rubocop.yml

# Common configuration.
AllCops:
  # Include common Ruby source files.
  Include:
    - '**/*.gemspec'
    - '**/*.podspec'
    - '**/*.jbuilder'
    - '**/*.rake'
    - '**/*.opal'
    - '**/config.ru'
    - '**/Gemfile'
    - '**/Rakefile'
    - '**/Capfile'
    - '**/Guardfile'
    - '**/Podfile'
    - '**/Thorfile'
    - '**/Vagrantfile'
    - '**/Berksfile'
    - '**/Cheffile'
    - '**/Vagabondfile'
  Exclude:
    - 'vendor/**/*'
  # Default formatter will be used if no -f/--format option is given.
  DefaultFormatter: progress
  # Cop names are not displayed in offense messages by default. Change behavior
  # by overriding DisplayCopNames, or by giving the -D/--display-cop-names
  # option.
  DisplayCopNames: true
  # Style guide URLs are not displayed in offense messages by default. Change
  # behavior by overriding DisplayStyleGuide, or by giving the
  # -S/--display-style-guide option.
  DisplayStyleGuide: true
  # Extra details are not displayed in offense messages by default. Change
  # behavior by overriding ExtraDetails, or by giving the
  # -E/--extra-details option.
  ExtraDetails: true
  # Additional cops that do not reference a style guide rule may be enabled by
  # default. Change behavior by overriding StyleGuideCopsOnly, or by giving
  # the --only-guide-cops option.
  StyleGuideCopsOnly: false
  # All cops except the ones in disabled.yml are enabled by default. Change
  # this behavior by overriding DisabledByDefault. When DisabledByDefault is
  # true, all cops in the default configuration are disabled, and and only cops
  # in user configuration are enabled. This makes cops opt-in instead of
  # opt-out. Note that when DisabledByDefault is true, cops in user
  # configuration will be enabled even if they don't set the Enabled parameter.
  DisabledByDefault: false
  # Enables the result cache if true. Can be overridden by the --cache command
  # line option.
  UseCache: true
  # Threshold for how many files can be stored in the result cache before some
  # of the files are automatically removed.
  MaxFilesInCache: 20000
  # The cache will be stored in "rubocop_cache" under this directory. The name
  # "/tmp" is special and will be converted to the system temporary directory,
  # which is "/tmp" on Unix-like systems, but could be something else on other
  # systems.
  CacheRootDirectory: /tmp
  # What version of the Ruby interpreter is the inspected code intended to
  # run on? (If there is more than one, set this to the lowest version.)
  TargetRubyVersion: 2.3

Style/AccessModifierIndentation:
  Description: Check indentation of private/protected visibility modifiers.
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#indent-public-private-protected'
  EnforcedStyle: indent
  SupportedStyles:
    - outdent
    - indent
  # By default, the indentation width from Style/IndentationWidth is used
  # But it can be overridden by setting this parameter
  IndentationWidth: ~
  Enabled: true

Style/AccessorMethodName:
  Description: Check the naming of accessor methods for get_/set_.
  Enabled: true

Style/Alias:
  Description: 'Use alias_method instead of alias.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#alias-method'
  Enabled: true
  EnforcedStyle: prefer_alias
  SupportedStyles:
    - prefer_alias
    - prefer_alias_method


Style/AlignArray:
  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

Style/AlignHash:
  Description: >-
                 Align the elements of a hash literal if they span more than
                 one line.
  Enabled: true
  # Alignment of entries using hash rocket as separator. Valid values are:
  #
  # key - left alignment of keys
  #   'a' => 2
  #   'bb' => 3
  # separator - alignment of hash rockets, keys are right aligned
  #    'a' => 2
  #   'bb' => 3
  # table - left alignment of keys, hash rockets, and values
  #   'a'  => 2
  #   'bb' => 3
  EnforcedHashRocketStyle: table
  # Alignment of entries using colon as separator. Valid values are:
  #
  # key - left alignment of keys
  #   a: 0
  #   bb: 1
  # separator - alignment of colons, keys are right aligned
  #    a: 0
  #   bb: 1
  # table - left alignment of keys and values
  #   a:  0
  #   bb: 1
  EnforcedColonStyle: table
  # Select whether hashes that are the last argument in a method call should be
  # inspected? Valid values are:
  #
  # always_inspect - Inspect both implicit and explicit hashes.
  #   Registers an offense for:
  #     function(a: 1,
  #       b: 2)
  #   Registers an offense for:
  #     function({a: 1,
  #       b: 2})
  # always_ignore - Ignore both implicit and explicit hashes.
  #   Accepts:
  #     function(a: 1,
  #       b: 2)
  #   Accepts:
  #     function({a: 1,
  #       b: 2})
  # ignore_implicit - Ignore only implicit hashes.
  #   Accepts:
  #     function(a: 1,
  #       b: 2)
  #   Registers an offense for:
  #     function({a: 1,
  #       b: 2})
  # ignore_explicit - Ignore only explicit hashes.
  #   Accepts:
  #     function({a: 1,
  #       b: 2})
  #   Registers an offense for:
  #     function(a: 1,
  #       b: 2)
  EnforcedLastArgumentHashStyle: always_inspect
  SupportedLastArgumentHashStyles:
    - always_inspect
    - always_ignore
    - ignore_implicit
    - ignore_explicit

Style/AlignParameters:
  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
  # Alignment of parameters in multi-line method calls.
  #
  # The `with_first_parameter` style aligns the following lines along the same
  # column as the first parameter.
  #
  #     method_call(a,
  #                 b)
  #
  # The `with_fixed_indentation` style aligns the following lines with one
  # level of indentation relative to the start of the line with the method call.
  #
  #     method_call(a,
  #       b)
  EnforcedStyle: with_first_parameter
  SupportedStyles:
    - with_first_parameter
    - with_fixed_indentation

Style/AndOr:
  Description: 'Use &&/|| instead of and/or.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-and-or-or'
  Enabled: true
  # Whether `and` and `or` are banned only in conditionals (conditionals)
  # or completely (always).
  EnforcedStyle: conditionals
  SupportedStyles:
    - always
    - conditionals

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: true

Style/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/AutoResourceCleanup:
  Description: 'Suggests the usage of an auto resource cleanup version of a method (if available).'
  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
  EnforcedStyle: bare_percent
  SupportedStyles:
    - percent_q
    - bare_percent

Style/BeginBlock:
  Description: 'Avoid the use of BEGIN blocks.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-BEGIN-blocks'
  Enabled: true

