CHANGELOG

This log is intended to keep track of backwards-incompatible changes, including but not limited to API changes and file location changes. Minor behavioral changes may not be included if they are not expected to break existing code.

v0.20.0

• Use UTC interpretation of Date objects for date cells (potentially breaking)
• API functions support UTC and local time value interpretations
• Export NaN values to #NUM! and infinite values to #DIV/0!

v0.19.3

• XLSX Ensure comment address is valid (h/t @slonser)
• Enforce Excel worksheet name restrictions
• Fixed "Prototype Pollution" vulnerability (CVE-2023-30533)

v0.19.2

• XLSX proper decoding of hyperlinks (h/t @tw-yaxu)
• XLSX ignore unexpected attributes in rich text (h/t @colin4)
• sheet_to_json type fix (h/t @chsdwn)

v0.19.1

• Fixed types issue in strict mode (h/t @younes-io)
• Numbers 12.2 parsing skip ActivityStream.iwa

v0.19.0

• XLSX export hyperlinks compatible with google sheets (h/t Evan Bovie)
• NUMBERS export multiple sheets, full worksheet range
• formalized dense mode

v0.18.12

• package.json added types in exports structure
• uncapped NUMBERS single-sheet single-table export
• DBF export records using supported codepages

v0.18.11

• Base64 input ignore data URI wrapper
• Parse ZIP files that use ZIP64 extended information field
• More precise handling of time-only values
• Threaded Comment fallback text for older Excel

v0.18.10

• exports field in package.json to satiate ViteJS and newer tooling
• JSC (Safari / Bun) perf, see https://bugs.webkit.org/show_bug.cgi?id=243148
• workbook bookType property to denote the origin format when parsed from file
• XLSX force export of stub cells with number formats when sheetStubs is set

v0.18.9

• XLSX / ODS write defined names
• sync defined names to AutoFilter setting on export
• 1904 date system setting properly roundtripped
• ODS read/write number formats

v0.18.8

• Plaintext parsing of dateless meridien time values (1:23:45 PM)
• Legacy format (SYLK / WK# / Multiplan) minutiae

v0.18.7

• Normalized handling of \r and \n newline characters

v0.18.6

• Removed all npm dependencies
• Auto-correct bad Google Sheets format d.m
• NUMBERS write merge cells, cells up to column "ALL"

v0.18.5

• Enabled sideEffects: false in package.json
• Basic NUMBERS write support

v0.18.4

• CSV output omits trailing record separator
• Properly terminate NodeJS Streams
• DBF preserve column types on import and use when applicable on export

v0.18.3

• Removed references to require and process in browser builds

v0.18.2

• Hotfix for unicode processing of XLSX exports

v0.18.1

• Removed Node ESM build script and folded into standard ESM build
• Removed undocumented aliases including make_formulae and get_formulae

v0.18.0

• Browser scripts only expose XLSX variable
• Module no longer ships with dist/jszip.js browser script

v0.17.4

• CLI script moved to xlsx-cli package

v0.17.3

• window.XLSX explicit assignment to satiate LWC
• CSV Proper formatting of errors
• HTML emit data-* attributes

v0.17.2

• Browser and Node optional ESM support
• DSV correct handling of bare quotes (h/t @bgamrat)

v0.17.1

• XLSB writer uses short cell form when viable

0.17.0:

• mini build includes ODS parse/write support
• DBF explicitly cap worksheet to 1<<20 rows
• XLS throw errors on truncated records

v0.16.2

• Disabled PRN parsing by default (better support for CSV without delimeters)

v0.16.1

• skip empty custom property tags if data is absent (fixes DocSecurity issue)
• HTML output add raw value, type, number format
• DOM parse look for v / t / z attributes when determining value
• double quotes in properties escaped using _x0022_
• changed AMD structure for NetSuite and other RequireJS implementations

