Bundling error with serverless-bundle

[ryok90]

Hey there!
I stumbled across an error that I am not sure if the problem lies here or on serverless-bundle repository.
The thing is that I am trying to setup up a serverless project with minimum configuration since I lack the deep knowledge to set up a packaging workflow properly.

I have this repository already set up to reproduce the issue.
When trying to package a project using TypeDORM, the bundling returns the following error.

After following this error around and also checking out the examples here on how to bundle with webpack, I've managed to fix it with a temporary workaround: changing a rule for a loader directly on the webpack file of the serverless-bundle dependency (I know, not ideal but I am trying to get to the root of the problem).

Alright, bundling working with the manual fix but something else broke: the sourcemap.
It now points directly to the TypeDORM package and I really don't know where else to go.

One thing that I notice is that the imports from the ESM modules on the dependencies of TypeDORM are not fully specified but as the package type is module, this should be, shouldn't it?

Granted, I know very little about this side of the business and I am just trying to get a better understanding of the problem and even help if possible.

I am very close to dropping everything with serverless-bundle and just try and setup everything from scratch.

Any help or guidance will be greatly appreciated.

[blade2005]

webpack needs '.mjs' as part of the resolve.extensions