Contributing
December 10, 2025 ยท View on GitHub
This page contains the contributing guidelines.
Setup
Prerequisites
Install Node.js. The version specified in .nvmrc is guaranteed to work, but newer versions will likely work too.
Install Yarn: npm i -g yarn
Note that the doc site (under the docs folder) has a newer version of Node, with a separate installation and build commands.
Project setup
Fork the just repo from https://github.com/microsoft/just, then clone your fork.
git clone <your-clone-url>
cd just
Local development
Install and build
$ yarn
$ yarn build
Run and test
To run this with Node:
$ yarn start
To run tests and/or lint:
$ yarn test
$ yarn lint
Before making a PR
After committing your changes, you'll need to create a Beachball change file. From the repo root, run:
$ yarn change