Describe the bug

For some specific reason, I had to start the project using Vite in the production environment. At this point, I set config.server.hmr to false in an attempt to avoid unnecessary overhead in the production environment. However, I found that when set to false, the page still creates websocket requests and sends ping messages periodically. However, when the server firewall does not open the default port 24678, the Websocket fails to connect, which triggers a shutdown event and causes the page to auto-refresh over and over again. The Websocket connection seemed useless when config.server.hmr was set to false, so I made some changes to avoid creating a Websocket connection in this case.

Reproduction

https://github.com/MarryDream/vite-hmr-demo

Steps to reproduce

npm i
npm start

Please deploy to a production server for testing，allow port 11451 on the firewall and access http://ip:11451. But do not allow port 24678

System Info

System:
    OS: Linux 3.10 CentOS Linux 7 (Core)
    CPU: (2) x64 Intel(R) Xeon(R) Gold 6133 CPU @ 2.50GHz
    Memory: 2.83 GB / 7.64 GB
    Container: Yes
    Shell: 4.2.46 - /bin/bash
  Binaries:
    Node: 16.14.0 - /opt/node/v16.14.0/bin/node
    npm: 8.3.1 - /opt/node/v16.14.0/bin/npm
    pnpm: 8.6.10 - /opt/node/v16.14.0/bin/pnpm
  npmPackages:
    @vitejs/plugin-vue: ^4.2.3 => 4.2.3 
    vite: ^4.4.7 => 4.4.7

Used Package Manager

npm

Logs

No response

Validations

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• The provided reproduction is a minimal reproducible example of the bug.