docs/examples/openapi/lib/source.ts

import { loader } from 'fumadocs-core/source';
import { openapiPlugin } from 'fumadocs-openapi/server';
import { docs } from 'fumadocs-mdx:collections/server';

export const source = loader({
  baseUrl: '/docs',
  source: docs.toFumadocsSource(),
  plugins: [openapiPlugin()],
});