.rubocop.yml

AllCops:
  DisplayCopNames: true
  DisplayStyleGuide: true
  Include:
    - 'Gemfile'
    - 'Rakefile'
    - 'config/*'
    - '*.gemspec'
    - '**/*.rb'
  Exclude:
    - .bundle/**/*
    - bin/bundle
    - bin/console
    - bin/rake
    - bin/rspec
    - bin/rubocop
    - bin/setup
    - vendor/**/*
  TargetRubyVersion: 2.5

# Single-quotes aren't quotes, they're apostrophes! D:
Style/StringLiterals:
  EnforcedStyle: double_quotes

# Disabled due to noise when re-opening modules
Style/Documentation:
  Enabled: false

# Enable some cops disabled by default in the standard Rubocop config
# These are all the cops that are disabled normally.

# Suggests the usage of an auto resource cleanup version of a method
# (if available).
Style/AutoResourceCleanup:
  Enabled: true

# Preferred collection methods
Style/CollectionMethods:
  Enabled: true

# Avoid if/case expressions with empty else branches
Style/MissingElse:
  Enabled: true

# Avoid chaining a method call on a do...end block
Style/MethodCalledOnDoEndBlock:
  Enabled: true

# Do not assign mutable objects to constants
Style/MutableConstant:
  Enabled: true

# Don't use option hashes when you can use keyword arguments
Style/OptionHash:
  Enabled: true

# Prefer `Object#__send__` or `Object#public_send` to `send`, as
# `send` may overlap with existing methods.
Style/Send:
  Enabled: true

# Use %i or %I for arrays of symbols
Style/SymbolArray:
  Enabled: true

Style/TrailingCommaInArrayLiteral:
  EnforcedStyleForMultiline: comma

Style/TrailingCommaInHashLiteral:
  EnforcedStyleForMultiline: comma

Style/TrailingCommaInArguments:
  EnforcedStyleForMultiline: comma

# Tighten up the metrics

Metrics/AbcSize:
  Max: 15 # Rubocop default: 15

Metrics/BlockLength:
  Exclude:
    - spec/**/* # DSL is block-heavy

Metrics/BlockNesting:
  Max: 2 # Rubocop default: 3

Metrics/ClassLength:
  Max: 100 # Rubocop default: 100

Metrics/ModuleLength:
  Max: 30 # Rubocop default: 100

Metrics/CyclomaticComplexity:
  Max: 5 # Rubocop default: 6

Metrics/LineLength:
  Max: 180 # Rubocop default: 80

Metrics/MethodLength:
  Max: 10 # Rubocop default: 10

Metrics/ParameterLists:
  Max: 2 # Rubocop default: 5

Metrics/PerceivedComplexity:
  Max: 3 # Rubocop default: 7