feat(ui): form state queues (#11579)

Implements a form state task queue. This will prevent onChange handlers
within the form component from processing unnecessarily often, sometimes
long after the user has stopped making changes. This leads to a
potentially huge number of network requests if those changes were made
slower than the debounce rate. This is especially noticeable on slow
networks.

Does so through a new `useQueue` hook. This hook maintains a stack of
events that need processing but only processes the final event to
arrive. Every time a new event is pushed to the stack, the currently
running process is aborted (if any), and that event becomes the next in
the queue. This results in a shocking reduction in the time it takes
between final change to form state and the final network response, from
~1.5 minutes to ~3 seconds (depending on the scenario, see below).

This likely fixes a number of existing open issues. I will link those
issues here once they are identified and verifiably fixed.

Before:

I'm typing slowly here to ensure my changes aren't debounce by the form.
There are a total of 60 characters typed, triggering 58 network requests
and taking around 1.5 minutes to complete after the final change was
made.


https://github.com/user-attachments/assets/49ba0790-a8f8-4390-8421-87453ff8b650

After:

Here there are a total of 69 characters typed, triggering 11 network
requests and taking only about 3 seconds to complete after the final
change was made.


https://github.com/user-attachments/assets/447f8303-0957-41bd-bb2d-9e1151ed9ec3

test/admin/collections/Posts.ts

@@ -263,25 +263,6 @@ export const Posts: CollectionConfig = {
         position: 'sidebar',
       },
     },
-    {
-      name: 'validateUsingEvent',
-      type: 'text',
-      admin: {
-        description:
-          'This field should only validate on submit. Try typing "Not allowed" and submitting the form.',
-      },
-      validate: (value, { event }) => {
-        if (event === 'onChange') {
-          return true
-        }
-
-        if (value === 'Not allowed') {
-          return 'This field has been validated only on submit'
-        }
-
-        return true
-      },
-    },
   ],
   labels: {
     plural: slugPluralLabel,

test/admin/e2e/document-view/e2e.spec.ts

@@ -174,36 +174,12 @@ describe('Document View', () => {
     })
   })
 
-  describe('form state', () => {
-    test('collection — should re-enable fields after save', async () => {
-      await page.goto(postsUrl.create)
-      await page.locator('#field-title').fill(title)
-      await saveDocAndAssert(page)
-      await expect(page.locator('#field-title')).toBeEnabled()
-    })
-
-    test('global — should re-enable fields after save', async () => {
-      await page.goto(globalURL.global(globalSlug))
-      await page.locator('#field-title').fill(title)
-      await saveDocAndAssert(page)
-      await expect(page.locator('#field-title')).toBeEnabled()
-    })
-
-    test('should thread proper event argument to validation functions', async () => {
-      await page.goto(postsUrl.create)
-      await page.locator('#field-title').fill(title)
-      await page.locator('#field-validateUsingEvent').fill('Not allowed')
-      await saveDocAndAssert(page, '#action-save', 'error')
-    })
-  })
-
   describe('document titles', () => {
     test('collection — should render fallback titles when creating new', async () => {
       await page.goto(postsUrl.create)
       await checkPageTitle(page, '[Untitled]')
       await checkBreadcrumb(page, 'Create New')
       await saveDocAndAssert(page)
-      expect(true).toBe(true)
     })
 
     test('collection — should render `useAsTitle` field', async () => {
@@ -213,7 +189,6 @@ describe('Document View', () => {
       await wait(500)
       await checkPageTitle(page, title)
       await checkBreadcrumb(page, title)
-      expect(true).toBe(true)
     })
 
     test('collection — should render `id` as `useAsTitle` fallback', async () => {

test/eslint.config.js

@@ -65,7 +65,12 @@ export const testEslintConfig = [
       'playwright/expect-expect': [
         'error',
         {
-          assertFunctionNames: ['assertToastErrors', 'saveDocAndAssert', 'runFilterOptionsTest'],
+          assertFunctionNames: [
+            'assertToastErrors',
+            'saveDocAndAssert',
+            'runFilterOptionsTest',
+            'assertNetworkRequests',
+          ],
         },
       ],
     },

