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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module InternalAffairs
# Checks that method names are checked using `method?` method.
#
# @example
# # bad
# node.method_name == :do_something
#
# # good
# node.method?(:do_something)
#
# # bad
# node.method_name != :do_something
#
# # good
# !node.method?(:do_something)
#
class MethodNameEqual < Base
extend AutoCorrector
MSG = 'Use `%<prefer>s` instead.'
RESTRICT_ON_SEND = %i[== !=].freeze
# @!method method_name(node)
def_node_matcher :method_name, <<~PATTERN
(send
(send
(...) :method_name) {:== :!=}
$_)
PATTERN
def on_send(node)
method_name(node) do |method_name_arg|
bang = node.method?(:!=) ? '!' : ''
prefer = "#{bang}#{node.receiver.receiver.source}.method?(#{method_name_arg.source})"
message = format(MSG, prefer: prefer)
add_offense(node, message: message) do |corrector|
corrector.replace(node, prefer)
end
end
end
end
end
end
end
Version data entries
39 entries across 39 versions & 8 rubygems