chore(poc): react19 & compiler

docs/package.json

@@ -33,8 +33,8 @@
     "@mdx-js/react": "^3.0.0",
     "clsx": "^1.1.1",
     "prism-react-renderer": "^2.1.0",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0"
+    "react": "rc",
+    "react-dom": "rc"
   },
   "devDependencies": {
     "@docusaurus/module-type-aliases": "3.1.1",

examples/getstarted/package.json

@@ -28,8 +28,8 @@
     "mysql2": "3.6.2",
     "passport-google-oauth2": "0.2.0",
     "pg": "8.11.1",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "rc",
+    "react-dom": "rc",
     "react-intl": "6.6.2",
     "react-router-dom": "6.22.3",
     "strapi-plugin-workspace-plugin": "workspace:*",

examples/kitchensink-ts/package.json

@@ -17,8 +17,8 @@
     "@strapi/plugin-users-permissions": "5.0.0-beta.7",
     "@strapi/strapi": "5.0.0-beta.7",
     "better-sqlite3": "9.4.3",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "rc",
+    "react-dom": "rc",
     "react-router-dom": "6.22.3",
     "styled-components": "6.1.8"
   },

examples/kitchensink/package.json

@@ -22,8 +22,8 @@
     "mysql2": "3.6.2",
     "passport-google-oauth2": "0.2.0",
     "pg": "8.11.1",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "rc",
+    "react-dom": "rc",
     "react-router-dom": "6.22.3",
     "styled-components": "6.1.8"
   },

package.json

@@ -75,7 +75,9 @@
     "test:unit:watch": "run test:unit --watch"
   },
   "resolutions": {
-    "@types/koa": "2.13.4"
+    "@types/koa": "2.13.4",
+    "@types/react": "npm:types-react@beta",
+    "@types/react-dom": "npm:types-react-dom@beta"
   },
   "devDependencies": {
     "@babel/core": "^7.20.12",
@@ -94,9 +96,8 @@
     "@types/fs-extra": "11.0.4",
     "@types/git-url-parse": "9.0.3",
     "@types/prompts": "2.4.9",
-    "@types/react": "18.2.66",
-    "@types/react-dom": "18.2.22",
-    "@types/styled-components": "5.1.34",
+    "@types/react": "npm:types-react@beta",
+    "@types/react-dom": "npm:types-react-dom@beta",
     "@typescript-eslint/eslint-plugin": "6.7.3",
     "@typescript-eslint/parser": "6.7.3",
     "babel-eslint": "10.1.0",
@@ -119,6 +120,7 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^5.1.3",
     "eslint-plugin-react": "^7.33.2",
+    "eslint-plugin-react-compiler": "0.0.0-experimental-53bb89e-20240515",
     "eslint-plugin-react-hooks": "^4.6.0",
     "eslint-plugin-rxjs": "5.0.3",
     "eslint-plugin-testing-library": "6.0.2",

packages/core/admin/admin/src/components/Context.tsx

@@ -17,7 +17,6 @@ function createContext<ContextValueType extends object | null>(
   const Provider = (props: ContextValueType & { children: React.ReactNode }) => {
     const { children, ...context } = props;
     // Only re-memoize when prop values change
-    // eslint-disable-next-line react-hooks/exhaustive-deps
     const value = React.useMemo(() => context, Object.values(context)) as ContextValueType;
     return <Context.Provider value={value}>{children}</Context.Provider>;
   };

packages/core/admin/admin/src/components/DescriptionComponentRenderer.tsx

@@ -93,7 +93,6 @@ const DescriptionComponentRenderer = <Props, Description>({
      * the `ids` will most likely be stable unless we get new actions, but we can't respond to the Description
      * Component changing the ref data in any other way.
      */
-    // eslint-disable-next-line react-hooks/exhaustive-deps
     [ids, tick]
   );
 
@@ -175,7 +174,6 @@ const useShallowCompareMemoize = <T,>(value: T): Array<T | undefined> => {
 };
 
 const useShallowCompareEffect = (callback: React.EffectCallback, dependencies?: unknown) => {
-  // eslint-disable-next-line react-hooks/exhaustive-deps -- the linter isn't able to see that deps are properly handled here
   React.useEffect(callback, useShallowCompareMemoize(dependencies));
 };
 

packages/core/admin/admin/src/components/Form.tsx

@@ -446,7 +446,7 @@ const Form = React.forwardRef<HTMLFormElement, FormProps>(
   }
 ) as <TFormValues extends FormValues>(
   p: FormProps<TFormValues> & { ref?: React.Ref<HTMLFormElement> }
-) => React.ReactElement; // we've cast this because we need the generic to infer the type of the form values.
+) => React.ReactElement<any>; // we've cast this because we need the generic to infer the type of the form values.
 
