Module: Tapioca::Dsl::Helpers::GraphqlTypeHelper

Extended by:
T::Sig, GraphqlTypeHelper
Included in:
GraphqlTypeHelper
Defined in:
lib/tapioca/dsl/helpers/graphql_type_helper.rb

Instance Method Summary collapse

Instance Method Details

#type_for(argument) ⇒ Object



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# File 'lib/tapioca/dsl/helpers/graphql_type_helper.rb', line 13

def type_for(argument)
  type = if argument.loads
    loads_type = ::GraphQL::Schema::Wrapper.new(argument.loads)
    loads_type = loads_type.to_list_type if argument.type.list?
    loads_type = loads_type.to_non_null_type if argument.type.non_null?
    loads_type
  else
    argument.type
  end
  unwrapped_type = type.unwrap

  parsed_type = case unwrapped_type
  when GraphQL::Types::Boolean.singleton_class
    "T::Boolean"
  when GraphQL::Types::Float.singleton_class
    type_for_constant(Float)
  when GraphQL::Types::ID.singleton_class, GraphQL::Types::String.singleton_class
    type_for_constant(String)
  when GraphQL::Types::Int.singleton_class, GraphQL::Types::BigInt.singleton_class
    type_for_constant(Integer)
  when GraphQL::Types::ISO8601Date.singleton_class
    type_for_constant(Date)
  when GraphQL::Types::ISO8601DateTime.singleton_class
    type_for_constant(Time)
  when GraphQL::Types::JSON.singleton_class
    "T::Hash[::String, T.untyped]"
  when GraphQL::Schema::Enum.singleton_class
    enum_values = T.cast(unwrapped_type.enum_values, T::Array[GraphQL::Schema::EnumValue])
    value_types = enum_values.map { |v| type_for_constant(v.value.class) }.uniq

    if value_types.size == 1
      T.must(value_types.first)
    else
      "T.any(#{value_types.join(", ")})"
    end
  when GraphQL::Schema::Scalar.singleton_class
    method = Runtime::Reflection.method_of(unwrapped_type, :coerce_input)
    signature = Runtime::Reflection.signature_of(method)
    return_type = signature&.return_type

    if return_type && !(T::Private::Types::Void === return_type || T::Private::Types::NotTyped === return_type)
      return_type.to_s
    else
      "T.untyped"
    end
  when GraphQL::Schema::InputObject.singleton_class
    type_for_constant(unwrapped_type)
  when Module
    Runtime::Reflection.qualified_name_of(unwrapped_type) || "T.untyped"
  else
    "T.untyped"
  end

  if type.list?
    parsed_type = "T::Array[#{parsed_type}]"
  end

  unless type.non_null? || has_replaceable_default?(argument)
    parsed_type = RBIHelper.as_nilable_type(parsed_type)
  end

  parsed_type
end