Trying a shared worker work around.

src/KonvaApp/SharedWorkers/Diffusion/DiffusionSharedWorkerClient.ts

@@ -3,7 +3,7 @@ import {
   SharedWorkerResponse,
 } from "~/KonvaApp/WorkerPrimitives/SharedWorkerBase";
 import { ResponseType } from "~/KonvaApp/WorkerPrimitives/SharedWorkerBase";
-
+import diffusionWorkerURL from "~/KonvaApp/SharedWorkers/Diffusion/DiffusionSharedWorker.ts?worker&url";
 export class DiffusionSharedWorkerClient<
   DiffusionSharedWorkerItemData,
   DiffusionSharedWorkerResponseData,
@@ -32,12 +32,13 @@ export class DiffusionSharedWorkerClient<
         type: "module",
       });
     } else {
-      this.sharedWorker = new SharedWorker(
-        new URL(workerPath, import.meta.url),
-        {
-          type: "module",
-        },
-      );
+      // in production this is a work around .. https://github.com/vitejs/vite/issues/13680
+      const js = `import ${JSON.stringify(new URL(diffusionWorkerURL, import.meta.url))}`;
+      const blob = new Blob([js], { type: "application/javascript" });
+      const objURL = URL.createObjectURL(blob);
+      this.sharedWorker = new SharedWorker(new URL(objURL, import.meta.url), {
+        type: "module",
+      });
     }
     this.port = this.sharedWorker.port;
     this.port.onmessage = this.onMessage.bind(this);