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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for parentheses in the definition of a method,
# that does not take any arguments. Both instance and
# class/singleton methods are checked.
#
# @example
#
# # bad
# def foo()
# do_something
# end
#
# # good
# def foo
# do_something
# end
#
# # bad
# def foo() = do_something
#
# # good
# def foo = do_something
#
# # good (without parentheses it's a syntax error)
# def foo() do_something end
#
# # bad
# def Baz.foo()
# do_something
# end
#
# # good
# def Baz.foo
# do_something
# end
class DefWithParentheses < Base
extend AutoCorrector
MSG = "Omit the parentheses in defs when the method doesn't accept any arguments."
def on_def(node)
return if node.single_line? && !node.endless?
return unless !node.arguments? && (node_arguments = node.arguments.source_range)
add_offense(node_arguments) do |corrector|
corrector.remove(node_arguments)
end
end
alias on_defs on_def
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems