Enhancement: Support `${configDir}` in `tsconfig.json` about typescript-eslint HOT 7 CLOSED

typescript-eslint errors immediately as it can no longer finding any files to lint.

Not that I don't believe you, but reproduction please. 🙂 https://antfu.me/posts/why-reproductions-are-required

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Can't provide a reproduction because Typescript 5.5 is not released yet which is required for this feature.

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Actually, maybe it will work with 5.5.0-dev.20240425 tag.

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Here: https://stackblitz.com/edit/vitejs-vite-qhvz8p?file=package.json

Run npm run lint and observe this error. It triggers because of parserOptions.project:

/home/projects/vitejs-vite-qhvz8p/index.ts
  352:0  error  Parsing error: ESLint was configured to run on `<tsconfigRootDir>/index.ts` using `parserOptions.project`: <tsconfigRootDir>/tsconfig.json
However, that TSConfig does not include this file. Either:
- Change ESLint's list of included files to not include this file
- Change that TSConfig to include this file
- Create a new TSConfig that includes this file and include it in your parserOptions.project
See the typescript-eslint docs for more info: https://typescript-eslint.io/linting/troubleshooting#i-get-errors-telling-me-eslint-was-configured-to-run--however-that-tsconfig-does-not--none-of-those-tsconfigs-include-this-file

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microsoft/TypeScript#58042

This feature will land in TS 5.5
We do not support nightly, beta or RC versions of TS - only official releases.

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Yes, but wouldn't you like to get started now? There's still two months until 5.5 release, so plenty of time to get the feature support ready.

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https://typescript-eslint.io/users/dependency-versions#typescript

We do not support the early releases nor do we accept issues against them. This has been our policy for the entire lifetime of the project.

We also do not seek to build early support either as what is in the nighties and betas can change substantially before even the RC release.

Please be patient.

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