We have some code (that actually doesn't work, I think?) at https://github.com/jupyter-widgets/ipywidgets/blob/5532c91d892e01731e16dffa54cf34dd2628928a/jupyterlab_widgets/setup.py#L49-L57 (and soon in master after #3086) to detect if we are building jupyterlab_widgets in the repo, to avoid recompiling js files many times.

The updated jlab extension cookiecutter has better code at

https://

Thanks to u/JBarreraGT on reddit. He gave me a source of information that we could use to add static information for games.

http://data.nba.com/data/10s/v2015/json/mobile_teams/nba/2018/league/00_full_schedule.json

This link looks like it contains the full schedule with GameIDs along with additional information.

This means that the default behaviour of falling back to the notebook_template_examples does not work at present.