source stringclasses 1
value | repo stringlengths 5 63 | repo_url stringlengths 24 82 | path stringlengths 5 167 | language stringclasses 1
value | license stringclasses 5
values | stars int64 10 51.4k | ref stringclasses 23
values | size_bytes int64 200 258k | text stringlengths 137 258k |
|---|---|---|---|---|---|---|---|---|---|
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_min_max_by.rb | Ruby | mit | 12,856 | master | 3,003 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Identifies places where `max_by { ... }`, `min_by { ... }`, or
# `minmax_by { ... }` can be replaced by `max`, `min`, or `minmax`.
#
# @example
# # bad
# array.max_by { |x| x }
# array.min_by { ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/auto_resource_cleanup.rb | Ruby | mit | 12,856 | master | 1,355 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for cases when you could use a block
# accepting version of a method that does automatic
# resource cleanup.
#
# @example
#
# # bad
# f = File.open('file')
#
# # good
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/identical_conditional_branches.rb | Ruby | mit | 12,856 | master | 8,498 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for identical expressions at the beginning or end of
# each branch of a conditional expression. Such expressions should normally
# be placed outside the conditional expression - before or after it.
#
# NOT... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/global_std_stream.rb | Ruby | mit | 12,856 | master | 2,291 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Enforces the use of `$stdout/$stderr/$stdin` instead of `STDOUT/STDERR/STDIN`.
# `STDOUT/STDERR/STDIN` are constants, and while you can actually
# reassign (possibly to redirect some stream) constants in Ruby, you'll get
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/trailing_comma_in_block_args.rb | Ruby | mit | 12,856 | master | 2,837 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks whether trailing commas in block arguments are
# required. Blocks with only one argument and a trailing comma require
# that comma to be present. Blocks with more than one argument never
# require a trailing com... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/zero_length_predicate.rb | Ruby | mit | 12,856 | master | 5,430 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for numeric comparisons that can be replaced
# by a predicate method, such as `receiver.length == 0`,
# `receiver.length > 0`, and `receiver.length != 0`,
# `receiver.length < 1` and `receiver.size == 0` that ca... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_self_assignment_branch.rb | Ruby | mit | 12,856 | master | 2,623 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for places where conditional branch makes redundant self-assignment.
#
# It only detects local variable because it may replace state of instance variable,
# class variable, and global variable that have state ac... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/file_write.rb | Ruby | mit | 12,856 | master | 3,864 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Favor `File.(bin)write` convenience methods.
#
# NOTE: There are different method signatures between `File.write` (class method)
# and `File#write` (instance method). The following case will be allowed because
# ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/it_assignment.rb | Ruby | mit | 12,856 | master | 1,911 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for local variables and method parameters named `it`,
# where `it` can refer to the first anonymous parameter as of Ruby 3.4.
# Use a meaningful variable name instead.
#
# NOTE: Although Ruby allows reassi... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/multiline_if_modifier.rb | Ruby | mit | 12,856 | master | 1,576 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of if/unless modifiers with multiple-lines bodies.
#
# @example
#
# # bad
# {
# result: 'this should not happen'
# } unless cond
#
# # good
# { re... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/single_line_do_end_block.rb | Ruby | mit | 12,856 | master | 2,367 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for single-line `do`...`end` block.
#
# In practice a single line `do`...`end` is autocorrected when `EnforcedStyle: semantic`
# is configured for `Style/BlockDelimiters`. The autocorrection maintains the
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/empty_block_parameter.rb | Ruby | mit | 12,856 | master | 1,155 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for pipes for empty block parameters. Pipes for empty
# block parameters do not cause syntax errors, but they are redundant.
#
# @example
# # bad
# a do ||
# do_something
# end
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/nil_lambda.rb | Ruby | mit | 12,856 | master | 1,716 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for lambdas and procs that always return nil,
