.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "extends": [
    "airbnb",
    "plugin:@typescript-eslint/recommended",
    "plugin:import/typescript",
    "plugin:@typescript-eslint/strict",
    "plugin:react/recommended",
    "plugin:react-hooks/recommended",
    "prettier",
    "prettier/prettier"
  ],
  "settings": {
    "import/resolver": {
      "typescript": {
        "project": "./tsconfig.json"
      }
    },
    "react": {
      "version": "detect"
    }
  },
  "plugins": ["@typescript-eslint"],
  "env": {
    "browser": true,
    "jest": true,
    "node": true
  },
  "rules": {
    "react/jsx-filename-extension": [
      2,
      { "extensions": [".js", ".jsx", ".ts", ".tsx"] }
    ],
    "@typescript-eslint/no-use-before-define": [
      "error",
      {
        "functions": false
      }
    ],
    "import/no-unresolved": ["error"],
    "import/order": [
      "error",
      {
        "groups": [
          ["builtin", "external", "internal"],
          "parent",
          "sibling",
          "index"
        ],
        "alphabetize": {
          "order": "asc"
        }
      }
    ],
    "import/prefer-default-export": "off",
    "react/jsx-props-no-spreading": "off",
    "class-methods-use-this": "off",
    "react/react-in-jsx-scope": "off",
    "import/extensions": "off",
    "no-unsafe-finally": "off",
    "@typescript-eslint/no-unused-vars": [
      "error",
      { "argsIgnorePattern": "^_$" }
    ],
    "no-underscore-dangle": [
      "error",
      {
        "allow": ["key", "_type", "_rev", "_id"]
      }
    ],
    "no-use-before-define": "off",
    "react/require-default-props": "off",
    "@typescript-eslint/ban-types": "off",
    "no-case-declarations": "error",
    "import/no-extraneous-dependencies": "off"
  },
  "overrides": [
    {
      "files": ["**/*.js"],
      "rules": {
        "@typescript-eslint/no-var-requires": "off",
        "global-require": "off",
        "import/no-dynamic-require": "off",
        "no-console": "off"
      }
    },
    {
      "files": ["./apps/frontend/src"],
      "settings": {
        "next": {
          "rootDir": "./apps/frontend/src"
        }
      },
      "extends": ["plugin:@next/next/recommended"]
    }
  ]
}