Style/BlockComments:
  Description: 'Do not use block comments.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-block-comments'
  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
  EnforcedStyle: line_count_based
  SupportedStyles:
    # The `line_count_based` style enforces braces around single line blocks and
    # do..end around multi-line blocks.
    - line_count_based
    # The `semantic` style enforces braces around functional blocks, where the
    # primary purpose of the block is to return a value and do..end for
    # procedural blocks, where the primary purpose of the block is its
    # side-effects.
    #
    # This looks at the usage of a block's method to determine its type (e.g. is
    # the result of a `map` assigned to a variable or passed to another
    # method) but exceptions are permitted in the `ProceduralMethods`,
    # `FunctionalMethods` and `IgnoredMethods` sections below.
    - semantic
    # The `braces_for_chaining` style enforces braces around single line blocks
    # and do..end around multi-line blocks, except for multi-line blocks whose
    # return value is being chained with another method (in which case braces
    # are enforced).
    - braces_for_chaining
  ProceduralMethods:
    # Methods that are known to be procedural in nature but look functional from
    # their usage, e.g.
    #
    #   time = Benchmark.realtime do
    #     foo.bar
    #   end
    #
    # Here, the return value of the block is discarded but the return value of
    # `Benchmark.realtime` is used.
    - benchmark
    - bm
    - bmbm
    - create
    - each_with_object
    - measure
    - new
    - realtime
    - tap
    - with_object
  FunctionalMethods:
    # Methods that are known to be functional in nature but look procedural from
    # their usage, e.g.
    #
    #   let(:foo) { Foo.new }
    #
    # Here, the return value of `Foo.new` is used to define a `foo` helper but
    # doesn't appear to be used from the return value of `let`.
    - let
    - let!
    - subject
    - watch
  IgnoredMethods:
    # Methods that can be either procedural or functional and cannot be
    # categorised from their usage alone, e.g.
    #
    #   foo = lambda do |x|
    #     puts "Hello, #{x}"
    #   end
    #
    #   foo = lambda do |x|
    #     x * 100
    #   end
    #
    # Here, it is impossible to tell from the return value of `lambda` whether
    # the inner block's return value is significant.
    - lambda
    - proc
    - it

Style/BlockEndNewline:
  Description: 'Put end statement of multiline block on its own line.'
  Enabled: true

Style/BracesAroundHashParameters:
  Description: 'Enforce braces style around hash parameters.'
  Enabled: true
  EnforcedStyle: context_dependent
  SupportedStyles:
    # The `braces` style enforces braces around all method parameters that are
    # hashes.
    - braces
    # The `no_braces` style checks that the last parameter doesn't have braces
    # around it.
    - no_braces
    # The `context_dependent` style checks that the last parameter doesn't have
    # braces around it, but requires braces if the second to last parameter is
    # also a hash literal.
    - context_dependent

Style/CaseEquality:
  Description: 'Avoid explicit use of the case equality operator(===).'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-case-equality'
  Enabled: true

Style/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
  IndentWhenRelativeTo: case
  SupportedStyles:
    - case
    - end
  IndentOneStep: false
  # By default, the indentation width from Style/IndentationWidth is used
  # But it can be overridden by setting this parameter
  # This only matters if IndentOneStep is true
  IndentationWidth: ~

Style/CharacterLiteral:
  Description: 'Checks for uses of character literals.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-character-literals'
  Enabled: true

Style/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: true
  # Checks the style of children definitions at classes and modules.
  #
  # Basically there are two different styles:
  #
  # `nested` - have each child on a separate line
  #   class Foo
  #     class Bar
  #     end
  #   end
  #
  # `compact` - combine definitions as much as possible
  #   class Foo::Bar
  #   end
  #
  # The compact style is only forced, for classes / modules with one child.
  EnforcedStyle: compact
  SupportedStyles:
    - nested
    - compact

Style/ClassCheck:
  Description: 'Enforces consistent use of `Object#is_a?` or `Object#kind_of?`.'
  Enabled: true
  EnforcedStyle: is_a?
  SupportedStyles:
    - is_a?
    - kind_of?

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

Style/ClosingParenthesisIndentation:
  Description: 'Checks the indentation of hanging closing parentheses.'
  Enabled: true

Style/CollectionMethods:
  Description: 'Preferred collection methods.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#map-find-select-reduce-size'
  Enabled: true
  # Mapping from undesired method to desired_method
  # e.g. to use `detect` over `find`:
  #
  # CollectionMethods:
  #   PreferredMethods:
  #     find: detect
  PreferredMethods:
    collect: 'map'
    collect!: 'map!'
    detect: 'find'
    find_all: 'select'
    inject: 'reduce'
    length: 'size'

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
  # backticks: Always use backticks.
  # percent_x: Always use %x.
  # mixed: Use backticks on single-line commands, and %x on multi-line commands.
  EnforcedStyle: mixed
  SupportedStyles:
    - backticks
    - percent_x
    - mixed
  # If false, the cop will always recommend using %x if one or more backticks
  # are found in the command string.
  AllowInnerBackticks: false

Style/CommentAnnotation:
  Description: >-
                 Checks formatting of special comments
                 (TODO, FIXME, OPTIMIZE, HACK, REVIEW).
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#annotate-keywords'
  Enabled: true
  Keywords:
    - TODO
    - FIXME
    - OPTIMIZE
    - HACK
    - REVIEW

Style/CommentIndentation:
  Description: 'Indentation of comments.'
  Enabled: true

Style/ConditionalAssignment:
  Description: >-
                 Use the return value of `if` and `case` statements for
                 assignment to a variable and variable comparison instead
                 of assigning that variable inside of each branch.
  Enabled: true
  SingleLineConditionsOnly: true
  # Whether the cop should register offenses for conditionals whose branches
  # contain more than one statement a piece

Style/ConstantName:
  Description: 'Constants should use SCREAMING_SNAKE_CASE.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#screaming-snake-case'
  Enabled: true

# Checks that you have put a copyright in a comment before any code.
#
# You can override the default Notice in your .rubocop.yml file.
#
# In order to use autocorrect, you must supply a value for the
# AutocorrectNotice key that matches the regexp Notice.  A blank
# AutocorrectNotice will cause an error during autocorrect.
#
# Autocorrect will add a copyright notice in a comment at the top
# of the file immediately after any shebang or encoding comments.
#
# Example rubocop.yml:
#
# Style/Copyright:
#   Enabled: true
#   Notice: 'Copyright (\(c\) )?2015 Yahoo! Inc'
#   AutocorrectNotice: '# Copyright (c) 2015 Yahoo! Inc.'
#
Style/Copyright:
  Description: 'Include a copyright notice in each file before any code.'
  Enabled: true
  Notice: '(Copyright \(c\) 20\d\d .+|Unknown Copyright)'
  AutocorrectNotice: '# Copyright (c) 2016 Pete Hanson'

Style/DefWithParentheses:
  Description: 'Use def with parentheses when there are arguments.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-parens'
  Enabled: false

Style/Documentation:
  Description: 'Document classes and non-namespace modules.'
  Enabled: false
  Exclude:
    - 'spec/**/*'
    - 'test/**/*'
    - 'test_*'

Style/DocumentationMethod:
  Enabled: false
  RequireForNonPublicMethods: false

Style/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
  EnforcedStyle: leading
  SupportedStyles:
    - leading
    - trailing

Style/DoubleNegation:
  Description: 'Checks for uses of double negation (!!).'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-bang-bang'
  Enabled: true

Style/EachForSimpleLoop:
  Description: >-
                 Use `Integer#times` for a simple loop which iterates a fixed
                 number of times.
  Enabled: true

Style/EachWithObject:
  Description: 'Prefer `each_with_object` over `inject` or `reduce`.'
  Enabled: true

Style/ElseAlignment:
  Description: 'Align elses and elsifs correctly.'
  Enabled: true

Style/EmptyElse:
  Description: 'Avoid empty else-clauses.'
  Enabled: true
  EnforcedStyle: both
  # Warn on empty else statements
  # empty - warn only on empty else
  # nil - warn on else with nil in it
  # both - warn on empty else and else with nil in it
  SupportedStyles:
    - empty
    - nil
    - both

Style/EmptyLineBetweenDefs:
  Enabled: true
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#empty-lines-between-methods'
  # If true, this parameter means that single line method definitions don't
  # need an empty line between them.
  AllowAdjacentOneLineDefs: true

Style/EmptyLines:
  Description: "Don't use several empty lines in a row."
  Enabled: true

Style/EmptyLinesAroundAccessModifier:
  Description: "Keep blank lines around access modifiers."
  Enabled: true