• encode_cell and decode_cell do not rely on encode_col / decode_col

v0.16.0

• Date handling changed
• XLML certain tag tests are now case insensitive
• Fixed potentially vulnerable regular expressions

v0.15.6

• CFB prevent infinite loop
• ODS empty cells marked as stub (type "z")
• cellStyles option implies sheetStubs

v0.15.5

• sheets parse option to specify which sheets to parse

v0.15.4

• AOA utilities properly preserve number formats
• Number formats captured in stub cells

v0.15.3

• Properties and Custom Properties properly XML-encoded

v0.15.2

• sheet_get_cell utility function
• sheet_to_json explicitly support null as alias for default behavior
• encode_col throw on negative column index
• HTML properly handle whitespace around tags in a run
• HTML use id option on write
• Files starting with 0x09 followed by a display character are now TSV files
• XLS parse references col/row indices mod by the correct number for BIFF ver
• XLSX comments moved to avoid overlapping cell
• XLSB outline level
• AutoFilter update _FilterDatabase defined name on write
• XLML skip CDATA blocks

v0.15.1 (2019-08-14)

• XLSX ignore XML artifacts
• HTML capture and persist merges

v0.15.0

• dist/xlsx.mini.min.js mini build with XLSX read/write and some utilities
• Removed legacy conversion utility functions

v0.14.5

• XLS PtgNameX lookup
• XLS always create stub cells for blank cells with comments

v0.14.4

• Better treatment of skipHidden in CSV output
• Ignore CLSID in XLS
• SYLK 7-bit character encoding
• SYLK and DBF codepage support

v0.14.3

• Proper shifting of addresses in Shared Formulae

v0.14.2

• Proper XML encoding of comments

v0.14.1

• raw cell objects can be passed to sheet_add_aoa
• _FilterDatabase fix for AutoFilter-related crashes
• stream.to_json doesn't end up accidentally scanning to max row

0.14.0 (2018-09-06)

• sheet_to_json default flipped to raw: true

0.13.5 (2018-08-25)

• HTML output generates <br/> instead of encoded newline character

0.13.2 (2018-07-08)

• Buffer.from shim replaced, will not be defined in node <=0.12

0.13.0 (2018-06-01)

• Library reshaped to support AMD out of the box

0.12.11 (2018-04-27)

• XLS/XLSX/XLSB range truncation (errors in WTF mode)

0.12.4 (2018-03-04)

• JSZip renamed to JSZipSync

0.12.0 (2018-02-08)

• Extendscript target script in NPM package

0.11.19 (2018-02-03)

• Error on empty workbook

0.11.16 (2017-12-30)

• XLS ANSI/CP separation
• 'array' write type and ArrayBuffer processing

0.11.6 (2017-10-16)

• Semicolon-delimited files are detected

0.11.5 (2017-09-30)

• Bower main script shifted to full version
• 'binary' / 'string' encoding

0.11.3 (2017-08-19)

• XLS cell ixfe/XF removed

0.11.0 (2017-07-31)

• Strip require statements from minified version
• minifier mangler enabled

0.10.9 (2017-07-28)

• XLML/HTML resolution logic looks further into the data stream to decide type
• Errors thrown on suspected RTF files

0.10.5 (2017-06-09)

• HTML Table output header/footer should not include <table> tag

0.10.2 (2017-05-16)

• Dates are converted to numbers by default (set cellDates:true to emit Dates)
• Module does not export CFB

0.9.10 (2017-04-08)

• --perf renamed to --read-only

0.9.9 (2017-04-03)

• default output format changed to XLSB
• comment text line endings are now normalized
• errors thrown on write when worksheets have invalid names

0.9.7 (2017-03-28)

• XLS legacy !range field removed
• Hyperlink tooltip is stored in the Tooltip field

0.9.6 (2017-03-25)

• sheet_to_json now passes null values when raw is set to true
• sheet_to_json treats null stub cells as values in conjunction with raw

0.9.5 (2017-03-22)

• cellDates affects parsing in non-XLSX formats

0.9.3 (2017-03-15)

• XLML property names are more closely mapped to the XLSX equivalent
• Stub cells are now cell type z

0.9.2 (2017-03-13)

• Removed stale TypeScript definition files. Flowtype comments are used in the xlsx.flow.js source and stripped to produce xlsx.js.
• sed usage reworked to support GNU sed in-place form. BSD sed seems to work, but the build script has not been tested on other sed variants:

$ sed -i.ext  [...] # GNU
$ sed -i .ext [...] # bsd

0.9.0 (2017-03-09)

• Removed ods.js source. The xlsx.js source absorbed the ODS logic and exposes the ODS variable, so projects should remove references to ods.js