Weird interaction between CJS and ESM for JSON modules

### Acknowledgements - [x] I read the documentation and searched existing issues to avoid duplicates - [x] I understand this is a **bug tracker** and anything other than a proven bug will be closed - [x] I understand this is a free project and relies on community contributions - [x] I read and understood the [Contribution guide](https://github.com/privatenumber/tsx/blob/master/CONTRIBUTING.md) ### Minimal reproduction URL I provided the exact source below; I don't have a StackBlitz to upload it there. ### Problem & expected behavior (under 200 words) Make sure to use `yarn`. `package.lock`: ``` { "name": "example", "version": "1.0.0", "type": "module", "packageManager": "yarn@4.14.1", "dependencies": { "http-errors": "^2.0.1" }, "devDependencies": { "@types/http-errors": "^2", "tsx": "^4.22.3" } } ``` `src/index.ts`: ``` import { errors } from "./errors.js"; errors; ``` `src/errors.ts`: ``` import { isHttpError } from "http-errors"; export const errors = () => { isHttpError; }; ``` Run: - `yarn install` - `yarn tsx src/index.ts` ### Bugs are expected to be fixed by those affected by it - [ ] I'm interested in working on this issue ### Compensating engineering work will speed up resolution and support the project - [ ] I'm willing to offer $10 for financial support