R Observatory: Metrics for js version 1.2.1

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

js

1.2.1Package record

Tools for Working with JavaScript in R

1packages dependsuggested by 3

47.4Kdownloads / year

–test coverage

13/13flavors OK

Overview

About

Maintained by Jeroen OomsCRAN page ↗GitHub ↗Website ↗Issues ↗

A set of utilities for working with JavaScript syntax in R. Includes tools to parse, tokenize, compile, validate, reformat, optimize and analyze JavaScript code.

Install

R (CRAN)pak (dev)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("js", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("jeroen/js")

Development version from jeroen/js. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-js

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled. We list this channel from recorded r2u download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

bspm (used by r2u) also needs make: sudo apt install make

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-js

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-js

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed). We list this channel from recorded autoCRAN download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

Health

CRAN checks

13OK

CRAN check page ↗

Slowest check: 1.1 min · r-devel-windows-x86_64

Status changes

OK13 OK2026-08-05
NOTE12 OK, 1 NOTE2026-08-01
OK14 OK2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 1.2.1

README· In the repository, left out of the releaseVignettesYes · 1 · dynamicNEWSYes · 100% structuredCitation fileNoWebsiteYes

Help pages: 7
Examples that run: 100%7 run in a plain check
Exported functions with examples: 100%
Documented parameters: 100%
Return-value docs: 14%
Help pages citing references: 29%

Vignettes (1)

Working with JavaScript Syntax in R

How these are measured

Downloads

47.4K

CRAN downloads in the past year

Rank #2,174 · ~130/day · ~4K/mo

Releases R versions

Daily download trend is not available in this view yet.

2.3K30 days

8K90 days

47.4K1 year

Compare downloads with other packages →

Also on117 r2u4 autocran126 c2d4u

How downloads are counted

Repository

jeroen/js ↗Account: jeroen

67Stars

5Forks

1Open issues

0Open PRs

3Releases

56Commits

3Commit identities

56 commits · Last activity 2024-10-03

Responsiveness

How these are sampled

PRs merged (all time): 100%
Median days to close, 50 most recently updated closed issues: 25
Median days to close, 50 most recently updated closed PRs: 0

Stars over time

2024-04-05 · 672026-07-07 · 67

How these are measured

PracticesBeta

3 development-tooling and community-health practices detected across 2 families in the upstream repository

Checks run against github.com/jeroen/js on 2026-10-11.

Continuous integration (2)

Travis CI (config file)AppVeyor

Lint, format, editor (1)

RStudio project

How this is detected·Detection ruleset v3 (2026-09-26)

Dependencies

Declared dependencies

3 external dependencies (excludes base and recommended)

Installing js adds 4 packages (4 with compiled code, 4.1 MB of source tarballs). Heaviest: Rcpp 1.8 MB, jsonlite 1.0 MB, curl 714 KB.

Depends (0)

none

Imports (1)

V8

LinkingTo (0)

none

Suggests (2)

knitr rmarkdown

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

1direct

0indirect

Imports 1

Suggested by 3

Depends, Imports or LinkingTo, most downloaded first

espadon

Suggests, most downloaded first

rgl ChemoSpec exCon

How these are counted

Code & Tests

People & History

People (1)

Jeroen Ooms

Author, Maintainer since 0.1 (2015)

Releases (6)

Pick two releases to compare their code metrics.

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
1.2.1Latest
record
2024-10-04 · current release · diff ↗
R
R 4.4.0 released · 2024-04-24
R
R 4.3.0 released · 2023-04-21
R
R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
1.2
record
2020-06-03 · diff ↗ ·
added 1 export
uglify_files
R
R 4.0.0 released · 2020-04-24
R
R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23
1.1
record
2017-07-28 · diff ↗
1.0
record
2017-07-15 · diff ↗ ·
added 2 exports
esprima_parse, esprima_tokenize
R
R 3.4.0 released · 2017-04-21
R
R 3.3.0 released · 2016-05-03
R
R 3.2.0 released · 2015-04-16

Show 3 earlier eventsHide 3 earlier events

0.2
record
2015-02-24 · diff ↗ ·
added 1 export
coffee_compile
0.1
record
2015-02-15
R
R 3.1.0 released · 2014-04-10

Package metadata

First published: 2015-02-15
Total releases: 6 / 11 yrs
License: MIT + file LICENSE OSI
Download size: 560 KB

Appears in task views

Web Technologies and Services

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("js")

Format

Ooms, J. (2024). js: Tools for Working with JavaScript in R (Version 1.2.1) [Computer software]. https://doi.org/10.32614/CRAN.package.js

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for js version 1.2.1 [Data set]. HJJB, LLC. Data release v2026-10-19. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-19, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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