Merge pull request #322 from Coffey-Labs/vite-8

Move the build to vite 8, and chunk the way rolldown wants

web/package.json

@@ -25,10 +25,10 @@
   "devDependencies": {
     "@types/react": "^19.0.10",
     "@types/react-dom": "^19.2.7",
-    "@vitejs/plugin-react": "^4.3.4",
+    "@vitejs/plugin-react": "^6.1.1",
     "jsdom": "^26.0.0",
     "typescript": "^5.7.3",
-    "vite": "^6.2.0",
+    "vite": "^8.3.0",
     "vitest": "^4.1.11"
   }
 }

web/vite.config.ts

@@ -44,11 +44,23 @@ export default defineConfig({
   build: {
     target: "es2022",
     sourcemap: false,
-    rollupOptions: {
+    rolldownOptions: {
       output: {
-        manualChunks: {
-          vendor: ["wouter", "zustand", "dompurify", "@tanstack/react-virtual"],
-          icons: ["lucide-react"],
+        /*
+         * Rolldown, which vite 8 bundles with, dropped the object form of
+         * `manualChunks` -- naming a chunk and listing the packages in it --
+         * and takes groups matched against module paths instead. Same two
+         * chunks out the other end; `icons` is listed first because groups are
+         * tried in order and the first match wins.
+         */
+        codeSplitting: {
+          groups: [
+            { name: "icons", test: /node_modules[\\/]lucide-react[\\/]/ },
+            {
+              name: "vendor",
+              test: /node_modules[\\/](wouter|zustand|dompurify|@tanstack[\\/]react-virtual)[\\/]/,
+            },
+          ],
         },
       },
     },