flaschengeist-frontend/tsconfig.json

{
  "extends": "@quasar/app/tsconfig-preset",
  "target": "esnext",
  "compilerOptions": {
    "baseUrl": ".",
    "lib": [
      "es2020",
      "dom"
    ],
    "types": [
      "node",
      "webpack-env",
      "@quasar/app"
    ]
 }
}