.rubocop.yml

# The behavior of RuboCop can be controlled via the .rubocop.yml
# configuration file. It makes it possible to enable/disable
# certain cops (checks) and to alter their behavior if they accept
# any parameters. The file can be placed either in your home
# directory or in some project directory.
#
# RuboCop will start looking for the configuration file in the directory
# where the inspected file is and continue its way up to the root directory.
#
# See https://docs.rubocop.org/rubocop/configuration
require:
  - rubocop-performance
  - rubocop-rails
  - rubocop-rspec

inherit_mode:
  merge:
    - Exclude

# The `consistent` style enforces that the first element in an array
# literal where the opening bracket and the first element are on
# separate lines is indented the same as an array literal which is not
# defined inside a method call.
Layout/FirstArrayElementIndentation:
  EnforcedStyle: consistent

# Too short methods lead to extraction of single-use methods, which can make
# the code easier to read (by naming things), but can also clutter the class
Metrics/MethodLength: 
  Max: 20

# The guiding principle of classes is SRP, SRP can't be accurately measured by LoC
Metrics/ClassLength:
  Max: 1500

# We don't need screaming snake case all the damn time
Naming/ConstantName:
  Enabled: false

# Single quotes being faster is hardly measurable and only affects parse time.
# Enforcing double quotes reduces the times where you need to change them
# when introducing an interpolation. Use single quotes only if their semantics
# are needed.
Style/StringLiterals:
  EnforcedStyle: double_quotes

Style/FrozenStringLiteralComment:
  Enabled: false

Style/Documentation:
  Enabled: false

Style/TrailingCommaInArguments:
  EnforcedStyleForMultiline: consistent_comma

Style/TrailingCommaInArrayLiteral:
  EnforcedStyleForMultiline: consistent_comma

Style/TrailingCommaInHashLiteral:
  EnforcedStyleForMultiline: consistent_comma

Style/SymbolArray:
  EnforcedStyle: brackets

Style/WordArray:
  EnforcedStyle: brackets

# In rspec, we use blocks everywhere -- this rule is always fired off
# because  the initial describe wraps so much. Let's just disable it for
# specs.
Metrics/BlockLength:
  Exclude:
    - 'spec/**/*.rb'

RSpec/ExampleLength:
  CountAsOne: ['array', 'hash', 'heredoc']
  Max: 25

AllCops:
  Exclude:
    - 'db/**/*'
    - 'config/**/*'
    - 'script/**/*'
    - 'bin/{rails,rake}'
    - !ruby/regexp /old_and_unused\.rb$/