atom-react-instyle package
Most likely you want an alternative
This plugin is not meant to be of interest to all users, but if you find a use in it, by all means use it.
Alternative
For a more generic implementation please use TOP-Chao's implementation of atom-react-native-css
Purpose
This plugin allows conversion of CSS/SCSS/SASS to React Native compatible StyleSheet objects or javascript plain objects for usage with React.