astro/tsconfig.base.json

{
  "compilerOptions": {
    "declaration": true,
    "emitDeclarationOnly": true,
    "strict": true,
    "moduleResolution": "node",
    "esModuleInterop": true,
    "skipLibCheck": true,
    "forceConsistentCasingInFileNames": true,
    "importsNotUsedAsValues": "error"
  }
}