import { createAdminClient } from '@spree/admin-sdk'

const client = createAdminClient({
  baseUrl: 'https://your-store.com',
  secretKey: 'sk_xxx',
})

// All entries are saved together, or none are.
const translations = await client.translations.batch([
  {
    resource_type: 'option_type',
    resource_id: 'opt_UkLWZg9DAJ',
    values: { de: { label: 'Größe' } },
  },
  {
    resource_type: 'option_value',
    resource_id: 'optval_UkLWZg9DAJ',
    values: { de: { label: 'Klein' } },
  },
])

spree api post /translations/batch -d '{ ... }'

{
  "data": [
    {
      "resource_id": "opt_UkLWZg9DAJ",
      "resource_type": "option_type",
      "translations": {
        "de": {
          "label": "Größe",
          "translated_field_count": 1
        },
        "fr": {
          "label": null,
          "translated_field_count": 0
        }
      },
      "default_locale": "en",
      "supported_locales": [
        "de",
        "en",
        "fr"
      ]
    },
    {
      "resource_id": "optval_UkLWZg9DAJ",
      "resource_type": "option_value",
      "translations": {
        "de": {
          "label": "Klein",
          "translated_field_count": 1
        },
        "fr": {
          "label": null,
          "translated_field_count": 0
        }
      },
      "default_locale": "en",
      "supported_locales": [
        "de",
        "en",
        "fr"
      ]
    }
  ]
}

{
  "error": {
    "code": "validation_error",
    "message": "Unsupported locale(s): es",
    "details": {
      "translations": {
        "0": [
          "Unsupported locale(s): es"
        ]
      }
    }
  }
}