// hasDescription.js
(function () {
  /* global adventurejs A */
  var p = adventurejs.Asset.prototype;
  /**
   * See if asset has a description for an identifier,
   * such as "look in book", where
   * "in" has been defined as a key at
   * asset.descriptions.in.
   * "look" is always the default identifier.
   * @memberOf adventurejs.Asset
   * @method adventurejs.Asset#hasDescription
   * @param {String} identifier
   * @return {String|Boolean}
   */
  p.hasDescription = function Asset_hasDescription(identifier) {
    identifier = identifier || "look";
    let description = this.descriptions[identifier];
    if (
      ("string" === typeof description && description.length) ||
      "function" === typeof description ||
      Array.isArray(description)
    ) {
      return true;
    }
    return false;
  };
})();