.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": ["./tsconfig.json", "./demo/tsconfig.json"]
  },
  "plugins": [
    "react",
    "import",
    "@typescript-eslint",
    "prettier"
  ],
  "extends": [
    "react-app",
    "eslint:recommended",
    "plugin:react/recommended",
    "airbnb-typescript",
    // prettier must be last to avoid conflicts with "operator-linebreak", "no-confusing-arrow", "implicit-arrow-linebreak", etc.
    "prettier"
  ],
  "rules": {
    "import/no-cycle": "warn",
    "import/no-unresolved": "off",
    "import/prefer-default-export": "off",
    "react/prop-types": "off",
    "react/require-default-props": "off",
    "react/jsx-props-no-spreading": "off",
    "react/react-in-jsx-scope": "off",
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": "warn",
    "no-undef": "off",
    "no-plusplus": "off",
    "import/no-extraneous-dependencies": ["error", {"devDependencies": ["**/*.stories.tsx", "**/*.test.ts", "**/*.test.tsx", "**/__tests__/*"]}],
    // downgrade errors too warnings
    "prettier/prettier": "warn",
    "jsx-a11y/click-events-have-key-events": "warn",
    "jsx-a11y/no-noninteractive-element-interactions": "warn",
    "jsx-a11y/no-static-element-interactions": "warn"
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  }
}