# which can be replaced with an empty lambda or proc instead.
#
# @example
# # bad
# -> { nil }
#
# lambda do
# next nil
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/disable_cops_within_source_code_directive.rb | Ruby | mit | 12,856 | master | 2,634 | # frozen_string_literal: true
# rubocop:disable Lint/RedundantCopDisableDirective
module RuboCop
module Cop
module Style
# Detects comments to enable/disable RuboCop.
# This is useful if want to make sure that every RuboCop error gets fixed
# and not quickly disabled with a comment.
#
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/class_vars.rb | Ruby | mit | 12,856 | master | 1,797 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of class variables. Offenses
# are signaled only on assignment to class variables to
# reduce the number of offenses that would be reported.
#
# You have to be careful when setting a value for a c... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/combinable_defined.rb | Ruby | mit | 12,856 | master | 3,395 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for multiple `defined?` calls joined by `&&` that can be combined
# into a single `defined?`.
#
# When checking that a nested constant or chained method is defined, it is
# not necessary to check each ance... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/arguments_forwarding.rb | Ruby | mit | 12,856 | master | 21,177 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# In Ruby 2.7, arguments forwarding has been added.
#
# This cop identifies places where `do_something(*args, &block)`
# can be replaced by `do_something(...)`.
#
# In Ruby 3.1, anonymous block forwarding has... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/signal_exception.rb | Ruby | mit | 12,856 | master | 5,618 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of `fail` and `raise`.
#
# @example EnforcedStyle: only_raise (default)
# # The `only_raise` style enforces the sole use of `raise`.
# # bad
# begin
# fail
# rescue E... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/trailing_comma_in_array_literal.rb | Ruby | mit | 12,856 | master | 2,757 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for trailing comma in array literals.
# The configuration options are:
#
# * `consistent_comma`: Requires a comma after the last item of all non-empty, multiline array
# literals.
# * `comma`: Requir... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/case_like_if.rb | Ruby | mit | 12,856 | master | 8,575 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Identifies places where `if-elsif` constructions
# can be replaced with `case-when`.
#
# @safety
# This cop is unsafe. `case` statements use `===` for equality,
# so if the original conditional used a d... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/file_touch.rb | Ruby | mit | 12,856 | master | 2,151 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for usage of `File.open` in append mode with empty block.
#
# Such a usage only creates a new file, but it doesn't update
# timestamps for an existing file, which might have been the intention.
#
# F... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/trailing_comma_in_hash_literal.rb | Ruby | mit | 12,856 | master | 3,067 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for trailing comma in hash literals.
# The configuration options are:
#
# * `consistent_comma`: Requires a comma after the last item of all non-empty, multiline hash
# literals.
# * `comma`: Requires... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/when_then.rb | Ruby | mit | 12,856 | master | 875 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for `when;` uses in `case` expressions.
#
# @example
# # bad
# case foo
# when 1; 'baz'
# when 2; 'bar'
# end
#
# # good
# case foo
# when 1 then '... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_regexp_escape.rb | Ruby | mit | 12,856 | master | 4,139 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for redundant escapes inside `Regexp` literals.
#
# @example
# # bad
# %r{foo\/bar}
#
# # good
# %r{foo/bar}
#
# # good
# /foo\/bar/
#
# # good... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/negated_unless.rb | Ruby | mit | 12,856 | master | 2,008 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of unless with a negated condition. Only unless
# without else are considered. There are three different styles:
#
# * both
# * prefix
# * postfix
#
# @example EnforcedStyle: bot... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/numeric_literals.rb | Ruby | mit | 12,856 | master | 3,885 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for big numeric literals without `_` between groups
# of digits in them. Underscores make large numbers easier to
# read by visually separating groups of digits.
#
# Additional allowed patterns can be adde... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_each.rb | Ruby | mit | 12,856 | master | 3,841 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for redundant `each`.
#
# @safety
# This cop is unsafe, as it can produce false positives if the receiver
# is not an `Enumerator`.
#
# @example
#
# # bad
# array.each... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/comparable_between.rb | Ruby | mit | 12,856 | master | 2,466 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for logical comparison which can be replaced with `Comparable#between?`.
