code: function getFactory(arg) {
  	return n.ObjectExpression.check(arg)
  		? slimBuilder.makeFactoryFromObject(arg)
  		: arg;
  }
docs: Normalizes the factory function if the object shorthand was used
  @param {Object} arg - The AST node of the argument where the
  "factory" function should be found.
  @return {Object} The AST node of the factory function.