.rubocop.yml

AllCops:
  TargetRubyVersion: 1.9
  DisabledByDefault: true

# 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`.
Style/CaseIndentation:
  Enabled: true
  # align with the final end as case expression result might be assigned to a variable
  EnforcedStyle: end

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

# No extra empty lines.
Style/EmptyLines:
  Enabled: true

# In a regular class definition, no empty lines around the body.
# Style/EmptyLinesAroundClassBody:
#   Enabled: true

# In a regular module definition, no empty lines around the body.
# Style/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.
Style/IndentationConsistency:
  Enabled: true
  # EnforcedStyle: rails
  EnforcedStyle: normal

# Two spaces, no tabs (for indentation).
Style/IndentationWidth:
  Enabled: true

Style/SpaceAfterColon:
  Enabled: true

Style/SpaceAfterComma:
  Enabled: true

Style/SpaceAroundEqualsInParameterDefault:
  Enabled: true

Style/SpaceAroundKeyword:
  Enabled: true

Style/SpaceAroundOperators:
  Enabled: true

Style/SpaceBeforeFirstArg:
    Enabled: true

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

# Use `foo {}` not `foo{}`.
# Style/SpaceBeforeBlockBraces:
#   Enabled: true

# Use `foo { bar }` not `foo {bar}`.
# Style/SpaceInsideBlockBraces:
#   Enabled: true

# Use `{ a: 1 }` not `{a:1}`.
# Style/SpaceInsideHashLiteralBraces:
#   Enabled: true

Style/SpaceInsideParens:
  Enabled: true

# Check quotes usage according to lint rule below.
# Style/StringLiterals:
#   Enabled: true
#   EnforcedStyle: double_quotes

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

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

# No trailing whitespace.
Style/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

#################### Metrics ###############################

Metrics/BlockLength:
  Enabled: true
  Max: 30

Metrics/BlockNesting:
  Enabled: true
  Max: 3

Metrics/ClassLength:
  Enabled: true
  Max: 300

# Avoid complex methods.
Metrics/CyclomaticComplexity:
  Enabled: true
  Max: 10

Metrics/LineLength:
  Enabled: true
  Max: 130

Metrics/MethodLength:
  Enabled: true
  Max: 30

Metrics/ModuleLength:
  Enabled: true
  Max: 300

Metrics/ParameterLists:
  Enabled: true
  Max: 5