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# frozen_string_literal: true
module RuboCop
module Cop
# Enforces the use of 'class_methods' instead of 'module ClassMethods'
# For more information see: https://gitlab.com/gitlab-org/gitlab-ce/issues/50414
#
# @example
# # bad
# module Foo
# module ClassMethods
# def a_class_method
# end
# end
# end
#
# # good
# module Foo
# class_methods do
# def a_class_method
# end
# end
# end
#
class PreferClassMethodsOverModule < RuboCop::Cop::Cop
include RangeHelp
MSG = 'Do not use module ClassMethods, use class_methods block instead.'
def on_module(node)
add_offense(node) if node.defined_module_name == 'ClassMethods'
end
def autocorrect(node)
lambda do |corrector|
corrector.replace(module_range(node), 'class_methods do')
end
end
private
def module_range(node)
module_node, _ = *node
range_between(node.loc.keyword.begin_pos, module_node.source_range.end_pos)
end
end
end
end
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