Method setReadOnly

lib/internal/vfs/providers/memory.js:212–214

* Sets the provider to read-only mode. * Once set to read-only, the provider cannot be changed back to writable. * This is useful for finalizing a VFS after initial population.

()

   * This is useful for finalizing a VFS after initial population.
   */
  setReadOnly() {
    this[kReadonly] = true;
  }

  get supportsSymlinks() {
    return true;