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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)
#
class MethodNameEqual < Cop
include RangeHelp
MSG = 'Use `method?(%<method_name>s)` instead of ' \
'`method_name == %<method_name>s`.'
def_node_matcher :method_name?, <<~PATTERN
(send
$(send
(...) :method_name) :==
$...)
PATTERN
def on_send(node)
method_name?(node) do |method_name_node, method_name_arg|
message = format(MSG, method_name: method_name_arg.first.source)
range = range(method_name_node, node)
add_offense(node, location: range, message: message)
end
end
def autocorrect(node)
lambda do |corrector|
method_name?(node) do |method_name_node, method_name_arg|
corrector.replace(
range(method_name_node, node),
"method?(#{method_name_arg.first.source})"
)
end
end
end
private
def range(method_name_node, node)
range_between(
method_name_node.loc.selector.begin_pos, node.source_range.end_pos
)
end
end
end
end
end
Version data entries
24 entries across 23 versions & 5 rubygems