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# frozen_string_literal: true
module RuboCop
module Cop
module API
class GrapeAPIInstance < RuboCop::Cop::Cop
# This cop checks that APIs subclass Grape::API::Instance with Grape v1.3+.
#
# @example
#
# # bad
# module API
# class Projects < Grape::API
# end
# end
#
# # good
# module API
# class Projects < Grape::API::Instance
# end
# end
MSG = 'Inherit from Grape::API::Instance instead of Grape::API. ' \
'For more details check the https://gitlab.com/gitlab-org/gitlab/-/issues/215230.'
def_node_matcher :grape_api_definition, <<~PATTERN
(class
(const _ _)
(const
(const nil? :Grape) :API)
...
)
PATTERN
def on_class(node)
grape_api_definition(node) do
add_offense(node.children[1])
end
end
end
end
end
end
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