Method: Rails::GraphQL::Request::PreparedData.lookup

Defined in:
lib/rails/graphql/request/prepared_data.rb

.lookup(request, field) ⇒ Object

Look up the given field using the request as a reference. It accepts any Rails::GraphQL::Field or a string where “query.create_user” means a query field on the request schema with create_user as name, or create_user as gql_name, and “User.devices” will use the schema of the request to lookup the type “User” and then pick the field devices



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# File 'lib/rails/graphql/request/prepared_data.rb', line 31

def self.lookup(request, field)
  return field if field.is_a?(GraphQL::Field)

  source, name = field.to_s.split('.')
  return if source.nil? || name.nil?

  if SCHEMA_BASED.any? { |item| item.to_s == source }
    request.schema.find_field!(source.to_sym, name)
  elsif (type = request.schema.find_type!(source)).is_a?(Helpers::WithFields)
    type.find_field!(name)
  else
    field
  end
rescue NotFoundError
  # Return the original value, maybe it will be resolved somewhere else
  field
end