 /**
  * @internal

packages/core/admin/admin/src/components/Layouts/HeaderLayout.tsx

@@ -139,8 +139,8 @@ HeaderLayout.displayName = 'HeaderLayout';
  */
 const useElementOnScreen = <TElement extends HTMLElement = HTMLElement>(
   options?: IntersectionObserverInit
-): [containerRef: React.RefObject<TElement>, isVisible: boolean] => {
-  const containerRef = React.useRef<TElement>(null);
+): [containerRef: React.RefObject<TElement | null>, isVisible: boolean] => {
+  const containerRef = React.useRef<TElement | null>(null);
 
   const [isVisible, setIsVisible] = React.useState<boolean>(true);
 
@@ -153,7 +153,7 @@ const useElementOnScreen = <TElement extends HTMLElement = HTMLElement>(
     const observer = new IntersectionObserver(callback, options);
 
     if (containerEl) {
-      observer.observe(containerRef.current);
+      observer.observe(containerRef.current as TElement);
     }
 
     return () => {
@@ -170,7 +170,7 @@ const useElementOnScreen = <TElement extends HTMLElement = HTMLElement>(
  * useResizeObserver: hook that observes the size of an element and calls a callback when it changes.
  */
 const useResizeObserver = (
-  sources: React.RefObject<HTMLElement> | React.RefObject<HTMLElement>[],
+  sources: React.RefObject<HTMLElement | null> | React.RefObject<HTMLElement | null>[],
   onResize: ResizeObserverCallback
 ) => {
   const handleResize = useCallbackRef(onResize);

packages/core/admin/admin/src/components/PluginsInitializer.tsx

@@ -11,14 +11,10 @@ import { StrapiAppContextValue, useStrapiApp } from '../features/StrapiApp';
  */
 const PluginsInitializer = ({ children }: { children: React.ReactNode }) => {
   const appPlugins = useStrapiApp('PluginsInitializer', (state) => state.plugins);
-  const [{ plugins }, dispatch] = React.useReducer<React.Reducer<State, Action>, State>(
-    reducer,
-    initialState,
-    () => init(appPlugins)
-  );
-  const setPlugin = React.useRef((pluginId: string) => {
+  const [{ plugins }, dispatch] = React.useReducer(reducer, initialState, () => init(appPlugins));
+  const setPlugin = React.useCallback((pluginId: string) => {
     dispatch({ type: 'SET_PLUGIN_READY', pluginId });
-  });
+  }, []);
 
   const hasApluginNotReady = Object.keys(plugins).some(
     (plugin) => plugins[plugin].isReady === false
@@ -47,26 +43,26 @@ const PluginsInitializer = ({ children }: { children: React.ReactNode }) => {
    *
    */
 
-  if (hasApluginNotReady) {
-    const initializers = Object.keys(plugins).reduce((acc, current) => {
-      const InitializerComponent = plugins[current].initializer;
+  // if (hasApluginNotReady) {
+  //   const initializers = Object.keys(plugins).reduce((acc, current) => {
+  //     const InitializerComponent = plugins[current].initializer;
 
-      if (InitializerComponent) {
-        const key = plugins[current].pluginId;
+  //     if (InitializerComponent) {
+  //       const key = plugins[current].pluginId;
 
-        acc.push(<InitializerComponent key={key} setPlugin={setPlugin.current} />);
-      }
+  //       acc.push(<InitializerComponent key={key} setPlugin={setPlugin} />);
+  //     }
 
-      return acc;
-    }, [] as React.ReactNode[]);
+  //     return acc;
+  //   }, [] as React.ReactNode[]);
 