Style/EmptyLinesAroundBlockBody:
  Description: "Keeps track of empty lines around block bodies."
  Enabled: true
  EnforcedStyle: no_empty_lines
  SupportedStyles:
    - empty_lines
    - no_empty_lines

Style/EmptyLinesAroundClassBody:
  Description: "Keeps track of empty lines around class bodies."
  Enabled: true
  EnforcedStyle: no_empty_lines
  SupportedStyles:
    - empty_lines
    - no_empty_lines

Style/EmptyLinesAroundModuleBody:
  Description: "Keeps track of empty lines around module bodies."
  Enabled: true
  EnforcedStyle: no_empty_lines
  SupportedStyles:
    - empty_lines
    - no_empty_lines

Style/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

# Checks whether the source file has a utf-8 encoding comment or not
# AutoCorrectEncodingComment must match the regex
# /#.*coding\s?[:=]\s?(?:UTF|utf)-8/
Style/Encoding:
  Description: 'Use UTF-8 as the source file encoding.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#utf-8'
  Enabled: true
  EnforcedStyle: when_needed
  SupportedStyles:
    - when_needed
    - always
  AutoCorrectEncodingComment: '# encoding: utf-8'

Style/EndBlock:
  Description: 'Avoid the use of END blocks.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-END-blocks'
  Enabled: true

Style/EndOfLine:
  Description: 'Use Unix-style line endings.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#crlf'
  Enabled: true

Style/EvenOdd:
  Description: 'Favor the use of Integer#even? && Integer#odd?'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#predicate-methods'
  Enabled: true

Style/ExtraSpacing:
  Description: 'Do not use unnecessary spacing.'
  Enabled: true
  # When true, allows most uses of extra spacing if the intent is to align
  # things with the previous or next line, not counting empty lines or comment
  # lines.
  AllowForAlignment: true
  # When true, forces the alignment of = in assignments on consecutive lines.
  ForceEqualSignAlignment: false

# Disables checks for snake_case file names. This is needed within Sublime Text
# thanks to the use of temporary files.
Style/FileName:
  Description: 'Use snake_case for source file names.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#snake-case-files'
  Enabled: true
  # File names listed in AllCops:Include are excluded by default. Add extra
  # excludes here.
  Exclude: []
  # When true, requires that each source file should define a class or module
  # with a name which matches the file name (converted to ... case).
  # It further expects it to be nested inside modules which match the names
  # of subdirectories in its path.
  ExpectMatchingDefinition: false
  # If non-nil, expect all source file names to match the following regex.
  # Only the file name itself is matched, not the entire file path.
  # Use anchors as necessary if you want to match the entire name rather than
  # just a part of it.
  Regex: ~
  # With `IgnoreExecutableScripts` set to `true`, this cop does not
  # report offending filenames for executable scripts (i.e. source
  # files with a shebang in the first line).
  IgnoreExecutableScripts: true

Style/FirstArrayElementLineBreak:
  Description: >-
                 Checks for a line break before the first element in a
                 multi-line array.
  Enabled: false

Style/FirstHashElementLineBreak:
  Description: >-
                 Checks for a line break before the first element in a
                 multi-line hash.
  Enabled: false

Style/FirstMethodArgumentLineBreak:
  Description: >-
                 Checks for a line break before the first argument in a
                 multi-line method call.
  Enabled: false

Style/FirstMethodParameterLineBreak:
  Description: >-
                 Checks for a line break before the first parameter in a
                 multi-line method parameter definition.
  Enabled: false

Style/FirstParameterIndentation:
  Description: 'Checks the indentation of the first parameter in a method call.'
  Enabled: true
  EnforcedStyle: special_for_inner_method_call_in_parentheses
  SupportedStyles:
    # The first parameter should always be indented one step more than the
    # preceding line.
    - consistent
    # The first parameter should normally be indented one step more than the
    # preceding line, but if it's a parameter for a method call that is itself
    # a parameter in a method call, then the inner parameter should be indented
    # relative to the inner method.
    - special_for_inner_method_call
    # Same as special_for_inner_method_call except that the special rule only
    # applies if the outer method call encloses its arguments in parentheses.
    - special_for_inner_method_call_in_parentheses
  # By default, the indentation width from Style/IndentationWidth is used
  # But it can be overridden by setting this parameter
  IndentationWidth: ~

Style/FlipFlop:
  Description: 'Checks for flip flops'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-flip-flops'
  Enabled: true

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
  EnforcedStyle: each
  SupportedStyles:
    - for
    - each

Style/FormatString:
  Description: 'Enforce the use of Kernel#sprintf, Kernel#format or String#%.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#sprintf'
  Enabled: true
  EnforcedStyle: format
  SupportedStyles:
    - format
    - sprintf
    - percent

Style/FrozenStringLiteralComment:
  Description: >-
                 Add the frozen_string_literal comment to the top of files
                 to help transition from Ruby 2.3.0 to Ruby 3.0.
  Enabled: true
  EnforcedStyle: when_needed
  SupportedStyles:
    # `when_needed` will add the frozen string literal comment to files that call
    # `freeze` or `<<` on a string literal. It will only add the comment to files
    # when running Ruby 2.3.0+.
    - when_needed
    # `always` will always add the frozen string literal comment to a file
    # regardless of the Ruby version or if `freeze` or `<<` are called on a
    # string literal. If you run code against multiple versions of Ruby, it is
    # possible that this will create errors in Ruby 2.3.0+.
    - always

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
  AllowedVariables: []

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
  # `MinBodyLength` defines the number of lines of the a body of an if / unless
  # needs to have to trigger this cop
  MinBodyLength: 1

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
  EnforcedStyle: ruby19_no_mixed_keys
  SupportedStyles:
    # checks for 1.9 syntax (e.g. {a: 1}) for all symbol keys
    - ruby19
    # checks for hash rocket syntax for all hashes
    - hash_rockets
    # forbids mixed key syntaxes (e.g. {a: 1, :b => 2})
    - no_mixed_keys
    # enforces both ruby19 and no_mixed_keys styles
    - ruby19_no_mixed_keys
  # Force hashes that have a symbol value to use hash rockets
  UseHashRocketsWithSymbolValues: false
  # Do not suggest { a?: 1 } over { :a? => 1 } in ruby19 style
  PreferHashRocketsForNonAlnumEndingSymbols: false

Style/IfInsideElse:
  Description: 'Finds if nodes inside else, which can be converted to elsif.'
  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
  MaxLineLength: 80

Style/IfUnlessModifierOfIfUnless:
 Description: >-
                Avoid modifier if/unless usage on conditionals.
 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

Style/IndentationConsistency:
  Description: 'Keep indentation straight.'
  Enabled: true
  # The difference between `rails` and `normal` is that the `rails` style
  # prescribes that in classes and modules the `protected` and `private`
  # modifier keywords shall be indented the same as public methods and that
  # protected and private members shall be indented one step more than the
  # modifiers. Other than that, both styles mean that entities on the same
  # logical depth shall have the same indentation.
  EnforcedStyle: normal
  SupportedStyles:
    - normal
    - rails

Style/IndentationWidth:
  Description: 'Use 2 spaces for indentation.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-indentation'
  Enabled: true
  # Number of spaces for each indentation level.
  Width: 2

Style/IdenticalConditionalBranches:
  Description: >-
                 Checks that conditional statements do not have an identical
                 line at the end of each branch, which can validly be moved
                 out of the conditional.
  Enabled: true

Style/ImplicitRuntimeError:
  Description: >-
                 Use `raise` or `fail` with an explicit exception class and
                 message, rather than just a message.
  Enabled: true

