code: function optionToArray(val, defVal) {
  			if (val === undefined) {
  				val = defVal;
  			}
  			if (!val) {
  				return [];
  			}
  			if (typeof val !== 'string') {
  				return val;
  			}
  			return val.split(',').map(_.trim);
  		}
docs: Helpers
   
  Convert a string of comma separated words into an array
  
  @param {String} val Input string
  @param {String} defVal Default value
  @return {Array}