How to static link Filament to your application and render to a WebGL canvas.
Here is the web example: https://jnmaloney.github.io/YourWebFilament/out/index.html
You will need to build Filament to be able to link to it.
Follow the Filament build instructions, you should not need to make a special build.
This project cam be built using the make command and emscripten sdk.
Check the javascript code because the GL context needs to be prepared for Filament to initialise properly.