Style/IndentArray:
  Description: >-
                 Checks the indentation of the first element in an array
                 literal.
  Enabled: true
  # The value `special_inside_parentheses` means that array literals with
  # brackets that have their opening bracket on the same line as a surrounding
  # opening round parenthesis, shall have their first element indented relative
  # to the first position inside the parenthesis.
  #
  # The value `consistent` means that the indentation of the first element shall
  # always be relative to the first position of the line where the opening
  # bracket is.
  #
  # The value `align_brackets` means that the indentation of the first element
  # shall always be relative to the position of the opening bracket.
  EnforcedStyle: special_inside_parentheses
  SupportedStyles:
    - special_inside_parentheses
    - consistent
    - align_brackets
  # By default, the indentation width from Style/IndentationWidth is used
  # But it can be overridden by setting this parameter
  IndentationWidth: ~

Style/IndentAssignment:
  Description: >-
                 Checks the indentation of the first line of the
                 right-hand-side of a multi-line assignment.
  Enabled: true
  # By default, the indentation width from Style/IndentationWidth is used
  # But it can be overridden by setting this parameter
  IndentationWidth: ~

Style/IndentHash:
  Description: 'Checks the indentation of the first key in a hash literal.'
  Enabled: true
  # The value `special_inside_parentheses` means that hash literals with braces
  # that have their opening brace on the same line as a surrounding opening
  # round parenthesis, shall have their first key indented relative to the
  # first position inside the parenthesis.
  #
  # The value `consistent` means that the indentation of the first key shall
  # always be relative to the first position of the line where the opening
  # brace is.
  #
  # The value `align_braces` means that the indentation of the first key shall
  # always be relative to the position of the opening brace.
  EnforcedStyle: special_inside_parentheses
  SupportedStyles:
    - special_inside_parentheses
    - consistent
    - align_braces
  # By default, the indentation width from Style/IndentationWidth is used
  # But it can be overridden by setting this parameter
  IndentationWidth: ~

Style/InfiniteLoop:
  Description: 'Use Kernel#loop for infinite loops.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#infinite-loop'
  Enabled: true

Style/InitialIndentation:
  Description: >-
    Checks the indentation of the first non-blank non-comment line in a file.
  Enabled: true

Style/InlineComment:
  Description: 'Avoid trailing inline comments.'
  Enabled: false

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
  EnforcedStyle: call
  SupportedStyles:
    - call
    - braces

Style/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/MethodCalledOnDoEndBlock:
  Description: 'Avoid chaining a method call on a do...end block.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
  Enabled: true

Style/MethodCallParentheses:
  Description: 'Do not use parentheses for method calls with no arguments.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-invocation-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
  EnforcedStyle: require_no_parentheses
  SupportedStyles:
    - require_parentheses
    - require_no_parentheses
    - require_no_parentheses_except_multiline

Style/MethodMissing:
  Description: 'Avoid using `method_missing`.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-method-missing'
  Enabled: true

Style/MethodName:
  Description: 'Use the configured style when naming methods.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#snake-case-symbols-methods-vars'
  Enabled: true
  EnforcedStyle: snake_case
  SupportedStyles:
    - snake_case
    - camelCase

Style/ModuleFunction:
  EnforcedStyle: module_function
  SupportedStyles:
    - module_function
    - extend_self

Style/MissingElse:
  Description: >-
                Require if/case expressions to have an else branches.
                If enabled, it is recommended that
                Style/UnlessElse and Style/EmptyElse be enabled.
                This will conflict with Style/EmptyElse if
                Style/EmptyElse is configured to style "both"
  Enabled: false
  EnforcedStyle: both
  SupportedStyles:
    # if - warn when an if expression is missing an else branch
    # case - warn when a case expression is misisng an else branch
    # both - warn when an if or case expression is missing an else branch
    - if
    - case
    - both

Style/ModuleFunction:
  Description: 'Checks for usage of `extend self` in modules.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#module-function'
  Enabled: true

Style/MultilineArrayBraceLayout:
  Description: >-
                 Checks that the closing brace in an array literal is
                 symmetrical with respect to the opening brace and the
                 array elements.
  Enabled: true

Style/MultilineAssignmentLayout:
  Description: 'Check for a newline after the assignment operator in multi-line assignments.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#indent-conditional-assignment'
  Enabled: true
  # The types of assignments which are subject to this rule.
  SupportedTypes:
    - case
    - class
    - if
    - kwbegin
    - module
  EnforcedStyle: new_line
  SupportedStyles:
    # Ensures that the assignment operator and the rhs are on the same line for
    # the set of supported types.
    - same_line
    # Ensures that the assignment operator and the rhs are on separate lines
    # for the set of supported types.
    - new_line

Style/MultilineBlockChain:
  Description: 'Avoid multi-line chains of blocks.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
  Enabled: true

Style/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

Style/MultilineMethodCallIndentation:
  Description: >-
                 Checks indentation of method calls with the dot operator
                 that span more than one line.
  Enabled: true
  EnforcedStyle: aligned
  SupportedStyles:
    - aligned
    - indented
    - indented_relative_to_receiver
  # By default, the indentation width from Style/IndentationWidth is used
  # But it can be overridden by setting this parameter
  IndentationWidth: ~

Style/MultilineOperationIndentation:
  Description: >-
                 Checks indentation of binary operations that span more than
                 one line.
  Enabled: true
  EnforcedStyle: aligned
  SupportedStyles:
    - aligned
    - indented
  # By default, the indentation width from Style/IndentationWidth is used
  # But it can be overridden by setting this parameter
  IndentationWidth: ~

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/MutableConstant:
  Description: 'Do not assign mutable objects to constants.'
  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: true

Style/NegatedWhile:
  Description: 'Favor until over while for negative conditions.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#until-for-negatives'
  Enabled: true

Style/NestedModifier:
  Description: 'Avoid using nested modifiers.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-nested-modifiers'
  Enabled: true

Style/NestedParenthesizedCalls:
  Description: >-
                 Parenthesize method calls which are nested inside the
                 argument list of another parenthesized method call.
  Enabled: true

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
  # With `always` all conditions at the end of an iteration needs to be
  # replaced by next - with `skip_modifier_ifs` the modifier if like this one
  # are ignored: [1, 2].each { |a| return 'yes' if a == 1 }
  EnforcedStyle: skip_modifier_ifs
  # `MinBodyLength` defines the number of lines of the a body of an if / unless
  # needs to have to trigger this cop
  MinBodyLength: 3
  SupportedStyles:
    - skip_modifier_ifs
    - always

Style/NilComparison:
  Description: 'Prefer x.nil? to x == nil.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#predicate-methods'
  Enabled: true

Style/NonNilCheck:
  Enabled: true
  Description: 'Checks for redundant nil checks.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-non-nil-checks'
  # 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.
  IncludeSemanticChanges: true

Style/Not:
  Description: 'Use ! instead of not.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#bang-not-not'
  Enabled: true

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
  MinDigits: 5

Style/NumericLiteralPrefix:
  Enabled: true
  EnforcedOctalStyle: zero_with_o
  SupportedOctalStyles:
    - zero_with_o
    - zero_only

Style/NumericPredicate:
  Description: >-
                 Checks for the use of predicate- or comparison methods for
                 numeric comparisons.
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#predicate-methods'
  Enabled: true
  EnforcedStyle: predicate
  SupportedStyles:
    - predicate
    - comparison
  # Exclude RSpec specs because assertions like `expect(1).to be > 0` cause
  # false positives.
  Exclude:
    - 'spec/**/*'

