Converst function into yieldable (JavaScript)

yieldable.js

/**
 * Converst function into yieldable
 * @param  {Function}
 * @return {Function} yieldable callback
 */
function yieldable (func) {
  return function () {
    let args = [].slice.call(arguments);
    let ctx = this;
    return function (done) {
      args.push(function (err, result) {
        done(err, result);
      });
      func.apply(ctx, args);
    };
  };
}