.rubocop.yml

plugins:
  - rubocop-minitest
  - rubocop-performance
  - rubocop-rails
  - rubocop-md

require:
  - rubocop-packaging

AllCops:
  # RuboCop has a bunch of cops enabled by default. This setting tells RuboCop
  # to ignore them, so only the ones explicitly set in this file are enabled.
  DisabledByDefault: true
  SuggestExtensions: false
  Exclude:
    - '**/tmp/**/*'
    - '**/templates/**/*'
    - '**/vendor/**/*'
    - 'actionmailbox/test/dummy/**/*'
    - 'activestorage/test/dummy/**/*'
    - 'actiontext/test/dummy/**/*'
    - 'tools/rail_inspector/test/fixtures/*'
    - guides/source/debugging_rails_applications.md
    - guides/source/active_support_instrumentation.md
    - '**/node_modules/**/*'
    - '**/CHANGELOG.md'
    - '**/2_*_release_notes.md'
    - '**/3_*_release_notes.md'
    - '**/4_*_release_notes.md'
    - '**/5_*_release_notes.md'
    - '**/6_*_release_notes.md'


Performance:
  Exclude:
    - '**/test/**/*'

# Prefer assert_not over assert !
Rails/AssertNot:
  Include:
    - '**/test/**/*'

# Prefer assert_not_x over refute_x
Rails/RefuteMethods:
  Include:
    - '**/test/**/*'

Rails/IndexBy:
  Enabled: true

Rails/IndexWith:
  Enabled: true

# Prefer &&/|| over and/or.
Style/AndOr:
  Enabled: true

Layout/ClosingHeredocIndentation:
  Enabled: true

Layout/ClosingParenthesisIndentation:
  Enabled: true

# Align comments with method definitions.
Layout/CommentIndentation:
  Enabled: true

Layout/DefEndAlignment:
  Enabled: true

Layout/ElseAlignment:
  Enabled: true

# Align `end` with the matching keyword or starting expression except for
# assignments, where it should be aligned with the LHS.
Layout/EndAlignment:
  Enabled: true
  EnforcedStyleAlignWith: variable
  AutoCorrect: true

Layout/EndOfLine:
  Enabled: true

Layout/EmptyLineAfterMagicComment:
  Enabled: true

Layout/EmptyLinesAroundAccessModifier:
  Enabled: true
  EnforcedStyle: only_before

Layout/EmptyLinesAroundBlockBody:
  Enabled: true

# In a regular class definition, no empty lines around the body.
Layout/EmptyLinesAroundClassBody:
  Enabled: true

# In a regular method definition, no empty lines around the body.
Layout/EmptyLinesAroundMethodBody:
  Enabled: true

# In a regular module definition, no empty lines around the body.
Layout/EmptyLinesAroundModuleBody:
  Enabled: true

# Use Ruby >= 1.9 syntax for hashes. Prefer { a: :b } over { :a => :b }.
Style/HashSyntax:
  Enabled: true
  EnforcedShorthandSyntax: either

# Method definitions after `private` or `protected` isolated calls need one
# extra level of indentation.
Layout/IndentationConsistency:
  Enabled: true
  EnforcedStyle: indented_internal_methods
  Exclude:
    - '**/*.md'

# Two spaces, no tabs (for indentation).
Layout/IndentationWidth:
  Enabled: true

Layout/LeadingCommentSpace:
  Enabled: true

Layout/SpaceAfterColon:
  Enabled: true

Layout/SpaceAfterComma:
  Enabled: true

Layout/SpaceAfterSemicolon:
  Enabled: true

Layout/SpaceAroundEqualsInParameterDefault:
  Enabled: true

Layout/SpaceAroundKeyword:
  Enabled: true

Layout/SpaceAroundOperators:
  Enabled: true

Layout/SpaceBeforeComma:
  Enabled: true

Layout/SpaceBeforeComment:
  Enabled: true

Layout/SpaceBeforeFirstArg:
  Enabled: true

Style/DefWithParentheses:
  Enabled: true

# Defining a method with parameters needs parentheses.
Style/MethodDefParentheses:
  Enabled: true

Style/ExplicitBlockArgument:
  Enabled: true

Style/FrozenStringLiteralComment:
  Enabled: true
  EnforcedStyle: always
  Exclude:
    - 'actionview/test/**/*.builder'
    - 'actionview/test/**/*.ruby'
    - 'actionpack/test/**/*.builder'
    - 'actionpack/test/**/*.ruby'
    - 'activestorage/db/migrate/**/*.rb'
    - 'activestorage/db/update_migrate/**/*.rb'
    - 'actionmailbox/db/migrate/**/*.rb'
    - 'actiontext/db/migrate/**/*.rb'
    - '**/*.md'

