storybook/docs/_snippets/preact-vite-framework-options.md

export default {
  framework: {
    name: '@storybook/preact-vite',
    options: {
      // ...
    },
  },
};

import type { StorybookConfig } from '@storybook/preact-vite';

const config: StorybookConfig = {
  framework: {
    name: '@storybook/preact-vite',
    options: {
      // ...
    },
  },
};

export default config;