Contents

# A list type wraps another type.
#
# Get the underlying type with {#unwrap}
class GraphQL::ListType < GraphQL::BaseType
  include GraphQL::BaseType::ModifiesAnotherType
  attr_reader :of_type, :name
  def initialize(of_type:)
    @name = "List"
    @of_type = of_type
  end

  def kind
    GraphQL::TypeKinds::LIST
  end

  def to_s
    "[#{of_type.to_s}]"
  end

  def validate_non_null_input(value)
    result = GraphQL::Query::InputValidationResult.new

    ensure_array(value).each_with_index do |item, index|
      item_result = of_type.validate_input(item)
      if !item_result.valid?
        result.merge_result!(index, item_result)
      end
    end

    result
  end


  def coerce_non_null_input(value)
    ensure_array(value).map{ |item| of_type.coerce_input(item) }
  end


  private

  def ensure_array(value)
    value.is_a?(Array) ? value : [value]
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
graphql-0.12.1	lib/graphql/list_type.rb
graphql-0.12.0	lib/graphql/list_type.rb
graphql-0.11.1	lib/graphql/list_type.rb