Deriving babel.json

Is there a way to determine what babel settings are being used by meteor, or get their approximation so that you could use tools that require it like testers or lettings the code be build without installing meteor.

Yes, the babel settings are generated by the code here:

Unless you’re running an old Meteor, it’s very likely short circuiting to getDefaultsForNode8

Unfortunately it’s not a simple json file since it needs to handle differential compilation for old node, new node, old browsers and new browsers, maybe React, maybe Typescript, and adding Fibers support to async/await :scream: