.xo-config.json

{
  "quiet": true,
  "space": true,
  "envs": [
    "browser"
  ],
  "extends": "xo-react",
  "globals": [
    "browser",
    "__features__",
    "__featuresMeta__",
    "__filebasename"
  ],
  "rules": {
    "import/no-unassigned-import": "off",
    "no-alert": "off",
    "no-void": "off",
    "react/jsx-key": "off",
    "unicorn/no-array-callback-reference": "off",
    "@typescript-eslint/no-extra-non-null-assertion": "error",
    "@typescript-eslint/consistent-type-definitions": "error",
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {
        "allowExpressions": true,
        "allowTypedFunctionExpressions": true,
        "allowHigherOrderFunctions": true,
        "allowConciseArrowFunctionExpressionsStartingWithVoid": false
      }
    ],
    "import/first": "error",
    "import/newline-after-import": "error",
    "import/no-commonjs": "error",
    "import/order": [
      "error",
      {
        "groups": [
          [
            "builtin",
            "external"
          ]
        ],
        "newlines-between": "always-and-inside-groups"
      }
    ],
    "import/prefer-default-export": "off",
    "react/function-component-definition": [
      "error",
      {
        "namedComponents": "function-declaration"
      }
    ]
  },
  "settings:comment": "We don't use React, so it can't be automatically detected by the linter",
  "settings": {
    "react": {
      "version": "16.13"
    }
  }
}