.eslintrc.json

{
  "extends": [
    "eslint:recommended",
    "next/core-web-vitals",
    "prettier",
    "plugin:testing-library/react"
  ],
  "rules": {
    "no-console": "error",
    "no-alert": "error",
    "import/no-restricted-paths": [
      "error",
      {
        "zones": [
          {
            "target": ["src/server", "src/pages/api"],
            "from": "src/ui",
            "message": "don't import ui specific resources inside the bff layer"
          },
          {
            "target": "src/server/repositories",
            "from": ["src/server/useCases", "src/server/mappers"],
            "message": "don't import bff use case and mapper resources inside repositories folder"
          },
          {
            "target": "src/ui",
            "from": ["src/server", "src/pages"],
            "message": "don't import bff and page resources inside the ui layer"
          },
          {
            "target": "src/models",
            "from": "src/",
            "except": ["lib/", "models/"],
            "message": "don't import any other resources than 3rd party libraries inside the models layer"
          }
        ]
      }
    ]
  },
  "overrides": [
    {
      "extends": ["plugin:@typescript-eslint/recommended"],
      "files": ["**/*.ts", "**/*.tsx"],
      "plugins": ["@typescript-eslint"],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "project": ["tsconfig.json"]
      },
      "rules": {
        "@typescript-eslint/no-implied-eval": "error",
        "@typescript-eslint/no-shadow": "error",
        "@typescript-eslint/no-unnecessary-type-assertion": "error",
        "no-unused-expressions": "off",
        "@typescript-eslint/no-unused-expressions": "warn",
        "no-unused-vars": "off",
        "@typescript-eslint/no-unused-vars": [
          "warn",
          {
            "args": "after-used",
            "ignoreRestSiblings": true
          }
        ],
        "@typescript-eslint/prefer-return-this-type": "error",
        "@typescript-eslint/switch-exhaustiveness-check": "error",
        "testing-library/no-node-access": [
          "error",
          {
            "allowContainerFirstChild": true
          }
        ]
      }
    }
  ]
}