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kotlinlang

Does anyone have an example of using web workers with Kotlin/WASM? Not necessarily with the worker in Kotlin, but at least integrating the web worker with Kotlin code and the KMP gradle plugin.

Maybe look at SQLDelight's `WebWorkerDriver`? Not sure exactly what you're looking for.

<@U33H6SB2B> Run LLM on a different thread

Looks like they publish a raw JS library that is just a web worker and then reference it from their wasm app
<https://www.npmjs.com/package/@cashapp/sqldelight-sqljs-worker>

`internal fun jsWorker(): Worker = js("""new Worker(new URL("@cashapp/sqldelight-sqljs-worker/sqljs.worker.js", import.meta.url))""")`

Yes, although you don't have to actually publish it publicly. You can set up the node library as a folder.

<@U087YD9USPJ> Can you elaborate on how that is done?

I have an example of the module here: <https://github.com/TheKeeperOfPie/ArtistAlleyDatabase/tree/master/modules%2Falley%2Fsqldelight-worker|https://github.com/TheKeeperOfPie/ArtistAlleyDatabase/tree/master/modules%2Falley%2Fsqldelight-worker>

And its usage here: <https://github.com/TheKeeperOfPie/ArtistAlleyDatabase/blob/master/modules%2Falley%2Fbuild.gradle.kts#L90|https://github.com/TheKeeperOfPie/ArtistAlleyDatabase/blob/master/modules%2Falley%2Fbuild.gradle.kts#L90>

Nice, having a simpler project helps a lot
Is this a thing in web, where if you want to consume an API designed for a web worker, you need to set up the web worker yourself?

Not sure, I'm not that familiar with how web works. But it does seem like you can only access the APIs from inside a .js file. You can try to compile the Kotlin to JS, which is what I do for my service worker.

Yeah, that makes sense. I only need a few lines of code so I can endure the JS for that :grin:
Thanks a lot!

We support `WorkerFactory` in Seskar - it allows to create `Worker` without separate subproject creation.

<https://github.com/turansky/seskar/tree/master/tests/workers/simple-app/src/jsMain/kotlin/com/test/workers|Example>

<@U33H6SB2B> it says kotlin/js, is it for wasm?

Not for now
But If you need own workers - you will need something similar

If WASM generarate single JS for subproject - you can share implementation with separate subproject for worker