.eslintrc

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "plugins": [
    "@typescript-eslint"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "airbnb"
  ],
  "settings": {
    "import/extensions": [".js",".ts"],
    "import/parsers": {
      "@typescript-eslint/parser": [".ts"]
    },
    "import/resolver": {
      "node": {
        "extensions": [".js",".ts"]
      }
    }
  },
  "rules": {
    "import/extensions": [
      "error",
      "ignorePackages",
      {
        "js": "never",
        "ts": "never"
      }
    ]
  },
  "overrides": [
    {
      "files": [
        "**/test/**/*.ts"
      ],
      "env": {
        "jest": true
      }
    }
  ]
}