If you wish to, you can use JSX in your examples. Make sure you set the "jsxInExamples" flag to true in your styleguide.config.js
A first example with a jsx file
Next Dog Name: Bella
You can as well use Single File Components with JSX. This would allow you to style your JSX examples.
Next Dog Name: Bella
A minima, one is supposed to do that
or this
it works with spread too