Applying arbitrary order to documents in Sanity using reference fields and custom ID generation

{
      name: 'signees',
      title: 'Signees',
      type: 'array',
      of: [{ type: 'signee' }]
    }

{
      name: 'signees',
      title: 'Signees',
      type: 'array',
      of: [{
        type: 'reference',
        to: [
          {type: 'signee'}
        ]
      }]
    }

const signee_categories = await client.fetch(`*[_type == "signee_category"]{
    ...,
    "title": coalesce(title[$language], <http://title.fi|title.fi>),
    signees->{
      ...,
      "work": coalesce(work[$language], <http://work.fi|work.fi>),
      "title": coalesce(title[$language], <http://title.fi|title.fi>)
    }
  }`, { language });

_id": "drafts.f1796bf3-cd29-4ee7-9b3a-b202cb947a23"

signees.forEach(async signee => {
  let _id = nanoid()

  // Add the new document
  await queue.add(() => client.create({
    _id,
    _type: 'signee',
    ...signee
  }))

  // insert a new reference object at the end of the signees array
  await queue.add(() => client.patch(CATEGORY_ID).insert('after', 'signees[-1]', [
    { _key: nanoid(), _type: 'reference', _ref: _id }
  ]).commit())
})

await queue.add(() => client.create({
    _id,
    _type: 'signee',
    name: signee.name,
    '<http://work.fi|work.fi>': signee.work,
    '<http://title.fi|title.fi>': signee.title
  }))

await queue.add(() => client.create({
  _id,
  _type: 'signee',
  name: signee.name,
  work: {
    fi: signee.work,
  },
  title: {
    fi: signee.title
  }
}))

export default [
  {
    name: 'John C. Ensored',
    title: 'Professor',
    work: 'Hospital'
  }
]

{
  "_createdAt": "2020-05-09T08:27:16Z",
  "_id": "drafts.f00ca6bc-b1bc-4045-9172-4f42f84f90c1",
  "_rev": "zojct8-h1c-s3u-h08-n8l5a9g08",
  "_type": "signee_category",
  "_updatedAt": "2020-05-10T09:15:06Z",
  "order": 3,
  "signees": [
    {
      "_key": "6516d233c5a4a29483607f7a5d51b5f7",
      "_type": "reference"
    }
  ],
  "title": {
    "_type": "localeString",
    "en": "In support of",
    "fi": "Kannatamme tätä aloitetta"
  }
}

*const* nanoid = () *=>* customAlphabet('1234567890abcdefghijklmnopqrstuvwz', 20);

signees.forEach(signee => {
  // Add the new document

  queue.add(async () => {
    let _id = nanoid()
    console.log('Adding', signee.name);
    await client.create({
      _id,
      _type: 'signee',
      name: signee.name,
      work: {
        fi: signee.work,
      },
      title: {
        fi: signee.title
      }
    })
    console.log('Updating category to include _ref', _id);
    await client.patch(CATEGORY_ID).insert('after', 'signees[-1]', [
      { _key: nanoid(), _type: 'reference', _ref: _id }
    ]).commit();
  })
})