React 19 support (#818)

frontend/src/components/QuickAccessVisibleState.tsx

@@ -1,10 +1,10 @@
-import { FC, ReactNode, createContext, useContext, useState } from 'react';
+import { FC, PropsWithChildren, createContext, useContext, useState } from 'react';
 
 const QuickAccessVisibleState = createContext<boolean>(false);
 
 export const useQuickAccessVisible = () => useContext(QuickAccessVisibleState);
 
-export const QuickAccessVisibleStateProvider: FC<{ tab: any; children: ReactNode }> = ({ children, tab }) => {
+export const QuickAccessVisibleStateProvider: FC<PropsWithChildren<{ tab: any }>> = ({ children, tab }) => {
   const initial = tab.initialVisibility;
   const [visible, setVisible] = useState<boolean>(initial);
   // HACK but i can't think of a better way to do this

frontend/src/components/WithSuspense.tsx

@@ -10,7 +10,7 @@ interface WithSuspenseProps {
 const WithSuspense: FunctionComponent<WithSuspenseProps> = (props) => {
   const propsCopy = { ...props };
   delete propsCopy.children;
-  (props.children as ReactElement)?.props && Object.assign((props.children as ReactElement).props, propsCopy); // There is probably a better way to do this but valve does it this way so ¯\_(ツ)_/¯
+  (props.children as ReactElement<any>)?.props && Object.assign((props.children as ReactElement<any>).props, propsCopy); // There is probably a better way to do this but valve does it this way so ¯\_(ツ)_/¯
   return (
     <Suspense
       fallback={

frontend/src/components/modals/filepicker/FilePickerError.tsx

@@ -1,4 +1,4 @@
-import { FC, useEffect, useState } from 'react';
+import { FC, JSX, useEffect, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { IconContext } from 'react-icons';
 import { FaExclamationTriangle, FaQuestionCircle, FaUserSlash } from 'react-icons/fa';

frontend/src/index.ts

@@ -1,8 +1,4 @@
 // Sets up DFL, then loads start.ts which starts up the loader
-interface Window {
-  // Shut up TS
-  SP_REACTDOM: any;
-}
 
 (async () => {
   console.debug('[Decky:Boot] Frontend init');
@@ -21,7 +17,19 @@ interface Window {
     // deliberate partial import
     const DFLWebpack = await import('@decky/ui/dist/webpack');
     window.SP_REACT = DFLWebpack.findModule((m) => m.Component && m.PureComponent && m.useLayoutEffect);
-    window.SP_REACTDOM = DFLWebpack.findModule((m) => m.createPortal && m.createRoot);
+    window.SP_REACTDOM =
+      DFLWebpack.findModule((m) => m.createPortal && m.createRoot) ||
+      DFLWebpack.findModule((m) => m.createPortal && m.__DOM_INTERNALS_DO_NOT_USE_OR_WARN_USERS_THEY_CANNOT_UPGRADE);
+
+    console.debug('[Decky:Boot] Setting up JSX internals...');
+    const jsx = DFLWebpack.findModule((m) => m.jsx && Object.keys(m).length == 1)?.jsx;
+    if (jsx) {
+      window.SP_JSX = {
+        jsx,
+        jsxs: jsx,
+        Fragment: window.SP_REACT.Fragment,
+      };
+    }
   }
   console.debug('[Decky:Boot] Setting up @decky/ui...');
   window.DFL = await import('@decky/ui');

frontend/src/plugin-loader.tsx

@@ -120,28 +120,6 @@ class PluginLoader extends Logger {
         <DeckyStateContextProvider deckyState={this.deckyState}>
           <FaPlug />
           <TabBadge />
-          <style>
-            {`
-              /* fixes random overscrolling in QAM */
-              .${quickAccessMenuClasses?.TabContentColumn} {
-                flex-grow: 1 !important;
-                margin-top: 0 !important;
-                margin-bottom: 0 !important;
-                justify-content: center !important;
-              }
-              .${quickAccessMenuClasses?.Tab} {
-                flex-grow: 1 !important;
-                height: unset !important;
-                --decky-qam-tab-max-height: 64px; /* make things a little easier for themers */
-                max-height: var(--decky-qam-tab-max-height) !important;
-              }
-              /* they broke the footer a while ago and forgot to update the styles LOL */
-              .${quickAccessMenuClasses?.Tabs}.${quickAccessMenuClasses.TabsWithFooter} {
-                margin-bottom: 0 !important;
-                padding-bottom: 0 !important;
-              }
-            `}
-          </style>
         </DeckyStateContextProvider>
       ),
     });

frontend/src/plugin.ts

@@ -1,3 +1,4 @@
+import type { JSX } from 'react';
 export enum PluginLoadType {
   LEGACY_EVAL_IIFE = 0, // legacy, uses legacy serverAPI
   ESMODULE_V1 = 1, // esmodule loading with modern @decky/backend apis

frontend/src/router-hook.tsx

@@ -9,7 +9,7 @@ import {
   getReactRoot,
   sleep,
 } from '@decky/ui';
-import { FC, ReactElement, ReactNode, cloneElement, createElement } from 'react';
+import { FC, JSX, ReactElement, ReactNode, cloneElement, createElement } from 'react';
 import type { Route } from 'react-router';
 
 import {
@@ -37,7 +37,7 @@ const isPatched = Symbol('is patched');
 class RouterHook extends Logger {
   private routerState: DeckyRouterState = new DeckyRouterState();
   private globalComponentsState: DeckyGlobalComponentsState = new DeckyGlobalComponentsState();
-  private renderedComponents: ReactElement[] = [];
+  private renderedComponents: ReactElement<any>[] = [];
   private Route: any;
   private DeckyGamepadRouterWrapper = this.gamepadRouterWrapper.bind(this);
   private DeckyDesktopRouterWrapper = this.desktopRouterWrapper.bind(this);
@@ -233,7 +233,7 @@ class RouterHook extends Logger {
     return <>{this.renderedComponents}</>;
   }
 
-  private gamepadRouterWrapper({ children }: { children: ReactElement }) {
+  private gamepadRouterWrapper({ children }: { children: ReactElement<any> }) {
     // Used to store the new replicated routes we create to allow routes to be unpatched.
 
     const { routes, routePatches } = useDeckyRouterState();
@@ -251,7 +251,7 @@ class RouterHook extends Logger {
     return children;
   }
 
-  private desktopRouterWrapper({ children }: { children: ReactElement }) {
+  private desktopRouterWrapper({ children }: { children: ReactElement<any> }) {
     // Used to store the new replicated routes we create to allow routes to be unpatched.
     this.debug('desktop router wrapper render', children);
     const { routes, routePatches } = useDeckyRouterState();
@@ -287,7 +287,7 @@ class RouterHook extends Logger {
     if (routes) {
       if (!routeList[routerIndex - 1]?.length || routeList[routerIndex - 1]?.length !== routes.size) {
         if (routeList[routerIndex - 1]?.length && routeList[routerIndex - 1].length !== routes.size) routerIndex--;
-        const newRouterArray: (ReactElement | JSX.Element)[] = [];
+        const newRouterArray: (ReactElement<any> | JSX.Element)[] = [];
         routes.forEach(({ component, props }, path) => {
           newRouterArray.push(
             <Route path={path} {...props}>