francy-widget for Jupyterlab does not work

[Odile Bénassy]

My own francy-widget depends on francy for all javascript and does not work on Jupyterlab: the browser does not seem to find the JS code, there is an error about not finding a file, although I can open the file from that same path.

I've been told that it comes from an incomplete javascript installation of francy.

I'll add more details later.

[Odile Bénassy]

I just started re-writing the jupyter extension installation process, for it seems outdated. Not yet ready though, it needs more testing.
BTW do you mind if do that?

[Manuel Martins]

If you update it and make it work, I’ll be happy to accept a pull request for this ;)

[Odile Bénassy]

Hi Manuel
I've spent some time on this new installation procedure, see https://github.com/zerline/francy/tree/issue%2344/js/packages/francy-extension-jupyter.

• It does the job except for the "vendor" part, for which npm run build:nbextension returns an error

ERROR in ./node_modules/francy-core/index.js
    Module not found: Error: Can't resolve 'seedrandom' in '/home/odile/prj/francy.my/js/packages/francy-extension-jupyter/node_modules/francy-core'
     @ ./node_modules/francy-core/index.js 25:0-51 25:0-51
     @ ./node_modules/francy-renderer-d3/index.js
     @ ./src/lab_extension.js
     @ multi babel-polyfill ./src/lab_extension.js

• I've done my best to upgrade the dependencies list, with a few "fuzzy" decisions ..

Hope it'll help ..

[Manuel Martins]

Removed the jupyter notebook package and will support only JupyterLab.
The code was refactored to align with the latest jupyterlab extension guidelines.