@ezdevlol/memfs/lib/print/index.js

In-memory file-system with Node's fs API.

import { printTree } from 'tree-dump';
import { basename } from '../node-to-fsa/util';
export const toTreeSync = (fs, opts = {}) => {
    const separator = opts.separator || '/';
    let dir = opts.dir || separator;
    if (dir[dir.length - 1] !== separator)
        dir += separator;
    const tab = opts.tab || '';
    const depth = opts.depth ?? 10;
    let subtree = ' (...)';
    if (depth > 0) {
        const list = fs.readdirSync(dir, { withFileTypes: true });
        subtree = printTree(tab, list.map(entry => tab => {
            if (entry.isDirectory()) {
                return toTreeSync(fs, { dir: dir + entry.name, depth: depth - 1, tab });
            }
            else if (entry.isSymbolicLink()) {
                return '' + entry.name + ' → ' + fs.readlinkSync(dir + entry.name);
            }
            else {
                return '' + entry.name;
            }
        }));
    }
    const base = basename(dir, separator) + separator;
    return base + subtree;
};