code-sdk/src/utils/fs.ts

import * as fs from 'fs/promises';
import * as p from 'path';

export const mkdirp = (path: string) => {
  const pathFragments = path.replaceAll('\\', '/').split('/');
  const directoriesToCheck = pathFragments.reduce(
    (theDirectories, fragment, i) => [
      ...theDirectories,
      theDirectories.length > 0 ? p.join(theDirectories[i - 1], fragment) : fragment,
    ],
    [] as string[],
  )

  return Promise.allSettled(directoriesToCheck.map((d) => fs.mkdir(d)));
}