normalize_name

# File actionview/lib/action_view/lookup_context.rb, line 230
      def normalize_name(name, prefixes)
        prefixes = prefixes.presence
        parts    = name.to_s.split("/")
        parts.shift if parts.first.empty?
        name = parts.pop

        return name, prefixes || [""] if parts.empty?

        parts    = parts.join("/")
        prefixes = prefixes ? prefixes.map { |p| "#{p}/#{parts}" } : [parts]

        return name, prefixes
      end