ESLint 9.0: Mandatory parserOptions.project for TypeScript rules
ESLint 9.0: Mandatory parserOptions.project for TypeScript rules Starting with ESLint 9.0, any rule that relies on TypeScript type information (e.g., @typescript-eslint/no-unused-vars ) now throws a configuration error unless parserOptions.project points to a valid tsconfig.json . The change is documented in the 9.0 release notes and is intended to enforce c
eslint