Method maybeReadHeaderLine

tfjs-data/src/datasets/csv_dataset.ts:127–140

()

  }

  private async maybeReadHeaderLine() {
    if (this.hasHeader) {
      const iter = await this.base.iterator();
      const firstElement = await iter.next();
      if (firstElement.done) {
        throw new Error('No data was found for CSV parsing.');
      }
      const firstLine: string = firstElement.value;
      const headers = this.parseRow(firstLine, false);
      return headers;
    } else {
      return null;
    }
  }

  /**
   * Create a `CSVDataset`.