Method readdirDeep

src/models/FileSystem.js:247–258

* Return a flat list of all the files nested inside a directory * * Based on an elegant concurrent recursive solution from SO * https://stackoverflow.com/a/45130990/2168416 * * @param {string} dir - The directory to read. * @returns {Promise } - A flat list of all files in

(dir)

   * @returns {Promise<string[]>} - A flat list of all files in the directory.
   */
  async readdirDeep(dir) {
    const subdirs = await this._readdir(dir)
    const files = await Promise.all(
      subdirs.map(async subdir => {
        const res = dir + '/' + subdir
        return (await this._stat(res)).isDirectory()
          ? this.readdirDeep(res)
          : res
      })
    )
    return files.reduce((a, f) => a.concat(f), [])
  }

  /**
   * Return the Stats of a file/symlink if it exists, otherwise returns null.