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Contents
module NulogyMessageBusProducer
module Subscriptions
# Query Analyzer that returns an error when a subscription field
# has variables. See `SUBSCRIPTION_WITH_VARIABLES_MESSAGE`.
class NoVariables < GraphQL::Analysis::AST::Analyzer
SUBSCRIPTION_WITH_VARIABLES_MESSAGE = <<~MESSAGE.freeze
Subscriptions should not be created with arguments. e.g.
subscription($id: ID!) { fooWasCreated(id: $id) { ... } }
with variables { id: id_value, ... }
the $id variable should be inlined into the event that they are subscribing to:
subscription { fooWasCreated(id: id_value) { ... } }
MESSAGE
def initialize(query_or_multiplex)
super
@error = false
end
def analyze?
subject.subscription?
end
def on_enter_operation_definition(node, _parent, _visitor)
@error = true if subscription?(node) && node.variables.present?
end
def result
return unless @error
GraphQL::AnalysisError.new(SUBSCRIPTION_WITH_VARIABLES_MESSAGE)
end
private
def subscription?(node)
node.operation_type == "subscription"
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems