[Cloudflare] Error: The 'referrerPolicy' field on 'RequestInitializerDict' is not implemented.

[typeofweb]

Is there an existing issue for this?

• I have checked for existing issues https://github.com/getsentry/sentry-javascript/issues
• I have reviewed the documentation https://docs.sentry.io/
• I am using the latest SDK release https://github.com/getsentry/sentry-javascript/releases

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/nextjs

SDK Version

7.69.0

Framework Version

13.5.4

Link to Sentry event

No response

SDK Setup

No response

Description

When Sentry is used in Next.js on Cloudflare via next-on-pages, an error is thrown:

Error: The 'referrerPolicy' field on 'RequestInitializerDict' is not implemented.

This is due to this line of code:

sentry-javascript/packages/vercel-edge/src/transports/index.ts

Line 86 in 945d873

referrerPolicy: 'origin',

[AbhiPrasad]

Hey @mmiszy. Currently the Next.js SDK only supports Node.js and Vercel Edge runtimes. I would recommend you check out https://github.com/robertcepa/toucan-js for Cloudflare workers runtime support.

[james-elicx]

Hey @mmiszy. Currently the Next.js SDK only supports Node.js and Vercel Edge runtimes. I would recommend you check out robertcepa/toucan-js for Cloudflare workers runtime support.

Hello @AbhiPrasad, couldn't you just use your supportsReferrerPolicy utility here to improve compatibility so that Next.js apps can be deployed to both Vercel and Cloudflare without requiring users have different libraries for each platform?? You yourself actually acknowledged improving support for Cloudflare in #8935 (comment).

I would also note that last month you guys made a change to one of your packages just to improve support for deploying to Cloudflare and using @sentry/nextjs. You can see @lforst's conversation about that with Dario in cloudflare/next-on-pages#420.

This doesn't seem like something that is much of a problem to add a check for.

[lforst]

@james-elicx Cloudflare + Next.js is currently something we do not officially support. We try to make things work in general but not specific to CFPs. We do not check for compatibility and also don't have tests for CFP.

This doesn't seem like something that is much of a problem to add a check for.

PRs are always welcome!

[lforst]

I am starting to wonder if we even need the referrerPolicy field here. I'll try and figure out why it was added 🤔

[AbhiPrasad]

This change was released with https://github.com/getsentry/sentry-javascript/releases/tag/7.74.0!