Setting up local jupyterlab development

environment.yaml

name: jlab_test
channels:
  - conda-forge
  - defaults
dependencies:
  - nb_conda_kernels
  - nodejs
  - notebook

setup_conda_env.sh

#!/bin/bash
conda env update
# assuming `environment.yml` is next to this file
source activate jlab_test 
# should see nb_conda_kernels
jupyter serverextension list
if [ ! -d "jupyterlab" ]; then
  git clone https://github.com/jupyterlab/jupyterlab.git
fi
cd jupyterlab
pip install -e .
jupyter serverextension enable --py --sys-prefix jupyterlab
# should see both
jupyter serverextension list