How to pass more messages to existing worker in 'old Emscripten Worker API' ? and is there Linker flag to pack worker.js to single file?

[Maksons]

Hello to all,

First of all, I tried use Emscripten Worker API with manual base64 unpacking and integrating to single file.
It worked for me and I could start task with initial data, even return multiple results.
But I didn't find a way to pass more data to sleeping existing worker?
I see need for one more extra function to pass more messages to worker.
And would be happy to hear better way or tools to integrate multiple JavaScripts to single HTML file.

I used:

<script type="text/js-worker">
// Worker script
</script>

and

const blob = new Blob( Array.prototype.map.call( document.querySelectorAll("script[type='text\/js-worker']"), (script) => script.textContent, ), { type: "text/javascript" }, );
const myWorker = new Worker(window.URL.createObjectURL(blob));

to integrate Worker in single HTML file.

[sbc100]

By old Emscripten Worker API I assume you mean the emscripten_create_worker / emscripten_destroy_worker / emscripten_call_worker API?

To pass more messages to a worker don't you just use emscripten_call_worker after you get the response back from the previous call?

[Maksons]

Yes, you are right about old worker.
It's look like I missed something, I will try once again and get back here.

But question about how to put worker or more of them in the same single file right way stay opened :(

[sbc100]

When using that API each worker would need to be it own file, or have its own URL at least.

If you use pthreads or wasm workers you get just a single file.

[Maksons]

Yes, but I'm looking for option (linker or other tools) to put everything in single file.
I know it is doable, did it manually, reported how in first message .
So, looking for something similar to "--pre-js=" , but with parameters for <script> tag, like type= and id= and others.
Or may be new --pre-body-html=[..] , to be able apply own <scritp ...> to worker javascript file and pass it to linker for single file generation.

Unfortunately, pthreads and wasm workers require SharedArrayBuffer which do not work in single local file, so could not be used :(
Correct me if I'm wrong about wasm workers, and should try those.