loadable_constants_for_path

# File activesupport/lib/active_support/dependencies.rb, line 350
    def loadable_constants_for_path(path, bases = autoload_paths)
      path = $` if path =~ /\.rb\z/
      expanded_path = File.expand_path(path)
      paths = []

      bases.each do |root|
        expanded_root = File.expand_path(root)
        next unless %{\A#{Regexp.escape(expanded_root)}(/|\\)} =~ expanded_path

        nesting = expanded_path[(expanded_root.size)..-1]
        nesting = nesting[1..-1] if nesting && nesting[0] == //
        next if nesting.blank?

        paths << nesting.camelize
      end

      paths.uniq!
      paths
    end