code: def save(translations, file)
        file = ::Rails.root.join(file)
        FileUtils.mkdir_p File.dirname(file)
  
        variable_to_assign = config.fetch(:variable, 'Ember.I18n.translations')
  
        File.open(file, 'w+') do |f|
          f << variable_to_assign
          f << ' = '
          f << JSON.pretty_generate(translations).html_safe
          f << ';'
        end
      end
docs: Convert translations to JSON string and save file.