.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true,
    "jest/globals": true
  },
  "extends": [
    "airbnb-base",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:import/typescript"
  ],
  "settings": {
    "import/extensions": [".js", ".jsx", ".ts", ".tsx"],
    "import/parsers": {
      "@typescript-eslint/parser": [".ts", ".tsx"]
    },
    "import/resolver": {
      "typescript": {},
      "node": {
        "extensions": [".js", ".jsx", ".ts", ".tsx"]
      }
    }
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module",
    "project": "./tsconfig.json",
    "tsconfigRootDir": "./"
  },
  "plugins": ["@typescript-eslint", "import", "jest"],
  "rules": {
    "import/extensions": [
      // airbnb eslint config leads the problem
      "error",
      "ignorePackages",
      {
        "js": "never",
        "jsx": "never",
        "ts": "never",
        "tsx": "never"
      }
    ],
    "no-shadow": "off",
    "@typescript-eslint/no-shadow": ["error"],
    "jest/no-disabled-tests": "warn",
    "jest/no-focused-tests": "error",
    "jest/no-identical-title": "error",
    "jest/prefer-to-have-length": "warn",
    "jest/valid-expect": "error",
    "no-underscore-dangle": ["error", { "allow": ["_id", "_json"] }],
    "@typescript-eslint/no-misused-promises": [
      "error",
      {
        "checksVoidReturn": false
      }
    ]
  }
}