instance method build_package_options_lookup

# File lib/importmap/packager.rb, line 84
    def build_package_options_lookup(lines)
      lines.each_with_object({}) do |line, package_options|
        match = line.strip.match(PIN_REGEX)

        if match
          package_name = match[1]
          options_part = match[2]

          preload_match = options_part.match(PRELOAD_OPTION_REGEXP)

          if preload_match
            preload = preload_from_string(preload_match[1])
            package_options[package_name] = { preload: preload }
          end
        end
      end
    end