rubocop.yml

require:
  - rubocop-performance

AllCops:
  # Prevent RuboCop from exploding when it finds an older-than-2.3 .ruby-version
  TargetRubyVersion: 2.5
  DisabledByDefault: true
  Exclude: []

Bundler/DuplicatedGem:
  Enabled: true
  Include:
    - '**/*.gemfile'
    - '**/Gemfile'
    - '**/gems.rb'

Bundler/InsecureProtocolSource:
  Enabled: true
  Include:
    - '**/*.gemfile'
    - '**/Gemfile'
    - '**/gems.rb'

Gemspec/DuplicatedAssignment:
  Enabled: true
  Include:
    - '**/*.gemspec'

Layout/AccessModifierIndentation:
  Enabled: true
  EnforcedStyle: indent
  IndentationWidth: ~

Layout/AlignArray:
  Enabled: true

Layout/AlignHash:
  Enabled: true
  EnforcedHashRocketStyle: key
  EnforcedColonStyle: key
  EnforcedLastArgumentHashStyle: always_inspect

Layout/AlignParameters:
  Enabled: true
  EnforcedStyle: with_fixed_indentation
  IndentationWidth: ~

Layout/BlockAlignment:
  Enabled: true
  EnforcedStyleAlignWith: either

Layout/BlockEndNewline:
  Enabled: true

# Disabled because IndentOneStep can't be configured for one-liner cases. See:
# https://github.com/rubocop-hq/rubocop/issues/6447
# Layout/CaseIndentation:
  # Enabled: true

Layout/ClosingHeredocIndentation:
  Enabled: true

Layout/ClosingParenthesisIndentation:
  Enabled: true

Layout/CommentIndentation:
  Enabled: true

Layout/ConditionPosition:
  Enabled: true

Layout/DefEndAlignment:
  Enabled: true
  EnforcedStyleAlignWith: start_of_line
  AutoCorrect: false
  Severity: warning

Layout/DotPosition:
  Enabled: true
  EnforcedStyle: leading

Layout/ElseAlignment:
  Enabled: true

Layout/EmptyComment:
  Enabled: true
  AllowBorderComment: true
  AllowMarginComment: true

Layout/EmptyLineAfterMagicComment:
  Enabled: true

Layout/EmptyLineBetweenDefs:
  Enabled: true
  AllowAdjacentOneLineDefs: false
  NumberOfEmptyLines: 1

Layout/EmptyLines:
  Enabled: true

Layout/EmptyLinesAroundAccessModifier:
  Enabled: true

Layout/EmptyLinesAroundArguments:
  Enabled: true

Layout/EmptyLinesAroundBeginBody:
  Enabled: true

Layout/EmptyLinesAroundBlockBody:
  Enabled: true
  EnforcedStyle: no_empty_lines

Layout/EmptyLinesAroundClassBody:
  Enabled: true
  EnforcedStyle: no_empty_lines

Layout/EmptyLinesAroundExceptionHandlingKeywords:
  Enabled: true

Layout/EmptyLinesAroundMethodBody:
  Enabled: true

Layout/EmptyLinesAroundModuleBody:
  Enabled: true
  EnforcedStyle: no_empty_lines

Layout/EndAlignment:
  Enabled: true
  AutoCorrect: true
  EnforcedStyleAlignWith: variable
  Severity: warning

Layout/EndOfLine:
  Enabled: true
  EnforcedStyle: native

Layout/ExtraSpacing:
  Enabled: true
  AllowForAlignment: false
  AllowBeforeTrailingComments: false
  ForceEqualSignAlignment: false

Layout/IndentFirstArgument:
  Enabled: true
  EnforcedStyle: consistent
  IndentationWidth: ~

Layout/IndentFirstArrayElement:
  Enabled: true
  EnforcedStyle: consistent
  IndentationWidth: ~

Layout/IndentAssignment:
  Enabled: true
  IndentationWidth: ~

Layout/IndentFirstHashElement:
  Enabled: true
  EnforcedStyle: consistent
  IndentationWidth: ~

Layout/IndentHeredoc:
  Enabled: true
  EnforcedStyle: squiggly

Layout/IndentationConsistency:
  Enabled: true
  EnforcedStyle: normal

Layout/IndentationWidth:
  Enabled: true
  Width: 2
  IgnoredPatterns: []

