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# frozen_string_literal: true
module RuboCop
module Cop
module Gitlab
# Cop that enforces use of namespaced classes in order to better identify
# high level domains within the codebase.
# @example
# # bad
# class MyClass
# end
#
# # good
# module MyDomain
# class MyClass
# end
# end
class NamespacedClass < RuboCop::Cop::Cop
MSG = 'Classes must be declared inside a module indicating a product domain namespace. For more info: https://gitlab.com/gitlab-org/gitlab/-/issues/212156'
def_node_matcher :compact_namespaced_class?, <<~PATTERN
(class (const (const ...) ...) ...)
PATTERN
def on_module(node)
@namespaced = true
end
def on_class(node)
return if @namespaced
add_offense(node) unless compact_namespaced_class?(node)
end
end
end
end
end
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