#
# NOTE: `Comparable#between?` is on average slightly slower than logical comparison,
# although the difference generally isn't observabl... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_file_extension_in_require.rb | Ruby | mit | 12,856 | master | 1,879 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for the presence of superfluous `.rb` extension in
# the filename provided to `require` and `require_relative`.
#
# NOTE: If the extension is omitted, Ruby tries adding '.rb', '.so',
# and so on to t... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/data_inheritance.rb | Ruby | mit | 12,856 | master | 2,576 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for inheritance from `Data.define` to avoid creating the anonymous parent class.
# Inheriting from `Data.define` adds a superfluous level in inheritance tree.
#
# @safety
# Autocorrection is unsafe becau... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/mixin_grouping.rb | Ruby | mit | 12,856 | master | 4,012 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for grouping of mixins in `class` and `module` bodies.
# By default it enforces mixins to be placed in separate declarations,
# but it can be configured to enforce grouping them in one declaration.
#
# @ex... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/swap_values.rb | Ruby | mit | 12,856 | master | 2,827 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Enforces the use of shorthand-style swapping of 2 variables.
#
# @safety
# Autocorrection is unsafe, because the temporary variable used to
# swap variables will be removed, but may be referred to elsewhere.
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/reverse_find.rb | Ruby | mit | 12,856 | master | 1,429 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Identifies places where `array.reverse.find` can be replaced by `array.rfind`.
#
# @safety
# This cop is unsafe because it cannot be guaranteed that the receiver
# is an `Array` or responds to the replacement... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/send.rb | Ruby | mit | 12,856 | master | 623 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for the use of the send method.
#
# @example
# # bad
# Foo.send(bar)
# quuz.send(fred)
#
# # good
# Foo.__send__(bar)
# quuz.public_send(fred)
class Send < B... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/preferred_hash_methods.rb | Ruby | mit | 12,856 | master | 2,114 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of methods `Hash#has_key?` and
# `Hash#has_value?`, and suggests using `Hash#key?` and `Hash#value?` instead.
#
# It is configurable to enforce the verbose method names, by using the
# `EnforcedSt... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/send_with_literal_method_name.rb | Ruby | mit | 12,856 | master | 3,601 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Detects the use of the `public_send` method with a literal method name argument.
# Since the `send` method can be used to call private methods, by default,
# only the `public_send` method is detected.
#
# NOTE: W... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/and_or.rb | Ruby | mit | 12,856 | master | 4,890 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of `and` and `or`, and suggests using `&&` and
# `||` instead. It can be configured to check only in conditions or in
# all contexts.
#
# @safety
# Autocorrection is unsafe because there i... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/map_into_array.rb | Ruby | mit | 12,856 | master | 8,013 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for usages of `each` with `<<`, `push`, or `append` which
# can be replaced by `map`.
#
# If `PreferredMethods` is configured for `map` in `Style/CollectionMethods`,
# this cop uses the specified method fo... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/empty_string_inside_interpolation.rb | Ruby | mit | 12,856 | master | 3,361 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for empty strings being assigned inside string interpolation.
#
# Empty strings are a meaningless outcome inside of string interpolation, so we remove them.
# Alternatively, when configured to do so, we prioriti... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/trailing_underscore_variable.rb | Ruby | mit | 12,856 | master | 4,570 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for extra underscores in variable assignment.
#
# @example
# # bad
# a, b, _ = foo
# a, b, _, = foo
# a, _, _ = foo
# a, _, _, = foo
#
# # good
# a, b, = f... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/dir_empty.rb | Ruby | mit | 12,856 | master | 1,661 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Prefer to use `Dir.empty?('path/to/dir')` when checking if a directory is empty.
#
# @example
# # bad
# Dir.entries('path/to/dir').size == 2
# Dir.children('path/to/dir').empty?
# Dir.children... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/return_nil.rb | Ruby | mit | 12,856 | master | 2,827 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Enforces consistency between `return nil` and `return`.
