code: function merge_options(obj, options) {
    // if no current options, just return the default ones.
    if (!obj) return options;
  
    for (var key in options) {
      var current = obj[key];
      if (current && current != '') {
        options[key].default = current;
      }
    }
    return options;
  }
docs: ///////////////////////////////////////////////// helpers merges plugin default options with existing values in config