Using global type in module file

[Ericlm]

Describe the bug

I'm using auto-imports in a Vue project, and while it works perfectly in vue components, I'm having issues with types in .ts files (like composables or stores).

• In .ts file without import/export, the Ref (or other types) are unknown, but the ref() etc. functions are not reported.
• It works only when using globalThis (globalThis.Ref)

Reproduction

https://github.com/Ericlm/vue-unplugin-auto-import

System Info

System:
    OS: macOS 15.0.1
    CPU: (8) arm64 Apple M1
    Memory: 121.91 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 22.6.0 - ~/.asdf/installs/nodejs/22.6.0/bin/node
    npm: 10.8.3 - ~/.asdf/plugins/nodejs/shims/npm
    pnpm: 9.9.0 - ~/.asdf/installs/nodejs/22.6.0/bin/pnpm
  Browsers:
    Chrome: 129.0.6668.103
    Safari: 18.0.1

Used Package Manager

npm

Validations

• [X] Follow our Code of Conduct
• [X] Read the Contributing Guide.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• [X] Check that this is a concrete bug. For Q&A, please open a GitHub Discussion instead.
• [X] The provided reproduction is a minimal reproducible of the bug.

[Ericlm]

It works when using a syntax like:

declare global {
  type Ref<T> = import('vue').Ref<T>
}

instead of export type {} inside of declare global {}.

Maybe this syntax should be used instead of export type {}. ?