alii

alii / arc

Public

(Highly experimental) JavaScript on the BEAM

15
2
100% credibility
Found Feb 24, 2026 at 10 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Gleam
AI Summary

Arc is a highly experimental project bringing JavaScript to the BEAM virtual machine for enhanced reliability and concurrency.

How It Works

1
🔍 Discover Arc

You stumble upon Arc, a fun and experimental project that lets JavaScript run on a super-reliable platform built for handling huge loads smoothly.

2
📖 Explore the idea

You read the welcoming guide and get excited about its promise, complete with checks to show it acts like everyday JavaScript.

3
🧪 Try the tests

You easily launch the built-in tests and watch as they confirm it matches real JavaScript standards.

4
📊 Check the results

Colorful charts appear showing impressive alignment with official JavaScript rules.

5
✨ Begin your experiments

With everything verified, you start playing with JavaScript in this stable new world.

✅ JavaScript unlocked

Your code now thrives on a foundation designed for reliability and massive scale—adventure awaits!

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Star Growth

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AI-Generated Review

What is arc?

Arc runs JavaScript code natively on the BEAM VM, the runtime behind Erlang and Elixir. Written in Gleam, it exposes core BEAM primitives like process spawning, message passing, and receiving directly in JS, so you get actor-model concurrency without leaving JavaScript. Developers test it via simple CLI commands like `gleam test` or the full Test262 suite for ECMAScript conformance, including parser checks and JSON result exports.

Why is it gaining traction?

It bridges JS's vast ecosystem with BEAM's unbeatable concurrency and distribution, unlike Node.js runtimes that choke on massive parallelism. Early adopters hook into this for fault-tolerant apps, with Test262 charts showing solid parse conformance out of the gate. The Gleam foundation means clean builds targeting Erlang, appealing to those eyeing BEAM integrations like Kubernetes or GitHub Actions.

Who should use this?

JS developers building high-concurrency services, like real-time chat or distributed queues, who want BEAM reliability without switching languages. Elixir teams needing quick JS interop for legacy scripts or npm packages. Experimental tinkerers testing BEAM for game servers or live data pipelines.

Verdict

Skip for production—1.0% credibility score, 10 stars, and highly experimental status mean sparse docs and unproven scale. But track arc's GitHub for updates; it's a clever niche play if Test262 coverage climbs.

(178 words)

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