getDirectoryContents.js

// async fs directory listing
// https://nodejs.org/api/fs.html#fs_fs_promises_api

const fs = require('fs').promises;
const bytes = require('bytes');
const relativeDate = require('tiny-relative-date');

const getHumanReadable = stats => {
  // filesize
  // date modified
  // kind
  // console.log(stats);
  const { size, mtime, ctime } = stats;
  return {
    filesize: bytes(size),
    dateModified: relativeDate(mtime),
    dateCreated: relativeDate(ctime),
    kind: stats.isFile() ? 'file' : 'directory'
  };
};

export default async function getDirectoryContents(folder = __dirname) {
  const files = await fs.readdir(folder);
  try {
    return await Promise.all(
      files.map(async file => {
        const stats = await fs.stat(file);
        return {
          filename: file,
          info: getHumanReadable(stats)
        };
      })
    );
  } catch (e) {
    console.error(e);
  }
}