-    return (
-      <>
-        {initializers}
-        <Page.Loading />
-      </>
-    );
-  }
+  //   return (
+  //     <>
+  //       {initializers}
+  //       <Page.Loading />
+  //     </>
+  //   );
+  // }
 
   return children;
 };

packages/core/admin/admin/src/hooks/usePrev.ts

@@ -1,7 +1,7 @@
 import { useEffect, useRef } from 'react';
 
 export const usePrev = <T>(value: T): T | undefined => {
-  const ref = useRef<T>();
+  const ref = useRef<T>(undefined);
 
   useEffect(() => {
     ref.current = value;

packages/core/admin/admin/src/layouts/AuthenticatedLayout.tsx

@@ -22,7 +22,6 @@ import { useAuth } from '../features/Auth';
 import { useConfiguration } from '../features/Configuration';
 import { useTracking } from '../features/Tracking';
 import { useMenu } from '../hooks/useMenu';
-import { useOnce } from '../hooks/useOnce';
 import { useInformationQuery } from '../services/admin';
 import { hashAdminUserEmail } from '../utils/users';
 
@@ -100,9 +99,9 @@ const AdminLayout = () => {
    * and not at runtime for example when regenerating the permissions with the ctb
    * or with i18n
    */
-  useOnce(() => {
+  React.useEffect(() => {
     trackUsage('didAccessAuthenticatedAdministration');
-  });
+  }, [trackUsage]);
 
   // We don't need to wait for the release query to be fetched before rendering the plugins
   // however, we need the appInfos and the permissions

packages/core/admin/admin/src/pages/Auth/components/ResetPassword.tsx

@@ -5,7 +5,7 @@ import { useIntl } from 'react-intl';
 import { NavLink, useNavigate, Navigate, useLocation } from 'react-router-dom';
 import * as yup from 'yup';
 
-import { ResetPassword } from '../../../../../shared/contracts/authentication';
+import { ResetPassword as ResetPasswordContract } from '../../../../../shared/contracts/authentication';
 import { Form } from '../../../components/Form';
 import { InputRenderer } from '../../../components/FormInputs/Renderer';
 import { Logo } from '../../../components/UnauthenticatedLogo';
@@ -73,7 +73,7 @@ const ResetPassword = () => {
 
   const [resetPassword, { error }] = useResetPasswordMutation();
 
-  const handleSubmit = async (body: ResetPassword.Request['body']) => {
+  const handleSubmit = async (body: ResetPasswordContract.Request['body']) => {
     const res = await resetPassword(body);
 
     if ('data' in res) {

packages/core/admin/admin/src/pages/Settings/pages/ApiTokens/ListView.tsx

@@ -15,7 +15,6 @@ import { useTypedSelector } from '../../../../core/store/hooks';
 import { useNotification } from '../../../../features/Notifications';
 import { useTracking } from '../../../../features/Tracking';
 import { useAPIErrorHandler } from '../../../../hooks/useAPIErrorHandler';
-import { useOnce } from '../../../../hooks/useOnce';
 import { useRBAC } from '../../../../hooks/useRBAC';
 import { useDeleteAPITokenMutation, useGetAPITokensQuery } from '../../../../services/apiTokens';
 import { API_TOKEN_TYPE } from '../../components/Tokens/constants';
@@ -83,11 +82,11 @@ export const ListView = () => {
     label: formatMessage(header.label),
   }));
 
-  useOnce(() => {
+  React.useEffect(() => {
     trackUsage('willAccessTokenList', {
       tokenType: API_TOKEN_TYPE,
     });
-  });
+  }, [trackUsage]);
 
   const { data: apiTokens = [], isLoading, error } = useGetAPITokensQuery();
 

packages/core/admin/admin/src/pages/Settings/pages/TransferTokens/ListView.tsx

@@ -14,7 +14,6 @@ import { useTypedSelector } from '../../../../core/store/hooks';
 import { useNotification } from '../../../../features/Notifications';
 import { useTracking } from '../../../../features/Tracking';
 import { useAPIErrorHandler } from '../../../../hooks/useAPIErrorHandler';
-import { useOnce } from '../../../../hooks/useOnce';
 import { useRBAC } from '../../../../hooks/useRBAC';
 import {
   useDeleteTransferTokenMutation,
@@ -80,11 +79,11 @@ const ListView = () => {
     navigate({ search: qs.stringify({ sort: 'name:ASC' }, { encode: false }) });
   }, [navigate]);
 
