public String process(final String filename, final String code)
throws IOException {
final StopWatch watch = new StopWatch();
watch.start("init " + filename);
final RhinoScriptBuilder builder = initScriptBuilder();
watch.stop();
final String originalCode = WroUtil.toJSMultiLineString(code);
// TODO handle reservedNames
final String optionsAsJson = createOptionsAsJson();
Validate.notNull(optionsAsJson);
final String scriptAsString = String.format(getInvokeScript(), originalCode, optionsAsJson);