• Add Worksheet.addTable, which wraps a cell range in an Excel table with banded rows, per-column autofilter, and a name usable in formulas. Pass the column names through columns; they are written into the header row. The autofilter, bandedRows, bandedColumns and totalRow options toggle the matching table features.

Changelog #

• Move the vendored third-party attributions out of LICENSE into THIRD_PARTY_NOTICES.md, so LICENSE is the plain MIT text that automated license detection recognises. The attributions themselves are unchanged and still ship with the package.

First release. A native .xlsx writer for Dart, binding libxlsxwriter 1.2.2 over FFI, with libxlsxwriter and zlib 1.3.1 vendored and compiled from source at build time (no system dependencies on macOS, Linux, or Windows).

• Workbook and Workbook.constantMemory for in-memory and constant-memory writing, with a NativeFinalizer so a forgotten workbook is freed.
• Worksheet writes: writeString, writeNumber, writeBool, writeFormula, writeDateTime, writeUrl, writeBlank.
• Layout: setColumn, setColumnWidth, setRow, mergeRange, freezePanes.
• Format with bold, italic, underline, fontName, fontSize, fontColor, backgroundColor, numberFormat, align, verticalAlign, textWrap, border, and borderColor.
• libxlsxwriter error codes surfaced as XlsxWriterException with the human-readable message.