It looks like it was composed as tool for tiny javascript challenge: https://phoboslab.org/log/2021/09/q1k3-making-of https://phoboslab.org/log/2021/09/q1k3-mak

It looks like it was composed as tool for tiny javascript challenge: https://phoboslab.org/log/2021/09/q1k3-making-of https://phoboslab.org/log/2021/09/q1k3-making-of . Could not get the examples to work however.