require: - rubocop-packaging - rubocop-performance - rubocop-rails AllCops: TargetRubyVersion: 2.5 # 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 Exclude: - '**/tmp/**/*' - '**/templates/**/*' - '**/vendor/**/*' - 'actionpack/lib/action_dispatch/journey/parser.rb' - 'actionmailbox/test/dummy/**/*' - 'actiontext/test/dummy/**/*' - '**/node_modules/**/*' 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 # Align `when` with `case`. Layout/CaseIndentation: Enabled: true Layout/ClosingHeredocIndentation: Enabled: true # Align comments with method definitions. Layout/CommentIndentation: 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/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 Layout/FirstArgumentIndentation: Enabled: true # Method definitions after `private` or `protected` isolated calls need one # extra level of indentation. Layout/IndentationConsistency: Enabled: true EnforcedStyle: indented_internal_methods # 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/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' 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/AmbiguousOperator: Enabled: true Lint/AmbiguousRegexpLiteral: Enabled: true Lint/DuplicateRequire: Enabled: true Lint/ErbNewArguments: Enabled: true # Use my_method(my_arg) not my_method( my_arg ) or my_method my_arg. Lint/RequireParentheses: Enabled: true Lint/ShadowingOuterLocalVariable: Enabled: true Lint/RedundantStringCoercion: Enabled: true Lint/UriEscapeUnescape: Enabled: true Lint/UselessAssignment: Enabled: true Lint/DeprecatedClassMethods: Enabled: true 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 Performance/FlatMap: Enabled: true Performance/RedundantMerge: Enabled: true Performance/StartWith: Enabled: true Performance/EndWith: Enabled: true Performance/RegexpMatch: Enabled: true Performance/ReverseEach: Enabled: true Performance/UnfreezeString: Enabled: true Performance/DeletePrefix: Enabled: true Performance/DeleteSuffix: Enabled: true