import type assertion when defining custom transformers

[SheetJSDev]

Environment

• Operating System: Darwin
• Node Version: v18.13.0
• Nuxt Version: 3.0.0
• Nitro Version: 1.0.0
• Package Manager: unknown
• Builder: vite
• User Config: modules, content
• Runtime Modules: normalizedModule(), @nuxt/content@2.3.0
• Build Modules: -

Reproduction

https://github.com/nuxt/content/tree/main/examples/advanced/transformer (literally the demo in the source tree)

Describe the bug

 ERROR  [worker reload] [worker init] Module "file:///path/to/nuxt/content/examples/advanced/transformer/node_modules/@nuxt/content/dist/runtime/transformers/shiki/languages/mdc.tmLanguage.json" needs an import assertion of type "json"

Additional context

No response

Logs

No response

[SheetJSDev]

This was fixed by #1824 . Until the next version is published (current is v2.3.0), the workaround is:

import { defineTransformer } from '@nuxt/content/transformers/utils'