.rubocop.yml

AllCops:
  # 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
  TargetRubyVersion: 2.3

# 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

# Align `when` with `case`.
Layout/CaseIndentation:
  Enabled: true

# Align comments with method definitions.
Layout/CommentIndentation:
  Enabled: true

Layout/EmptyLineAfterMagicComment:
  Enabled: true

# No extra empty lines.
Layout/EmptyLines:
  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

# 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/SpaceAfterColon:
  Enabled: true

Layout/SpaceAfterComma:
  Enabled: true

Layout/SpaceAroundEqualsInParameterDefault:
  Enabled: true

Layout/SpaceAroundKeyword:
  Enabled: true

Layout/SpaceAroundOperators:
  Enabled: true

Layout/SpaceBeforeFirstArg:
    Enabled: true

# Defining a method with parameters needs parentheses.
Style/MethodDefParentheses:
  Enabled: true

# 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

# Don't care about single vs double quotes
Style/StringLiterals:
  Enabled: false
  SupportedStyles:
    - single_quotes
    - double_quotes

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

# Blank lines should not have any spaces.
Layout/TrailingBlankLines:
  Enabled: true

Metrics/LineLength:
  Enabled: true
  Max: 80
  IgnoredPatterns: ['\A\s*class ']

Layout/MultilineMethodCallIndentation:
  Enabled: true
  EnforcedStyle: indented
  IndentationWidth: 2

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

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

# Align `end` with the matching keyword or starting expression except for
# assignments, where it should be aligned with the LHS.
Lint/EndAlignment:
  Enabled: true
  EnforcedStyleAlignWith: variable

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

Style/BlockDelimiters:
  Enabled: true

Style/SymbolArray:
  Enabled: true