fix: add optimize deps hach in the plugin

Author: AleksandrSl

cmp/compiler/package.json

@@ -143,7 +143,7 @@
     "tsdown": "^0.16.5",
     "tsx": "^4.19.2",
     "typescript": "^5.9.3",
-    "unplugin": "^2.3.10",
+    "unplugin": "^2.3.11",
     "vitest": "^4.0.13"
   },
   "dependencies": {

cmp/compiler/src/plugin/unplugin.ts

@@ -136,6 +136,15 @@ export const lingoUnplugin = createUnplugin<
     enforce: "pre", // Run before other plugins (especially before React plugin)
 
     vite: {
+      // Vite handles deep merge
+      config() {
+        // Required for custom virtual like modules to be resolved; otherwise they are bundled with raw source code.
+        return {
+          optimizeDeps: {
+            exclude: ["@lingo.dev/compiler"],
+          },
+        };
+      },
       async buildStart() {
         const metadataFilePath = getMetadataPath();
 

cmp/demo/vite-react-spa/vite.config.ts

@@ -29,9 +29,6 @@ export default defineConfig({
     viteReact(),
     tailwindcss(),
   ],
-  optimizeDeps: {
-    exclude: ["@lingo.dev/compiler"],
-  },
   resolve: {
     alias: {
       "@": fileURLToPath(new URL("./src", import.meta.url)),