Typegen cannot generate types from plugins

[praburangki]

Version

module: 2.1.0
nuxt: 4.2.2

Nuxt configuration

sanity: {
    apiVersion: '2026-01-01',
    dataset: process.env.SANITY_DATASET,
    projectId: process.env.SANITY_PROJECT_ID,
    typegen: {
      enabled: true,
      schemaTypesPath,
    },
  },

Reproduction

1. Checkout this repo
2. Add this plugin (sanity-plugin-internationalized-array) to the playground/cms
3. Create one field that has the type of: internationalizedArrayString
4. Run nuxt prepare

What is expected?

Type is generated.

What is actually happening?

WARN Could not generate Sanity types: Unknown type: internationalizedArrayString

Additional information

I tried running using sanity's CLI: pnpm sanity schema extract and it knows those types and there were no issues. Tried to dig in, in this module is using:

import { builtinTypes, extractSchema } from '@sanity/schema/_internal'

Then I tried to find how does sanity do it and apparently it's using the same method extractSchema from the same _internal. Then I was tracing and it was not that simple, I'm suspicious it's calling this function:

https://github.com/sanity-io/sanity/blob/8618f8476bbff6db439e1676fecd5c742315f3ad/packages/sanity/src/core/config/resolveSchemaTypes.ts

Not sure what is the best approach to implement this.

Checklist

• I have tested with the latest Nuxt version and the issue still occurs
• I have tested with the latest module version and the issue still occurs
• I have searched the issue tracker and this issue hasn't been reported yet

[CYPH4R]

Same here, tried to use it with sanity-plugin-icon-picker, so its not specific to one plugin.

[igorexa34314]

Additionally, typegen is not able to resolve vite aliases inside sanity.cli.ts.

[th-km]

Same issue, I'm getting this error in the terminal: Could not generate Sanity types: Unknown type: color. In my case, the color is coming from the @sanity/color-input package.