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.rubocop.yml
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require:
- rubocop-performance
- rubocop-rails
AllCops:
DisabledByDefault: true
Exclude: []
#################### Lint ################################
Lint/AmbiguousOperator:
Description: >-
Checks for ambiguous operators in the first argument of a
method invocation without parentheses.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#parens-as-args'
Enabled: true
Lint/AmbiguousRegexpLiteral:
Description: >-
Checks for ambiguous regexp literals in the first argument of
a method invocation without parenthesis.
Enabled: true
Lint/AssignmentInCondition:
Description: "Don't use assignment in conditions."
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#safe-assignment-in-condition'
Enabled: true
Layout/BlockAlignment:
Description: 'Align block ends correctly.'
Enabled: true
Lint/CircularArgumentReference:
Description: "Don't refer to the keyword argument in the default value."
Enabled: true
Layout/ConditionPosition:
Description: >-
Checks for condition placed in a confusing position relative to
the keyword.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#same-line-condition'
Enabled: true
Lint/Debugger:
Description: 'Check for debugger calls.'
Enabled: true
Layout/DefEndAlignment:
Description: 'Align ends corresponding to defs correctly.'
Enabled: true
Lint/DeprecatedClassMethods:
Description: 'Check for deprecated class method calls.'
Enabled: true
Lint/DuplicateMethods:
Description: 'Check for duplicate methods calls.'
Enabled: true
Lint/EachWithObjectArgument:
Description: 'Check for immutable argument given to each_with_object.'
Enabled: true
Lint/ElseLayout:
Description: 'Check for odd code arrangement in an else block.'
Enabled: true
Lint/EmptyEnsure:
Description: 'Checks for empty ensure block.'
Enabled: true
Lint/EmptyInterpolation:
Description: 'Checks for empty string interpolation.'
Enabled: true
Layout/EndAlignment:
Description: 'Align ends correctly.'
Enabled: true
Lint/EnsureReturn:
Description: 'Do not use return in an ensure block.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-return-ensure'
Enabled: true
Security/Eval:
Description: 'The use of eval represents a serious security risk.'
Enabled: true
Lint/FormatParameterMismatch:
Description: 'The number of parameters to format/sprint must match the fields.'
Enabled: true
Lint/SuppressedException:
Description: "Don't suppress exception."
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#dont-hide-exceptions'
Enabled: true
Lint/LiteralInInterpolation:
Description: 'Checks for literals used in interpolation.'
Enabled: true
Lint/Loop:
Description: >-
Use Kernel#loop with break rather than begin/end/until or
begin/end/while for post-loop tests.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#loop-with-break'
Enabled: true
Lint/NestedMethodDefinition:
Description: 'Do not use nested method definitions.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-nested-methods'
Enabled: true
Lint/NonLocalExitFromIterator:
Description: 'Do not use return in iterator to cause non-local exit.'
Enabled: true
Lint/ParenthesesAsGroupedExpression:
Description: >-
Checks for method calls with a space before the opening
parenthesis.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#parens-no-spaces'
Enabled: true
Lint/RequireParentheses:
Description: >-
Use parentheses in the method call to avoid confusion
about precedence.
Enabled: true
Lint/RescueException:
Description: 'Avoid rescuing the Exception class.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-blind-rescues'
Enabled: true
Lint/ShadowingOuterLocalVariable:
Description: >-
Do not use the same name as outer local variable
for block arguments or block local variables.
Enabled: true
Lint/RedundantStringCoercion:
Description: 'Checks for Object#to_s usage in string interpolation.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-to-s'
Enabled: true
Lint/UnderscorePrefixedVariableName:
Description: 'Do not use prefix `_` for a variable that is used.'
Enabled: true
Lint/RedundantCopDisableDirective:
Description: >-
Checks for rubocop:disable comments that can be removed.
Note: this cop is not disabled when disabling all cops.
It must be explicitly disabled.
Enabled: true
Lint/UnusedBlockArgument:
Description: 'Checks for unused block arguments.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
Enabled: true
Lint/UnusedMethodArgument:
Description: 'Checks for unused method arguments.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
Enabled: true
Lint/UnreachableCode:
Description: 'Unreachable code.'
Enabled: true
Lint/UselessAccessModifier:
Description: 'Checks for useless access modifiers.'