#
# This cop is disabled by default. Because there seems to be a perceived semantic difference
# between `return` and `return nil`. The former can be seen as just... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/map_join.rb | Ruby | mit | 12,856 | master | 3,929 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for `map { |x| x.to_s }.join` and similar calls where the
# `map` is redundant because `Array#join` implicitly calls `#to_s` on
# each element.
#
# @safety
# This cop is unsafe because it cannot gu... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_return.rb | Ruby | mit | 12,856 | master | 5,424 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for redundant `return` expressions. Ruby methods
# implicitly return the value of the last evaluated expression,
# so an explicit `return` at the end of a method body is unnecessary.
#
# @example
# ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/keyword_parameters_order.rb | Ruby | mit | 12,856 | master | 2,619 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Enforces that optional keyword parameters are placed at the
# end of the parameters list.
#
# This improves readability, because when looking through the source,
# it is expected to find required parameters at th... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/next.rb | Ruby | mit | 12,856 | master | 7,831 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Use `next` to skip iteration instead of a condition at the end.
#
# @example EnforcedStyle: skip_modifier_ifs (default)
# # bad
# [1, 2].each do |a|
# if a == 1
# puts a
# end
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/method_call_without_args_parentheses.rb | Ruby | mit | 12,856 | master | 3,951 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for unwanted parentheses in parameterless method calls.
#
# This cop's allowed methods can be customized with `AllowedMethods`.
# By default, there are no allowed methods.
#
# NOTE: This cop allows t... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/array_intersect_with_single_element.rb | Ruby | mit | 12,856 | master | 1,223 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Use `include?(element)` instead of `intersect?([element])`.
#
# @safety
# The receiver might not be an array.
#
# @example
# # bad
# array.intersect?([element])
#
# # good
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/return_nil_in_predicate_method_definition.rb | Ruby | mit | 12,856 | master | 3,445 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for predicate method definitions that return `nil`.
# A predicate method should only return a boolean value.
#
# @safety
# Autocorrection is marked as unsafe because the change of the return value
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/variable_interpolation.rb | Ruby | mit | 12,856 | master | 1,084 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for variable interpolation (like "#@ivar").
#
# @example
# # bad
# "His name is #$name"
# /check #$pattern/
# "Let's go to the #@store"
#
# # good
# "His name is #... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/combinable_loops.rb | Ruby | mit | 12,856 | master | 4,066 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for places where multiple consecutive loops over the same data
# can be combined into a single loop. It is very likely that combining them
# will make the code more efficient and more concise.
#
# NOTE: Au... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_initialize.rb | Ruby | mit | 12,856 | master | 4,785 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for `initialize` methods that are redundant.
#
# An initializer is redundant if it does not do anything, or if it only
# calls `super` with the same arguments given to it. If the initializer takes
# an arg... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/min_max.rb | Ruby | mit | 12,856 | master | 1,681 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for potential uses of `Enumerable#minmax`.
#
# @example
#
# # bad
# bar = [foo.min, foo.max]
# return foo.min, foo.max
#
# # good
# bar = foo.minmax
# return... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/ternary_parentheses.rb | Ruby | mit | 12,856 | master | 7,984 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for the presence of parentheses around ternary
# conditions. It is configurable to enforce inclusion or omission of
# parentheses using `EnforcedStyle`. Omission is only enforced when
# removing the parentheses ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/static_class.rb | Ruby | mit | 12,856 | master | 3,551 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for places where classes with only class methods can be
# replaced with a module. Classes should be used only when it makes sense to create
# instances out of them.
#
# @safety
# This cop is unsafe... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_string_escape.rb | Ruby | mit | 12,856 | master | 5,517 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for redundant escapes in string literals.
#
# @example
# # bad - no need to escape # without following {/$/@
# "\#foo"
#
# # bad - no need to escape single quotes inside double quoted str... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/unless_else.rb | Ruby | mit | 12,856 | master | 1,396 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Looks for `unless` expressions with `else` clauses.
