.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": [
    "next/core-web-vitals",
    "next",
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint",
    "prefer-arrow",
    "eslint-plugin-import-helpers",
    "prettier"
  ],
  "rules": {
    "prettier/prettier": "warn",
    "@typescript-eslint/consistent-type-imports": "error",
    "@typescript-eslint/no-unused-vars": "error",
    "prefer-arrow/prefer-arrow-functions": [
      "error",
      {
        "disallowPrototype": true,
        "singleReturnOnly": false,
        "classPropertiesAllowed": false
      }
    ],
    "prefer-arrow-callback": [
      "error",
      {
        "allowNamedFunctions": true
      }
    ],
    "func-style": [
      "error",
      "expression",
      {
        "allowArrowFunctions": true
      }
    ],
    "import-helpers/order-imports": [
      "warn",
      {
        "newlinesBetween": "always",
        "groups": [
          "/^react/",
          "/^next|@next/",
          "/^@testing|vitest/",
          "module",
          "/^components/",
          "/^hooks/",
          "/^lib/",
          "/^services/",
          "/^utils/",
          ["parent", "sibling", "index"]
        ],
        "alphabetize": {
          "order": "asc",
          "ignoreCase": true
        }
      }
    ]
  }
}