.rubocop.yml

AllCops:
  DisplayCopNames: true
  Exclude:
    - 'test_app/**/*'
    - 'tmp/**/*'
    - 'vendor/**/*'
  NewCops: enable
  TargetRubyVersion: 2.7
  # This is output on every run of `rubocop` and feels fairly noisy.
  SuggestExtensions: false

# Avoid parameter lists longer than three parameters.
Metrics/ParameterLists:
  Max: 3
  CountKeywordArgs: true

# Avoid more than `Max` levels of nesting.
Metrics/BlockNesting:
  Max: 3

# Align with the style guide.
Style/CollectionMethods:
  Enabled: true
  PreferredMethods:
    find: 'detect'

Layout/AccessModifierIndentation:
  Enabled: false

# Limit line length
Layout/LineLength:
  Max: 120

# Disable documentation checking until a class needs to be documented once
Style/Documentation:
  Enabled: false

# Permit
#
#     boolean_check? or fail
#
# Reject
#
#     if foo or bar
#       ...
#     end
Style/AndOr:
  EnforcedStyle: conditionals

# Do not favor modifier if/unless usage when you have a single-line body
Style/IfUnlessModifier:
  Enabled: false

# Allow case equality operator (in limited use within the specs)
Style/CaseEquality:
  Enabled: false

# Constants do not always have to use SCREAMING_SNAKE_CASE
Naming/ConstantName:
  Enabled: false

# Not all trivial readers/writers can be defined with attr_* methods
Style/TrivialAccessors:
  Enabled: false

# Allow empty lines around class body
Layout/EmptyLinesAroundClassBody:
  Enabled: false

# Allow empty lines around module body
Layout/EmptyLinesAroundModuleBody:
  Enabled: false

# Allow empty lines around block body
Layout/EmptyLinesAroundBlockBody:
  Enabled: false

# Allow multiple line operations to not require indentation
Layout/MultilineOperationIndentation:
  Enabled: false

# Prefer String#% over Kernel#sprintf
Style/FormatString:
  EnforcedStyle: percent

# Prefer #kind_of? over #is_a?
Style/ClassCheck:
  EnforcedStyle: kind_of?

# Do not prefer double quotes to be used when %q or %Q is more appropriate
Style/RedundantPercentQ:
  Enabled: false

# Allow a maximum ABC score
Metrics/AbcSize:
  Max: 21.02

Metrics/BlockLength:
  Exclude:
  - 'spec/**/*.rb'
  - 'mutant.gemspec'

# Buggy cop, returns false positive for our code base
Lint/NonLocalExitFromIterator:
  Enabled: false

# We use parallel assignments with great success
Style/ParallelAssignment:
  Enabled: false

# Buggy
Lint/FormatParameterMismatch:
  Enabled: false

# Different preference
Style/SignalException:
  EnforcedStyle: semantic

# Do not use `alias`
Style/Alias:
  EnforcedStyle: prefer_alias_method

# Do not waste my horizontal or vertical space
Layout/FirstArrayElementIndentation:
  Enabled: false

# Prefer
#
#     some_receiver
#       .foo
#       .bar
#       .baz
#
# Over
#
#     some_receiver.foo
#                  .bar
#                  .baz
Layout/MultilineMethodCallIndentation:
  EnforcedStyle: indented

# Prefer `public_send` and `__send__` over `send`
Style/Send:
  Enabled: true

Layout/HashAlignment:
  EnforcedColonStyle: table
  EnforcedHashRocketStyle: table
Layout/EmptyLineAfterGuardClause:
  Enabled: false
Layout/SpaceInsideArrayLiteralBrackets:
  Enabled: false
Lint/BooleanSymbol:
  Enabled: false
Lint/InterpolationCheck:
  Enabled: false
Lint/MissingCopEnableDirective:
  Enabled: false
Lint/UnifiedInteger:
  Enabled: false
Naming/FileName:
  Enabled: false
Style/AccessModifierDeclarations:
  Enabled: false
Style/CommentedKeyword:
  Enabled: false
Style/MixinGrouping:
  Enabled: false
Style/RaiseArgs:
  Enabled: false
Style/RescueStandardError:
  Enabled: false
Style/StderrPuts:
  Enabled: false
# Fine inside stabby lambdas
Style/Semicolon:
  Enabled: false
# suggesting single letter variablesl bah
Naming/RescuedExceptionsVariableName:
  Enabled: false
# false positive on private keywords
Layout/IndentationWidth:
  Enabled: false
# I do them alphabetically
Style/KeywordParametersOrder:
  Enabled: false
# Empty blocks are useful
Lint/EmptyBlock:
  Enabled: false
# Bad advice, as the '' are the least powerful syntax
Style/RedundantHeredocDelimiterQuotes:
  Enabled: false