#
# @example
# # bad
# unless foo_bar.nil?
# # do something...
# else
# # do a different thing...
# end
#
# ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/safe_navigation.rb | Ruby | mit | 12,856 | master | 16,003 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Transforms usages of a method call safeguarded by a non `nil`
# check for the variable whose method is being called to
# safe navigation (`&.`). If there is a method chain, all of the methods
# in the chain need to be ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_heredoc_delimiter_quotes.rb | Ruby | mit | 12,856 | master | 1,629 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for redundant heredoc delimiter quotes.
#
# @example
#
# # bad
# do_something(<<~'EOS')
# no string interpolation style text
# EOS
#
# # good
# do_somethin... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_line_continuation.rb | Ruby | mit | 12,856 | master | 8,420 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for redundant line continuation.
#
# This cop marks a line continuation as redundant if removing the backslash
# does not result in a syntax error.
# However, a backslash at the end of a comment or
#... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/if_unless_modifier.rb | Ruby | mit | 12,856 | master | 12,408 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for `if` and `unless` statements that would fit on one line if
# written as modifier `if`/`unless`. The cop also checks for modifier
# `if`/`unless` lines that exceed the maximum line length.
#
# The maxim... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/predicate_with_kind.rb | Ruby | mit | 12,856 | master | 2,996 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Looks for uses of `any?`, `all?`, `none?`, or `one?` with a block
# containing only an `is_a?`, `kind_of?`, or `instance_of?` check, and
# suggests using the predicate method with the class argument directly.
#
#... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/parentheses_around_condition.rb | Ruby | mit | 12,856 | master | 3,745 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for the presence of superfluous parentheses around the
# condition of if/unless/while/until.
#
# `AllowSafeAssignment` option for safe assignment.
# By safe assignment we mean putting parentheses around
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/double_negation.rb | Ruby | mit | 12,856 | master | 4,720 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of double negation (`!!`) to convert something to a boolean value.
#
# When using `EnforcedStyle: allowed_in_returns`, allow double negation in contexts
# that use boolean as a return value. When using ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/inline_comment.rb | Ruby | mit | 12,856 | master | 960 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for trailing inline comments. Inline comments can
# make lines harder to read, especially when they are long.
# Placing comments on their own line above the code they
# describe is often clearer.
#
#... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/partition_instead_of_double_select.rb | Ruby | mit | 12,856 | master | 9,517 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for consecutive calls to `select`/`filter`/`find_all` and `reject`
# on the same receiver with the same block body, where `partition` could be
# used instead. Also detects two `select` or two `reject` calls where one
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/bitwise_predicate.rb | Ruby | mit | 12,856 | master | 2,993 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Prefer bitwise predicate methods over direct comparison operations.
#
# @safety
# This cop is unsafe, as it can produce false positives if the receiver
# is not an `Integer` object.
#
# @example
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/empty_heredoc.rb | Ruby | mit | 12,856 | master | 1,301 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for using empty heredoc to reduce redundancy.
#
# @example
#
# # bad
# <<~EOS
# EOS
#
# <<-EOS
# EOS
#
# <<EOS
# EOS
#
# # good
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/nested_modifier.rb | Ruby | mit | 12,856 | master | 2,891 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for nested use of if, unless, while and until in their
# modifier form.
#
# @example
#
# # bad
# something if a if b
#
# # good
# something if b && a
class Neste... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/redundant_array_flatten.rb | Ruby | mit | 12,856 | master | 1,384 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for redundant calls of `Array#flatten`.
#
# `Array#join` joins nested arrays recursively, so flattening an array
# beforehand is redundant.
#
# @safety
# Cop is unsafe because the receiver of... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/negated_if.rb | Ruby | mit | 12,856 | master | 2,085 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of if with a negated condition. Only ifs
# without else are considered. There are three different styles:
#
# * both
# * prefix
# * postfix
#
# @example EnforcedStyle: both (defa... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/not.rb | Ruby | mit | 12,856 | master | 2,161 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for uses of the keyword `not` instead of `!`.
# The `not` keyword has lower precedence than `!`, which can
# lead to surprising behavior and often requires parentheses.
#
# @example
#
# # bad... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/infinite_loop.rb | Ruby | mit | 12,856 | master | 3,936 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Use `Kernel#loop` for infinite loops.
