Function downloadAll

frontend/src/react/components/DataExportButton.tsx:161–171

(
  contents: DownloadContent[],
  format: ExportFormat
)

};

const downloadAll = async (
  contents: DownloadContent[],
  format: ExportFormat
) => {
  if (contents.length === 0) return;
  if (contents.length === 1) {
    downloadSingle(contents[0], format);
    return;
  }
  await downloadZip(contents, format);
};

/**
 * React port of `frontend/src/components/DataExportButton.vue`.