Layout/InitialIndentation:
  Enabled: true

Layout/LeadingBlankLines:
  Enabled: true

Layout/LeadingCommentSpace:
  Enabled: true

Layout/MultilineArrayBraceLayout:
  Enabled: true
  EnforcedStyle: symmetrical

Layout/MultilineBlockLayout:
  Enabled: true

Layout/MultilineHashBraceLayout:
  Enabled: true
  EnforcedStyle: symmetrical

Layout/MultilineMethodCallBraceLayout:
  Enabled: true
  EnforcedStyle: symmetrical

Layout/MultilineMethodCallIndentation:
  Enabled: true
  EnforcedStyle: indented
  IndentationWidth: ~

Layout/MultilineMethodDefinitionBraceLayout:
  Enabled: true
  EnforcedStyle: symmetrical

Layout/MultilineOperationIndentation:
  Enabled: true
  EnforcedStyle: indented
  IndentationWidth: ~

Layout/RescueEnsureAlignment:
  Enabled: true

Layout/SpaceAfterColon:
  Enabled: true

Layout/SpaceAfterComma:
  Enabled: true

Layout/SpaceAfterMethodName:
  Enabled: true

Layout/SpaceAfterNot:
  Enabled: true

Layout/SpaceAfterSemicolon:
  Enabled: true

Layout/SpaceAroundBlockParameters:
  Enabled: true
  EnforcedStyleInsidePipes: no_space

Layout/SpaceAroundEqualsInParameterDefault:
  Enabled: true
  EnforcedStyle: space

Layout/SpaceAroundKeyword:
  Enabled: true

Layout/SpaceAroundOperators:
  Enabled: true
  AllowForAlignment: true

Layout/SpaceBeforeBlockBraces:
  Enabled: true
  EnforcedStyle: space
  EnforcedStyleForEmptyBraces: space

Layout/SpaceBeforeComma:
  Enabled: true

Layout/SpaceBeforeComment:
  Enabled: true

Layout/SpaceBeforeFirstArg:
  Enabled: true
  AllowForAlignment: true

Layout/SpaceBeforeSemicolon:
  Enabled: true

Layout/SpaceInLambdaLiteral:
  Enabled: true
  EnforcedStyle: require_no_space

Layout/SpaceInsideArrayLiteralBrackets:
  Enabled: true
  EnforcedStyle: no_space
  EnforcedStyleForEmptyBrackets: no_space

Layout/SpaceInsideArrayPercentLiteral:
  Enabled: true

Layout/SpaceInsideBlockBraces:
  Enabled: true
  EnforcedStyle: space
  EnforcedStyleForEmptyBraces: no_space
  SpaceBeforeBlockParameters: true

Layout/SpaceInsideHashLiteralBraces:
  Enabled: true
  EnforcedStyle: no_space
  EnforcedStyleForEmptyBraces: no_space

Layout/SpaceInsideParens:
  Enabled: true
  EnforcedStyle: no_space

Layout/SpaceInsidePercentLiteralDelimiters:
  Enabled: true

Layout/SpaceInsideRangeLiteral:
  Enabled: true

Layout/SpaceInsideReferenceBrackets:
  Enabled: true
  EnforcedStyle: no_space
  EnforcedStyleForEmptyBrackets: no_space

