# File lib/i18n-js.rb, line 17
    def assert_usable_configuration!
      @usable_configuration ||= Rails.version >= "3.1.1" &&
        Rails.configuration.assets.initialize_on_precompile ||
        raise("Cannot precompile i18n-js translations unless environment is initialized. Please set config.assets.initialize_on_precompile to true.")
    end