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import fs from "fs";import { init, WASI } from "@wasmer/wasi";
// This is needed to load the WASI library firstawait init();
let wasi = new WASI({  env: {},  args: [],});
const buf = fs.readFileSync('../../tests/mapdir.wasm');
const module = await WebAssembly.compile(  new Uint8Array(buf));await wasi.instantiate(module, {});
wasi.fs.createDir("/a");wasi.fs.createDir("/b");
let file = wasi.fs.open("/file", {read: true, write: true, create: true});file.writeString("fileContents");file.seek(0);
let exitCode = wasi.start();let stdout = wasi.getStdoutString();
// This should print "hello world (exit code: 0)"console.log(`${stdout}(exit code: ${exitCode})`);