find_template_paths_from_details

# File actionview/lib/action_view/template/resolver.rb, line 327
      def find_template_paths_from_details(path, details)
        # Instead of checking for every possible path, as our other globs would
        # do, scan the directory for files with the right prefix.
        query = "#{escape_entry(File.join(@path, path))}*"

        regex = build_regex(path, details)

        Dir[query].uniq.reject do |filename|
          # This regex match does double duty of finding only files which match
          # details (instead of just matching the prefix) and also filtering for
          # case-insensitive file systems.
          !regex.match?(filename) ||
            File.directory?(filename)
        end.sort_by do |filename|
          # Because we scanned the directory, instead of checking for files
          # one-by-one, they will be returned in an arbitrary order.
          # We can use the matches found by the regex and sort by their index in
          # details.
          match = filename.match(regex)
          EXTENSIONS.keys.reverse.map do |ext|
            if ext == :variants && details[ext] == :any
              match[ext].nil? ? 0 : 1
            elsif match[ext].nil?
              # No match should be last
              details[ext].length
            else
              found = match[ext].to_sym
              details[ext].index(found)
            end
          end
        end
      end