Additional type definitions are ignored

[voxelstack]

Describe the bug

Extra type definitions specified on tsconfig through "compilerOptions": { "types": [...] } are ignored by the type checker.

Reproduction

https://stackblitz.com/edit/vitest-dev-vitest-jbppb2?file=test%2Fbasic.test.ts

System Info

System:
    OS: Linux 6.1 SteamOS
    CPU: (8) x64 AMD Custom APU 0932
    Memory: 1.80 GB / 14.47 GB
    Container: Yes
    Shell: 5.1.16 - /bin/bash
  Binaries:
    Node: 22.1.0 - ~/.nvm/versions/node/v22.1.0/bin/node
    npm: 10.7.0 - ~/.nvm/versions/node/v22.1.0/bin/npm
    pnpm: 9.1.0 - ~/.local/share/pnpm/pnpm
  npmPackages:
    vitest: ^1.6.0 => 1.6.0

Used Package Manager

pnpm

Validations

• [X] Follow our Code of Conduct
• [X] Read the Contributing Guidelines.
• [X] Read the docs.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• [X] Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• [X] The provided reproduction is a minimal reproducible example of the bug.