From 39b15af5b0b152035feb1fda72b404c289737e50 Mon Sep 17 00:00:00 2001
From: Colin Dawson <me@cjdawson.com>
Date: Tue, 17 Mar 2026 21:09:32 +0000
Subject: [PATCH] Fixed the sso auto login with the htmlisland, and also fixed
 the extremely slow page reloads in development mode.

---
 package.json                         |  2 +-
 src/components/common/HtmlIsland.tsx | 11 +++++++++++
 vite.config.ts                       |  2 +-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index ad2f50b..ae6e2cf 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
   "devDependencies": {
     "@types/node": "^25.3.0",
     "@types/react-toggle": "^4.0.5",
-    "@vitejs/plugin-react": "^5.1.4",
+    "@vitejs/plugin-react-swc": "^4.3.0",
     "i18n-unused": "^0.19.0",
     "typescript": "^5.9.3",
     "vite": "^7.3.1"
diff --git a/src/components/common/HtmlIsland.tsx b/src/components/common/HtmlIsland.tsx
index 1bb69a4..0129f59 100644
--- a/src/components/common/HtmlIsland.tsx
+++ b/src/components/common/HtmlIsland.tsx
@@ -31,6 +31,17 @@ const HtmlIsland: React.FC<HtmlIslandProps> = ({
     ): Promise<string> => {
       try {
         const r = await fetch(url, { credentials: "include" });
+        const contentType = r.headers.get("Content-Type") ?? "";
+
+        if (contentType.includes("application/json")) {
+          const json = await r.json();
+
+          if (json.redirectTo) {
+            window.location.assign(json.redirectTo);
+            return "";
+          }
+        }
+
         if (!r.ok) throw new Error(`Failed to load island: ${r.status}`);
         return await r.text();
       } catch (err) {
diff --git a/vite.config.ts b/vite.config.ts
index a25bb64..77e2396 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,5 +1,5 @@
 import { defineConfig } from "vite";
-import react from "@vitejs/plugin-react";
+import react from "@vitejs/plugin-react-swc";
 
 export default defineConfig({
   plugins: [react()],