如何使用nodejs获取父文件夹名称

const path = require('path');

const filePath = '/path/to/parentfolder/filename.txt';
const parentFolderPath = path.dirname(filePath);

const parentFolderName = path.basename(parentFolderPath);

const path = require('path');

const filePath = '/path/to/parentfolder/filename.txt';
const parentFolderPath = path.dirname(filePath);
const parentFolderName = path.basename(parentFolderPath);

console.log(parentFolderName);