test/fields-relationship/e2e.spec.ts

@@ -23,7 +23,7 @@ import type {
 
 import { ensureCompilationIsDone, initPageConsoleErrorCatch, saveDocAndAssert } from '../helpers.js'
 import { AdminUrlUtil } from '../helpers/adminUrlUtil.js'
-import { trackNetworkRequests } from '../helpers/e2e/trackNetworkRequests.js'
+import { assertNetworkRequests } from '../helpers/e2e/assertNetworkRequests.js'
 import { initPayloadE2ENoConfig } from '../helpers/initPayloadE2ENoConfig.js'
 import { POLL_TOPASS_TIMEOUT, TEST_TIMEOUT_LONG } from '../playwright.config.js'
 import {
@@ -176,7 +176,7 @@ describe('Relationship Field', () => {
     await expect(options).toHaveCount(2) // two docs
     await options.nth(0).click()
     await expect(field).toContainText(relationOneDoc.id)
-    await trackNetworkRequests(page, `/api/${relationOneSlug}`, async () => {
+    await assertNetworkRequests(page, `/api/${relationOneSlug}`, async () => {
       await saveDocAndAssert(page)
       await wait(200)
     })

test/fields/collections/Array/e2e.spec.ts

@@ -114,7 +114,7 @@ describe('Array', () => {
     await expect(page.locator('#field-customArrayField__0__text')).toBeVisible()
   })
 
-  // eslint-disable-next-line playwright/expect-expect
+   
   test('should bypass min rows validation when no rows present and field is not required', async () => {
     await page.goto(url.create)
     await saveDocAndAssert(page)

test/fields/collections/Lexical/e2e/blocks/e2e.spec.ts

@@ -25,7 +25,7 @@ import {
 } from '../../../../../helpers.js'
 import { AdminUrlUtil } from '../../../../../helpers/adminUrlUtil.js'
 import { assertToastErrors } from '../../../../../helpers/assertToastErrors.js'
-import { trackNetworkRequests } from '../../../../../helpers/e2e/trackNetworkRequests.js'
+import { assertNetworkRequests } from '../../../../../helpers/e2e/assertNetworkRequests.js'
 import { initPayloadE2ENoConfig } from '../../../../../helpers/initPayloadE2ENoConfig.js'
 import { reInitializeDB } from '../../../../../helpers/reInitializeDB.js'
 import { RESTClient } from '../../../../../helpers/rest.js'
@@ -400,11 +400,12 @@ describe('lexicalBlocks', () => {
       await dependsOnBlockData.locator('.rs__control').click()
 
       // Fill and wait for form state to come back
-      await trackNetworkRequests(page, '/admin/collections/lexical-fields', async () => {
+      await assertNetworkRequests(page, '/admin/collections/lexical-fields', async () => {
         await topLevelDocTextField.fill('invalid')
       })
+
       // Ensure block form state is updated and comes back (=> filter options are updated)
-      await trackNetworkRequests(
+      await assertNetworkRequests(
         page,
         '/admin/collections/lexical-fields',
         async () => {
@@ -442,7 +443,7 @@ describe('lexicalBlocks', () => {
         topLevelDocTextField,
       } = await setupFilterOptionsTests()
 
-      await trackNetworkRequests(
+      await assertNetworkRequests(
         page,
         '/admin/collections/lexical-fields',
         async () => {
@@ -478,7 +479,7 @@ describe('lexicalBlocks', () => {
         topLevelDocTextField,
       } = await setupFilterOptionsTests()
 
-      await trackNetworkRequests(
+      await assertNetworkRequests(
         page,
         '/admin/collections/lexical-fields',
         async () => {
@@ -571,19 +572,21 @@ describe('lexicalBlocks', () => {
       await topLevelDocTextField.fill('invalid')
 
       await saveDocAndAssert(page, '#action-save', 'error')
+
       await assertToastErrors({
         page,
         errors: ['Lexical With Blocks', 'Lexical With Blocks → Group → Text Depends On Doc Data'],
       })
+
       await expect(page.locator('.payload-toast-container .payload-toast-item')).toBeHidden()
 
-      await trackNetworkRequests(
+      await assertNetworkRequests(
         page,
         '/admin/collections/lexical-fields',
         async () => {
           await topLevelDocTextField.fill('Rich Text') // Default value
         },
-        { allowedNumberOfRequests: 2 },
+        { allowedNumberOfRequests: 1 },
       )
 
       await saveDocAndAssert(page)
@@ -604,13 +607,13 @@ describe('lexicalBlocks', () => {
       })
       await expect(page.locator('.payload-toast-container .payload-toast-item')).toBeHidden()
 
