vfs: recursive mkdir does not follow symlinked intermediate directories #64286

import vfs from 'node:vfs';

const fs = vfs.create({ emitExperimentalWarning: false });

fs.mkdirSync('/target');
fs.symlinkSync('/target', '/link');

try {
  fs.mkdirSync('/link/subdir', { recursive: true });
  console.log('/target/subdir exists:', fs.existsSync('/target/subdir'));
} catch (err) {
  console.log('threw:', err.code);
}

import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';

const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'mkdir-symlink-'));

const target = path.join(dir, 'target');
const link = path.join(dir, 'link');

fs.mkdirSync(target);
fs.symlinkSync(target, link);

try {
  fs.mkdirSync(path.join(link, 'subdir'), { recursive: true });
  console.log('target/subdir exists:', fs.existsSync(path.join(target, 'subdir')));
} catch (err) {
  console.log('threw:', err.code);
}