File: subscription_root_exists.rb

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ruby-graphql 2.2.17-1
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# frozen_string_literal: true
module GraphQL
  module StaticValidation
    module SubscriptionRootExists
      def on_operation_definition(node, _parent)
        if node.operation_type == "subscription" && context.warden.root_type_for_operation("subscription").nil?
          add_error(GraphQL::StaticValidation::SubscriptionRootExistsError.new(
            'Schema is not configured for subscriptions',
            nodes: node
          ))
        else
          super
        end
      end
    end
  end
end