Getting error deploying Cloudflare worker

import { tanstackStart } from '@tanstack/react-start/plugin/vite'
import tailwindcss from "@tailwindcss/vite";
import { defineConfig } from 'vite'
import tsConfigPaths from 'vite-tsconfig-paths'

export default defineConfig({
   server: {
      port: 3000,
   },
   plugins: [
      tsConfigPaths({
         projects: ['./tsconfig.json'],
      }),
      tanstackStart({
         target: "cloudflare-worker"
      }),
      tailwindcss(),
   ],
})

{
   "$schema": "node_modules/wrangler/config-schema.json",
   "name": "nasimdev",
   "main": "./.output/server/index.mjs",
   "compatibility_date": "2025-04-14",
   "observability": {
      "enabled": true
   },
   "assets": {
      "directory": "./.output/public/"
   },
   "compatibility_flags": [
      "nodejs_compat"
   ]
}

✘ [ERROR] Build failed with 1 error:

  ✘ [ERROR] Unexpected external import of "node:events",
  "node:perf_hooks", "node:stream", and "node:tty".
  Your worker has no default export, which means it is assumed to be a Service Worker format Worker.
  Did you mean to create a ES Module format Worker?
  If so, try adding `export default { ... }` in your entry-point.
  See https://developers.cloudflare.com/workers/reference/migrate-to-module-workers/.
  [plugin hybrid-nodejs_compat]