Function hasNext

src/cursor/abstract_cursor.ts:527–551

()

  }

  async hasNext(): Promise<boolean> {
    this.signal?.throwIfAborted();

    if (this.cursorId === Long.ZERO) {
      return false;
    }

    if (this.cursorOptions.timeoutMode === CursorTimeoutMode.ITERATION && this.cursorId != null) {
      this.timeoutContext?.refresh();
    }
    try {
      do {
        if ((this.documents?.length ?? 0) !== 0) {
          return true;
        }
        await this.fetchBatch();
      } while (!this.isDead || (this.documents?.length ?? 0) !== 0);
    } finally {
      if (this.cursorOptions.timeoutMode === CursorTimeoutMode.ITERATION) {
        this.timeoutContext?.clear();
      }
    }

    return false;
  }

  /** Get the next available document from the cursor, returns null if no more documents are available. */
  async next(): Promise<TSchema | null> {