import type { NextApiRequest, NextApiResponse } from 'next'
import type { PageConfig } from 'next/types'

// res.setPreviewData only exists in the nodejs runtime, setting the config here allows changing the global runtime
// option in next.config.mjs without breaking preview mode
export const config: PageConfig = { runtime: 'nodejs' }

export default function exit(
  _req: NextApiRequest,
  res: NextApiResponse<void>
): void {
  // Exit the current user from "Preview Mode".
  res.clearPreviewData()

  // Redirect the user back to the index page.
  res.writeHead(307, { Location: '/' })
  res.end()
}