.rubocop.yml

AllCops:
  TargetRubyVersion: 2.3
  Exclude:
    - 'spec/dummy/**/*'
    - 'Gemfile'
    - 'bin/*'
    - 'Rakefile'
    - '*.gemspec'

Rails:
  Enabled: true

# Accept single-line methods with no body
SingleLineMethods:
  AllowIfMethodIsEmpty: true

# Top-level documentation of classes and modules are needless
Documentation:
  Enabled: false

# Allow to chain of block after another block that spans multiple lines
MultilineBlockChain:
  Enabled: false

# Allow `->` literal for multi line blocks
Lambda:
  Enabled: false

# Both nested and compact are okay
ClassAndModuleChildren:
  Enabled: false

# Specifying param names is unnecessary
Style/SingleLineBlockParams:
  Enabled: false

# Prefer Kernel#sprintf
FormatString:
  EnforcedStyle: sprintf

# Maximum line length
LineLength:
  Max: 100

# Use "postfix if/unless" if the lenght is less than this
IfUnlessModifier:
  MaxLineLength: 80

# Maximum method length
MethodLength:
  Max: 20

# Tune to MethodLength
Metrics/AbcSize:
  Max: 30

# Tune to MethodLength
Metrics/ClassLength:
  Max: 200

# Prefer double_quotes strings unless your string literal contains escape chars
StringLiterals:
  EnforcedStyle: double_quotes

# Prefer raise over fail for exceptions
Style/SignalException:
  EnforcedStyle: only_raise

# Allow empty condition in case statements
Style/EmptyCaseCondition:
  Enabled: false

# Prefer trailing comma in argument lists
Style/TrailingCommaInArguments:
  EnforcedStyleForMultiline: comma

# Prefer trailing comma in array and hash literals
Style/TrailingCommaInLiteral:
  EnforcedStyleForMultiline: comma

# Prefer parentheses for almost all percent literals
Style/PercentLiteralDelimiters:
  PreferredDelimiters:
    '%i': '()'
    '%I': '()'
    '%w': '()'
    '%W': '()'

# Allow `has_` as prefix of predicate methods
Style/PredicateName:
  NamePrefixBlacklist:
    - is_
    - have_

# Prefer `has_?` style for Hash methods
Style/PreferredHashMethods:
  EnforcedStyle: verbose