jest esm transformer 2
https://github.com/ActuallyACat/jest-esm-transformer for jest 28 and later version (https://jestjs.io/docs/upgrading-to-jest28#transformer)
Getting started
- npm install jest-esm-transformer-2
- Add this to your jest config, targetting your esm files:
transform: {
'.js': 'jest-esm-transformer-2',
}