Enabled: true
Lint/UselessAssignment:
Description: 'Checks for useless assignment to a local variable.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
Enabled: true
Lint/BinaryOperatorWithIdenticalOperands:
Description: 'This cop checks for places where binary operator has identical operands.'
Enabled: true
Lint/UselessElseWithoutRescue:
Description: 'Checks for useless `else` in `begin..end` without `rescue`.'
Enabled: true
Lint/UselessSetterCall:
Description: 'Checks for useless setter call to a local variable.'
Enabled: true
Lint/Void:
Description: 'Possible use of operator/literal/variable in void context.'
Enabled: true
###################### Metrics ####################################
Metrics/AbcSize:
Description: >-
A calculated magnitude based on number of assignments,
branches, and conditions.
Reference: 'http://c2.com/cgi/wiki?AbcMetric'
Enabled: true
Max: 25
Metrics/BlockNesting:
Description: 'Avoid excessive block nesting'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#three-is-the-number-thou-shalt-count'
Enabled: true
Max: 4
Metrics/ClassLength:
Description: 'Avoid classes longer than 250 lines of code.'
Enabled: true
Max: 250
Metrics/CyclomaticComplexity:
Description: >-
A complexity metric that is strongly correlated to the number
of test cases needed to validate a method.
Enabled: true
Layout/LineLength:
Description: 'Limit lines to 120 characters.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#80-character-limits'
Max: 120
Enabled: true
Exclude:
- 'config/locales/**'
Metrics/MethodLength:
Description: 'Avoid methods longer than 30 lines of code.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#short-methods'
Enabled: true
Max: 30
Metrics/ModuleLength:
Description: 'Avoid modules longer than 250 lines of code.'
Enabled: true
Max: 250
Metrics/ParameterLists:
Description: 'Avoid parameter lists longer than three or four parameters.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#too-many-params'
Enabled: true
Metrics/PerceivedComplexity:
Description: >-
A complexity metric geared towards measuring complexity for a
human reader.
Enabled: true
##################### Performance #############################
Performance/Count:
Description: >-
Use `count` instead of `select...size`, `reject...size`,
`select...count`, `reject...count`, `select...length`,
and `reject...length`.
Enabled: true
Performance/Detect:
Description: >-
Use `detect` instead of `select.first`, `find_all.first`,
`select.last`, and `find_all.last`.
Reference: 'https://github.com/JuanitoFatas/fast-ruby#enumerabledetect-vs-enumerableselectfirst-code'
Enabled: true
Performance/FlatMap:
Description: >-
Use `Enumerable#flat_map`
instead of `Enumerable#map...Array#flatten(1)`
or `Enumberable#collect..Array#flatten(1)`
Reference: 'https://github.com/JuanitoFatas/fast-ruby#enumerablemaparrayflatten-vs-enumerableflat_map-code'
Enabled: true
EnabledForFlattenWithoutParams: false
# If enabled, this cop will warn about usages of
# `flatten` being called without any parameters.
# This can be dangerous since `flat_map` will only flatten 1 level, and
# `flatten` without any parameters can flatten multiple levels.
Performance/ReverseEach:
Description: 'Use `reverse_each` instead of `reverse.each`.'
Reference: 'https://github.com/JuanitoFatas/fast-ruby#enumerablereverseeach-vs-enumerablereverse_each-code'
Enabled: true
Style/Sample:
Description: >-
Use `sample` instead of `shuffle.first`,
`shuffle.last`, and `shuffle[Fixnum]`.
Reference: 'https://github.com/JuanitoFatas/fast-ruby#arrayshufflefirst-vs-arraysample-code'
Enabled: true
Performance/Size:
Description: >-
Use `size` instead of `count` for counting
the number of elements in `Array` and `Hash`.
Reference: 'https://github.com/JuanitoFatas/fast-ruby#arraycount-vs-arraysize-code'
Enabled: true
Performance/StringReplacement:
Description: >-
Use `tr` instead of `gsub` when you are replacing the same
number of characters. Use `delete` instead of `gsub` when
you are deleting characters.
Reference: 'https://github.com/JuanitoFatas/fast-ruby#stringgsub-vs-stringtr-code'
Enabled: true
##################### Rails ##################################
Rails/ActionFilter:
Description: 'Enforces consistent use of action filter methods.'