-      await trackNetworkRequests(
+      await assertNetworkRequests(
         page,
         '/admin/collections/lexical-fields',
         async () => {
           await blockGroupTextField.fill('')
         },
-        { allowedNumberOfRequests: 3 },
+        { allowedNumberOfRequests: 2 },
       )
 
       await saveDocAndAssert(page)
@@ -628,13 +631,13 @@ describe('lexicalBlocks', () => {
       })
       await expect(page.locator('.payload-toast-container .payload-toast-item')).toBeHidden()
 
-      await trackNetworkRequests(
+      await assertNetworkRequests(
         page,
         '/admin/collections/lexical-fields',
         async () => {
           await blockTextField.fill('')
         },
-        { allowedNumberOfRequests: 3 },
+        { allowedNumberOfRequests: 2 },
       )
 
       await saveDocAndAssert(page)

test/fields/collections/Number/e2e.spec.ts

@@ -111,7 +111,6 @@ describe('Number', () => {
   test('should bypass min rows validation when no rows present and field is not required', async () => {
     await page.goto(url.create)
     await saveDocAndAssert(page)
-    expect(true).toBe(true) // the above fn contains the assertion
   })
 
   test('should fail min rows validation when rows are present', async () => {

test/form-state/.gitignore

@@ -0,0 +1,2 @@
+/media
+/media-gif

test/form-state/collections/Posts/index.ts

@@ -0,0 +1,59 @@
+import type { CollectionConfig } from 'payload'
+
+export const postsSlug = 'posts'
+
+export const PostsCollection: CollectionConfig = {
+  slug: postsSlug,
+  admin: {
+    useAsTitle: 'title',
+  },
+  fields: [
+    {
+      name: 'title',
+      type: 'text',
+    },
+    {
+      name: 'validateUsingEvent',
+      type: 'text',
+      admin: {
+        description:
+          'This field should only validate on submit. Try typing "Not allowed" and submitting the form.',
+      },
+      validate: (value, { event }) => {
+        if (event === 'onChange') {
+          return true
+        }
+
+        if (value === 'Not allowed') {
+          return 'This field has been validated only on submit'
+        }
+
+        return true
+      },
+    },
+    {
+      name: 'blocks',
+      type: 'blocks',
+      blocks: [
+        {
+          slug: 'text',
+          fields: [
+            {
+              name: 'text',
+              type: 'text',
+            },
+          ],
+        },
+        {
+          slug: 'number',
+          fields: [
+            {
+              name: 'number',
+              type: 'number',
+            },
+          ],
+        },
+      ],
+    },
+  ],
+}

test/form-state/config.ts

@@ -0,0 +1,37 @@
+import { fileURLToPath } from 'node:url'
+import path from 'path'
+
+import { buildConfigWithDefaults } from '../buildConfigWithDefaults.js'
+import { devUser } from '../credentials.js'
+import { PostsCollection, postsSlug } from './collections/Posts/index.js'
+
+const filename = fileURLToPath(import.meta.url)
+const dirname = path.dirname(filename)
+
+export default buildConfigWithDefaults({
+  collections: [PostsCollection],
+  admin: {
+    importMap: {
+      baseDir: path.resolve(dirname),
+    },
+  },
+  onInit: async (payload) => {
+    await payload.create({
+      collection: 'users',
+      data: {
+        email: devUser.email,
+        password: devUser.password,
+      },
+    })
+
+    await payload.create({
+      collection: postsSlug,
+      data: {
+        title: 'example post',
+      },
+    })
+  },
+  typescript: {
+    outputFile: path.resolve(dirname, 'payload-types.ts'),
+  },
+})

