Assembly Line

/**
 *
 * @returns {Object}
 */
function createAssemblyLine() {
  let decorators = {};

  /**
   *
   * @param {Object} obj
   */
  decorators.hasClima = function(obj) {
    obj.temp = 21;
    obj.tempSettings = 21;
    obj.adjustTemp = function() {(obj.temp < obj.tempSettings) ? obj.temp += 1 : (obj.temp > obj.tempSettings)? obj.temp -= 1 : obj.temp}
  };

  /**
   *
   * @param {Object} obj
   */
  decorators.hasAudio = function(obj) {
    obj.currentTrack = null;
    obj.nowPlaying = function() { if (obj.currentTrack !== null) console.log(`Now playing ${obj.currentTrack.name} by ${obj.currentTrack.artist}`); }
  };

  /**
   *
   * @param {Object} obj
   */
  decorators.hasParktronic = function(obj) {
    obj.checkDistance = function(distance) {
      if (distance < 0.1) {
        console.log('Beep! Beep! Beep!');
      } else if (0.1 <= distance && distance < 0.25) {
        console.log('Beep! Beep!');
      } else if (0.25 <= distance && distance < 0.5) {
        console.log('Beep!');
      } else {console.log('');}
    };
  };

  return decorators;
}