Make Edge.node non-null in GraphQL-Ruby

non_null_edge_node.rb

require "bundler/inline"

gemfile do
  gem "graphql", "2.4.7"
end

class MySchema < GraphQL::Schema
  class BaseEdge < GraphQL::Types::Relay::BaseEdge
    node_nullable(false)
  end
  class BaseConnection < GraphQL::Types::Relay::BaseConnection
    edge_nullable(false)
    edges_nullable(false)
    node_nullable(false)
  end
  class Item < GraphQL::Schema::Object
    edge_type_class(BaseEdge)
    connection_type_class(BaseConnection)
  end
  class Query < GraphQL::Schema::Object
    field :items, Item.connection_type
  end

  query(Query)
end

puts MySchema.to_definition

# """
# The connection type for Item.
# """
# type ItemConnection {
#   """
#   A list of edges.
#   """
#   edges: [ItemEdge!]!

#   """
#   A list of nodes.
#   """
#   nodes: [Item!]!

#   """
#   Information to aid in pagination.
#   """
#   pageInfo: PageInfo!
# }

# """
# An edge in a connection.
# """
# type ItemEdge {
#   """
#   A cursor for use in pagination.
#   """
#   cursor: String!

#   """
#   The item at the end of the edge.
#   """
#   node: Item!
# }