@storybook/react/dist/esm/server/options.js

Storybook for React: Develop React Component in isolation with Hot Reloading.

import { sync } from 'read-pkg-up';
export default {
  packageJson: sync({
    cwd: __dirname
  }).packageJson,
  framework: 'react',
  frameworkPresets: [require.resolve('./preset')]
};