wechat-miniprogram-shop-template/miniprogram_npm/tdesign-miniprogram/tree-select/index.wxs

var getTreeClass = function (level, total) {
  if (level === 0) return 'right';
  if (level === 1 && level !== total - 1) return 'middle';
  return 'left';
};

module.exports.getTreeClass = getTreeClass;