[field] Fix crash on object types without fieldsets property

sanity-io · Oct 6, 2020 · 0aafd3d · 0aafd3d
1 parent aaeebf4
commit 0aafd3d
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/packages/@sanity/field/src/diff/changes/buildChangeList.ts b/packages/@sanity/field/src/diff/changes/buildChangeList.ts
@@ -56,7 +56,8 @@ export function buildObjectChangeList(
 ): ChangeNode[] {
   const changes: ChangeNode[] = []
 
-  for (const fieldSet of schemaType.fieldsets) {
+  const fieldSets = schemaType.fieldsets || schemaType.fields.map(field => ({single: true, field}))
+  for (const fieldSet of fieldSets) {
     if (fieldSet.single) {
       changes.push(...buildFieldChange(fieldSet.field, diff, path, titlePath, diffContext))
     } else {

diff --git a/packages/@sanity/field/src/types.ts b/packages/@sanity/field/src/types.ts
@@ -171,7 +171,7 @@ export interface ObjectField<T extends SchemaType = SchemaType> {
 export interface ObjectSchemaType<T extends object = Record<string, any>> extends BaseSchemaType {
   jsonType: 'object'
   fields: ObjectField[]
-  fieldsets: Fieldset[]
+  fieldsets?: Fieldset[]
   diffComponent?: DiffComponent<ObjectDiff<T>> | DiffComponentOptions<ObjectDiff<T>>
 }