A fast, opinionated test runner for Typescript/Javascript and co.

Usage no npm install needed!

<script type="module">
  import verdant from '';


Verdant (still cooking :cake: dev version)

code style: prettier

An experimental tool building local versioning into Jupyter Lab. Verdant is in active development and we're expecting the initial beta release for everyone to use in September 2018.


  • JupyterLab


For a development install (requires npm version 4 or later), do the following in the repository directory:

npm install
npm run build
jupyter labextension link .

To rebuild the package and the JupyterLab app:

npm run build
jupyter lab build