docs/source.config.ts

import { defineConfig, defineDocs, frontmatterSchema, metaSchema } from 'fumadocs-mdx/config';

// You can customise Zod schemas for frontmatter and `meta.json` here
// see https://fumadocs.dev/docs/mdx/collections
export const docs = defineDocs({
  dir: 'content/docs',
  docs: {
    schema: frontmatterSchema,
    postprocess: {
      includeProcessedMarkdown: true,
    },
  },
  meta: {
    schema: metaSchema,
  },
});

export default defineConfig({
  mdxOptions: {
    // MDX options
  },
});