x > 0 ? 'positive' : x < 0 ? 'negative' : 'zero'
match x { 0 => 'zero', x if x > 0 => 'positive', x if x < 0 => 'negative', }
It's published on npm and everything. It's small, a bit unpolished, maybe needs more docs, but it works pretty damn well if you ask me!
https://gitlab.com/svartkonst/match