undomanager: Manage the History of Any Object with Undo/Redo Operations

Track the history of any R object and move through it with undo and redo operations. Anything can be stored, from a single number to a data frame or an entire application state. A manager can restrict its history to specific classes and cap how many items it keeps, and it can be reactive to integrate with 'Shiny'.

Version: 0.1.0
Depends: R (≥ 4.0.0)
Imports: checkmate, R6
Suggests: testthat (≥ 3.0.0), shiny
Published: 2026-09-12
DOI: 10.32614/CRAN.package.undomanager (may not be active yet)
Author: Dean Attali ORCID iD [aut, cre]
Maintainer: Dean Attali <daattali at gmail.com>
BugReports: https://github.com/daattali/undomanager/issues
License: MIT + file LICENSE
URL: https://github.com/daattali/undomanager
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: undomanager results

Documentation:

Reference manual: undomanager.html , undomanager.pdf

Downloads:

Package source: undomanager_0.1.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): not available, r-oldrel (arm64): undomanager_0.1.0.tgz, r-release (x86_64): not available, r-oldrel (x86_64): not available

Linking:

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