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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Naming
# This cop makes sure that accessor methods are named properly.
#
# @example
# # bad
# def set_attribute(value)
# end
#
# # good
# def attribute=(value)
# end
#
# # bad
# def get_attribute
# end
#
# # good
# def attribute
# end
class AccessorMethodName < Cop
MSG_READER = 'Do not prefix reader method names with `get_`.'
MSG_WRITER = 'Do not prefix writer method names with `set_`.'
def on_def(node)
return unless bad_reader_name?(node) || bad_writer_name?(node)
add_offense(node, location: :name)
end
alias on_defs on_def
private
def message(node)
if bad_reader_name?(node)
MSG_READER
elsif bad_writer_name?(node)
MSG_WRITER
end
end
def bad_reader_name?(node)
node.method_name.to_s.start_with?('get_') && !node.arguments?
end
def bad_writer_name?(node)
node.method_name.to_s.start_with?('set_') && node.arguments.one?
end
end
end
end
end
Version data entries
60 entries across 41 versions & 5 rubygems