Sankey Chart no longer available

[Deaniebean]

Thank you for providing the Sankey Chart library.
It seems to no longer be available, will this chart type be published again in the future?

[exterm]

It looks like there was a recent release on npm, but the code doesn't seem to be open source (no repo?) and I can't find a changelog either.

@junedchhipa can you provide context on this?