[Question] javascript/typescript/wasm support

[ArturJS]

@dstrain115
Firstly, I must admit that this is a great library. Thanks a lot!
Secondly, I have a few questions:

• Do you plan to implement javascript/typescript, say, Cirq.js library in order to have a huge community of javascript devs?
• if you're not really sure about separated javascript library, what do you think about something akin to https://github.com/quantastica/qconvert-js in order to have a javascript representation of this library that can we easily converted to *.py and can be run on Python?
• If both above is not feasible, apparently worth it considering the usage of Pyodide in order to have a portable WASM library?

[dstrain115]

There are no current plans to convert Cirq to javascript.

In terms of inter-operability with other quantum languages, Cirq already has output to QASM and plans to have interoperability with quil.

[ArturJS]

@dstrain115 Ok, thanks for the information!
Closing as resolved.

[vtomole]

Hey @ArturJS. We kind of have this. We support Quirk. See https://github.com/quantumlib/Cirq/tree/master/cirq/contrib/quirk.

[vtomole]

I reopened this issue so you can try out the Quirk support. Please let us know if it does what you are looking for.

[ArturJS]

@vtomole Wow, didn't know about that.
I'm gonna try out it the next week, when I have spare time for implementing a small prototype with this.
Thanks!

[alexandrupaler]

I think the goal of ArturJS would be to fully run Cirq in the browser as a webassembly package.

Would be interesting to see working, and pyodide certainly would help. Performance of Cirq would however be unknown, but maybe not really a dramatic decrease. With eg Quirk as frontend the use cases would exist.

For example, I ported pyzx to pyodide and experimented with combing in the browser C++ code for circuit compilation to use quirk as frontend. All code below still experimental.

[1] https://quantumresource.github.io/zxQentiana/
[2] https://alexandrupaler.github.io/quantjs/

[ArturJS]

@alexandrupaler Thanks a lot for the useful links!
Btw, I've found one more)
https://github.com/joastbg/quant-js

[alexandrupaler]

Indeed there are more projects doing quantum-something with webassembly. A useful use case could be where GUI and framework are joined.

[ArturJS]

@alexandrupaler Yeah, cannot wait when I have time to connect this with https://www.tensorflow.org/quantum
Hope it will exponentially decrease the time for at least some machine learning approaches in the near future =)

[vtomole]

@ArturJS I do like the idea of having a https://www.tensorflow.org/js combined with Cirq.js or something. As @dstrain115 said, we currently don't have the resources to get into this. If you want to implement it, that would be awesome.

[ArturJS]

@vtomole

" https://www.tensorflow.org/js combined with Cirq.js" - hmm, sounds very interesting =)

I'll create a basic setup for the project and will let you know about the progress.