test/form-state/e2e.spec.ts

@@ -0,0 +1,126 @@
+import type { BrowserContext, Page } from '@playwright/test'
+
+import { expect, test } from '@playwright/test'
+import { addBlock } from 'helpers/e2e/addBlock.js'
+import { assertNetworkRequests } from 'helpers/e2e/assertNetworkRequests.js'
+import * as path from 'path'
+import { fileURLToPath } from 'url'
+
+import {
+  ensureCompilationIsDone,
+  initPageConsoleErrorCatch,
+  saveDocAndAssert,
+  throttleTest,
+} from '../helpers.js'
+import { AdminUrlUtil } from '../helpers/adminUrlUtil.js'
+import { initPayloadE2ENoConfig } from '../helpers/initPayloadE2ENoConfig.js'
+import { TEST_TIMEOUT_LONG } from '../playwright.config.js'
+
+const filename = fileURLToPath(import.meta.url)
+const dirname = path.dirname(filename)
+
+const title = 'Title'
+let context: BrowserContext
+
+test.describe('Form State', () => {
+  let page: Page
+  let postsUrl: AdminUrlUtil
+
+  test.beforeAll(async ({ browser }, testInfo) => {
+    testInfo.setTimeout(TEST_TIMEOUT_LONG)
+
+    const { payload, serverURL } = await initPayloadE2ENoConfig({ dirname })
+    postsUrl = new AdminUrlUtil(serverURL, 'posts')
+
+    context = await browser.newContext()
+    page = await context.newPage()
+    initPageConsoleErrorCatch(page)
+    await ensureCompilationIsDone({ page, serverURL })
+  })
+
+  test('collection — should re-enable fields after save', async () => {
+    await page.goto(postsUrl.create)
+    await page.locator('#field-title').fill(title)
+    await saveDocAndAssert(page)
+    await expect(page.locator('#field-title')).toBeEnabled()
+  })
+
+  test('should thread proper event argument to validation functions', async () => {
+    await page.goto(postsUrl.create)
+    await page.locator('#field-title').fill(title)
+    await page.locator('#field-validateUsingEvent').fill('Not allowed')
+    await saveDocAndAssert(page, '#action-save', 'error')
+  })
+
+  test('should fire a single network request for onChange events when manipulating blocks', async () => {
+    await page.goto(postsUrl.create)
+
+    await assertNetworkRequests(
+      page,
+      postsUrl.create,
+      async () => {
+        await addBlock({
+          page,
+          blockLabel: 'Text',
+          fieldName: 'blocks',
+        })
+      },
+      {
+        allowedNumberOfRequests: 1,
+      },
+    )
+  })
+
+  test('should debounce onChange events', async () => {
+    await page.goto(postsUrl.create)
+    const field = page.locator('#field-title')
+
+    await assertNetworkRequests(
+      page,
+      postsUrl.create,
+      async () => {
+        // Need to type _faster_ than the debounce rate (250ms)
+        await field.pressSequentially('Some text to type', { delay: 50 })
+      },
+      {
+        allowedNumberOfRequests: 1,
+      },
+    )
+  })
+
+  test('should queue onChange functions', async () => {
+    await page.goto(postsUrl.create)
+    const field = page.locator('#field-title')
+    await field.fill('Test')
+
+    // only throttle test after initial load to avoid timeouts
+    const cdpSession = await throttleTest({
+      page,
+      context,
+      delay: 'Slow 3G',
+    })
+
+    await assertNetworkRequests(
+      page,
+      postsUrl.create,
+      async () => {
+        await field.fill('')
+        // Need to type into a _slower_ than the debounce rate (250ms), but _faster_ than the network request
+        await field.pressSequentially('Some text to type', { delay: 300 })
+      },
+      {
+        allowedNumberOfRequests: 1,
+        timeout: 10000, // watch network for 10 seconds to allow requests to build up
+      },
+    )
+
+    await cdpSession.send('Network.emulateNetworkConditions', {
+      offline: false,
+      latency: 0,
+      downloadThroughput: -1,
+      uploadThroughput: -1,
+    })
+
+    await cdpSession.detach()
+  })
+})

test/form-state/eslint.config.js

@@ -0,0 +1,19 @@
+import { rootParserOptions } from '../../eslint.config.js'
+import { testEslintConfig } from '../eslint.config.js'
+
+/** @typedef {import('eslint').Linter.Config} Config */
+
+/** @type {Config[]} */
+export const index = [
+  ...testEslintConfig,
+  {
+    languageOptions: {
+      parserOptions: {
+        ...rootParserOptions,
+        tsconfigRootDir: import.meta.dirname,
+      },
+    },
+  },
+]
+
+export default index