Enabled: true
Rails/Date:
Description: >-
Checks the correct usage of date aware methods,
such as Date.today, Date.current etc.
Enabled: true
Rails/Delegate:
Description: 'Prefer delegate method for delegations.'
Enabled: true
Rails/FindBy:
Description: 'Prefer find_by over where.first.'
Enabled: true
Rails/FindEach:
Description: 'Prefer all.find_each over all.find.'
Enabled: true
Rails/HasAndBelongsToMany:
Description: 'Prefer has_many :through to has_and_belongs_to_many.'
Enabled: true
Rails/Output:
Description: 'Checks for calls to puts, print, etc.'
Enabled: true
Rails/ReadWriteAttribute:
Description: >-
Checks for read_attribute(:attr) and
write_attribute(:attr, val).
Enabled: true
Rails/ScopeArgs:
Description: 'Checks the arguments of ActiveRecord scopes.'
Enabled: true
Rails/TimeZone:
Description: 'Checks the correct usage of time zone aware methods.'
StyleGuide: 'https://github.com/bbatsov/rails-style-guide#time'
Reference: 'http://danilenko.org/2012/7/6/rails_timezones'
Enabled: false
Rails/Validation:
Description: 'Use validates :attribute, hash of validations.'
Enabled: true
################## Style #################################
Layout/AccessModifierIndentation:
Description: Check indentation of private/protected visibility modifiers.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#indent-public-private-protected'
Enabled: true
Naming/AccessorMethodName:
Description: Check the naming of accessor methods for get_/set_.
Enabled: false
Style/Alias:
Description: 'Use alias_method instead of alias.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#alias-method'
Enabled: true
Layout/ArrayAlignment:
Description: >-
Align the elements of an array literal if they span more than
one line.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#align-multiline-arrays'
Enabled: true
Layout/HashAlignment:
Description: >-
Align the elements of a hash literal if they span more than
one line.
EnforcedHashRocketStyle: table
Enabled: true
Layout/ParameterAlignment:
Description: >-
Align the parameters of a method call if they span more
than one line.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-double-indent'
Enabled: true
Style/AndOr:
Description: 'Use &&/|| instead of and/or.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-and-or-or'
Enabled: false
Style/ArrayJoin:
Description: 'Use Array#join instead of Array#*.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#array-join'
Enabled: true
Style/AsciiComments:
Description: 'Use only ascii symbols in comments.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#english-comments'
Enabled: false
Naming/AsciiIdentifiers:
Description: 'Use only ascii symbols in identifiers.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#english-identifiers'
Enabled: true
Style/Attr:
Description: 'Checks for uses of Module#attr.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#attr'
Enabled: true
Style/BeginBlock:
Description: 'Avoid the use of BEGIN blocks.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-BEGIN-blocks'
Enabled: true
Style/BarePercentLiterals:
Description: 'Checks if usage of %() or %Q() matches configuration.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-q-shorthand'
Enabled: true
Style/BlockComments:
Description: 'Do not use block comments.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-block-comments'
Enabled: true
Layout/BlockEndNewline:
Description: 'Put end statement of multiline block on its own line.'
Enabled: true
Style/BlockDelimiters:
Description: >-
Avoid using {...} for multi-line blocks (multiline chaining is
always ugly).
Prefer {...} over do...end for single-line blocks.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
Enabled: true
Style/CaseEquality:
Description: 'Avoid explicit use of the case equality operator(===).'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-case-equality'
Enabled: true
Layout/CaseIndentation:
Description: 'Indentation of when in a case/when/[else/]end.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#indent-when-to-case'
Enabled: true
Style/CharacterLiteral:
Description: 'Checks for uses of character literals.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-character-literals'
Enabled: true
Naming/ClassAndModuleCamelCase:
Description: 'Use CamelCase for classes and modules.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#camelcase-classes'
Enabled: true
Style/ClassAndModuleChildren:
Description: 'Checks style of children classes and modules.'
Enabled: false
Style/ClassCheck:
Description: 'Enforces consistent use of `Object#is_a?` or `Object#kind_of?`.'
Enabled: true
Style/ClassMethods:
Description: 'Use self when defining module/class methods.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#def-self-class-methods'
Enabled: true
Style/ClassVars:
Description: 'Avoid the use of class variables.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-class-vars'
Enabled: true
Layout/ClosingParenthesisIndentation:
Description: 'Checks the indentation of hanging closing parentheses.'