Layout/SpaceInsideStringInterpolation:
  Enabled: true
  EnforcedStyle: no_space

Layout/Tab:
  Enabled: true
  IndentationWidth: ~

Layout/TrailingBlankLines:
  Enabled: true
  EnforcedStyle: final_newline

Layout/TrailingWhitespace:
  Enabled: true
  AllowInHeredoc: false

Lint/AmbiguousOperator:
  Enabled: true

Lint/AmbiguousRegexpLiteral:
  Enabled: true

Lint/AssignmentInCondition:
  Enabled: true
  AllowSafeAssignment: true

Lint/BigDecimalNew:
  Enabled: true

Lint/BooleanSymbol:
  Enabled: true

Lint/CircularArgumentReference:
  Enabled: true

Lint/Debugger:
  Enabled: true

Lint/DeprecatedClassMethods:
  Enabled: true

Lint/DuplicateCaseCondition:
  Enabled: true

Lint/DuplicateMethods:
  Enabled: true

Lint/DuplicatedKey:
  Enabled: true

Lint/EachWithObjectArgument:
  Enabled: true

Lint/ElseLayout:
  Enabled: true

Lint/EmptyEnsure:
  Enabled: true
  AutoCorrect: false

Lint/EmptyExpression:
  Enabled: true

Lint/EmptyInterpolation:
  Enabled: true

Lint/EmptyWhen:
  Enabled: true

Lint/EndInMethod:
  Enabled: true

Lint/EnsureReturn:
  Enabled: true

Lint/ErbNewArguments:
  Enabled: true

Lint/FlipFlop:
  Enabled: true

Lint/FloatOutOfRange:
  Enabled: true

Lint/FormatParameterMismatch:
  Enabled: true

Lint/ImplicitStringConcatenation:
  Enabled: true

Lint/IneffectiveAccessModifier:
  Enabled: true

Lint/InheritException:
  Enabled: true
  EnforcedStyle: runtime_error

Lint/InterpolationCheck:
  Enabled: true

Lint/LiteralAsCondition:
  Enabled: true

Lint/LiteralInInterpolation:
  Enabled: true

Lint/Loop:
  Enabled: true

Lint/MissingCopEnableDirective:
  Enabled: true
  MaximumRangeSize: .inf

Lint/MultipleCompare:
  Enabled: true

Lint/NestedMethodDefinition:
  Enabled: true

Lint/NestedPercentLiteral:
  Enabled: true

Lint/NextWithoutAccumulator:
  Enabled: true

Lint/NonLocalExitFromIterator:
  Enabled: true

Lint/OrderedMagicComments:
  Enabled: true

Lint/ParenthesesAsGroupedExpression:
  Enabled: true

Lint/PercentSymbolArray:
  Enabled: true

Lint/RandOne:
  Enabled: true

Lint/RedundantWithIndex:
  Enabled: true

Lint/RedundantWithObject:
  Enabled: true

Lint/RegexpAsCondition:
  Enabled: true

Lint/RequireParentheses:
  Enabled: true

Lint/RescueException:
  Enabled: true

Lint/RescueType:
  Enabled: true

Lint/ReturnInVoidContext:
  Enabled: true

Lint/SafeNavigationChain:
  Enabled: true
  Whitelist:
    - present?
    - blank?
    - presence
    - try
    - try!

Lint/SafeNavigationConsistency:
  Enabled: true
  Whitelist:
    - present?
    - blank?
    - presence
    - try
    - try!

Lint/ShadowedArgument:
  Enabled: true
  IgnoreImplicitReferences: false

Lint/ShadowedException:
  Enabled: true

Lint/StringConversionInInterpolation:
  Enabled: true

Lint/Syntax:
  Enabled: true

Lint/UnderscorePrefixedVariableName:
  Enabled: true

Lint/UnifiedInteger:
  Enabled: true

Lint/UnneededRequireStatement:
  Enabled: true

Lint/UnneededSplatExpansion:
  Enabled: true

Lint/UnreachableCode:
  Enabled: true

Lint/UriEscapeUnescape:
  Enabled: true

Lint/UriRegexp:
  Enabled: true

Lint/UselessAssignment:
  Enabled: true

Lint/UselessComparison:
  Enabled: true

Lint/UselessElseWithoutRescue:
  Enabled: true

Lint/UselessSetterCall:
  Enabled: true

Lint/Void:
  Enabled: true
  CheckForMethodsWithNoSideEffects: false

Naming/AccessorMethodName:
  Enabled: true

Naming/AsciiIdentifiers:
  Enabled: true

Naming/BinaryOperatorParameterName:
  Enabled: true

Naming/ClassAndModuleCamelCase:
  Enabled: true

Naming/ConstantName:
  Enabled: true

Naming/HeredocDelimiterCase:
  Enabled: true
  EnforcedStyle: uppercase

Naming/MethodName:
  Enabled: true
  EnforcedStyle: snake_case

Naming/UncommunicativeBlockParamName:
  Enabled: true
  MinNameLength: 1
  AllowNamesEndingInNumbers: true
  AllowedNames: []
  ForbiddenNames: []

Naming/VariableName:
  Enabled: true
  EnforcedStyle: snake_case

Performance/Caller:
  Enabled: true

Performance/CompareWithBlock:
  Enabled: true

Performance/Count:
  Enabled: true
  SafeMode: true

Performance/Detect:
  Enabled: true
  SafeMode: true

Performance/DoubleStartEndWith:
  Enabled: true
  IncludeActiveSupportAliases: false

Performance/EndWith:
  Enabled: true
  SafeAutoCorrect: false
  AutoCorrect: false

Performance/FixedSize:
  Enabled: true

Performance/FlatMap:
  Enabled: true
  EnabledForFlattenWithoutParams: false

Performance/InefficientHashSearch:
  Enabled: true
  Safe: false

Performance/RangeInclude:
  Enabled: true
  Safe: false

Performance/RedundantMatch:
  Enabled: true

Performance/RedundantMerge:
  Enabled: true
  MaxKeyValuePairs: 2

Performance/RegexpMatch:
  Enabled: true

Performance/ReverseEach:
  Enabled: true

Performance/Size:
  Enabled: true

Performance/StartWith:
  Enabled: true
  SafeAutoCorrect: false
  AutoCorrect: false