test/form-state/int.spec.ts

@@ -0,0 +1,47 @@
+import type { Payload } from 'payload'
+
+import path from 'path'
+import { fileURLToPath } from 'url'
+
+import type { NextRESTClient } from '../helpers/NextRESTClient.js'
+
+import { devUser } from '../credentials.js'
+import { initPayloadInt } from '../helpers/initPayloadInt.js'
+import { postsSlug } from './collections/Posts/index.js'
+
+let payload: Payload
+let token: string
+let restClient: NextRESTClient
+
+const { email, password } = devUser
+const filename = fileURLToPath(import.meta.url)
+const dirname = path.dirname(filename)
+
+describe('Form State', () => {
+  // --__--__--__--__--__--__--__--__--__
+  // Boilerplate test setup/teardown
+  // --__--__--__--__--__--__--__--__--__
+  beforeAll(async () => {
+    const initialized = await initPayloadInt(dirname)
+    ;({ payload, restClient } = initialized)
+
+    const data = await restClient
+      .POST('/users/login', {
+        body: JSON.stringify({
+          email,
+          password,
+        }),
+      })
+      .then((res) => res.json())
+
+    token = data.token
+  })
+
+  afterAll(async () => {
+    if (typeof payload.db.destroy === 'function') {
+      await payload.db.destroy()
+    }
+  })
+
+  it.todo('should execute form state endpoint')
+})

