Use the template to create package
pip install cookiecutter
Use cookiecutter to generate a package, following the prompts to fill in the name and authorship of your new JupyterLab extension.
If you'd like to generate a package for a specific JupyterLab release, use the
--checkout option and give a tag or commit from this repository.
cookiecutter https://github.com/jupyterlab/extension-cookiecutter-ts --checkout v0.34
A simple example
src/ directory of your new extension includes a very simple example of a working extension, written in TypeScript. Use this example as a guide to build your own extension.