Module: GraphQL::Client::Schema

Defined in:
lib/graphql/client/schema.rb,
lib/graphql/client/schema/base_type.rb,
lib/graphql/client/schema/enum_type.rb,
lib/graphql/client/schema/list_type.rb,
lib/graphql/client/schema/union_type.rb,
lib/graphql/client/schema/object_type.rb,
lib/graphql/client/schema/scalar_type.rb,
lib/graphql/client/schema/non_null_type.rb,
lib/graphql/client/schema/interface_type.rb,
lib/graphql/client/schema/possible_types.rb,
lib/graphql/client/schema/skip_directive.rb,
lib/graphql/client/schema/include_directive.rb

Defined Under Namespace

Modules: BaseType, ClassMethods, ObjectType Classes: EnumType, IncludeDirective, InterfaceType, ListType, NonNullType, ObjectClass, PossibleTypes, ScalarType, SkipDirective, UnionType

Class Method Summary collapse

Class Method Details

.class_for(schema, type, cache) ⇒ Object 



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# File 'lib/graphql/client/schema.rb', line 63

def self.class_for(schema, type, cache)
  return cache[type] if cache[type]

  case type
  when GraphQL::InputObjectType
    nil
  when GraphQL::ScalarType
    cache[type] = ScalarType.new(type)
  when GraphQL::EnumType
    cache[type] = EnumType.new(type)
  when GraphQL::ListType
    cache[type] = class_for(schema, type.of_type, cache).to_list_type
  when GraphQL::NonNullType
    cache[type] = class_for(schema, type.of_type, cache).to_non_null_type
  when GraphQL::UnionType
    klass = cache[type] = UnionType.new(type)

    type.possible_types.each do |possible_type|
      possible_klass = class_for(schema, possible_type, cache)
      possible_klass.send :include, klass
    end

    klass
  when GraphQL::InterfaceType
    cache[type] = InterfaceType.new(type)
  when GraphQL::ObjectType
    klass = cache[type] = ObjectType.new(type)

    type.interfaces.each do |interface|
      klass.send :include, class_for(schema, interface, cache)
    end

    type.all_fields.each do |field|
      klass.fields[field.name.to_sym] = class_for(schema, field.type, cache)
    end

    klass
  else
    raise TypeError, "unexpected #{type.class}"
  end
end

.generate(schema) ⇒ Object 



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# File 'lib/graphql/client/schema.rb', line 38

def self.generate(schema)
  mod = Module.new
  mod.extend ClassMethods

  mod.define_singleton_method :schema do
    schema
  end

  cache = {}
  schema.types.each do |name, type|
    next if name.start_with?("__")
    if klass = class_for(schema, type, cache)
      klass.schema_module = mod
      mod.const_set(name, klass)
    end
  end

  directives = {}
  mod.define_singleton_method(:directives) { directives }
  directives[:include] = IncludeDirective
  directives[:skip] = SkipDirective

  mod
end