[NEXT-1203] Can't use external link with next/link and typedRoutes: true

[jahirfiquitiva]

Verify canary release

• I verified that the issue exists in the latest Next.js canary release

Provide environment information

Operating System:
      Platform: darwin
      Arch: arm64
      Version: Darwin Kernel Version 22.4.0: Mon Mar  6 20:59:28 PST 2023; root:xnu-8796.101.5~3/RELEASE_ARM64_T6000
    Binaries:
      Node: 16.20.0
      npm: 8.19.4
      Yarn: 1.22.19
      pnpm: N/A
    Relevant packages:
      next: 13.4.3-canary.0
      eslint-config-next: 13.4.2
      react: 18.2.0
      react-dom: 18.2.0
      typescript: 5.0.4

Which area(s) of Next.js are affected? (leave empty if unsure)

Routing (next/router, next/navigation, next/link)

Link to the code that reproduces this issue

https://github.com/jahirfiquitiva/next-link-typed-error/

To Reproduce

• Create a new Next.js project
• Set experimental.typedRoutes in next.config.js
• Link with an external URL will error

Describe the Bug

When setting experimental.typedRoutes to true in next.config.js, and using external URLs with next/link, a type error is shown, which can only be fixed by using as Route.

Type '"https://vercel.com?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"' is not assignable to type 'UrlObject | RouteImpl<"https://vercel.com?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app">'

Type error: "https://vercel.com?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app" is not an existing route. If it is intentional, please type it explicitly with `as Route`.

Error logs: https://vercel.com/jahirfiquitiva/next-link-typed-error/9VkAtcfToKfdMMzxKq2ZM8x5f7yY

Possibly related: #47689

Expected Behavior

No error should be shown when using an external link, and it should be considered acceptable.
Should work normally as it does without typedRoutes

Which browser are you using? (if relevant)

No response

How are you deploying your application? (if relevant)

Vercel

_NEXT-1203

[github-actions]

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