The extra rules come from eslint-config-standard-flow.
npm install standard-flow
See Rules
See Usage.
Use this in one of your projects? Include one of these badges in your readme to let people know that your code is using the standard style.
[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](http://standardjs.com)
[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](http://standardjs.com/)