Method initialize

src/core/FS.ts:139–144

(rootFS: FileSystem)

  private nextFd = 100;

  public initialize(rootFS: FileSystem): FileSystem {
    if (!(<any> rootFS).constructor.isAvailable()) {
      throw new ApiError(ErrorCode.EINVAL, 'Tried to instantiate BrowserFS with an unavailable file system.');
    }
    return this.root = rootFS;
  }

  /**
   * converts Date or number to a fractional UNIX timestamp