From 44bb023b804b0ab360214360a3947935fb41c86c Mon Sep 17 00:00:00 2001
From: AAGaming <aagaming@riseup.net>
Date: Wed, 15 Oct 2025 00:31:12 -0400
Subject: React 19 support (#818)

---
 frontend/src/index.ts | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'frontend/src/index.ts')

diff --git a/frontend/src/index.ts b/frontend/src/index.ts
index 2ee018e0..4f4ff4f7 100644
--- a/frontend/src/index.ts
+++ b/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');
-- 
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