Style/MapToHash:
  Enabled: true

Style/RedundantFreeze:
  Enabled: true

# Use `foo {}` not `foo{}`.
Layout/SpaceBeforeBlockBraces:
  Enabled: true

# Use `foo { bar }` not `foo {bar}`.
Layout/SpaceInsideBlockBraces:
  Enabled: true
  EnforcedStyleForEmptyBraces: space

# Use `{ a: 1 }` not `{a:1}`.
Layout/SpaceInsideHashLiteralBraces:
  Enabled: true

Layout/SpaceInsideParens:
  Enabled: true

# Check quotes usage according to lint rule below.
Style/StringLiterals:
  Enabled: true
  EnforcedStyle: double_quotes

# Detect hard tabs, no hard tabs.
Layout/IndentationStyle:
  Enabled: true

# Empty lines should not have any spaces.
Layout/TrailingEmptyLines:
  Enabled: true

# No trailing whitespace.
Layout/TrailingWhitespace:
  Enabled: true

# Use quotes for string literals when they are enough.
Style/RedundantPercentQ:
  Enabled: true

Lint/NestedMethodDefinition:
  Enabled: true

Lint/AmbiguousOperator:
  Enabled: true

Lint/AmbiguousRegexpLiteral:
  Enabled: true

Lint/Debugger:
  Enabled: true
  DebuggerRequires:
    - debug

Lint/DuplicateRequire:
  Enabled: true

Lint/DuplicateMagicComment:
  Enabled: true

Lint/DuplicateMethods:
  Enabled: true

Lint/ErbNewArguments:
  Enabled: true

Lint/EnsureReturn:
  Enabled: true

Lint/MissingCopEnableDirective:
  Enabled: true

# Use my_method(my_arg) not my_method( my_arg ) or my_method my_arg.
Lint/RequireParentheses:
  Enabled: true

Lint/RedundantCopDisableDirective:
  Enabled: true

Lint/RedundantCopEnableDirective:
  Enabled: true

Lint/RedundantRequireStatement:
  Enabled: true

Lint/RedundantStringCoercion:
  Enabled: true

Lint/RedundantSafeNavigation:
  Enabled: true

Lint/UriEscapeUnescape:
  Enabled: true

Lint/UselessAssignment:
  Enabled: true

Lint/DeprecatedClassMethods:
  Enabled: true

Lint/InterpolationCheck:
  Enabled: true
  Exclude:
    - '**/test/**/*'

Lint/SafeNavigationChain:
  Enabled: true

Style/EvalWithLocation:
  Enabled: true
  Exclude:
    - '**/test/**/*'

Style/ParenthesesAroundCondition:
  Enabled: true

Style/HashTransformKeys:
  Enabled: true

Style/HashTransformValues:
  Enabled: true

Style/RedundantBegin:
  Enabled: true

Style/RedundantReturn:
  Enabled: true
  AllowMultipleReturnValues: true

Style/RedundantRegexpEscape:
  Enabled: true

Style/Semicolon:
  Enabled: true
  AllowAsExpressionSeparator: true

# Prefer Foo.method over Foo::method
Style/ColonMethodCall:
  Enabled: true

Style/TrivialAccessors:
  Enabled: true

# Prefer a = b || c over a = b ? b : c
Style/RedundantCondition:
  Enabled: true

Style/RedundantDoubleSplatHashBraces:
  Enabled: true

Style/OpenStructUse:
  Enabled: true

Style/ArrayIntersect:
  Enabled: true

Style/KeywordArgumentsMerging:
  Enabled: true

Performance/BindCall:
  Enabled: true

Performance/FlatMap:
  Enabled: true

Performance/MapCompact:
  Enabled: true

Performance/SelectMap:
  Enabled: true

Performance/RedundantMerge:
  Enabled: true

Performance/StartWith:
  Enabled: true

Performance/EndWith:
  Enabled: true

Performance/RegexpMatch:
  Enabled: true

Performance/ReverseEach:
  Enabled: true

Performance/StringReplacement:
  Enabled: true

Performance/DeletePrefix:
  Enabled: true

Performance/DeleteSuffix:
  Enabled: true

Performance/InefficientHashSearch:
  Enabled: true

Performance/ConstantRegexp:
  Enabled: true

Performance/RedundantStringChars:
  Enabled: true

Performance/StringInclude:
  Enabled: true

Minitest/AssertNil:
  Enabled: true

Minitest/AssertRaisesWithRegexpArgument:
  Enabled: true

Minitest/AssertWithExpectedArgument:
  Enabled: true

Minitest/LiteralAsActualArgument:
  Enabled: true

Minitest/NonExecutableTestMethod:
  Enabled: true

Minitest/SkipEnsure:
  Enabled: true

Minitest/UnreachableAssertion:
  Enabled: true

Markdown:
  # Whether to run RuboCop against non-valid snippets
  WarnInvalid: true
  # Whether to lint codeblocks without code attributes
  Autodetect: false