Give a default function name if not provided

deno_server.ts

@@ -50,7 +50,12 @@ async function handler(req: Request): Promise<Response> {
 
   try {
     const body = await req.json();
-    const { code = "", request = {}, environment = {}, name } = body;
+    const {
+      code = "",
+      request = {},
+      environment = {},
+      name = "userFunc",
+    } = body;
 
     const executionPromise = new Promise((resolve, reject) => {
       availableWorker.worker.onmessage = (e) => {