ESLint [Shareable Config](https://eslint.org/docs/developer-guide/shareable-configs) for JavaScript [MDN Style Guide](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide).
npm install eslint-config-mdn
npm install -D eslint-config-mdn
In .eslintrc:
{
"extends": "mdn"
}
For contributors
npm link
npm link eslint-config-mdn