I'm surprised that `javascript-state-machine`[1] hasn't come up yet as a suggestion. A simple implementation of the bank-account example [2] shows why the patte

I'm surprised that `javascript-state-machine`[1] hasn't come up yet as a suggestion. A simple implementation of the bank-account example [2] shows why the pattern is interesting when the implementation can be declarative. I haven't tried building a nested/hierarchical state-machine with it - mostly because I have been able to decompose my problems into units that didn't need them, but also because hierarchical state machines always give me a head-ache larger than deadline. [1] https://github.com/jakesgordon/javascript-state-machine https://github.com/jakesgordon/javascript-state-machine [2] https://gist.github.com/sramam/fba55f5325a8c398870292e1f3cada05 https://gist.github.com/sramam/fba55f5325a8c398870292e1f3cad...