sheetjs_sheetjs/docbits/40_interface.md

Interface

XLSX is the exposed variable in the browser and the exported node variable

XLSX.version is the version of the library (added by the build script).

XLSX.SSF is an embedded version of the format library.

Parsing functions

XLSX.read(data, read_opts) attempts to parse data.

XLSX.readFile(filename, read_opts) attempts to read filename and parse.

Parse options are described in the Parsing Options section.

Writing functions

XLSX.write(wb, write_opts) attempts to write the workbook wb

XLSX.writeFile(wb, filename, write_opts) attempts to write wb to filename

XLSX.writeFileAsync(filename, wb, o, cb) attempts to write wb to filename. If o is omitted, the writer will use the third argument as the callback.

XLSX.stream contains a set of streaming write functions.

Write options are described in the Writing Options section.

Utilities

Utilities are available in the XLSX.utils object:

Importing:

• aoa_to_sheet converts an array of arrays of JS data to a worksheet.

Exporting:

• sheet_to_json converts a worksheet object to an array of JSON objects. sheet_to_row_object_array is an alias that will be removed in the future.
• sheet_to_csv generates delimiter-separated-values output.
• sheet_to_formulae generates a list of the formulae (with value fallbacks).

Exporters are described in the Utility Functions section.

Cell and cell address manipulation:

• format_cell generates the text value for a cell (using number formats)
• {en,de}code_{row,col} convert between 0-indexed rows/cols and A1 forms.
• {en,de}code_cell converts cell addresses
• {en,de}code_range converts cell ranges