Docs: i18n doc needs to be updated for to use with url absolute & nextUrl clone

[santyas]

What is the improvement or update you wish to see?

i18n: docs example is deprecated:
at _middleware: https://nextjs.org/docs/advanced-features/i18n-routing#prefixing-the-default-locale

Now with 12.1, nextjs suggest to use clone() of nextUrl and replace relative URLs by absolute.

"URLs is malformed. Please use only absolute URLs"
https://nextjs.org/docs/messages/middleware-relative-urls

Is there any context that might help us understand?

Can't use Nextjs example code at docs with url relatives:

const res = redirect(`/${ localeOrGeoCookie }${ nextUrl.pathname }`) // without clone it

I think to use clone will help:

const url = request.nextUrl.clone()
const res = NextResponse.redirect( `${url.origin}/${localeOrGeoCookie}` )
res.cookie('GEO_COUNTRY', country) // optional, I need to store geo country name
return res

Does the docs page already exist? Please link to it.

https://nextjs.org/docs/advanced-features/i18n-routing#prefixing-the-default-locale

[kristojorg]

The docs still need to mention nextUrl.clone() and describe when it should be used. I am pretty unclear on this and have run in to bugs in production where nextUrl is somehow an empty object. Looks like it was because I didn't clone it

[github-actions]

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