Performance/StringReplacement:
  Enabled: true

Performance/UnfreezeString:
  Enabled: true

Performance/UriDefaultParser:
  Enabled: true

Security/Eval:
  Enabled: true

Security/JSONLoad:
  Enabled: true
  AutoCorrect: false
  SafeAutoCorrect: false

Security/Open:
  Enabled: true
  Safe: false

Security/YAMLLoad:
  Enabled: true
  SafeAutoCorrect: false


Standard/SemanticBlocks:
  ProceduralMethods:
    - benchmark
    - bm
    - bmbm
    - tap
    # Enumerable
    - cycle
    - each
    - each_cons
    - each_entry
    - each_slice
    - each_with_index
    # Rails
    - transaction
  FunctionalMethods:
    - let
    - let!
    - subject
    - watch
    - Given
    - Given!
    - Invariant
    - Then
    - And
  IgnoredMethods:
    - lambda
    - proc
    - describe
    - it
    - When

Style/Alias:
  Enabled: true
  EnforcedStyle: prefer_alias

Style/AndOr:
  Enabled: true
  EnforcedStyle: always

Style/ArrayJoin:
  Enabled: true

Style/Attr:
  Enabled: true

Style/BarePercentLiterals:
  Enabled: true
  EnforcedStyle: bare_percent

Style/BeginBlock:
  Enabled: true

Style/BlockComments:
  Enabled: true

Style/CharacterLiteral:
  Enabled: true

Style/ClassCheck:
  Enabled: true
  EnforcedStyle: is_a?

Style/ClassMethods:
  Enabled: true

Style/ColonMethodCall:
  Enabled: true

Style/ColonMethodDefinition:
  Enabled: true

Style/CommandLiteral:
  Enabled: true
  EnforcedStyle: mixed
  AllowInnerBackticks: false

Style/CommentedKeyword:
  Enabled: true

Style/ConditionalAssignment:
  Enabled: true
  EnforcedStyle: assign_to_condition
  SingleLineConditionsOnly: true
  IncludeTernaryExpressions: true

Style/DefWithParentheses:
  Enabled: true

Style/Dir:
  Enabled: true

Style/EachForSimpleLoop:
  Enabled: true

Style/EachWithObject:
  Enabled: true

Style/EmptyBlockParameter:
  Enabled: true

Style/EmptyCaseCondition:
  Enabled: true

Style/EmptyElse:
  Enabled: true
  EnforcedStyle: both

Style/EmptyLambdaParameter:
  Enabled: true

Style/EmptyLiteral:
  Enabled: true

Style/EmptyMethod:
  Enabled: true
  EnforcedStyle: expanded

Style/Encoding:
  Enabled: true

Style/EndBlock:
  Enabled: true

Style/EvalWithLocation:
  Enabled: true

Style/For:
  Enabled: true
  EnforcedStyle: each

Style/GlobalVars:
  Enabled: true
  AllowedVariables: []

Style/HashSyntax:
  Enabled: true
  EnforcedStyle: ruby19_no_mixed_keys

Style/IdenticalConditionalBranches:
  Enabled: true

Style/IfInsideElse:
  Enabled: true

Style/IfUnlessModifierOfIfUnless:
  Enabled: true

Style/IfWithSemicolon:
  Enabled: true

Style/InfiniteLoop:
  Enabled: true
  SafeAutoCorrect: true

Style/LambdaCall:
  Enabled: true
  EnforcedStyle: call

Style/LineEndConcatenation:
  Enabled: true
  SafeAutoCorrect: false

Style/MethodCallWithoutArgsParentheses:
  Enabled: true
  IgnoredMethods: []

Style/MethodMissingSuper:
  Enabled: true

Style/MissingRespondToMissing:
  Enabled: true

Style/MixinGrouping:
  Enabled: true
  EnforcedStyle: separated

Style/MixinUsage:
  Enabled: true

Style/MultilineIfModifier:
  Enabled: true

Style/MultilineIfThen:
  Enabled: true

Style/MultilineMemoization:
  Enabled: true
  EnforcedStyle: keyword

Style/NegatedIf:
  Enabled: true
  EnforcedStyle: both

Style/NegatedWhile:
  Enabled: true

Style/NestedModifier:
  Enabled: true

Style/NestedParenthesizedCalls:
  Enabled: true
  Whitelist:
    - be
    - be_a
    - be_an
    - be_between
    - be_falsey
    - be_kind_of
    - be_instance_of
    - be_truthy
    - be_within
    - eq
    - eql
    - end_with
    - include
    - match
    - raise_error
    - respond_to
    - start_with

