@material-ui/core/es/styles/jssPreset.js

React components that implement Google's Material Design.

import jssGlobal from 'jss-global';
import jssNested from 'jss-nested';
import jssCamelCase from 'jss-camel-case';
import jssDefaultUnit from 'jss-default-unit';
import jssVendorPrefixer from 'jss-vendor-prefixer';
import jssPropsSort from 'jss-props-sort'; // Subset of jss-preset-default with only the plugins the Material-UI components are using.

function jssPreset() {
  return {
    plugins: [jssGlobal(), jssNested(), jssCamelCase(), jssDefaultUnit(), // Disable the vendor prefixer server-side, it does nothing.
    // This way, we can get a performance boost.
    // In the documentation, we are using `autoprefixer` to solve this problem.
    typeof window === 'undefined' ? null : jssVendorPrefixer(), jssPropsSort()]
  };
}

export default jssPreset;