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

Style/OpMethod:
  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/OptionHash:
  Description: "Don't use option hashes when you can use keyword arguments."
  Enabled: true
  # A list of parameter names that will be flagged by this cop.
  SuspiciousParamNames:
    - options
    - opts
    - args
    - params
    - parameters

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.
  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
  AllowSafeAssignment: false

Style/PercentLiteralDelimiters:
  Description: 'Use `%`-literal delimiters consistently'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-literal-braces'
  Enabled: true
  PreferredDelimiters:
    '%':  ()
    '%i': ()
    '%q': ()
    '%Q': ()
    '%r': '{}'
    '%s': ()
    '%w': ()
    '%W': ()
    '%x': ()

Style/PercentQLiterals:
  Description: 'Checks if uses of %Q/%q match the configured preference.'
  Enabled: true
  EnforcedStyle: lower_case_q
  SupportedStyles:
    - lower_case_q # Use %q when possible, %Q when necessary
    - upper_case_q # Always use %Q

Style/PerlBackrefs:
  Description: 'Avoid Perl-style regex back references.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-perl-regexp-last-matchers'
  Enabled: true

Style/PredicateName:
  Description: 'Check the names of predicate methods.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#bool-methods-qmark'
  Enabled: true
  # Predicate name prefixes.
  NamePrefix:
    - is_
    - has_
    - have_
  # Predicate name prefixes that should be removed.
  NamePrefixBlacklist:
    - is_
    - has_
    - have_
  # Predicate names which, despite having a blacklisted prefix, or no ?,
  # should still be accepted
  NameWhitelist:
    - is_a?

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
  EnforcedStyle: exploded
  SupportedStyles:
    - compact # raise Exception.new(msg)
    - exploded # raise Exception, msg

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/RedundantFreeze:
  Description: "Checks usages of Object#freeze on immutable objects."
  Enabled: true

Style/RedundantParentheses:
  Description: "Checks for parentheses that seem not to serve any purpose."
  Enabled: true

Style/RedundantReturn:
  Description: "Don't use return where it's not required."
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-explicit-return'
  Enabled: true
  # When true allows code like `return x, y`.
  AllowMultipleReturnValues: 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'
  Enabled: true
  EnforcedStyle: mixed
  # slashes: Always use slashes.
  # percent_r: Always use %r.
  # mixed: Use slashes on single-line regexes, and %r on multi-line regexes.
  SupportedStyles:
    - slashes
    - percent_r
    - mixed
  # If false, the cop will always recommend using %r if one or more slashes
  # are found in the regexp string.
  AllowInnerSlashes: false

Style/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/SafeNavigation:
  Description: >-
                  This cop transforms usages of a method call safeguarded by
                  a check for the existance of the object to
                  safe navigation (`&.`).
  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
  # Allow ; to separate several expressions on the same line.
  AllowAsExpressionSeparator: false

Style/Send:
  Description: 'Prefer `Object#__send__` or `Object#public_send` to `send`, as `send` may overlap with existing methods.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#prefer-public-send'
  Enabled: true

Style/SignalException:
  Description: 'Checks for proper usage of fail and raise.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#fail-method'
  Enabled: true
  EnforcedStyle: only_raise
  SupportedStyles:
    - only_raise
    - only_fail
    - semantic

Style/SingleLineBlockParams:
  Description: Enforces the names of some block params.
  StyleGuide: https://github.com/bbatsov/ruby-style-guide#reduce-blocks
  Enabled: false
  Methods:
  - reduce:
    - a
    - e
  - inject:
    - a
    - e

Style/SingleLineMethods:
  Description: 'Avoid single-line methods.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-single-line-methods'
  Enabled: true
  AllowIfMethodIsEmpty: true

Style/SpaceAfterColon:
  Description: 'Use spaces after colons.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
  Enabled: true

Style/SpaceAfterComma:
  Description: 'Use spaces after commas.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
  Enabled: true

Style/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

Style/SpaceAfterNot:
  Description: Tracks redundant space after the ! operator.
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-space-bang'
  Enabled: true

Style/SpaceAfterSemicolon:
  Description: 'Use spaces after semicolons.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
  Enabled: true

Style/SpaceAroundBlockParameters:
  Description: 'Checks the spacing inside and after block parameters pipes.'
  Enabled: true
  EnforcedStyleInsidePipes: no_space
  SupportedStyles:
    - space
    - no_space

Style/SpaceAroundEqualsInParameterDefault:
  Description: >-
                 Checks that the equals signs in parameter default assignments
                 have or don't have surrounding space depending on
                 configuration.
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-around-equals'
  Enabled: true
  EnforcedStyle: space
  SupportedStyles:
    - space
    - no_space

Style/SpaceAroundKeyword:
  Description: 'Use spaces around keywords.'
  Enabled: true

Style/SpaceAroundOperators:
  Description: 'Use a single space around operators.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
  Enabled: true
  # When true, allows most uses of extra spacing if the intent is to align
  # with an operator on the previous or next line, not counting empty lines
  # or comment lines.
  AllowForAlignment: true

Style/SpaceInsideArrayPercentLiteral:
  Description: 'No unnecessary additional spaces between elements in %i/%w literals.'
  Enabled: true

Style/SpaceInsidePercentLiteralDelimiters:
  Description: 'No unnecessary spaces inside delimiters of %i/%w/%x literals.'
  Enabled: true

Style/SpaceBeforeBlockBraces:
  Description: >-
                 Checks that the left block brace has or doesn't have space
                 before it.
  Enabled: true
  EnforcedStyle: space
  SupportedStyles:
    - space
    - no_space

Style/SpaceBeforeComma:
  Description: 'No spaces before commas.'
  Enabled: true

Style/SpaceBeforeComment:
  Description: >-
                 Checks for missing space between code and a comment on the
                 same line.
  Enabled: true

Style/SpaceBeforeFirstArg:
  Description: >-
                 Checks that exactly one space is used between a method name
                 and the first argument for method calls without parentheses.
  Enabled: true
  # When true, allows most uses of extra spacing if the intent is to align
  # things with the previous or next line, not counting empty lines or comment
  # lines.
  AllowForAlignment: true

Style/SpaceBeforeSemicolon:
  Description: 'No spaces before semicolons.'
  Enabled: true

Style/SpaceInsideBlockBraces:
  Description: >-
                 Checks that block braces have or don't have surrounding space.
                 For blocks taking parameters, checks that the left brace has
                 or doesn't have trailing space.
  Enabled: true
  EnforcedStyle: space
  SupportedStyles:
    - space
    - no_space
  # Valid values are: space, no_space
  EnforcedStyleForEmptyBraces: no_space
  # Space between { and |. Overrides EnforcedStyle if there is a conflict.
  SpaceBeforeBlockParameters: true

Style/SpaceInsideBrackets:
  Description: 'No spaces after [ or before ].'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-spaces-braces'
  Enabled: true

Style/SpaceInsideHashLiteralBraces:
  Description: "Use spaces inside hash literal braces - or don't."
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-operators'
  Enabled: true
  EnforcedStyle: compact
  EnforcedStyleForEmptyBraces: no_space
  SupportedStyles:
    - space
    - no_space
    # 'compact' normally requires a space inside hash braces, with the exception
    # that successive left braces or right braces are collapsed together
    - compact

Style/SpaceInsideParens:
  Description: 'No spaces after ( or before ).'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-spaces-braces'
  Enabled: true

Style/SpaceInsideRangeLiteral:
  Description: 'No spaces inside range literals.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-space-inside-range-literals'
  Enabled: true

