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rails--rails/.rubocop.yml
Ryuta Kamizono ea65d92f19
Enable Lint/UselessAssignment cop to avoid unused variable warnings (#34904)
* Enable `Lint/UselessAssignment` cop to avoid unused variable warnings

Since we've addressed the warning "assigned but unused variable"
frequently.

370537de05
3040446cec
5ed618e192
76ebafe594

And also, I've found the unused args in c1b14ad which raises no warnings
by the cop, it shows the value of the cop.
2019-01-09 18:09:01 +09:00

237 lines
4.8 KiB
YAML

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:
- '**/templates/**/*'
- '**/vendor/**/*'
- 'actionpack/lib/action_dispatch/journey/parser.rb'
- 'railties/test/fixtures/tmp/**/*'
- 'actionmailbox/test/dummy/**/*'
- 'actiontext/test/dummy/**/*'
- 'node_modules/**/*'
Performance:
Exclude:
- '**/test/**/*'
Rails:
Enabled: true
# Prefer assert_not over assert !
Rails/AssertNot:
Include:
- '**/test/**/*'
# Prefer assert_not_x over refute_x
Rails/RefuteMethods:
Include:
- '**/test/**/*'
# 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/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
Layout/FirstParameterIndentation:
Enabled: true
# Use Ruby >= 1.9 syntax for hashes. Prefer { a: :b } over { :a => :b }.
Style/HashSyntax:
Enabled: true
# Method definitions after `private` or `protected` isolated calls need one
# extra level of indentation.
Layout/IndentationConsistency:
Enabled: true
EnforcedStyle: rails
# 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/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'
- '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/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
# Use my_method(my_arg) not my_method( my_arg ) or my_method my_arg.
Lint/RequireParentheses:
Enabled: true
Lint/ShadowingOuterLocalVariable:
Enabled: true
Lint/StringConversionInInterpolation:
Enabled: true
Lint/UriEscapeUnescape:
Enabled: true
Lint/UselessAssignment:
Enabled: true
Lint/DeprecatedClassMethods:
Enabled: true
Style/ParenthesesAroundCondition:
Enabled: true
Style/RedundantBegin:
Enabled: true
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/UnfreezeString:
Enabled: true