Enabled: true
Style/ColonMethodCall:
Description: 'Do not use :: for method call.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#double-colons'
Enabled: true
Style/CommandLiteral:
Description: 'Use `` or %x around command literals.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-x'
Enabled: true
Style/CommentAnnotation:
Description: 'Checks formatting of annotation comments.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#annotate-keywords'
Enabled: true
Layout/CommentIndentation:
Description: 'Indentation of comments.'
Enabled: true
Naming/ConstantName:
Description: 'Constants should use SCREAMING_SNAKE_CASE.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#screaming-snake-case'
Enabled: true
Style/DefWithParentheses:
Description: 'Use def with parentheses when there are arguments.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-parens'
Enabled: true
Style/PreferredHashMethods:
Description: 'Checks for use of deprecated Hash methods.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-key'
Enabled: true
Style/Documentation:
Description: 'Document classes and non-namespace modules.'
Enabled: false
Layout/DotPosition:
Description: 'Checks the position of the dot in multi-line method calls.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#consistent-multi-line-chains'
Enabled: true
Style/DoubleNegation:
Description: 'Checks for uses of double negation (!!).'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-bang-bang'
Enabled: true
Style/EachWithObject:
Description: 'Prefer `each_with_object` over `inject` or `reduce`.'
Enabled: true
Layout/ElseAlignment:
Description: 'Align elses and elsifs correctly.'
Enabled: true
Style/EmptyElse:
Description: 'Avoid empty else-clauses.'
Enabled: true
Layout/EmptyLineBetweenDefs:
Description: 'Use empty lines between defs.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#empty-lines-between-methods'
Enabled: true
Layout/EmptyLines:
Description: "Don't use several empty lines in a row."
Enabled: true
Layout/EmptyLinesAroundAccessModifier:
Description: "Keep blank lines around access modifiers."
Enabled: true
Layout/EmptyLinesAroundBlockBody:
Description: "Keeps track of empty lines around block bodies."
Enabled: true
Layout/EmptyLinesAroundClassBody:
Description: "Keeps track of empty lines around class bodies."
Enabled: true
Layout/EmptyLinesAroundModuleBody:
Description: "Keeps track of empty lines around module bodies."
Enabled: true
Layout/EmptyLinesAroundMethodBody:
Description: "Keeps track of empty lines around method bodies."
Enabled: true
Style/EmptyLiteral:
Description: 'Prefer literals to Array.new/Hash.new/String.new.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#literal-array-hash'
Enabled: true
Style/EndBlock:
Description: 'Avoid the use of END blocks.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-END-blocks'
Enabled: true
Layout/EndOfLine:
Description: 'Use Unix-style line endings.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#crlf'
Enabled: false
Style/EvenOdd:
Description: 'Favor the use of Fixnum#even? && Fixnum#odd?'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#predicate-methods'
Enabled: true
Layout/ExtraSpacing:
Description: 'Do not use unnecessary spacing.'
Enabled: true
Naming/FileName:
Description: 'Use snake_case for source file names.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#snake-case-files'
Enabled: true
Layout/InitialIndentation:
Description: >-
Checks the indentation of the first non-blank non-comment line in a file.
Enabled: true
Layout/FirstArgumentIndentation:
Description: 'Checks the indentation of the first parameter in a method call.'
Enabled: true
Lint/FlipFlop:
Description: 'Checks for flip flops'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-flip-flops'
Enabled: false
Style/For:
Description: 'Checks use of for or each in multiline loops.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-for-loops'
Enabled: true
Style/FormatString:
Description: 'Enforce the use of Kernel#sprintf, Kernel#format or String#%.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#sprintf'
EnforcedStyle: percent
Enabled: true
Style/FormatStringToken:
Enabled: false
Style/GlobalVars:
Description: 'Do not introduce global variables.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#instance-vars'
Reference: 'http://www.zenspider.com/Languages/Ruby/QuickRef.html'
Enabled: true
Style/GuardClause:
Description: 'Check for conditionals that can be replaced with guard clauses'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-nested-conditionals'
Enabled: true
Style/HashSyntax:
Description: >-
Prefer Ruby 1.9 hash syntax { a: 1, b: 2 } over 1.8 syntax
{ :a => 1, :b => 2 }.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-literals'
Enabled: true
Style/IfUnlessModifier:
Description: >-
Favor modifier if/unless usage when you have a
single-line body.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#if-as-a-modifier'
Enabled: true
Style/IfWithSemicolon:
Description: 'Do not use if x; .... Use the ternary operator instead.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-semicolon-ifs'
Enabled: true
Layout/IndentationConsistency:
Description: 'Keep indentation straight.'