#
# @safety
# This cop is unsafe as the rule should not necessarily apply if the loop
# body might raise a `StopIteration` exception; contrary to other infinite
# ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/exponential_notation.rb | Ruby | mit | 12,856 | master | 3,060 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Enforces consistency when using exponential notation
# for numbers in the code (eg 1.2e4). Different styles are supported:
#
# * `scientific` which enforces a mantissa between 1 (inclusive) and 10 (exclusive).
# ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/multiline_when_then.rb | Ruby | mit | 12,856 | master | 1,415 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks uses of the `then` keyword
# in multi-line when statements.
#
# @example
# # bad
# case foo
# when bar then
# end
#
# # good
# case foo
# when bar
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/method_call_with_args_parentheses/require_parentheses.rb | Ruby | mit | 12,856 | master | 1,993 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
class MethodCallWithArgsParentheses
# Style require_parentheses
module RequireParentheses
REQUIRE_MSG = 'Use parentheses for method calls with arguments.'
private_constant :REQUIRE_MSG
privat... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/method_call_with_args_parentheses/omit_parentheses.rb | Ruby | mit | 12,856 | master | 9,435 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
class MethodCallWithArgsParentheses
# Style omit_parentheses
# rubocop:disable Metrics/ModuleLength, Metrics/CyclomaticComplexity
module OmitParentheses
include RangeHelp
TRAILING_WHITESPACE_RE... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/style/bisected_attr_accessor/macro.rb | Ruby | mit | 12,856 | master | 1,381 | # frozen_string_literal: true
module RuboCop
module Cop
module Style
class BisectedAttrAccessor
# Representation of an `attr_reader`, `attr_writer` or `attr` macro
# for use by `Style/BisectedAttrAccessor`.
# @api private
class Macro
include VisibilityHelp
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/plugin.rb | Ruby | mit | 12,856 | master | 906 | # frozen_string_literal: true
require 'lint_roller'
module RuboCop
module InternalAffairs
# A Plugin for `InternalAffairs` department, which has internal cops.
class Plugin < LintRoller::Plugin
def about
LintRoller::About.new(
name: 'rubocop-internal_affairs',
version: Vers... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/on_send_without_on_csend.rb | Ruby | mit | 12,856 | master | 2,834 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for cops that define `on_send` without define `on_csend`.
#
# Although in some cases it can be predetermined that safe navigation
# will never be used with the code checked by a specific cop, in genera... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/empty_line_between_expect_offense_and_correction.rb | Ruby | mit | 12,856 | master | 2,086 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks whether `expect_offense` and correction expectation methods
# (i.e. `expect_correction` and `expect_no_corrections`) are separated by empty line.
#
# @example
# # bad
# it 'registers an... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/useless_restrict_on_send.rb | Ruby | mit | 12,856 | master | 1,482 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for useless `RESTRICT_ON_SEND`.
#
# @example
# # bad
# class FooCop
# RESTRICT_ON_SEND = %i[bad_method].freeze
# end
#
# # good
# class FooCop
# ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/redundant_message_argument.rb | Ruby | mit | 12,856 | master | 1,591 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for redundant message arguments to `#add_offense`. This method
# will automatically use `#message` or `MSG` (in that order of priority)
# if they are defined.
#
# @example
#
# # bad... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/redundant_location_argument.rb | Ruby | mit | 12,856 | master | 1,430 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for redundant `location` argument to `#add_offense`. `location`
# argument has a default value of `:expression` and this method will
# automatically use it.
#
# @example
#
# # bad
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/single_line_comparison.rb | Ruby | mit | 12,856 | master | 1,778 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Enforces the use of `node.single_line?` instead of
# comparing `first_line` and `last_line` for equality.
#
# @example
# # bad
# node.loc.first_line == node.loc.last_line
#
# # b... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/node_destructuring.rb | Ruby | mit | 12,856 | master | 1,242 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks that node destructuring is using the node extensions.
