fix: custom overrides of breadcrumb and parent fields

test/plugin-nested-docs/collections/Categories.ts

@@ -0,0 +1,38 @@
+import type { CollectionConfig } from '../../../packages/payload/src/collections/config/types'
+
+import { createBreadcrumbsField } from '../../../packages/plugin-nested-docs/src/fields/breadcrumbs'
+import createParentField from '../../../packages/plugin-nested-docs/src/fields/parent'
+
+export const Categories: CollectionConfig = {
+  access: {
+    read: () => true,
+  },
+  admin: {
+    useAsTitle: 'name',
+  },
+  fields: [
+    {
+      name: 'name',
+      required: true,
+      type: 'text',
+    },
+    createBreadcrumbsField('categories', {
+      name: 'categorization',
+      admin: {
+        description: 'custom',
+      },
+      fields: [
+        {
+          name: 'test',
+          type: 'text',
+        },
+      ],
+    }),
+    createParentField('categories', {
+      admin: {
+        description: 'custom',
+      },
+    }),
+  ],
+  slug: 'categories',
+}

test/plugin-nested-docs/config.ts

@@ -1,12 +1,13 @@
 import nestedDocs from '../../packages/plugin-nested-docs/src'
 import { buildConfigWithDefaults } from '../buildConfigWithDefaults'
 import { devUser } from '../credentials'
+import { Categories } from './collections/Categories'
 import { Pages } from './collections/Pages'
 import { Users } from './collections/Users'
 import { seed } from './seed'
 
 export default buildConfigWithDefaults({
-  collections: [Pages, Users],
+  collections: [Pages, Categories, Users],
   localization: {
     defaultLocale: 'en',
     fallback: true,
@@ -29,5 +30,11 @@ export default buildConfigWithDefaults({
       generateLabel: (_, doc) => doc.title as string,
       generateURL: (docs) => docs.reduce((url, doc) => `${url}/${doc.slug}`, ''),
     }),
+    nestedDocs({
+      breadcrumbsFieldSlug: 'categorization',
+      collections: ['categories'],
+      generateLabel: (_, doc) => doc.name as string,
+      generateURL: (docs) => docs.reduce((url, doc) => `${url}/${doc.name}`, ''),
+    }),
   ],
 })

test/plugin-nested-docs/int.spec.ts

@@ -1,3 +1,5 @@
+import type { ArrayField, RelationshipField } from '../../packages/payload/src/fields/config/types'
+
 import payload from '../../packages/payload/src'
 import { initPayloadTest } from '../helpers/configHelpers'
 
@@ -38,4 +40,33 @@ describe('Nested Docs', () => {
       )
     })
   })
+
+  describe('overrides', () => {
+    let collection
+    beforeAll(() => {
+      collection = payload.config.collections.find(({ slug }) => slug === 'categories')
+    })
+
+    it('should allow overriding breadcrumbs field', () => {
+      const breadcrumbField = collection.fields.find(
+        (field) => field.type === 'array' && field.name === 'categorization',
+      ) as ArrayField
+      const customField = breadcrumbField.fields.find(
+        (field) => field.type === 'text' && field.name === 'test',
+      ) as ArrayField
+
+      expect(breadcrumbField.admin.description).toStrictEqual('custom')
+      expect(customField).toBeDefined()
+      expect(breadcrumbField.admin.readOnly).toStrictEqual(true)
+      expect(breadcrumbField.admin.readOnly).toStrictEqual(true)
+    })
+
+    it('should allow overriding parent field', () => {
+      const parentField = collection.fields.find(
+        (field) => field.type === 'relationship' && field.name === 'parent',
+      ) as RelationshipField
+
+      expect(parentField.admin.description).toStrictEqual('custom')
+    })
+  })
 })