Was mostly trying to find if there was existing discussion of this I missed, but I guess not! Oddly, I set the title of submission as "Introducing Crank.js" because that's the title of the post, but somehow HN edited it to just "Crank.js"? <shrug>
https://www.reddit.com/r/javascript/comments/g1zj87/crankjs_...
A new frontend framework is typically only merits a yawn, but the occasional one like this which introduces new approaches - generators and async generators - is a breath of fresh air.