in lib/twitter_cldr/js/renderers/implementation/shared/phone_codes_renderer.rb [13:19]
def phone_codes
TwitterCldr::Shared::PhoneCodes.territories.inject({}) do |ret, country_code|
ret[country_code] = TwitterCldr::Shared::PhoneCodes.code_for_territory(country_code)
ret
end.to_json
end