#
# @example Using splat expansion
#
# # bad
# _receiver, method_name, _arguments = send_node.children
#
# # bad
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/style_detected_api_use.rb | Ruby | mit | 12,856 | master | 5,019 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for correct use of the style_detected API provided by
# `ConfigurableEnforcedStyle`. If `correct_style_detected` is used
# then `opposite_style_detected`, `unexpected_style_detected`,
# `ambiguous_styl... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/node_type_group.rb | Ruby | mit | 12,856 | master | 2,878 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks that node types are checked against their group when all types of a
# group are checked.
#
# @example
# # bad
# node.type?(:irange, :erange)
#
# # good
# node.rang... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/redundant_let_rubocop_config_new.rb | Ruby | mit | 12,856 | master | 2,248 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks that `let` is `RuboCop::Config.new` with no arguments.
#
# @example
# # bad
# RSpec.describe RuboCop::Cop::Department::Foo, :config do
# let(:config) { RuboCop::Config.new }
#... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/redundant_expect_offense_arguments.rb | Ruby | mit | 12,856 | master | 865 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for redundant arguments of `RuboCop::RSpec::ExpectOffense`'s methods.
#
# @example
#
# # bad
# expect_no_offenses('code', keyword: keyword)
#
# # good
# expect_no_... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/itblock_handler.rb | Ruby | mit | 12,856 | master | 1,840 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for missing `itblock` handlers. The blocks with the `it`
# parameter introduced in Ruby 3.4 are parsed with a node type of
# `itblock` instead of block. Cops that define `block` handlers
# need to defi... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/lambda_or_proc.rb | Ruby | mit | 12,856 | master | 1,276 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Enforces the use of `node.lambda_or_proc?` instead of `node.lambda? || node.proc?`.
#
# @example
# # bad
# node.lambda? || node.proc?
# node.proc? || node.lambda?
#
# # good
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/cop_enabled.rb | Ruby | mit | 12,856 | master | 2,509 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Use `config.cop_enabled?('Department/CopName')` instead of
# traversing the config hash.
#
# @example
# # `for_cop(...)['Enabled']
#
# # bad
# config.for_cop('Department/CopName'... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/undefined_config.rb | Ruby | mit | 12,856 | master | 3,028 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Looks for references to a cop configuration key that isn't defined in config/default.yml.
class UndefinedConfig < Base
# `FileFinder` is a private API not intended to be used by cops,
# but it's fine for ... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/method_name_end_with.rb | Ruby | mit | 12,856 | master | 2,305 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks potentially usage of method identifier predicates
# defined in rubocop-ast instead of `method_name.end_with?`.
#
# @example
# # bad
# node.method_name.to_s.end_with?('=')
#
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/example_description.rb | Ruby | mit | 12,856 | master | 4,028 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks that RSpec examples that use `expects_offense`
# or `expects_no_offenses` do not have conflicting
# descriptions.
#
# @example
# # bad
# it 'does not register an offense' do
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/offense_location_keyword.rb | Ruby | mit | 12,856 | master | 1,728 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for potential uses of the location keywords which can be used as
# shortcut arguments to `#add_offense`.
#
# @example
#
# # bad
# add_offense(node, location: node.loc.selector)
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/numblock_handler.rb | Ruby | mit | 12,856 | master | 1,855 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for missing `numblock` handlers. The blocks with numbered
# arguments introduced in Ruby 2.7 are parsed with a node type of
# `numblock` instead of block. Cops that define `block` handlers
# need to de... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/redundant_context_config_parameter.rb | Ruby | mit | 12,856 | master | 1,190 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks for redundant `:config` parameter in the `context` arguments.
#
# @example
#
# # bad
# context 'foo', :config do
# end
#
# # good
# context 'foo' do
... |
github | rubocop/rubocop | https://github.com/rubocop/rubocop | lib/rubocop/cop/internal_affairs/location_line_equality_comparison.rb | Ruby | mit | 12,856 | master | 1,807 | # frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Enforces the use of `same_line?` instead of location line comparison for equality.
#
# @example
# # bad
# node.loc.line == node.parent.loc.line
#
# # bad
# node.loc.first_line ... |
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