JupyterLab extension for SoS workflow engine and polyglot notebook

Progress

Already Working:

03/20/2018 SoS file type (.sos) and syntax highlighting (edit a .sos file in JupyterLab)
04/03/2018 SoS Notebook UIs. SoS Notebooks can be properly displayed with notebook and cell level language selector
04/04/2018 Events, namely effects of language dropdown and frontend message.

Working on:

jupyter labextension install jupyterlab-sos

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