fix(core): update resolveTypeForDocument query (#8969)

Author: pedrobonamin

packages/sanity/src/core/store/_legacy/document/hooks/__tests__/useDocumentType.test.tsx

@@ -31,7 +31,7 @@ test('should return passed document type if already resolved', async () => {
 
 test('should resolve document type from API on undefined type (with loading state)', async () => {
   const client = createMockSanityClient()
-  const response = defer(() => of(['book']).pipe(observeOn(asyncScheduler)))
+  const response = defer(() => of('book').pipe(observeOn(asyncScheduler)))
 
   client.observable.fetch = vi.fn(() => response)
 
@@ -75,8 +75,8 @@ test('should return correct document type on document type transition', async ()
 test('should return correct document type on document ID transition', async () => {
   const client = createMockSanityClient()
 
-  const responseGrrm = defer(() => of(['author']).pipe(observeOn(asyncScheduler)))
-  const responseGot = defer(() => of(['book']).pipe(observeOn(asyncScheduler)))
+  const responseGrrm = defer(() => of('author').pipe(observeOn(asyncScheduler)))
+  const responseGot = defer(() => of('book').pipe(observeOn(asyncScheduler)))
 
   client.observable.fetch = (_query, params) =>
     params.publishedId === 'grrm' ? responseGrrm : responseGot
@@ -102,7 +102,7 @@ test('should return correct document type on document ID transition', async () =
 test('should return correct document type when transitioning from undefined type to specified type', async () => {
   const client = createMockSanityClient()
 
-  const responseGrrm = defer(() => of(['author']).pipe(observeOn(asyncScheduler)))
+  const responseGrrm = defer(() => of('author').pipe(observeOn(asyncScheduler)))
 
   client.observable.fetch = vi.fn<typeof client.observable.fetch>().mockReturnValue(responseGrrm)
 
@@ -132,7 +132,7 @@ test('should return correct document type when transitioning from undefined type
 test('should return correct document type when transitioning from specified to undefined type', async () => {
   const client = createMockSanityClient()
 
-  const responseGrrm = defer(() => of(['person']).pipe(observeOn(asyncScheduler)))
+  const responseGrrm = defer(() => of('person').pipe(observeOn(asyncScheduler)))
 
   client.observable.fetch = vi.fn<typeof client.observable.fetch>().mockReturnValue(responseGrrm)
 
@@ -166,7 +166,7 @@ test('should cancel ongoing requests when transitioning document ID', async () =
   const responseDelayedGrrm = defer(() =>
     of(['person']).pipe(observeOn(asyncScheduler), delay(5000), tap(hasResolvedFirst)),
   )
-  const responseGot = defer(() => of(['book']).pipe(observeOn(asyncScheduler)))
+  const responseGot = defer(() => of('book').pipe(observeOn(asyncScheduler)))
 
   client.observable.fetch = vi
     .fn<typeof client.observable.fetch>()

packages/sanity/src/core/store/_legacy/document/resolveTypeForDocument.ts

@@ -1,6 +1,5 @@
 import {type SanityClient} from '@sanity/client'
 import {type Observable, of} from 'rxjs'
-import {map} from 'rxjs/operators'
 
 import {getPublishedId} from '../../../util'
 
@@ -14,15 +13,13 @@ export function resolveTypeForDocument(
     return of(specifiedType)
   }
 
-  const query = '*[sanity::versionOf($publishedId)]._type'
+  const query = '*[sanity::versionOf($publishedId)][0]._type'
 
-  return client.observable
-    .fetch(
-      query,
-      {publishedId: getPublishedId(id)},
-      {
-        tag: 'document.resolve-type',
-      },
-    )
-    .pipe(map((types) => types[0]))
+  return client.observable.fetch(
+    query,
+    {publishedId: getPublishedId(id)},
+    {
+      tag: 'document.resolve-type',
+    },
+  )
 }

packages/sanity/src/structure/structureBuilder/util/resolveTypeForDocument.ts

@@ -5,13 +5,13 @@ export async function resolveTypeForDocument(
   getClient: (options: SourceClientOptions) => SanityClient,
   id: string,
 ): Promise<string | undefined> {
-  const query = '*[sanity::versionOf($publishedId)]._type'
+  const query = '*[sanity::versionOf($publishedId)][0]._type'
 
-  const types = await getClient(DEFAULT_STUDIO_CLIENT_OPTIONS).fetch(
+  const type = await getClient(DEFAULT_STUDIO_CLIENT_OPTIONS).fetch(
     query,
     {publishedId: getPublishedId(id)},
     {tag: 'structure.resolve-type'},
   )
 
-  return types[0]
+  return type
 }