Style/SpaceInsideStringInterpolation:
  Description: 'Checks for padding/surrounding spaces inside string interpolation.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#string-interpolation'
  Enabled: true
  EnforcedStyle: no_space
  SupportedStyles:
    - space
    - no_space

Style/SpecialGlobalVars:
  Description: 'Avoid Perl-style global variables.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-cryptic-perlisms'
  Enabled: true
  EnforcedStyle: use_english_names
  SupportedStyles:
    - use_perl_names
    - use_english_names

Style/StabbyLambdaParentheses:
  Description: 'Check for the usage of parentheses around stabby lambda arguments.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#stabby-lambda-with-args'
  Enabled: true
  EnforcedStyle: require_parentheses
  SupportedStyles:
    - require_parentheses
    - require_no_parentheses

Style/StringLiterals:
  Description: 'Checks if uses of quotes match the configured preference.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#consistent-string-literals'
  Enabled: true
  EnforcedStyle: single_quotes
  SupportedStyles:
    - single_quotes
    - double_quotes
  # If true, strings which span multiple lines using \ for continuation must
  # use the same type of quotes on each line.
  ConsistentQuotesInMultiline: false

Style/StringLiteralsInInterpolation:
  Description: >-
                 Checks if uses of quotes inside expressions in interpolated
                 strings match the configured preference.
  Enabled: true
  EnforcedStyle: single_quotes
  SupportedStyles:
    - single_quotes
    - double_quotes

Style/StringMethods:
  Description: 'Checks if configured preferred methods are used over non-preferred.'
  Enabled: true
  # Mapping from undesired method to desired_method
  # e.g. to use `to_sym` over `intern`:
  #
  # StringMethods:
  #   PreferredMethods:
  #     intern: to_sym
  PreferredMethods:
    intern: to_sym

Style/StructInheritance:
  Description: 'Checks for inheritance from Struct.new.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-extend-struct-new'
  Enabled: true

Style/SymbolArray:
  Description: 'Use %i or %I for arrays of symbols.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-i'
  Enabled: true
  EnforcedStyle: percent
  SupportedStyles:
    - percent
    - brackets

Style/SymbolLiteral:
  Description: 'Use plain symbols instead of string symbols when possible.'
  Enabled: true

Style/SymbolProc:
  Description: 'Use symbols as procs instead of blocks when possible.'
  Enabled: true
  # A list of method names to be ignored by the check.
  # The names should be fairly unique, otherwise you'll end up ignoring lots of code.
  IgnoredMethods:
    - respond_to

Style/Tab:
  Description: 'No hard tabs.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-indentation'
  Enabled: true

Style/TernaryParentheses:
  Description: 'Checks for use of parentheses around ternary conditions.'
  Enabled: false
  EnforcedStyle: require_parentheses
  SupportedStyles:
    - require_parentheses
    - require_no_parentheses
  AllowSafeAssignment: false

Style/TrailingBlankLines:
  Description: 'Checks trailing blank lines and final newline.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#newline-eof'
  Enabled: true
  EnforcedStyle: final_newline
  SupportedStyles:
    - final_newline
    - final_blank_line

Style/TrailingCommaInArguments:
  Description: 'Checks for trailing comma in argument lists.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
  Enabled: true
  # If `comma`, the cop requires a comma after the last argument, but only for
  # parenthesized method calls where each argument is on its own line.
  # If `consistent_comma`, the cop requires a comma after the last argument,
  # for all parenthesized method calls with arguments.
  EnforcedStyleForMultiline: no_comma
  SupportedStyles:
    - comma
    - consistent_comma
    - no_comma

Style/TrailingCommaInLiteral:
  Description: 'Checks for trailing comma in array and hash literals.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
  Enabled: true
  # If `comma`, the cop requires a comma after the last item in an array or
  # hash, but only when each item is on its own line.
  # If `consistent_comma`, the cop requires a comma after the last item of all
  # non-empty array and hash literals.
  EnforcedStyleForMultiline: no_comma
  SupportedStyles:
    - comma
    - consistent_comma
    - no_comma

Style/TrailingWhitespace:
  Description: 'Avoid trailing whitespace.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-whitespace'
  Enabled: true

# TrivialAccessors requires exact name matches and doesn't allow
# predicated methods by default.
Style/TrivialAccessors:
  Description: 'Prefer attr_* methods to trivial readers/writers.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#attr_family'
  Enabled: true
  # When set to false the cop will suggest the use of accessor methods
  # in situations like:
  #
  # def name
  #   @other_name
  # end
  #
  # This way you can uncover "hidden" attributes in your code.
  ExactNameMatch: false
  AllowPredicates: false
  # Allows trivial writers that don't end in an equal sign. e.g.
  #
  # def on_exception(action)
  #   @on_exception=action
  # end
  # on_exception :restart
  #
  # Commonly used in DSLs
  AllowDSLWriters: false
  IgnoreClassMethods: false
  Whitelist:
    - to_ary
    - to_a
    - to_c
    - to_enum
    - to_h
    - to_hash
    - to_i
    - to_int
    - to_io
    - to_open
    - to_path
    - to_proc
    - to_r
    - to_regexp
    - to_str
    - to_s
    - to_sym

Style/UnlessElse:
  Description: >-
                 Do not use unless with else. Rewrite these with the positive
                 case first.
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-else-with-unless'
  Enabled: true

Style/UnneededCapitalW:
  Description: 'Checks for %W when interpolation is not needed.'
  Enabled: true

Style/UnneededInterpolation:
  Description: 'Checks for strings that are just an interpolated expression.'
  Enabled: true

Style/UnneededPercentQ:
  Description: 'Checks for %q/%Q when single quotes or double quotes would do.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-q'
  Enabled: true

Style/TrailingUnderscoreVariable:
  Description: >-
                 Checks for the usage of unneeded trailing underscores at the
                 end of parallel variable assignment.
  AllowNamedUnderscoreVariables: true
  Enabled: true

Style/VariableInterpolation:
  Description: >-
                 Don't interpolate global, instance and class variables
                 directly in strings.
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#curlies-interpolate'
  Enabled: true

Style/VariableName:
  Description: 'Use the configured style when naming variables.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#snake-case-symbols-methods-vars'
  Enabled: true
  EnforcedStyle: snake_case
  SupportedStyles:
    - snake_case
    - camelCase

Style/VariableNumber:
  Description: 'Use the configured style when numbering variables.'
  Enabled: true
  EnforcedStyle: normalcase
  SupportedStyles:
    - snake_case
    - normalcase
    - non_integer

Style/WhenThen:
  Description: 'Use when x then ... for one-line cases.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#one-line-cases'
  Enabled: true

Style/WhileUntilDo:
  Description: 'Checks for redundant do after while or until.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-multiline-while-do'
  Enabled: true

Style/WhileUntilModifier:
  Description: >-
                 Favor modifier while/until usage when you have a
                 single-line body.
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#while-as-a-modifier'
  Enabled: true
  MaxLineLength: 80

Style/WordArray:
  Description: 'Use %w or %W for arrays of words.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-w'
  Enabled: true
  EnforcedStyle: percent
  SupportedStyles:
    - percent
    - brackets
  MinSize: 0
  # The regular expression WordRegex decides what is considered a word.
  WordRegex: !ruby/regexp '/\A[\p{Word}\n\t]+\z/'

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

Metrics/AbcSize:
  # The ABC size is a calculated magnitude, so this number can be an Integer or
  # a Float.
  Description: >-
                 A calculated magnitude based on number of assignments,
                 branches, and conditions.
  Reference: 'http://c2.com/cgi/wiki?AbcMetric'
  Enabled: true
  Max: 15

