// isDirection.js

(function () {
  /*global adventurejs A*/

  var p = adventurejs.Dictionary.prototype;

  /**
   * Is this a direction?
   * @memberOf adventurejs.Dictionary
   * @method adventurejs.Dictionary#isDirection
   * @param {String} word A string to be evaluated.
   * @returns {Boolean}
   */
  p.isDirection = function Dictionary_isDirection(word) {
    return this.getDirection(word) !== false;
  };
})();