test/form-state/payload-types.ts

@@ -0,0 +1,306 @@
+/* tslint:disable */
+/* eslint-disable */
+/**
+ * This file was automatically generated by Payload.
+ * DO NOT MODIFY IT BY HAND. Instead, modify your source Payload config,
+ * and re-run `payload generate:types` to regenerate this file.
+ */
+
+/**
+ * Supported timezones in IANA format.
+ *
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "supportedTimezones".
+ */
+export type SupportedTimezones =
+  | 'Pacific/Midway'
+  | 'Pacific/Niue'
+  | 'Pacific/Honolulu'
+  | 'Pacific/Rarotonga'
+  | 'America/Anchorage'
+  | 'Pacific/Gambier'
+  | 'America/Los_Angeles'
+  | 'America/Tijuana'
+  | 'America/Denver'
+  | 'America/Phoenix'
+  | 'America/Chicago'
+  | 'America/Guatemala'
+  | 'America/New_York'
+  | 'America/Bogota'
+  | 'America/Caracas'
+  | 'America/Santiago'
+  | 'America/Buenos_Aires'
+  | 'America/Sao_Paulo'
+  | 'Atlantic/South_Georgia'
+  | 'Atlantic/Azores'
+  | 'Atlantic/Cape_Verde'
+  | 'Europe/London'
+  | 'Europe/Berlin'
+  | 'Africa/Lagos'
+  | 'Europe/Athens'
+  | 'Africa/Cairo'
+  | 'Europe/Moscow'
+  | 'Asia/Riyadh'
+  | 'Asia/Dubai'
+  | 'Asia/Baku'
+  | 'Asia/Karachi'
+  | 'Asia/Tashkent'
+  | 'Asia/Calcutta'
+  | 'Asia/Dhaka'
+  | 'Asia/Almaty'
+  | 'Asia/Jakarta'
+  | 'Asia/Bangkok'
+  | 'Asia/Shanghai'
+  | 'Asia/Singapore'
+  | 'Asia/Tokyo'
+  | 'Asia/Seoul'
+  | 'Australia/Sydney'
+  | 'Pacific/Guam'
+  | 'Pacific/Noumea'
+  | 'Pacific/Auckland'
+  | 'Pacific/Fiji';
+
+export interface Config {
+  auth: {
+    users: UserAuthOperations;
+  };
+  blocks: {};
+  collections: {
+    posts: Post;
+    users: User;
+    'payload-locked-documents': PayloadLockedDocument;
+    'payload-preferences': PayloadPreference;
+    'payload-migrations': PayloadMigration;
+  };
+  collectionsJoins: {};
+  collectionsSelect: {
+    posts: PostsSelect<false> | PostsSelect<true>;
+    users: UsersSelect<false> | UsersSelect<true>;
+    'payload-locked-documents': PayloadLockedDocumentsSelect<false> | PayloadLockedDocumentsSelect<true>;
+    'payload-preferences': PayloadPreferencesSelect<false> | PayloadPreferencesSelect<true>;
+    'payload-migrations': PayloadMigrationsSelect<false> | PayloadMigrationsSelect<true>;
+  };
+  db: {
+    defaultIDType: string;
+  };
+  globals: {};
+  globalsSelect: {};
+  locale: null;
+  user: User & {
+    collection: 'users';
+  };
+  jobs: {
+    tasks: unknown;
+    workflows: unknown;
+  };
+}
+export interface UserAuthOperations {
+  forgotPassword: {
+    email: string;
+    password: string;
+  };
+  login: {
+    email: string;
+    password: string;
+  };
+  registerFirstUser: {
+    email: string;
+    password: string;
+  };
+  unlock: {
+    email: string;
+    password: string;
+  };
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "posts".
+ */
+export interface Post {
+  id: string;
+  title?: string | null;
+  /**
+   * This field should only validate on submit. Try typing "Not allowed" and submitting the form.
+   */
+  validateUsingEvent?: string | null;
+  blocks?:
+    | (
+        | {
+            text?: string | null;
+            id?: string | null;
+            blockName?: string | null;
+            blockType: 'text';
+          }
+        | {
+            number?: number | null;
+            id?: string | null;
+            blockName?: string | null;
+            blockType: 'number';
+          }
+      )[]
+    | null;
+  updatedAt: string;
+  createdAt: string;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "users".
+ */
+export interface User {
+  id: string;
+  updatedAt: string;
+  createdAt: string;
+  email: string;
+  resetPasswordToken?: string | null;
+  resetPasswordExpiration?: string | null;
+  salt?: string | null;
+  hash?: string | null;
+  loginAttempts?: number | null;
+  lockUntil?: string | null;
+  password?: string | null;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "payload-locked-documents".
+ */
+export interface PayloadLockedDocument {
+  id: string;
+  document?:
+    | ({
+        relationTo: 'posts';
+        value: string | Post;
+      } | null)
+    | ({
+        relationTo: 'users';
+        value: string | User;
+      } | null);
+  globalSlug?: string | null;
+  user: {
+    relationTo: 'users';
+    value: string | User;
+  };
+  updatedAt: string;
+  createdAt: string;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "payload-preferences".
+ */
+export interface PayloadPreference {
+  id: string;
+  user: {
+    relationTo: 'users';
+    value: string | User;
+  };
+  key?: string | null;
+  value?:
+    | {
+        [k: string]: unknown;
+      }
+    | unknown[]
+    | string
+    | number
+    | boolean
+    | null;
+  updatedAt: string;
+  createdAt: string;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "payload-migrations".
+ */
+export interface PayloadMigration {
+  id: string;
+  name?: string | null;
+  batch?: number | null;
+  updatedAt: string;
+  createdAt: string;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "posts_select".
+ */
+export interface PostsSelect<T extends boolean = true> {
+  title?: T;
+  validateUsingEvent?: T;
+  blocks?:
+    | T
+    | {
+        text?:
+          | T
+          | {
+              text?: T;
+              id?: T;
+              blockName?: T;
+            };
+        number?:
+          | T
+          | {
+              number?: T;
+              id?: T;
+              blockName?: T;
+            };
+      };
+  updatedAt?: T;
+  createdAt?: T;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "users_select".
+ */
+export interface UsersSelect<T extends boolean = true> {
+  updatedAt?: T;
+  createdAt?: T;
+  email?: T;
+  resetPasswordToken?: T;
+  resetPasswordExpiration?: T;
+  salt?: T;
+  hash?: T;
+  loginAttempts?: T;
+  lockUntil?: T;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "payload-locked-documents_select".
+ */
+export interface PayloadLockedDocumentsSelect<T extends boolean = true> {
+  document?: T;
+  globalSlug?: T;
+  user?: T;
+  updatedAt?: T;
+  createdAt?: T;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "payload-preferences_select".
+ */
+export interface PayloadPreferencesSelect<T extends boolean = true> {
+  user?: T;
+  key?: T;
+  value?: T;
+  updatedAt?: T;
+  createdAt?: T;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "payload-migrations_select".
+ */
+export interface PayloadMigrationsSelect<T extends boolean = true> {
+  name?: T;
+  batch?: T;
+  updatedAt?: T;
+  createdAt?: T;
+}
+/**
+ * This interface was referenced by `Config`'s JSON-Schema
+ * via the `definition` "auth".
+ */
+export interface Auth {
+  [k: string]: unknown;
+}
+
+
+declare module 'payload' {
+  // @ts-ignore 
+  export interface GeneratedTypes extends Config {}
+}

