.eslintrc.json

{
  "root": true,
  "env": {
    "browser": true,
    "node": true
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "tsconfig.json",
    "sourceType": "module",
    "ecmaVersion": "latest",
    "ecmaFeatures": {
      "jsx": true,
      "arrowFunctions": true
    }
  },
  "settings": {
    "react": {
      "version": "detect"
    },
    "import/resolver": {
      "typescript": {
        "alwaysTryTypes": true,
        "project": [
          "tsconfig.json",
          "packages/*/tsconfig.json",
          "app/tsconfig.json"
        ]
      }
    }
  },
  "extends": [
    "plugin:import/recommended",
    "plugin:@typescript-eslint/recommended",
    "eslint:recommended",
    "plugin:prettier/recommended",
    "plugin:react/recommended"
  ],
  "plugins": [
    "react",
    "@typescript-eslint",
    "prefer-arrow-functions",
    "@typescript-eslint",
    "import",
    "unused-imports"
  ],
  "rules": {
    "import/no-named-as-default": "off",
    "import/no-named-as-default-member": "off",
    "import/no-unresolved": "error",
    "unused-imports/no-unused-imports": "error",
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        "js": "never",
        "jsx": "never",
        "ts": "never",
        "tsx": "never"
      }
    ],
    "react/jsx-filename-extension": [
      "warn",
      {
        "extensions": [".tsx"]
      }
    ],
    "no-shadow": "off",
    "react/react-in-jsx-scope": "off",
    "@typescript-eslint/no-shadow": ["error"],
    "prefer-arrow-functions/prefer-arrow-functions": [
      "warn",
      {
        "classPropertiesAllowed": false,
        "disallowPrototype": false,
        "returnStyle": "unchanged",
        "singleReturnOnly": false
      }
    ]
  }
}