Invalid URL on redirectToPreviewURL()

[bymoe]

Getting TypeError: Invalid URL on redirectToPreviewURL on the Next.js preview api route.

Versions

• @prismicio/next: ^1.5.0
• next: 13.1.6
• node: 16.14.2

Reproduction

Just following the simplest Next.js documentation to enable previews:
On api/preview.ts:

export default async function handler(
  req: NextApiRequest,
  res: NextApiResponse
) {
  const client = Client({ req });
  setPreviewData({ req, res });
  await redirectToPreviewURL({
    req,
    res,
    client,
    linkResolver: previewLinkResolver,
  });
}

Steps to reproduce

yarn dev then access any preview link. e.g. /api/preview?token=:token1&documentId=:id

What is expected?

redirectToPreviewURL shouldn't error. Afaik latest prismic-next version works fine with Next.js 13

What is actually happening?

Editing the document on Prismic and then clicking the "View" redirects just fine to my local preview route, but redirectToPreviewURL errors with 500 and unable to view anything.

[github-actions]

This issue has been labeled as a bug since it was created using the 🚨 Bug Report Template.

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