Can't run on arm-musl platform since 1.76.5

[Floppy]

Context:

• I'm building a Docker container for arm (32 bit, not 64), on an Alpine as a base image.
• Alpine uses musl instead of glibc.
• dart-sass 1.76.5 changed to @parcel/watcher for filesystem events.
• @parcel/watcher does not currently have a build for the linux-arm-musl platform.

Therefore, sass fails on 32 bit arm musl platforms.

Error: No prebuild or local build of @parcel/watcher found. Tried @parcel/watcher-linux-arm-musl. Please ensure it is installed (don't use --no-optional when installing with npm). Otherwise it is possible we don't support your platform yet.

There are a few possible solutions, I'm not sure which is best:

1. Do nothing. 32-bit is old hat, maybe this is just a "me" problem. 😄
2. Get @parcel/watcher to provide an arm-musl build. I've sent them a PR for that, but it might have problems which is why they've not done it.
3. Allow sass to use their cross-platform watcher-wasm backend if necessary. I think this will need a code change, it seems to have a different require line.
4. Only throw errors at runtime if watch mode is enabled. In my case, I'm doing a one-off compilation in the Docker build, so there's no need for file watching.

Any thoughts?

[ntkme]

You can also use the sass-embedded package as a replacement for sass, which supports the same CLI and API. It ships native dart version for arm on linux-musl.

[Floppy]

ooh, that's by far the easiest solution for my immediate problem! Thank you!

[nex3]

I think it would be reasonable to make @parcel/watcher an optional dependency.

[ntkme]

To be clear, the title of this issue is a bit misleading. The sass package itself can be installed, just that when starting up sass command or require('sass') API will fail with the error message.

#2414 should be able to fix it.

[Floppy]

@ntkme ah sorry, I may have misread the error logs I was looking at, I thought it was an installation failure. I'll update the title! Fantastic work on the fix, much appreciated! 🎉

[Floppy]

The watcher PR got accepted as well, so that now has (or soon will have) an arm-musl build.