The cells belonging to the worksheet that have any data attached.
Typically, these will have only values attached, as external worksheet cells serve purely as inputs to formulas in other sheets.
Name of the worksheet.
OptionalnoIndicates that no <sheetData> element was recorded for this sheet in the source
workbook, even though the sheet appears in <sheetNames>.
undefined (the common case) corresponds to <sheetData sheetId=N>true corresponds to <sheetData> element being missing for this sheet.The distinction matters because <sheetData sheetId="N"/> (empty but present) and
the absence of any <sheetData> element are distinct states under OOXML.
When noSheetData is true, cells is expected to be empty ({}) and
refreshError unset. The jsdoc documents the invariant; the type doesn't enforce it,
and callers setting both risk silently losing cells/refreshError on emit.
OptionalrefreshIndicates that the sheet data could not be refreshed/fetched from the external workbook. In XLSX, this corresponds to the refreshError="1" attribute on sheetData.
A simple container sheet for cell values within an external workbook.