parameter_alignment: Vertical Parameter Alignment
• vertical_whitespace: Vertical Whitespace
• void_function_in_ternary: Void Function in Ternary
• void_return: Void Return
• xctfail_message: XCTFail Message

Opt-in Rules

• accessibility_label_for_image: Accessibility Label for Image
• accessibility_trait_for_button: Accessibility Trait for Button
• anonymous_argument_in_multiline_closure: Anonymous Argument in Multiline Closure
• array_init: Array Init
• attributes: Attributes
• balanced_xctest_lifecycle: Balanced XCTest Life Cycle
• closure_body_length: Closure Body Length
• closure_end_indentation: Closure End Indentation
• closure_spacing: Closure Spacing
• collection_alignment: Collection Element Alignment
• comma_inheritance: Comma Inheritance Rule
• conditional_returns_on_newline: Conditional Returns on Newline
• contains_over_filter_count: Contains over Filter Count
• contains_over_filter_is_empty: Contains over Filter is Empty
• contains_over_first_not_nil: Contains over First not Nil
• contains_over_range_nil_comparison: Contains over Range Comparison to Nil
• contrasted_opening_brace: Contrasted Opening Brace
• convenience_type: Convenience Type
• direct_return: Direct Return
• discarded_notification_center_observer: Discarded Notification Center Observer
• discouraged_assert: Discouraged Assert
• discouraged_none_name: Discouraged None Name
• discouraged_object_literal: Discouraged Object Literal
• discouraged_optional_boolean: Discouraged Optional Boolean
• discouraged_optional_collection: Discouraged Optional Collection
• empty_collection_literal: Empty Collection Literal
• empty_count: Empty Count
• empty_string: Empty String
• empty_xctest_method: Empty XCTest Method
• enum_case_associated_values_count: Enum Case Associated Values Count
• expiring_todo: Expiring Todo
• explicit_acl: Explicit ACL
• explicit_enum_raw_value: Explicit Enum Raw Value
• explicit_init: Explicit Init
• explicit_top_level_acl: Explicit Top Level ACL
• explicit_type_interface: Explicit Type Interface
• extension_access_modifier: Extension Access Modifier
• fallthrough: Fallthrough
• fatal_error_message: Fatal Error Message
• file_header: File Header
• file_name: File Name
• file_name_no_space: File Name no Space
• file_types_order: File Types Order
• final_test_case: Final Test Case
• first_where: First Where
• flatmap_over_map_reduce: Flat Map over Map Reduce
• force_unwrapping: Force Unwrapping
• function_default_parameter_at_end: Function Default Parameter at End
• ibinspectable_in_extension: IBInspectable in Extension
• identical_operands: Identical Operands
• implicit_return: Implicit Return
• implicitly_unwrapped_optional: Implicitly Unwrapped Optional
• indentation_width: Indentation Width
• inert_defer: Inert Defer
• joined_default_parameter: Joined Default Parameter
• last_where: Last Where
• legacy_multiple: Legacy Multiple
• legacy_objc_type: Legacy Objective-C Reference Type
• let_var_whitespace: Variable Declaration Whitespace
• literal_expression_end_indentation: Literal Expression End Indentation
• local_doc_comment: Local Doc Comment
• lower_acl_than_parent: Lower ACL than Parent
• missing_docs: Missing Docs
• modifier_order: Modifier Order
• multiline_arguments: Multiline Arguments
• multiline_arguments_brackets: Multiline Arguments Brackets
• multiline_function_chains: Multiline Function Chains
• multiline_literal_brackets: Multiline Literal Brackets
• multiline_parameters: Multiline Parameters
• multiline_parameters_brackets: Multiline Parameters Brackets
• nimble_operator: Nimble Operator
• no_empty_block: No Empty Block
• no_extension_access_modifier: No Extension Access Modifier
• no_grouping_extension: No Grouping Extension
• no_magic_numbers: No Magic Numbers
• non_overridable_class_declaration: Class Declaration in Final Class
• nslocalizedstring_key: NSLocalizedString Key
• nslocalizedstring_require_bundle: NSLocalizedString Require Bundle
• number_separator: Number Separator
• object_literal: Object Literal
• one_declaration_per_file: One Declaration per File
• operator_usage_whitespace: Operator Usage Whitespace
• optional_enum_case_matching: Optional Enum Case Match
• overridden_super_call: Overridden Method Calls Super
• override_in_extension: Override in Extension
• pattern_matching_keywords: Pattern Matching Keywords
• period_spacing: Period Spacing
• prefer_key_path: Prefer Key Path
• prefer_nimble: Prefer Nimble
• prefer_self_in_static_references: Prefer Self in Static References
• prefer_self_type_over_type_of_self: Prefer Self Type Over Type of Self
• prefer_zero_over_explicit_init: Prefer Zero Over Explicit Init
• prefixed_toplevel_constant: Prefixed Top-Level Constant
• private_action: Private Actions
• private_outlet: Private Outlets
• private_subject: Private Combine Subject
• private_swiftui_state: Private SwiftUI State Properties
• prohibited_interface_builder: Prohibited Interface Builder
• prohibited_super_call: Prohibited Calls to Super
• quick_discouraged_call: Quick Discouraged Call
• quick_discouraged_focused_test: Quick Discouraged Focused Test
• quick_discouraged_pending_test: Quick Discouraged Pending Test
• raw_value_for_camel_cased_codable_enum: Raw Value for Camel Cased Codable Enum
• reduce_into: Reduce into
• redundant_nil_coalescing: Redundant Nil Coalescing
• redundant_self_in_closure: Redundant Self in Closure
• redundant_type_annotation: Redundant Type Annotation
• required_deinit: Required Deinit
• required_enum_case: Required Enum Case
• return_value_from_void_function: Return Value from Void Function
• self_binding: Self Binding
• shorthand_argument: Shorthand Argument
• shorthand_optional_binding: Shorthand Optional Binding
• single_test_class: Single Test Class
• sorted_enum_cases: Sorted Enum Cases
• sorted_first_last: Min or Max over Sorted First or Last
• sorted_imports: Sorted Imports
• static_operator: Static Operator
• strict_fileprivate: Strict Fileprivate
• strong_iboutlet: Strong IBOutlet
• superfluous_else: Superfluous Else
• switch_case_on_newline: Cases on Newline
• test_case_accessibility: Test Case Accessibility
• toggle_bool: Toggle Bool
• trailing_closure: Trailing Closure
• type_contents_order: Type Contents Order
• unavailable_function: Unavailable Function
• unhandled_throwing_task: Unhandled Throwing Task
• unneeded_parentheses_in_closure_argument: Unneeded Parentheses in Closure Argument
• unowned_variable_capture: Unowned Variable Capture
• untyped_error_in_catch: Untyped Error in Catch
• unused_capture_list: Unused Capture List
• unused_parameter: Unused Parameter
• vertical_parameter_alignment_on_call: Vertical Parameter Alignment on Call
• vertical_whitespace_between_cases: Vertical Whitespace Between Cases
• vertical_whitespace_closing_braces: Vertical Whitespace before Closing Braces
• vertical_whitespace_opening_braces: Vertical Whitespace after Opening Braces
• weak_delegate: Weak Delegate
• xct_specific_matcher: XCTest Specific Matcher
• yoda_condition: Yoda Condition

Analyzer Rules

• capture_variable: Capture Variable
• explicit_self: Explicit Self
• typesafe_array_init: Type-safe Array Init
• unused_declaration: Unused Declaration
• unused_import: Unused Import