class Opal::Builder

def initialize(options = nil)
  (options || {}).each_pair do |k, v|
    public_send("#{k}=", v)
  end
  @stubs                    ||= []
  @preload                  ||= []
  @processors               ||= ::Opal::Builder.processors
  @path_reader              ||= PathReader.new(Opal.paths, extensions.map { |e| [".#{e}", ".js.#{e}"] }.flatten)
  @prerequired              ||= []
  @compiler_options         ||= Opal::Config.compiler_options
  @missing_require_severity ||= Opal::Config.missing_require_severity
  @cache                    ||= Opal.cache
  @scheduler                ||= Opal.builder_scheduler
  if @scheduler.respond_to? :new
    @scheduler = @scheduler.new(self)
  end
  @processed = []
end