preview
Handle preview mode for resources.
await drupal.preview(request, response, options?: {  errorMessages?: {    secret,    slug,  }}): Promise<void>request: NextApiRequest- Required
 - The 
requestfrom an API route. 
response: NextApiResponse- Required
 - The 
responsefrom an API route. 
options- Optional
 errorMessages:secret: The error message to display for an invalid secret.slug: The error message to display for an invalid slug.
Notes
- The 
previewmethod should be called in an API route. - Remember to set a 
previewSecreton the client. 
lib/drupal.ts
export const drupal = new DrupalClient(  process.env.NEXT_PUBLIC_DRUPAL_BASE_URL,  {    previewSecret: process.env.DRUPAL_PREVIEW_SECRET,  })Examples
pages/api/preview.ts
import { drupal } from "lib/drupal"
export default async function handler(req, res) {  return await drupal.preview(req, res)}