test/form-state/tsconfig.eslint.json

@@ -0,0 +1,13 @@
+{
+  // extend your base config to share compilerOptions, etc
+  //"extends": "./tsconfig.json",
+  "compilerOptions": {
+    // ensure that nobody can accidentally use this config for a build
+    "noEmit": true
+  },
+  "include": [
+    // whatever paths you intend to lint
+    "./**/*.ts",
+    "./**/*.tsx"
+  ]
+}

test/form-state/tsconfig.json

@@ -0,0 +1,3 @@
+{
+  "extends": "../tsconfig.json"
+}

test/form-state/types.d.ts

@@ -0,0 +1,9 @@
+import type { RequestContext as OriginalRequestContext } from 'payload'
+
+declare module 'payload' {
+  // Create a new interface that merges your additional fields with the original one
+  export interface RequestContext extends OriginalRequestContext {
+    myObject?: string
+    // ...
+  }
+}

test/helpers/e2e/assertNetworkRequests.ts

@@ -2,23 +2,37 @@ import type { Page, Request } from '@playwright/test'
 
 import { expect } from '@playwright/test'
 
-// Allows you to test the number of network requests triggered by an action
-// This can be used to ensure various actions do not trigger unnecessary requests
-// For example, an effect within a component might fetch data multiple times unnecessarily
-export const trackNetworkRequests = async (
+/**
+ * Counts the number of network requests every `interval` milliseconds until `timeout` is reached.
+ * Useful to ensure unexpected network requests are not triggered by an action.
+ * For example, an effect within a component might fetch data multiple times unnecessarily.
+ * @param page The Playwright page
+ * @param url The URL to match in the network requests
+ * @param action The action to perform
+ * @param options Options
+ * @param options.allowedNumberOfRequests The number of requests that are allowed to be made, defaults to 1
+ * @param options.beforePoll A function to run before polling the network requests
+ * @param options.interval The interval in milliseconds to poll the network requests, defaults to 1000
+ * @param options.timeout The timeout in milliseconds to poll the network requests, defaults to 5000
+ * @returns The matched network requests
+ */
+export const assertNetworkRequests = async (
   page: Page,
   url: string,
   action: () => Promise<any>,
-  options?: {
+  {
+    beforePoll,
+    allowedNumberOfRequests = 1,
+    timeout = 5000,
+    interval = 1000,
+  }: {
     allowedNumberOfRequests?: number
     beforePoll?: () => Promise<any> | void
     interval?: number
     timeout?: number
-  },
+  } = {},
 ): Promise<Array<Request>> => {
-  const { beforePoll, allowedNumberOfRequests = 1, timeout = 5000, interval = 1000 } = options || {}
-
-  const matchedRequests = []
+  const matchedRequests: Request[] = []
 
   // begin tracking network requests
   page.on('request', (request) => {

test/versions/e2e.spec.ts

@@ -42,7 +42,7 @@ import {
   selectTableRow,
 } from '../helpers.js'
 import { AdminUrlUtil } from '../helpers/adminUrlUtil.js'
-import { trackNetworkRequests } from '../helpers/e2e/trackNetworkRequests.js'
+import { assertNetworkRequests } from '../helpers/e2e/assertNetworkRequests.js'
 import { initPayloadE2ENoConfig } from '../helpers/initPayloadE2ENoConfig.js'
 import { reInitializeDB } from '../helpers/reInitializeDB.js'
 import { waitForAutoSaveToRunAndComplete } from '../helpers/waitForAutoSaveToRunAndComplete.js'
@@ -416,7 +416,7 @@ describe('Versions', () => {
 
       await page.goto(postURL.edit(postID))
 
-      await trackNetworkRequests(
+      await assertNetworkRequests(
         page,
         `${serverURL}/admin/collections/${postCollectionSlug}/${postID}`,
         async () => {
@@ -1224,6 +1224,7 @@ describe('Versions', () => {
 
     test('should render diff', async () => {
       await navigateToVersionDiff()
+      expect(true).toBe(true)
     })
 
     test('should render diff for nested fields', async () => {