-  useOnce(() => {
+  React.useEffect(() => {
     trackUsage('willAccessTokenList', {
       tokenType: TRANSFER_TOKEN_TYPE,
     });
-  });
+  }, [trackUsage]);
 
   const headers = tableHeaders.map((header) => ({
     ...header,

packages/core/admin/admin/tests/utils.tsx

@@ -210,7 +210,7 @@ export interface RenderOptions {
  * for use of testing components within the Strapi Admin.
  */
 const render = (
-  ui: React.ReactElement,
+  ui: React.ReactElement<any>,
   { renderOptions, userEventOptions, initialEntries, providerOptions }: RenderOptions = {}
 ): RenderResult & { user: ReturnType<typeof userEvent.setup> } => {
   const { wrapper: Wrapper = fallbackWrapper, ...restOptions } = renderOptions ?? {};

packages/core/admin/package.json

@@ -156,8 +156,8 @@
     "@types/sanitize-html": "2.11.0",
     "@vitejs/plugin-react-swc": "3.6.0",
     "koa-body": "6.0.1",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "rc",
+    "react-dom": "rc",
     "react-router-dom": "6.22.3",
     "styled-components": "6.1.8",
     "vite": "5.1.6",

packages/core/content-manager/admin/src/components/ConfigurationForm/Fields.tsx

@@ -337,13 +337,15 @@ const Field = ({ attribute, components, name, index, onMoveField, onRemoveField
     dragPreviewRef(getEmptyImage(), { captureDraggingState: false });
   }, [dragPreviewRef]);
 
+  // @ts-expect-error – issue with react-dnd with react19 types
   const composedRefs = useComposedRefs<HTMLSpanElement>(dragRef, objectRef);
 
   const handleRemoveField: React.MouseEventHandler<HTMLButtonElement> = (e) => {
     e.stopPropagation();
     onRemoveField(e);
   };
 
+  // @ts-expect-error – issue with react-dnd with react19 types
   const tempRefs = useComposedRefs<HTMLSpanElement>(dropRef, objectRef);
 
   if (!value) {
@@ -361,6 +363,7 @@ const Field = ({ attribute, components, name, index, onMoveField, onRemoveField
         background="neutral100"
         hasRadius
         style={{ opacity: isDragging ? 0.5 : 1 }}
+        // @ts-expect-error – issue with react-dnd with react19 types
         ref={dropRef}
         gap={3}
         cursor="pointer"

packages/core/content-manager/admin/src/components/FieldTypeIcon.tsx

@@ -21,7 +21,7 @@ import {
 
 import type { Schema } from '@strapi/types';
 
-const iconByTypes: Record<Schema.Attribute.Kind, React.ReactElement> = {
+const iconByTypes: Record<Schema.Attribute.Kind, React.ReactElement<any>> = {
   biginteger: <NumberField />,
   boolean: <BooleanField />,
   date: <DateField />,

packages/core/content-manager/admin/src/history/components/tests/VersionsList.test.tsx

@@ -14,7 +14,7 @@ const LocationDisplay = () => {
   return <span data-testid="location">{location.search}</span>;
 };
 
-const render = (ui: React.ReactElement) =>
+const render = (ui: React.ReactElement<any>) =>
   renderRTL(ui, {
     renderOptions: {
       wrapper({ children }) {

packages/core/content-manager/admin/src/hooks/useDragAndDrop.ts

@@ -49,7 +49,7 @@ type UseDragAndDropReturn<E extends Element = HTMLElement> = [
     isOverDropTarget: boolean;
     direction: (typeof DIRECTIONS)[keyof typeof DIRECTIONS] | null;
   },
-  objectRef: React.RefObject<E>,
+  objectRef: React.RefObject<E | null>,
   dropRef: ConnectDropTarget,
   dragRef: ConnectDragSource,
   dragPreviewRef: ConnectDragPreview,

packages/core/content-manager/admin/src/hooks/usePrev.ts

@@ -1,7 +1,7 @@
 import { useEffect, useRef } from 'react';
 
 export const usePrev = <T>(value: T): T | undefined => {
-  const ref = useRef<T>();
+  const ref = useRef<T>(undefined);
 
   useEffect(() => {
     ref.current = value;