WASI is an API providing access to the external world to WebAssembly modules.
WASA is an effort to expose the WASI standard set of system calls to AssemblyScript.
Example usage of the Console and Environ classes:
import { Console, Environ } from "../node_modules/wasa/assembly";
let env = new Environ();
let home = env.get("HOME")!;
Console.log(home);