.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": [
      "./tsconfig.json",
      "./demo/tsconfig.json"
    ]
  },
  "plugins": [
    "react",
    "import",
    "@typescript-eslint"
  ],
  "extends": [
    "airbnb-typescript-prettier",
    "plugin:@typescript-eslint/recommended",
    "prettier/@typescript-eslint"
  ],
  "rules": {
    // "import/no-unused-modules": [1, {"unusedExports": true}],
    "import/prefer-default-export":  "off",
    "import/no-extraneous-dependencies": ["error", {"devDependencies": ["**/*.test.js", "**/*.spec.js", "src/setupTests.ts"]}],
    // don't need this because typescript takes care of it
    "import/no-unresolved": "off",
    // warn instead of error
    "prettier/prettier": "warn",
    // rules that I don't like
    "react/prop-types": "off",
    "react/jsx-props-no-spreading": "off",
    "react/require-default-props": "off",
    "no-plusplus": "off",
    "@typescript-eslint/explicit-module-boundary-types": "off"
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  }
}