Cloudflare adapter: Unknown file extension ".wasm" on local but works on Cloudflare Pages.

[vikas5914]

Astro Info

Astro                    v4.16.9
Node                     v22.10.0
System                   macOS (arm64)
Package Manager          npm
Output                   hybrid
Adapter                  @astrojs/cloudflare
Integrations             none

Describe the Bug

Hi,

I am trying to generate OG images using @cloudflare/pages-plugin-vercel-og and the Astro endpoint.

While running in local dev, I am getting this error:

Unknown file extension ".wasm" for /Users/vikaskapadiya/Project/personal/test-og-image/node_modules/@cloudflare/pages-plugin-vercel-og/dist/src/api/yoga.wasm

However, Running wrangler pages dev ./dist or deploying the project to Cloudflare pages works without any issue.

Live demo: https://astro-cloudflare-og-image.pages.dev/og/

What's the expected result?

It should work locally. According to the adapter docs, the Cloudflare adapter supports these files. (https://docs.astro.build/en/guides/integrations-guide/cloudflare/#cloudflare-module-imports)

Link to Minimal Reproducible Example

https://github.com/vikas5914/astro-cloudflare-og-image

Participation

• I am willing to submit a pull request for this issue.

[kumardeo]

Any updates?
The adapter resolves wasm imports in src directory but it doesn't if a package imports it internally.

While wrangler resolves both.