.eslintrc.json

{
  "root": true,
  "plugins": [
    "testing-library",
    "prettier"
  ],
  "extends": [
    "prettier",
    "eslint:recommended",
    "next/core-web-vitals"
  ],
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "project": "./tsconfig.json"
  },
  "settings": {
    "react": {
      "version": "detect"
    },
    "import/parsers": {
      "@typescript-eslint/parser": [
        ".ts",
        ".tsx"
      ]
    },
    "import/resolver": {
      "typescript": {
        "alwaysTryTypes": true,
        "project": "./tsconfig.json"
      }
    }
  },
  "env": {
    "jest": true
  },
  "overrides": [
    {
      "files": [
        "**/__tests__/**/*.[jt]s?(x)",
        "**/?(*.)+(spec|test).[jt]s?(x)"
      ],
      "extends": [
        "plugin:testing-library/react"
      ]
    }
  ],
  "rules": {
    "prettier/prettier": "error",
    "import/order": [
      "error",
      {
        "newlines-between": "always",
        "pathGroups": [
          {
            "pattern": "(react|next/)**",
            "group": "builtin",
            "position": "before"
          }
        ],
        "groups": [
          [
            "builtin",
            "external"
          ],
          [
            "internal",
            "parent",
            "index"
          ],
          [
            "object",
            "type",
            "sibling"
          ]
        ],
        "pathGroupsExcludedImportTypes": []
      }
    ]
  }
}