jest-esm-transformer

This is a jest utility that transforms esm files into cjs, so that they can be parsed by Jest.

Getting started

1. yarn add jest-esm-transformer
2. Add this to your jest config, targetting your esm files:

transform: {
   '.js': 'jest-esm-transformer',
}

Credit

All the credit goes to https://github.com/onigoetz