routeRules proxy error

[ZenoHu]

Environment

mac

Reproduction

https://codesandbox.io/p/devbox/pensive-poitras-3xsl4r?embed=1&file=%2Fserver%2Fapi%2Fv1%2Fupload.post.ts

Describe the bug

1. in nuxt.config.ts

  routeRules: {
    "/proxy/**": {
      proxy: {
        to: "/api/v1/**",
      },
    },
  },

2. in upload.post.ts

import { IncomingForm } from "formidable";

export default defineEventHandler(async (event) => {
  event.node.req.on("data", (chunk) => {
    // will not log when submit to /proxy/upload
    console.log("data received", chunk);
  });

  const form = new IncomingForm({ uploadDir: "./upload" });

  form.parse(event.node.req, (_, __, files) => {
    // will not log when submit to /proxy/upload
    console.log(files);
  });

  return "success";
});

Additional context

No response

Logs

No response