Method _setIsIterator

src/change_stream.ts:888–896

@internal

()

  /** @internal */
  private _setIsIterator(): void {
    if (this.mode === 'emitter') {
      // TODO(NODE-3485): Replace with MongoChangeStreamModeError
      throw new MongoAPIError(
        'ChangeStream cannot be used as an iterator after being used as an EventEmitter'
      );
    }
    this.mode = 'iterator';
  }

  /**
   * Create a new change stream cursor based on self's configuration