valikos

interface Node {
  id: ID!
}

interface Person {
  firstName: String!
  lastName: String
}

type Character implements Node & Person {

valikos

class Types::ResultType < Types::BaseUnion
  possible_types Types::CharacterType, Types::LandType, Types::BuildingType
  
  # Optional: if this method is defined, it will override `Schema.resolve_type`
  def self.resolve_type(object, context)
    if object.is_a?(Character)
      Types::CharacterType
    elsif object.is_a?(Land)
      Types::LandType
    else

valikos

{
  "data": {
    "search": [
      {
        "__typename": "Character",
        "firstName": "Finn"
      },
      {
        "__typename": "Land",
        "name": "Land of Ooo"

valikos

{
  search(in: "Adventure Time") {
    __typename
    ... on Character {
      firstName
    }
    ... on land {
      name
    }
    ... on Building {

valikos

  union Result = Character | Land | Building

  type Character {
    firstName: String!
  }

  type Building {
    type: String!
  }

valikos

class Types::RoleEnum < Types::BaseEnum
  value 'FATHER',   value: :father
  value 'MOTHER',   value: :mom
  value 'SON',      value: :son
  value 'DAUGHTER', value: :daughter
  value 'PET',      value: :animal
end

valikos

enum RoleEnum {
  FATHER
  MOTHER
  SON
  DAUGHTER
  DOG
}

valikos

class Types::Url < Types::BaseScalar
  description "A valid URL, transported as a string"

  def self.coerce_input(input_value, context)
    url = URI.parse(input_value)
    if url.is_a?(URI::HTTP) || url.is_a?(URI::HTTPS)
      url
    else
      raise GraphQL::CoercionError, "#{input_value.inspect} is not a valid URL"
    end

valikos

module Types
  class CharacterType < BaseObject
    field :first_name, String, null: false
    field :last_name, String, null: true do
      argument :reverse, Boolean, required: false
    end
    field :friends, [Types::CharacterType], null: true do 
      argument :last, Integer, required: false
    end
  end

valikos

module Types
  class CharacterType < BaseObject
    field :first_name, String, null: false
    field :last_name, String, null: true
    field :friends, [Types::CharacterType], null: true
  end
end