Describe the bug

Setting the server.origin property in vite.config.ts breaks tailwind JIT hmr.

Fixing the vite version to 2.5.10 fixes the issue (server.origin didn't exist so that makes sense).

Reproduction steps in the repro README: https://github.com/leevigraham/vite-hmr-issue-repro/blob/main/README.md

Reproduction

https://github.com/leevigraham/vite-hmr-issue-repro

This is the simplest repro I could make. It uses the built in vite dev server.

System Info

System:
    OS: macOS 11.6
    CPU: (8) x64 Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz
    Memory: 85.16 MB / 16.00 GB
    Shell: 5.8 - /bin/zsh
  Binaries:
    Node: 12.22.4 - /usr/local/bin/node
    npm: 6.14.14 - /usr/local/bin/npm
  Browsers:
    Chrome: 95.0.4638.54
    Edge: 90.0.818.56
    Firefox: 88.0
    Firefox Developer Edition: 94.0
    Safari: 15.0
    Safari Technology Preview: 15.4
  npmPackages:
    vite: ^2.6.4 => 2.6.10 

Used Package Manager

npm

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to https://github.com/vuejs/vue-next instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.