What versions & operating system are you using?

MacOS, wrangler@4.16.1, @cloudflare/vite-plugin@1.2.4

Please provide a link to a minimal reproduction

https://github.com/threepointone/test-wrangler-vite-spa-routing-patterns

Describe the Bug

There are some bugs with routing patterns with both wrangler and the vite plugin when run in "singlae page app mode". I made a repro here https://github.com/threepointone/test-wrangler-vite-spa-routing-patterns, but including the results in this issue as well.

Assume we have an assets directory that looks like this:

public/
  index.html
  xyz.html
  abc/
    index.html
    def.html

with a configuration (as in wrangler.jsonc) that looks like this:

{
  // ...
  "assets": {
    "directory": "public",
    "not_found_handling": "single-page-application"
  }
}

Here's a table of paths, expected files to be loaded, and what files actually get loaded.

Please provide any relevant error logs

No response