Vue version

3.4.8

Link to minimal reproduction

https://play.vuejs.org/#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

Steps to reproduce

Reference link

What is expected?

continue as usual

What is actually happening?

error: DEFAULT_VALUE is not defined

System Info

No response

Any additional comments?

No response

This is expected because the options for defineModel is used as the props options and will be moved outside of setup scope. Similar to the options in defineProps and defineOptions.

Note if the constant is a primitive value that can be safely hoisted out, this will work; however, your constant value is an object that may be mutated, so it cannot be hoisted out and therefore cannot be referenced.