code: function parseListConfig(string) {
  		var items = {};
  
  		// Collapse whitespace around ,
  		string = string.replace(/\s*,\s*/g, ",");
  
  		string.split(/,+/).forEach(function(name) {
  			name = name.trim();
  			if (!name) {
  				return;
  			}
  			items[name] = true;
  		});
  		return items;
  	}
docs: Parses a config of values separated by comma.
  @param {string} string The string to parse.
  @returns {Object} Result map of values and true values