storybook/docs/snippets/common/storybook-babel-configuration-example.ts.mdx

```ts
// mithril/src/server/framework-preset-mithril.ts

export function babelDefault(config: TransformOptions) {
  return {
    ...config,
    plugins: [
      ...config.plugins, 
      require.resolve('@babel/plugin-transform-react-jsx')
    ],
  };
}
```