In this example, author implements custom UI layer as it is described in readme "WebAssembly frontend for Vim is implemented as a new GUI frontend". Input and o

In this example, author implements custom UI layer as it is described in readme "WebAssembly frontend for Vim is implemented as a new GUI frontend". Input and output is handled in JS side but core functionality resides on WebAssembly part. I am not familiar with Vim but probably I/O is well seperated from logic code so it might be easier to modify it to work on browser but I actually don't know how it is working for other applications.