macOS
Homebrewverified · 100%
brew install jerryscriptlocal Homebrew formula metadata
brew / rank 12612
Install jerryscript with Homebrew, Nix
Ultra-lightweight JavaScript engine for the Internet of Things. Version 3.0.0 via Homebrew; verified 2026-08-02. Also installable with nix: nix profile install nixpkgs#jerryscript.
install
Additional install commands
Linux
Nixverified · 92%
nix profile install nixpkgs#jerryscriptnixpkgs package indexes · pkgs/by-name/je/jerryscript/package.nix · source: api.github.com
overview
Package summary
Ultra-lightweight JavaScript engine for the Internet of Things
Project links
Commands and aliases
- jerry
history
Project history and usage
JerryScript is a lightweight JavaScript engine for constrained Internet of Things devices. The project site and README emphasize microcontroller-class memory budgets, C99 portability, on-device compilation and execution, bytecode snapshots, and an embeddable C API.
Project history
The public GitHub repository dates to 2015. The project presented itself early as a JavaScript engine for devices with less than 64 KB of RAM and less than 200 KB of flash, targeting a niche that mainstream browser and server JavaScript engines did not fit.
JerryScript reached a 1.0 GitHub release in 2016 and continued through the 2.x and 3.x release lines. Later release notes show the project expanding beyond its original ECMAScript 5.1 baseline, while still tracking footprint and conformance as central engineering constraints.
Adoption history
JerryScript gained ecosystem legitimacy by becoming an OpenJS Foundation hosted project. The OpenJS project listing describes it as a fully featured JavaScript engine for IoT devices, and the JerryScript site links it with IoT.js, a related JavaScript platform for IoT applications.
Package-manager adoption through Homebrew and Nix gives developers a straightforward way to build and experiment with the `jerry` command-line engine on workstations, even though the project's natural deployment target is embedded firmware and constrained devices.
How it is used
The repository documents a simple source build with `python tools/build.py`, producing the `jerry` executable. Library users embed the engine through its C API, while the snapshot mechanism allows JavaScript source to be precompiled to bytecode before deployment.
Why package nerds care
JerryScript is interesting to package people because it is not another desktop JavaScript runtime. It packages a tiny embeddable engine whose constraints are closer to firmware than Node.js, making it a useful test case for how package managers expose embedded-runtime tooling to general-purpose developer machines.
Timeline
- 2015: Public GitHub repository created for jerryscript-project/jerryscript.
- 2016: JerryScript 1.0 released on GitHub.
- 2019: JerryScript 2.0 released on GitHub.
- 2024: JerryScript 3.0.0 release notes report broader ECMAScript feature coverage.
Related projects
- JerryScript is related to IoT.js through the project site's Powering IoT.js link and to the OpenJS Foundation project family through OpenJS hosting.
Sources
security posture
Risk level: green
narrow executable package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- narrow executable package without higher-risk signals
Signals
- metadata:no-higher-risk-signals
Install behavior
- No Homebrew bottle metadata was recorded.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
jerry | executable | indexed executable | Discovered from the local executable index. |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-08-03
manager version3.0.0
manager updated2026-08-02
local dataunknown
upstreamnot available
latest detectednot detected
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:jerryscript |
|---|---|
| Version | 3.0.0 |
| Package manager | Homebrew |
| Homepage | https://jerryscript.net |
| Repository | https://github.com/jerryscript-project/jerryscript |
| Last updated | 2026-08-02T01:26:52+09:00 |
| Pulse | updated |
| Bottle | not recorded |
| Service | none declared |
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Nix95%
jerryscript
nix profile install nixpkgs#jerryscript- normalized package name match
- Matched by: Jerryscript
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- pkg.so package database
- pkgdb category and tag curation