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• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I have searched for related issues and found none that matched my issue.
• I have read the FAQ and my problem is not listed.

Relevant Package

typescript-estree

Playground Link

No response

Repro Code

The logic in getProjectConfigFiles compares the length of parseSettings.filePath (dirname) and parseSettings.tsconfigRootDir to stop looking for the config.

But when tsconfigRootDir is not set in the .eslintrc.js config, they can be totally different paths, for example, depending where VSCode was installed (value used for tsconfigRootDir) for tooling.

Then, it is correct to stop looking for config "only" if the parseSettings.filePath starts with tsconfigRootDir, otherwise just keep looking up to the root.

ESLint Config

module.exports = {
  parser: "@typescript-eslint/parser",
  rules: {
    "@typescript-eslint/<rule-name>": ["error", ...<options>],
  },
  parserOptions: {
    project: true
  }
};

tsconfig

{
  "compilerOptions": {
    // ...
  }
}

Expected Result

The config file should be found.

Actual Result

The config file is not found because it stops prematurely.

Additional Info

No response

Versions