Preview drafts in Nuxt

// server/api/preview.get.ts
import { createBucketClient } from '@cosmicjs/sdk';

export default defineEventHandler(async (event) => {
  const { slug, preview_token: previewToken } = getQuery(event);
  const cosmic = createBucketClient({
    bucketSlug: process.env.BUCKET_SLUG,
    readKey: process.env.BUCKET_READ_KEY,
    ...(previewToken ? { previewToken: String(previewToken) } : {}),
  });
  return cosmic.objects
    .findOne({ type: 'posts', slug: String(slug) })
    .status('any')
    .props(['title', 'slug', 'metadata']);
});