You're looking for https://github.com/kefirjs/kefir
Why do you think that https://github.com/stefano-regosa-deel/pattern-matching-ts is a good alternative to Kefir.js
You're looking for https://github.com/kefirjs/kefir
Why do you think that https://github.com/stefano-regosa-deel/pattern-matching-ts is a good alternative to Kefir.js