.rubocop.yml
require:
- rubocop-performance
- rubocop-rails
- rubocop-rspec
AllCops:
TargetRubyVersion: 2.6
# 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:
- '**/vendor/**/*'
- '**/node_modules/**/*'
- 'db/**/*'
- 'config/**/*'
- 'libs/**/*'
Rails:
Enabled: true
# Prefer &&/|| over and/or.
Style/AndOr:
Enabled: true
# Do not use braces for hash literals when they are the last argument of a
# method call.
Style/BracesAroundHashParameters:
Enabled: true
EnforcedStyle: context_dependent
# Align `when` with `case`.
Layout/CaseIndentation:
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/IndentFirstArgument:
Enabled: true
# Method definitions after `private` or `protected` isolated calls need one
# extra level of indentation.
Layout/IndentationConsistency:
Enabled: true
# 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/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/Tab:
Enabled: true
# Blank lines should not have any spaces.
Layout/TrailingBlankLines:
Enabled: true
# No trailing whitespace.
Layout/TrailingWhitespace:
Enabled: true
# Use quotes for string literals when they are enough.
Style/UnneededPercentQ:
Enabled: true
# the let(:key) { ... }
Lint/ParenthesesAsGroupedExpression:
Exclude:
- '**/spec/**/*'
Lint/AmbiguousOperator:
Enabled: true
Lint/AmbiguousRegexpLiteral:
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: false
Lint/StringConversionInInterpolation:
Enabled: true
Lint/UriEscapeUnescape:
Enabled: true
Lint/UselessAssignment:
Enabled: true
Lint/DeprecatedClassMethods:
Enabled: true
Style/ParenthesesAroundCondition:
Enabled: true
Style/RedundantBegin:
Enabled: true
# This cop would not work fine with rspec
Style/MixinGrouping:
Exclude:
- '**/spec/**/*'
Style/RedundantReturn:
Enabled: true
AllowMultipleReturnValues: 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