app/tsconfig.json

{
  // https://nuxtjs.org/concepts/typescript
  "extends": "./.nuxt/tsconfig.json",
  "compilerOptions": {
    "useDefineForClassFields": false,
    "esModuleInterop": true,
    "sourceMap": true,
    "experimentalDecorators": true,
    "types": [
      "@nuxtjs/date-fns",
      "@nuxt/types",
      "@nuxtjs/i18n",
      "vitest/globals"
    ],
    "exclude": ["node_modules", ".nuxt"],
    "typeRoots": ["./types"]
  }
}