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: 3

Metrics/ClassLength:
  Description: 'Avoid classes longer than 100 lines of code.'
  Enabled: true
  CountComments: false  # count full line comments?
  Max: 100

Metrics/ModuleLength:
  Description: 'Avoid modules longer than 100 lines of code.'
  Enabled: true
  CountComments: false  # count full line comments?
  Max: 100

Metrics/CyclomaticComplexity:
  Description: >-
                 A complexity metric that is strongly correlated to the number
                 of test cases needed to validate a method.
  Enabled: true
  Max: 6

Metrics/LineLength:
  Description: 'Limit lines to 80 characters.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#80-character-limits'
  Enabled: true
  Max: 80
  # To make it possible to copy or click on URIs in the code, we allow lines
  # contaning a URI to be longer than Max.
  AllowURI: true
  URISchemes:
    - http
    - https

Metrics/MethodLength:
  Description: 'Avoid methods longer than 10 lines of code.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#short-methods'
  Enabled: true
  CountComments: false  # count full line comments?
  Max: 10

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
  Max: 5
  CountKeywordArgs: true

Metrics/PerceivedComplexity:
  Description: >-
                 A complexity metric geared towards measuring complexity for a
                 human reader.
  Enabled: true
  Max: 7

##################### 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#method-invocation-parens'
  Enabled: true

Lint/AmbiguousRegexpLiteral:
  Description: >-
                 Checks for ambiguous regexp literals in the first argument of
                 a method invocation without parentheses.
  Enabled: true

# Allow safe assignment in conditions.
Lint/AssignmentInCondition:
  Description: "Don't use assignment in conditions."
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#safe-assignment-in-condition'
  AllowSafeAssignment: false

Lint/BlockAlignment:
  Description: 'Align block ends correctly.'
  Enabled: true

Lint/CircularArgumentReference:
  Description: "Default values in optional keyword arguments and optional ordinal arguments should not refer back to the name of the argument."
  Enabled: true

Lint/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

Lint/DefEndAlignment:
  Description: 'Align ends corresponding to defs correctly.'
  # The value `def` means that `end` should be aligned with the def keyword.
  # The value `start_of_line` means that `end` should be aligned with method
  # calls like `private`, `public`, etc, if present in front of the `def`
  # keyword on the same line.
  AlignWith: start_of_line
  SupportedStyles:
    - start_of_line
    - def
  AutoCorrect: false

Lint/InheritException:
  # The default base class in favour of `Exception`.
  Enabled: true
  EnforcedStyle: runtime_error
  SupportedStyles:
    - runtime_error
    - standard_error

Lint/DeprecatedClassMethods:
  Description: 'Check for deprecated class method calls.'
  Enabled: true

Lint/DuplicateMethods:
  Description: 'Check for duplicate method definitions.'
  Enabled: true

Lint/DuplicatedKey:
  Description: 'Check for duplicate keys in hash literals.'
  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

Lint/EndAlignment:
  Description: 'Align ends correctly.'
  # The value `keyword` means that `end` should be aligned with the matching
  # keyword (if, while, etc.).
  # The value `variable` means that in assignments, `end` should be aligned
  # with the start of the variable on the left hand side of `=`. In all other
  # situations, `end` should still be aligned with the keyword.
  # The value `start_of_line` means that `end` should be aligned with the start
  # of the line which the matching keyword appears on.
  AlignWith: keyword
  SupportedStyles:
    - keyword
    - variable
    - start_of_line
  AutoCorrect: false

Lint/EnsureReturn:
  Description: 'Do not use return in an ensure block.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-return-ensure'
  Enabled: true

Lint/Eval:
  Description: 'The use of eval represents a serious security risk.'
  Enabled: true

Lint/FloatOutOfRange:
  Description: >-
                 Catches floating-point literals too large or small for Ruby to
                 represent.
  Enabled: true

Lint/FormatParameterMismatch:
  Description: 'The number of parameters to format/sprint must match the fields.'
  Enabled: true

Lint/HandleExceptions:
  Description: "Don't suppress exception."
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#dont-hide-exceptions'
  Enabled: true

Lint/ImplicitStringConcatenation:
  Description: >-
                 Checks for adjacent string literals on the same line, which
                 could better be represented as a single string literal.
  Enabled: true

Lint/IneffectiveAccessModifier:
  Description: >-
                 Checks for attempts to use `private` or `protected` to set
                 the visibility of a class method, which does not work.
  Enabled: true

Lint/InvalidCharacterLiteral:
  Description: >-
                 Checks for invalid character literals with a non-escaped
                 whitespace character.
  Enabled: true

Lint/LiteralInCondition:
  Description: 'Checks of literals used in conditions.'
  Enabled: true

Lint/LiteralInInterpolation:
  Description: 'Avoid interpolating literals in strings'
  AutoCorrect: false

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/NextWithoutAccumulator:
  Description:  >-
                  Do not omit the accumulator when calling `next`
                  in a `reduce`/`inject` block.
  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/PercentStringArray:
  Description: >-
                 Checks for unwanted commas and quotes in %w/%W literals.
  Enabled: true

Lint/PercentSymbolArray:
  Description: >-
                 Checks for unwanted commas and colons in %i/%I literals.
  Enabled: true

Lint/RandOne:
  Description: >-
                 Checks for `rand(1)` calls. Such calls always return `0`
                 and most likely a mistake.
  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/ShadowedException:
  Description: >-
                  Avoid rescuing a higher level exception
                  before a lower level exception.
  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/StringConversionInInterpolation:
  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/UnifiedInteger:
  Description: 'Use Integer instead of Fixnum or Bignum'
  Enabled: true

Lint/UnneededDisable:
  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/UnneededSplatExpansion:
  Description: 'Checks for splat unnecessarily being called on literals'
  Enabled: true

Lint/UnusedBlockArgument:
  Description: 'Checks for unused block arguments.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
  Enabled: true
  AllowUnusedKeywordArguments: false

Lint/UnusedMethodArgument:
  Description: 'Checks for unused method arguments.'
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
  AllowUnusedKeywordArguments: false
  IgnoreEmptyMethods: true
  Enabled: true

Lint/UnreachableCode:
  Description: 'Unreachable code.'
  Enabled: true

Lint/UselessAccessModifier:
  Description: 'Checks for useless access modifiers.'
  Enabled: true
  ContextCreatingMethods: []

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/UselessComparison:
  Description: 'Checks for comparison of something with itself.'
  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

##################### Performance ##################################

Performance/Casecmp:
  Description: 'Use `casecmp` rather than `downcase ==`.'
  Reference: 'https://github.com/JuanitoFatas/fast-ruby#stringcasecmp-vs-stringdowncase---code'
  Enabled: false

Performance/CaseWhenSplat:
  Description: >-
                  Place `when` conditions that use splat at the end
                  of the list of `when` branches.
  Enabled: true

Performance/Count:
  Description: >-
                  Use `count` instead of `select...size`, `reject...size`,
                  `select...count`, `reject...count`, `select...length`,
                  and `reject...length`.
  # This cop has known compatibility issues with `ActiveRecord` and other
  # frameworks. ActiveRecord's `count` ignores the block that is passed to it.
  # For more information, see the documentation in the cop itself.
  # If you understand the known risk, you can disable `SafeMode`.
  SafeMode: true
  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/DoubleStartEndWith:
  Description: >-
                  Use `str.{start,end}_with?(x, ..., y, ...)`
                  instead of `str.{start,end}_with?(x, ...) || str.{start,end}_with?(y, ...)`.
  Enabled: true

