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lt: Lightweight Tables via JSON Specs and JavaScript

A lightweight grammar of tables. Build a table by declaring a JSON spec (titles, spanners, row groups, footnotes, formatting functions, etc.); a tiny vanilla JavaScript runtime builds the HTML table from the spec on page load. No 'sass', no 'V8', no 'htmlwidgets' — just base R and 'xfun' ('htmltools' is used only for the optional Shiny binding).

Version: 0.2
Depends: R (≥ 4.1.0)
Imports: xfun (≥ 0.60)
Suggests: htmltools, knitr, litedown, magick, repr, shiny, testit
Published: 2026-07-09
DOI: 10.32614/CRAN.package.lt
Author: Yihui Xie ORCID iD [aut, cre, cph] (URL: https://yihui.org)
Maintainer: Yihui Xie <xie at yihui.name>
BugReports: https://github.com/yihui/lt/issues
License: MIT + file LICENSE
URL: https://github.com/yihui/lt
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: lt results

Documentation:

Reference manual: lt.html , lt.pdf

Downloads:

Package source: lt_0.2.tar.gz
Windows binaries: r-devel: lt_0.2.zip, r-release: lt_0.2.zip, r-oldrel: lt_0.2.zip
macOS binaries: r-release (arm64): lt_0.2.tgz, r-oldrel (arm64): lt_0.2.tgz, r-release (x86_64): lt_0.2.tgz, r-oldrel (x86_64): lt_0.2.tgz
Old sources: lt archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=lt to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.