Enabled: true
Layout/IndentationWidth:
Description: 'Use 2 spaces for indentation.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-indentation'
Enabled: true
Layout/FirstArrayElementIndentation:
Description: >-
Checks the indentation of the first element in an array
literal.
EnforcedStyle: consistent
Enabled: true
Layout/FirstHashElementIndentation:
Description: 'Checks the indentation of the first key in a hash literal.'
EnforcedStyle: consistent
Enabled: true
Style/InfiniteLoop:
Description: 'Use Kernel#loop for infinite loops.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#infinite-loop'
Enabled: true
Style/Lambda:
Description: 'Use the new lambda literal syntax for single-line blocks.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#lambda-multi-line'
Enabled: true
Style/LambdaCall:
Description: 'Use lambda.call(...) instead of lambda.(...).'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#proc-call'
Enabled: true
Layout/LeadingCommentSpace:
Description: 'Comments should start with a space.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-space'
Enabled: true
Style/LineEndConcatenation:
Description: >-
Use \ instead of + or << to concatenate two string literals at
line end.
Enabled: true
Style/MethodCallWithoutArgsParentheses:
Description: 'Do not use parentheses for method calls with no arguments.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-args-no-parens'
Enabled: true
Style/MethodDefParentheses:
Description: >-
Checks if the method definitions have or don't have
parentheses.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-parens'
Enabled: true
Naming/MethodName:
Description: 'Use the configured style when naming methods.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#snake-case-symbols-methods-vars'
Enabled: true
Style/ModuleFunction:
Description: 'Checks for usage of `extend self` in modules.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#module-function'
Enabled: true
Style/MultilineBlockChain:
Description: 'Avoid multi-line chains of blocks.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
Enabled: true
Layout/MultilineBlockLayout:
Description: 'Ensures newlines after multiline block do statements.'
Enabled: true
Style/MultilineIfThen:
Description: 'Do not use then for multi-line if/unless.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-then'
Enabled: true
Layout/MultilineOperationIndentation:
Description: >-
Checks indentation of binary operations that span more than
one line.
Enabled: true
Style/MultilineTernaryOperator:
Description: >-
Avoid multi-line ?: (the ternary operator);
use if/unless instead.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-multiline-ternary'
Enabled: true
Style/NegatedIf:
Description: >-
Favor unless over if for negative conditions
(or control flow or).
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#unless-for-negatives'
Enabled: false
Style/NegatedWhile:
Description: 'Favor until over while for negative conditions.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#until-for-negatives'
Enabled: false
Style/NestedTernaryOperator:
Description: 'Use one expression per branch in a ternary operator.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-nested-ternary'
Enabled: true
Style/Next:
Description: 'Use `next` to skip iteration instead of a condition at the end.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-nested-conditionals'
Enabled: true
Style/NilComparison:
Description: 'Prefer x.nil? to x == nil.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#predicate-methods'
EnforcedStyle: comparison
Enabled: true
Style/NonNilCheck:
# With `IncludeSemanticChanges` set to `true`, this cop reports offenses for
# `!x.nil?` and autocorrects that and `x != nil` to solely `x`, which is
# **usually** OK, but might change behavior.
#
# With `IncludeSemanticChanges` set to `false`, this cop does not report
# offenses for `!x.nil?` and does no changes that might change behavior.
Description: 'Checks for redundant nil checks.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-non-nil-checks'
IncludeSemanticChanges: true
Enabled: false
Style/Not:
Description: 'Use ! instead of not.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#bang-not-not'
Enabled: false
Style/NumericLiterals:
Description: >-
Add underscores to large numeric literals to improve their
readability.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscores-in-numerics'
Enabled: true
Style/OneLineConditional:
Description: >-
Favor the ternary operator(?:) over
if/then/else/end constructs.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#ternary-operator'
Enabled: true
Naming/BinaryOperatorParameterName:
Description: 'When defining binary operators, name the argument other.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#other-arg'
Enabled: true
Style/OptionalArguments:
Description: >-
Checks for optional arguments that do not appear at the end
of the argument list
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#optional-arguments'
Enabled: true
Style/ParallelAssignment:
Description: >-
Check for simple usages of parallel assignment.
