@ou-imdt/utils/lib/node/createDirTreeJSON .js

Utility library for interactive media development

import { readdir, writeFile } from 'node:fs/promises';
import { join, sep, parse } from 'path';
import getObjectProperty from '../getObjectProperty.js';
import setObjectProperty from '../setObjectProperty.js';

export default async function createDirTreeJSON(path, options = {}) {
  const { filename = 'listing', recursive = true } = options;
  const files = await readdir(path, { recursive });
  const list = files.reduce((list, path) => {
    const { dir, base, ext } = parse(path);

    if (ext === '') {
      // dot notation will fall over if dirnames include dots (unlikely)... bracket notation should be ok...
      setObjectProperty(list, path.split(sep).map(value => `[${value}]`).join(''), {});
    } else {
      const target = getObjectProperty(list, dir.split(sep).join('.'));
      target.files ??= [];
      target.files.push(base);
    }
    return list;
  }, {});

  // console.log(list);
  writeFile(join(path, `${filename}.json`), JSON.stringify(list));
}