At the risk of an extreme facepalm moment given the {obvious danger, code smell, worst practice, etc.} I still feel compelled to ask: don't the languages already supported offer an execution gateway (like the backtick operator or shell_exec() in php) such that an extremely lightweight wrapper would allow this to run your bash scripts?
Well, from the description I gathered the service was going to “TURN (existing) scripts INTO internal tools”. Not “provide a front-end to a framework where you write brand new code to integrate with your business logic”… The first mode seems to add a relatively large amount of value for relatively low effort given the management scripts that already exist. The second seems more like a framework only useful for processes you spend the effort to migrate. Was hoping to see a Rundeck competitor but got an Internal competitor instead?
People who write bash scripts well and people who write nodejs scripts are likely different groups that will want very different things from this service.