unclear use case imo - this sacrifices the ergonomics of actual bash scripting, and hides it behind another language
If your script is complex enough to need a higher level language you might as well just switch to python
If your script is complex enough to need a higher level language you might as well just switch to python
As said there are use cases where you want to use only bash because you can't install scripting languages with their dependences as example.
As usual there is a tool for any user cases and Amber resolves some of them :-)