[@cloudflare/vite-plugin] Updating vite.config.ts breaks the dev server

[magne4000]

What versions & operating system are you using?

  System:
    OS: Linux 6.18 CachyOS Linux
    CPU: (16) x64 AMD Ryzen 7 5800X 8-Core Processor
    Memory: 19.11 GB / 31.25 GB
    Container: Yes
    Shell: 4.4.0 - /bin/fish
  Binaries:
    Node: 24.13.0 - /home/magne/.local/share/mise/installs/node/24.13.0/bin/node
    Yarn: 1.22.22 - /home/magne/.local/share/mise/installs/node/24.13.0/bin/yarn
    npm: 11.6.2 - /home/magne/.local/share/mise/installs/node/24.13.0/bin/npm
    pnpm: 10.28.0 - /home/magne/.local/share/mise/installs/node/24.13.0/bin/pnpm
    bun: 1.3.5 - /usr/bin/bun
    Deno: 2.6.5 - /usr/bin/deno
  npmPackages:
    @cloudflare/vite-plugin: ^1.24.0 => 1.24.0 
    wrangler: ^4.64.0 => 4.64.0 

Please provide a link to a minimal reproduction

https://developers.cloudflare.com/workers/vite-plugin/get-started/

Describe the Bug

Starting with a fresh project, after starting the dev server (pnpm run dev), if I update vite.config.ts by adding a blank line, I then get an error, and the dev server is unresponsive.
It sometimes does work though, like 5% of the time.

Please provide any relevant error logs

16:20:21 [vite] Unexpected token 'E', "Error: Par"... is not valid JSON
16:20:21 [vite] server restart failed
Port 5173 is in use, trying another one...
16:20:21 [vite] server restarted.

  ➜  Local:   http://localhost:5174/
  ➜  Network: use --host to expose
  ➜  Debug:   http://localhost:5174/__debug
16:20:29 [vite] Internal server error: Expected `miniflare` to be defined
      at get miniflare (file:///home/magne/workspace/repro/cf/node_modules/.pnpm/@cloudflare+vite-plugin@1.24.0_vite@7.3.1_workerd@1.20260210.0_wrangler@4.64.0/node_modules/@cloudflare/vite-plugin/dist/index.mjs:1734:3)
      at file:///home/magne/workspace/repro/cf/node_modules/.pnpm/@cloudflare+vite-plugin@1.24.0_vite@7.3.1_workerd@1.20260210.0_wrangler@4.64.0/node_modules/@cloudflare/vite-plugin/dist/index.mjs:26345:18
      at file:///home/magne/workspace/repro/cf/node_modules/.pnpm/@cloudflare+vite-plugin@1.24.0_vite@7.3.1_workerd@1.20260210.0_wrangler@4.64.0/node_modules/@cloudflare/vite-plugin/dist/index.mjs:1593:25
      at call (file:///home/magne/workspace/repro/cf/node_modules/.pnpm/vite@7.3.1/node_modules/vite/dist/node/chunks/config.js:10605:5)
      at next (file:///home/magne/workspace/repro/cf/node_modules/.pnpm/vite@7.3.1/node_modules/vite/dist/node/chunks/config.js:10558:4)
      at viteServeStaticMiddleware (file:///home/magne/workspace/repro/cf/node_modules/.pnpm/vite@7.3.1/node_modules/vite/dist/node/chunks/config.js:22431:143)
      at call (file:///home/magne/workspace/repro/cf/node_modules/.pnpm/vite@7.3.1/node_modules/vite/dist/node/chunks/config.js:10605:5)
      at next (file:///home/magne/workspace/repro/cf/node_modules/.pnpm/vite@7.3.1/node_modules/vite/dist/node/chunks/config.js:10558:4)
      at viteServeRawFsMiddleware (file:///home/magne/workspace/repro/cf/node_modules/.pnpm/vite@7.3.1/node_modules/vite/dist/node/chunks/config.js:22484:10)
      at call (file:///home/magne/workspace/repro/cf/node_modules/.pnpm/vite@7.3.1/node_modules/vite/dist/node/chunks/config.js:10605:5)