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# frozen_string_literal: true
# This cop checks for missing GraphQL field descriptions.
#
# @example
#
# # bad
# class AwfulClass
# field :some_field, GraphQL::STRING_TYPE
# end
#
# class TerribleClass
# argument :some_argument, GraphQL::STRING_TYPE
# end
#
# # good
# class GreatClass
# argument :some_field,
# GraphQL::STRING_TYPE,
# description: "Well described - a superb description"
#
# field :some_field,
# GraphQL::STRING_TYPE,
# description: "A thorough and compelling description"
# end
module RuboCop
module Cop
module Graphql
class Descriptions < RuboCop::Cop::Cop
MSG = 'Please add a `description` property.'
# ability_field and permission_field set a default description.
def_node_matcher :fields, <<~PATTERN
(send nil? :field $...)
PATTERN
def_node_matcher :arguments, <<~PATTERN
(send nil? :argument $...)
PATTERN
def_node_matcher :has_description?, <<~PATTERN
(hash <(pair (sym :description) _) ...>)
PATTERN
def on_send(node)
matches = fields(node) || arguments(node)
return if matches.nil?
add_offense(node, location: :expression) unless has_description?(matches.last)
end
end
end
end
end
|
