Method isPromise

lib/util.js:790–792

* Is the specified argument a javascript promise? * * @method isPromise * @param {unknown} obj An argument of any type. * @returns {obj is Promise} TRUE if the arg is a Promise, FALSE if not

(obj)

   * @returns {obj is Promise} TRUE if the arg is a Promise, FALSE if not
   */
  static isPromise(obj) {
    return Object.prototype.toString.call(obj) === '[object Promise]';
  }

  /**
   * Returns a string of flags for regular expression `re`.