Desk structure with custom roles

import S from '@sanity/base/structure-builder'
import userStore from "part:@sanity/base/user";

export default () =>
// Get the current user and their roles
  userStore.getCurrentUser().then((user) => user.roles)
  .then(roles => {
    // We just want their names (identifiers)
    const roleNames = roles.map(r => r.name)
    // Build up an array of items depending on roles. You may of
    // course do this completely different. This is just an example.
    const deskItems = []

    if (roleNames.includes('administrator')) {
      // Return the default struture with all document types
      return S.list()
        .title('Admin structure')
        .items(S.documentTypeListItems())
    }

    if (roleNames.includes('editors')) {
      // Add the items that editors should see
      //deskItems.push(...partOfStructureOnlyForEditors)
    }

    if (roleNames.includes('wizards')) {
      // Add the items that wizards should see
      //deskItems.push(...wizardDeskItems)
    }

    if (roleNames.includes('translators')) {
      // Completely separate desk structure
      return S.list().title('Translations').items(
        [] // Would contain items only for translators, for instance
      )
    }

    return S.list().title('Content').items(
      deskItems
    )
  })
  .catch((error) => {
    console.error(error)
    // In case of any errors fetching the groups, just return some standard
    // structure. This will only happen if the query cannot be performed for
    // some reason.
    return S.list()
      .title('Empty structure')
      .items([])
  })