storybook/docs/_snippets/csf-factories-preview-example.md

// Replace your-framework with the framework you are using (e.g., react-vite, nextjs, experimental-nextjs-vite)
import { definePreview } from '@storybook/your-framework';
import addonA11y from '@storybook/addon-a11y';

export default definePreview({
  // 👇 Add your addons here
  addons: [addonA11y()],
  parameters: {
    // type-safe!
    a11y: {
      options: { xpath: true },
    },
  },
});