.eslintrc.json

{    
  "env": {
    "commonjs": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": ["airbnb"],
  "plugins": ["@typescript-eslint"],
  "parser": "@typescript-eslint/parser",
  "settings": {
    "import/extensions": [".js", ".jsx", ".ts", ".tsx"],
    "import/parsers": {
      "@typescript-eslint/parser": [".ts", ".tsx"]
    },
    "import/resolver": {
      "node": {
        "extensions": [".js", ".jsx", ".ts", ".tsx"]
      }
    }
  },
  "rules": {
    "import/extensions": [
       "error",
       "ignorePackages",
       {
         "js": "never",
         "jsx": "never",
         "ts": "never",
         "tsx": "never"
       }
    ],
    "no-underscore-dangle": "off",
    "import/prefer-default-export": "off",
    "object-curly-newline": "off",
    "max-len": [2, 120]
 }
}