Add WASM support

[sheerun]

This PR adds proper WASM support with tests

[dlech]

Can you explain what you consider to be "proper" WASM support?

[sheerun]

currently it just doesn't work, you can check it with test attached

[ukstv]

Hey, CRA team, could you really include this? It has been over a year already, there is a ton of useful WASM NPM packages out there and CRA still fails miserably to build it out of the box.

[ukstv]

What is missing here?

[johnleetran]

I am in agreement with @usktv. It would be great if create-react-app works out of the box with WASM. I'm running into some painful WASM integration with my an app that was created from the create-react-app.

FYI, using a vanilla react app (without create-react-app) is really easy to use WASM and i hope it'll be easy with create-react-app generator

[parthopdas]

Hey @ianschmitz @iansu @mrmckeb @petetnt - can you please update the thread with the reason for this not getting through yet? What else needs to be done?

It is such a pain to consume wasm from CRA today.

[vestini]

In fact it is true (@parthopdas) in the end a simple rule on the webpack would be enough or rather a solution in parcel style.
https://parceljs.org/webAssembly.html
Hopefully this feature will arrive soon. I'm tired of always using react-app-rewired to rewrite everything.