Verify canary release

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

Provide environment information

no

Which example does this report relate to?

next assetPrefix

What browser are you using? (if relevant)

No response

How are you deploying your application? (if relevant)

No response

Describe the Bug

next assetPrefix: How to implement dynamic functions that only support strings, as my CDN can have multiple addresses and I want to distribute them across different CDNs

Expected Behavior

next assetPrefix: How to implement dynamic functions that only support strings, as my CDN can have multiple addresses and I want to distribute them across different CDNs

To Reproduce

next assetPrefix: How to implement dynamic functions that only support strings, as my CDN can have multiple addresses and I want to distribute them across different CDNs