Can't seem to use ts-jest preset for ESM dependencies

[angrybacon]

It looked like people at #398 had the exact same issue but none of the suggestions worked for me. I have a working TypeScript project that has tests written in TypeScript also.

Today I've tried adding a new feature that depends on mdast-util-toc (a ESM-only dependency) and I can't seem to be able to run those .js files within my test suite. The legacy presets mentioned in the documentation and here don't seem to help either. I must admit that I'm a bit confused about what exactly makes it so complicated to configure.

You can reproduce my issue with this repository: https://github.com/angrybacon/kiwi using the branch :feat--gettoc.

pnpm install
pnpm run test lib/getToc.test.ts