News

The Ruby2JS Story: A Decade of Transpilation

From ES5 workarounds to self-hosting—how an open source project evolved through multiple maintainers over eleven years. Sam Ruby on December 14, 2025

Ruby2JS 5.1, esbuild, and a Peek at the Future

Improving the quality of our developer experience while ensuring future maintainability and health of the project. Jared White on February 20, 2023

Register

Just like @babel/register, but for Ruby2JS! Sam Ruby on March 22, 2021

New Stimulus Design Pattern?

Editors, Options, and Results, oh my! Sam Ruby on February 24, 2021

New live demo

Runs in your browser; based on Opal Sam Ruby on January 19, 2021

React filter documentation has landed!

This filter does so much more than transpiling Ruby syntax into JavaScript. It also integrates other syntaxes and reduces the need to code repetitive boilerplate/administrativia. Sam Ruby on January 6, 2021

Welcome to the New Ruby2JS Website

Here it is! The brand new Ruby2JS documentation site. Jared White on December 29, 2020