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# frozen_string_literal: true
# This cop checks for missing GraphQL type annotations on resolvers
#
# @example
#
# # bad
# module Resolvers
# class NoTypeResolver < BaseResolver
# field :some_field, GraphQL::STRING_TYPE
# end
# end
#
# # good
# module Resolvers
# class WithTypeResolver < BaseResolver
# type MyType, null: true
#
# field :some_field, GraphQL::STRING_TYPE
# end
# end
module RuboCop
module Cop
module Graphql
class ResolverType < RuboCop::Cop::Cop
MSG = 'Missing type annotation: Please add `type` DSL method call. ' \
'e.g: type UserType.connection_type, null: true'
def_node_matcher :typed?, <<~PATTERN
(... (begin <(send nil? :type ...) ...>))
PATTERN
def on_class(node)
add_offense(node, location: :expression) if resolver?(node) && !typed?(node)
end
private
def resolver?(node)
node.loc.name.source.end_with?('Resolver')
end
end
end
end
end
|
