React Material-UI Cookbook

How it works...

The easiest way to use the jss extend plugin in your Material-UI application is to use the default JSS plugin presets, which includes jss extend. Material-UI has several JSS plugins installed by default, but jss extend isn't one of them. Let's take a look at the App component in this example to see how this JSS plugin is made available:

const App = ({ children }) => (  <JssProvider    jss={jss}    generateClassName={createGenerateClassName()}  >    <MuiThemeProvider theme={createMuiTheme()}>      {children}    </MuiThemeProvider>  </JssProvider>);

The JssProvider component is how JSS is enabled in Material-UI applications. Normally, you wouldn't have to interface with it directly, but this is necessary when adding a new JSS plugin. The jss property ...