Style/NestedTernaryOperator:
  Enabled: true

Style/NilComparison:
  Enabled: true
  EnforcedStyle: predicate

Style/NonNilCheck:
  Enabled: true
  IncludeSemanticChanges: false

Style/Not:
  Enabled: true

Style/NumericLiteralPrefix:
  Enabled: true
  EnforcedOctalStyle: zero_with_o

Style/OneLineConditional:
  Enabled: true

Style/OptionalArguments:
  Enabled: true

Style/OrAssignment:
  Enabled: true

Style/ParenthesesAroundCondition:
  Enabled: true
  AllowSafeAssignment: true
  AllowInMultilineConditions: false

Style/PercentLiteralDelimiters:
  Enabled: true
  PreferredDelimiters:
    default: ()
    '%i': '[]'
    '%I': '[]'
    '%r': '{}'
    '%w': '[]'
    '%W': '[]'

Style/PercentQLiterals:
  Enabled: true
  EnforcedStyle: lower_case_q

Style/PreferredHashMethods:
  Enabled: true
  EnforcedStyle: short

Style/Proc:
  Enabled: true

Style/RandomWithOffset:
  Enabled: true

Style/RedundantBegin:
  Enabled: true

Style/RedundantConditional:
  Enabled: true

Style/RedundantException:
  Enabled: true

Style/RedundantFreeze:
  Enabled: true

Style/RedundantParentheses:
  Enabled: true

Style/RedundantReturn:
  Enabled: true
  AllowMultipleReturnValues: false

Style/RedundantSelf:
  Enabled: true

Style/RedundantSortBy:
  Enabled: true

Style/RescueModifier:
  Enabled: true

Style/RescueStandardError:
  Enabled: true
  EnforcedStyle: implicit

Style/SafeNavigation:
  Enabled: true
  ConvertCodeThatCanStartToReturnNil: false
  Whitelist:
    - present?
    - blank?
    - presence
    - try
    - try!

Style/Sample:
  Enabled: true

Style/SelfAssignment:
  Enabled: true

Style/Semicolon:
  Enabled: true
  AllowAsExpressionSeparator: false

Style/SingleLineMethods:
  Enabled: true
  AllowIfMethodIsEmpty: false

Style/StabbyLambdaParentheses:
  Enabled: true
  EnforcedStyle: require_parentheses

Style/StderrPuts:
  Enabled: true

Style/StringLiterals:
  Enabled: true
  EnforcedStyle: double_quotes
  ConsistentQuotesInMultiline: false

Style/StringLiteralsInInterpolation:
  Enabled: true
  EnforcedStyle: double_quotes

Style/Strip:
  Enabled: true

Style/SymbolLiteral:
  Enabled: true

Style/TernaryParentheses:
  Enabled: true
  EnforcedStyle: require_no_parentheses
  AllowSafeAssignment: true

Style/TrailingBodyOnClass:
  Enabled: true

Style/TrailingBodyOnMethodDefinition:
  Enabled: true

Style/TrailingBodyOnModule:
  Enabled: true

Style/TrailingCommaInArrayLiteral:
  Enabled: true
  EnforcedStyleForMultiline: consistent_comma

Style/TrailingCommaInHashLiteral:
  Enabled: true
  EnforcedStyleForMultiline: consistent_comma

Style/TrailingMethodEndStatement:
  Enabled: true

Style/TrivialAccessors:
  Enabled: true
  ExactNameMatch: true
  AllowPredicates: true
  AllowDSLWriters: false
  IgnoreClassMethods: false
  Whitelist:
    - to_ary
    - to_a
    - to_c
    - to_enum
    - to_h
    - to_hash
    - to_i
    - to_int
    - to_io
    - to_open
    - to_path
    - to_proc
    - to_r
    - to_regexp
    - to_str
    - to_s
    - to_sym

Style/UnlessElse:
  Enabled: true

Style/UnneededCapitalW:
  Enabled: true

Style/UnneededCondition:
  Enabled: true

Style/UnneededInterpolation:
  Enabled: true

Style/UnneededPercentQ:
  Enabled: true

Style/UnneededSort:
  Enabled: true

Style/UnpackFirst:
  Enabled: true

Style/VariableInterpolation:
  Enabled: true

Style/WhenThen:
  Enabled: true

Style/WhileUntilDo:
  Enabled: true

Style/YodaCondition:
  Enabled: true
  EnforcedStyle: forbid_for_all_comparison_operators