.rubocop.yml

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:
    - 'bin/**/*'
    - 'spec/**/*'
    - 'config.ru'
    - 'config/boot.rb'
    - 'Rakefile'

# Security
Security:
  Enabled: true

Security/YAMLLoad:
  Enabled: false

# 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

Layout/EmptyLineAfterMagicComment:
  Enabled: false

# 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: false

# Layout/IndentFirstArgument:
#   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: normal

# 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: false

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: false

# No trailing whitespace.
Layout/TrailingWhitespace:
  Enabled: true

# Use quotes for string literals when they are enough.
Style/UnneededPercentQ:
  Enabled: true

Lint:
  Enabled: true

Lint/UselessAccessModifier:
  Enabled: false

Lint/UnusedMethodArgument:
  Enabled: false

Style/RedundantReturn:
  Enabled: true
  AllowMultipleReturnValues: true

Style/Semicolon:
  Enabled: true
  AllowAsExpressionSeparator: true

Naming/AccessorMethodName:
  Enabled: true

Naming/ConstantName:
  Enabled: true

Naming/FileName:
  Enabled: true