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Versions: 10
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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop enforces consistent use of `Object#is_a?` or `Object#kind_of?`.
class ClassCheck < Cop
include ConfigurableEnforcedStyle
MSG = 'Prefer `Object#%s` over `Object#%s`.'.freeze
def_node_matcher :class_check?, '(send _ ${:is_a? :kind_of?} _)'
def on_send(node)
class_check?(node) do |method_name|
return if style == method_name
add_offense(node, :selector)
end
end
def message(node)
_receiver, method_name, *_args = *node
if method_name == :is_a?
format(MSG, 'kind_of?', 'is_a?')
else
format(MSG, 'is_a?', 'kind_of?')
end
end
def autocorrect(node)
_receiver, method_name, *_args = *node
lambda do |corrector|
corrector.replace(node.loc.selector,
method_name == :is_a? ? 'kind_of?' : 'is_a?')
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems