.rubocop.yml

# Allow longer lines and methods
Layout/LineLength:
  Max: 240

Metrics/MethodLength:
  Max: 30

# Tests are declarative, no block length test
Metrics/BlockLength:
  IgnoredMethods: ['describe', 'context', 'namespace']

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:

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

# 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

# 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/FirstArgumentIndentation:
  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: 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/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'
#     - 'db/migrate/**/*.rb'
#     - 'db/*.rb'

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

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

# 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: single_quotes

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

# Blank 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

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

Lint/RedundantStringCoercion:
  Enabled: true

# Supports --auto-correct
Style/RedundantSelf:
  Description: Don't use self where it's not needed.
  StyleGuide: https://github.com/rubocop-hq/ruby-style-guide#no-self-unless-required
  Enabled: true

Style/RedundantReturn:
  Enabled: true
  AllowMultipleReturnValues: true

Style/Semicolon:
  Enabled: true
  AllowAsExpressionSeparator: true

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