code: function cleanTouchActions(actions) {
      // none
      if (inStr(actions, TOUCH_ACTION_NONE)) {
          return TOUCH_ACTION_NONE;
      }
  
      var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);
      var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);
  
      // if both pan-x and pan-y are set (different recognizers
      // for different directions, e.g. horizontal pan but vertical swipe?)
      // we need none (as otherwise with pan-x pan-y combined none of these
      // recognizers will work, since the browser would handle all panning
      if (hasPanX && hasPanY) {
          return TOUCH_ACTION_NONE;
      }
  
      // pan-x OR pan-y
      if (hasPanX || hasPanY) {
          return hasPanX ? TOUCH_ACTION_PAN_X : TOUCH_ACTION_PAN_Y;
      }
  
      // manipulation
      if (inStr(actions, TOUCH_ACTION_MANIPULATION)) {
          return TOUCH_ACTION_MANIPULATION;
      }
  
      return TOUCH_ACTION_AUTO;
  }
docs: when the touchActions are collected they are not a valid value, so we need to clean things up. *
  @param {String} actions
  @returns {*}