in lib/twitter_cldr/js/compiler.rb [16:24]
def initialize(options = {})
@locales = options[:locales] || TwitterCldr.supported_locales
@features = options[:features] || implementation_renderers.keys
@data = options[:features] || data_renderers.keys
@test_helpers = options[:test_helpers] || test_helper_renderers.keys
@prerender = options[:prerender].nil? ? true : options[:prerender]
@source_map = options[:source_map]
end