Need helping porting my C++ webserver application

Hi.

I made my C++ webserver app completely asynchronous (though I hope I could've done it without the global variables I used).  And someone I know on a C++ Discord group pointed me to an ASIO port for Emscripten that's already been done officially, which I used.  That's here: https://github.com/emscripten-ports/asio .  I replaced the ASIO in my Boost distribution with this.  My own code is in this repository: https://github.com/DragonOsman/currency_converter .

I'd like to know if my code can be compiled to WebAssembly as it is now or if I still have to do something to it.  Also, I'm using Visual Studio 2017 on a Windows 10 Home laptop.  Is it possible for me to compile to WebAssembly using Visual Studio?  Thanks in advance for any replies and/or help.
[https://avatars0.githubusercontent.com/u/18173932?s=400&v=4]<https://github.com/DragonOsman/currency_converter>

GitHub - DragonOsman/currency_converter: Application for Computer Science course<https://github.com/DragonOsman/currency_converter>
Google Maps + Currency Converter Web Application. Application for Computer Science course. This is a currency converter web application with the frontend and a backend.
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[https://avatars1.githubusercontent.com/u/8116924?s=400&v=4]<https://github.com/emscripten-ports/asio>

GitHub - emscripten-ports/asio<https://github.com/emscripten-ports/asio>
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