It will only warn when the number of variables
matches on both sides of the assignment.
This also provides performance benefits
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#parallel-assignment'
Enabled: true
Style/ParenthesesAroundCondition:
Description: >-
Don't use parentheses around the condition of an
if/unless/while.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-parens-if'
Enabled: true
Style/PercentLiteralDelimiters:
Description: 'Use `%`-literal delimiters consistently'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-literal-braces'
Enabled: true
Style/PercentQLiterals:
Description: 'Checks if uses of %Q/%q match the configured preference.'
Enabled: true
Style/PerlBackrefs:
Description: 'Avoid Perl-style regex back references.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-perl-regexp-last-matchers'
Enabled: false
Naming/PredicateName:
Description: 'Check the names of predicate methods.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#bool-methods-qmark'
Enabled: true
Style/Proc:
Description: 'Use proc instead of Proc.new.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#proc'
Enabled: true
Style/RaiseArgs:
Description: 'Checks the arguments passed to raise/fail.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#exception-class-messages'
Enabled: true
Style/RedundantBegin:
Description: "Don't use begin blocks when they are not needed."
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#begin-implicit'
Enabled: true
Style/RedundantException:
Description: "Checks for an obsolete RuntimeException argument in raise/fail."
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-explicit-runtimeerror'
Enabled: true
Style/RedundantReturn:
Description: "Don't use return where it's not required."
# When `true` allows code like `return x, y`.
AllowMultipleReturnValues: false
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-explicit-return'
Enabled: false
Style/RedundantSelf:
Description: "Don't use self where it's not needed."
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-self-unless-required'
Enabled: true
Style/RegexpLiteral:
Description: 'Use / or %r around regular expressions.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-r'
EnforcedStyle: slashes
AllowInnerSlashes: false
Enabled: true
Layout/RescueEnsureAlignment:
Description: 'Align rescues and ensures correctly.'
Enabled: true
Style/RescueModifier:
Description: 'Avoid using rescue in its modifier form.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-rescue-modifiers'
Enabled: true
Style/SelfAssignment:
Description: >-
Checks for places where self-assignment shorthand should have
been used.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#self-assignment'
Enabled: true
Style/Semicolon:
Description: "Don't use semicolons to terminate expressions."
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-semicolon'
Enabled: true
Style/SignalException:
Description: 'Checks for proper usage of fail and raise.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#fail-method'
EnforcedStyle: semantic
Enabled: true
Style/SingleLineBlockParams:
Description: 'Enforces the names of some block params.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#reduce-blocks'
Methods:
- reduce:
- sum
- v
- inject:
- sum
- v
Enabled: true
Style/SingleLineMethods:
Description: 'Avoid single-line methods.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-single-line-methods'
Enabled: true
Layout/SpaceBeforeFirstArg:
Description: >-
Checks that exactly one space is used between a method name
and the first argument for method calls without parentheses.
Enabled: true
Layout/SpaceAfterColon:
Description: 'Use spaces after colons.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
Enabled: true
Layout/SpaceAfterComma:
Description: 'Use spaces after commas.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
Enabled: true
Layout/SpaceAroundKeyword:
Description: 'Use spaces around keywords.'
Enabled: true
Layout/SpaceAfterMethodName:
Description: >-
Do not put a space between a method name and the opening
parenthesis in a method definition.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#parens-no-spaces'
Enabled: true
Layout/SpaceAfterNot:
Description: Tracks redundant space after the ! operator.
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-space-bang'
Enabled: true
Layout/SpaceAfterSemicolon:
Description: 'Use spaces after semicolons.'
StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
Enabled: true
Layout/SpaceBeforeBlockBraces:
Description: >-
Checks that the left block brace has or doesn't have space
before it.
EnforcedStyle: no_space
Enabled: true
Layout/SpaceBeforeComma:
Description: 'No spaces before commas.'
Enabled: true