Combining cypress (e2e) coverage with vitest v8 coverage

[ydennisy]

I have been able to successfully use vitest for integration testing of a node server, by calling the API endpoints using supertest. Additionally I am able to generate a code coverage report, all of which is great!

The full application is being tested from the UI by cypress, where I am also able to generate coverage reporting using a cypress plugin.

The issue I am having is to generate coverage for the backend when running the e2e tests from cypress, using the cypress native plugin fails as we are using ESM modules for the server, which is why vite works so well.

So my question is - how could I instrument the backend to generate code coverage reporting when running the cypress e2e tests? Is it possible to run the server application with vite/vitest?