Contents

# typed: strict

module Typed
  module Coercion
    class StructCoercer < Coercer
      extend T::Generic

      Target = type_member { {fixed: T::Struct} }

      sig { override.params(type: Field::Type).returns(T::Boolean) }
      def used_for_type?(type)
        type.is_a?(Class) && !!(type < T::Struct)
      end

      sig { override.params(type: Field::Type, value: Value).returns(Result[Target, CoercionError]) }
      def coerce(type:, value:)
        return Failure.new(CoercionError.new("Field type must inherit from T::Struct for Struct coercion.")) unless type.is_a?(Class) && type < T::Struct
        return Success.new(value) if value.instance_of?(type)

        return Failure.new(CoercionError.new("Value of type '#{value.class}' cannot be coerced to #{type} Struct.")) unless value.is_a?(Hash)

        Success.new(type.from_hash!(HashTransformer.new.deep_stringify_keys(value)))
      rescue ArgumentError => e
        Failure.new(CoercionError.new(e.message))
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
sorbet-schema-0.4.0	lib/typed/coercion/struct_coercer.rb