code: function replace(styleUrls, options) {
    var styles = '';
    var urls = eval('({' + styleUrls + '}).styleUrls');
    if (urls) {
      urls.forEach(function (url, i) {
        var coma = i > 0 ? ', ' : '';
        styles += coma + getStylesString(url, options);
      });
    }
  
  
    var newLines = STYLES + ': [' + styles + ']';
    newLines += hasTraillingComa(styleUrls) ? ',' : '';
    return newLines;
  }
docs: ---------------------- Utils