guest-challenge
Didn't really do unit tests, mostly hacked together things on a playground, but you can ask me what type of testing I would do I will have the answers to that
Use Promises Library because I have a hate for nested callback code. Should have used await Promise in some places.
Solves the Path Problem using DIKSTRAS Algorithm Using a: Adajcency List Priority Queue
A bunch of things could have been implemented better. The UI Code could be a MVVM based React Like Architecture, using statecontainers, isolating business logic away.