Astro dev exits with code 1: Expected argument jsonString to be a string, got object

[chribjel]

What version of Bun is running?

1.2.2+c1708ea6a

What platform is your computer?

Linux 5.15.123.1-microsoft-standard-WSL2 x86_64 x86_64

What steps can reproduce the bug?

1. bun create astro@latest
2. use docs template
3. bun install
4. bun --bun run dev

Or use this repro-repo: https://github.com/chribjel/astro-bun-test

What is the expected behavior?

It should work

What do you see instead?

$ bun --bun run dev
$ astro dev
Expected argument `jsonString` to be a `string`, got `object`
  Location:
    /home/chribjel/documents/other/astro-bun-test/node_modules/@expressive-code/core/dist/index.js:2535:15
  Stack trace:
    at stripJsonComments (/home/chribjel/documents/other/astro-bun-test/node_modules/@expressive-code/core/dist/index.js:2535:15)
    at <anonymous> (/home/chribjel/documents/other/astro-bun-test/node_modules/@astrojs/starlight/integrations/expressive-code/theming.ts:25:53)
    at <anonymous> (/home/chribjel/documents/other/astro-bun-test/node_modules/@astrojs/starlight/integrations/expressive-code/index.ts:93:18)
    at processTicksAndRejections (native:7:39)
error: script "dev" exited with code 1

Additional information

No response