Performance/EndWith:
  Description: 'Use `end_with?` instead of a regex match anchored to the end of a string.'
  Reference: 'https://github.com/JuanitoFatas/fast-ruby#stringmatch-vs-stringstart_withstringend_with-code-start-code-end'
  Enabled: true

Performance/FixedSize:
  Description: 'Do not compute the size of statically sized objects except in constants'
  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/HashEachMethods:
  Description: >-
                 Use `Hash#each_key` and `Hash#each_value` instead of
                 `Hash#keys.each` and `Hash#values.each`.
  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-each'
  Enabled: true
  AutoCorrect: false

Performance/LstripRstrip:
  Description: 'Use `strip` instead of `lstrip.rstrip`.'
  Enabled: true

Performance/RangeInclude:
  Description: 'Use `Range#cover?` instead of `Range#include?`.'
  Reference: 'https://github.com/JuanitoFatas/fast-ruby#cover-vs-include-code'
  Enabled: true

Performance/RedundantBlockCall:
  Description: 'Use `yield` instead of `block.call`.'
  Reference: 'https://github.com/JuanitoFatas/fast-ruby#proccall-vs-yield-code'
  Enabled: true

Performance/RedundantMatch:
  Description: >-
                  Use `=~` instead of `String#match` or `Regexp#match` in a context where the
                  returned `MatchData` is not needed.
  Enabled: true

Performance/RedundantMerge:
  Description: 'Use Hash#[]=, rather than Hash#merge! with a single key-value pair.'
  Reference: 'https://github.com/JuanitoFatas/fast-ruby#hashmerge-vs-hash-code'
  Enabled: true

Performance/RedundantSortBy:
  Description: 'Use `sort` instead of `sort_by { |x| x }`.'
  Enabled: true

Performance/ReverseEach:
  Description: 'Use `reverse_each` instead of `reverse.each`.'
  Reference: 'https://github.com/JuanitoFatas/fast-ruby#enumerablereverseeach-vs-enumerablereverse_each-code'
  Enabled: true

Performance/Sample:
  Description: >-
                  Use `sample` instead of `shuffle.first`,
                  `shuffle.last`, and `shuffle[Integer]`.
  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/SortWithBlock:
  Description: 'Use `sort_by(&:foo)` instead of `sort_by { |a, b| a.foo <=> b.foo }`.'
  Enabled: true

Performance/StartWith:
  Description: 'Use `start_with?` instead of a regex match anchored to the beginning of a string.'
  Reference: 'https://github.com/JuanitoFatas/fast-ruby#stringmatch-vs-stringstart_withstringend_with-code-start-code-end'
  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

Performance/TimesMap:
  Description: 'Checks for .times.map calls.'
  Enabled: true

##################### Rails ##################################

# By default, the rails cops are not run. Override in project or home
# directory .rubocop.yml files, or by giving the -R/--rails option.
Rails:
  Enabled: false

Rails/ActionFilter:
  Description: 'Enforces consistent use of action filter methods.'
  Enabled: true
  EnforcedStyle: action
  SupportedStyles:
    - action
    - filter
  Include:
    - app/controllers/**/*.rb

Rails/Date:
  Description: >-
                  Checks the correct usage of date aware methods,
                  such as Date.today, Date.current etc.
  Enabled: true
  # The value `strict` disallows usage of `Date.today`, `Date.current`,
  # `Date#to_time` etc.
  # The value `flexible` allows usage of `Date.current`, `Date.yesterday`, etc
  # (but not `Date.today`) which are overriden by ActiveSupport to handle current
  # time zone.
  EnforcedStyle: flexible
  SupportedStyles:
    - strict
    - flexible

Rails/Delegate:
  Description: 'Prefer delegate method for delegations.'
  Enabled: true

Rails/Exit:
  Description: >-
                  Favor `fail`, `break`, `return`, etc. over `exit` in
                  application or library code outside of Rake files to avoid
                  exits during unit testing or running in production.
  Enabled: true
  Include:
    - app/**/*.rb
    - config/**/*.rb
    - lib/**/*.rb
  Exclude:
    - lib/**/*.rake

Rails/FindBy:
  Description: 'Prefer find_by over where.first.'
  StyleGuide: 'https://github.com/bbatsov/rails-style-guide#find_by'
  Enabled: true
  Include:
    - app/models/**/*.rb

Rails/FindEach:
  Description: 'Prefer all.find_each over all.find.'
  StyleGuide: 'https://github.com/bbatsov/rails-style-guide#find-each'
  Enabled: true
  Include:
    - app/models/**/*.rb

Rails/HasAndBelongsToMany:
  Description: 'Prefer has_many :through to has_and_belongs_to_many.'
  StyleGuide: 'https://github.com/bbatsov/rails-style-guide#has-many-through'
  Enabled: true
  Include:
    - app/models/**/*.rb

Rails/NotNullColumn:
  Description: 'Do not add a NOT NULL column without a default value'
  Enabled: true
  Include:
    - db/migrate/*.rb

Rails/Output:
  Description: 'Checks for calls to puts, print, etc.'
  Enabled: true
  Include:
    - app/**/*.rb
    - config/**/*.rb
    - db/**/*.rb
    - lib/**/*.rb

Rails/OutputSafety:
  Description: 'The use of `html_safe` or `raw` may be a security risk.'
  Enabled: true

Rails/PluralizationGrammar:
  Description: 'Checks for incorrect grammar when using methods like `3.day.ago`.'
  Enabled: true

Rails/ReadWriteAttribute:
  Description: >-
                 Checks for read_attribute(:attr) and
                 write_attribute(:attr, val).
  StyleGuide: 'https://github.com/bbatsov/rails-style-guide#read-attribute'
  Enabled: true
  Include:
    - app/models/**/*.rb

Rails/RequestReferer:
  EnforcedStyle: referer
  SupportedStyles:
    - referer
    - referrer
  Description: 'Use consistent syntax for request.referer.'
  Enabled: true

Rails/SafeNavigation:
  Description: "Use Ruby's safe navigation operator (`&.`) instead of `try!`"
  Enabled: true
  # This will convert usages of `try` to use safe navigation as well as `try!`.
  # `try` and `try!` work slighly differently. `try!` and safe navigation will
  # both raise a `NoMethodError` if the receiver of the method call does not
  # implement the intended method. `try` will not raise an exception for this.
  ConvertTry: false

Rails/SaveBang:
 Description: 'Identifies possible cases where Active Record save! or related should be used.'
 StyleGuide: 'https://github.com/bbatsov/rails-style-guide#save-bang'
 Enabled: true

Rails/ScopeArgs:
  Description: 'Checks the arguments of ActiveRecord scopes.'
  Enabled: true
  Include:
    - app/models/**/*.rb

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: true
  # The value `strict` means that `Time` should be used with `zone`.
  # The value `flexible` allows usage of `in_time_zone` instead of `zone`.
  EnforcedStyle: flexible
  SupportedStyles:
    - strict
    - flexible

Rails/UniqBeforePluck:
  Description: 'Prefer the use of uniq or distinct before pluck.'
  EnforcedMode: conservative
  SupportedModes:
    - conservative
    - aggressive
  AutoCorrect: false

Rails/Validation:
  Description: 'Use validates :attribute, hash of validations.'
  Enabled: true
  Include:
    - app/models/**/*.rb

Security/JSONLoad:
  Description : 'Prefer usage of JSON.parse'
  Enabled: true