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import { init, WASI } from 'https://deno.land/x/wasm/wasi.ts';
// This is needed to load the WASI library firstawait init();
let wasi = new WASI({  env: {},  args: [],});
const moduleBytes = fetch("https://cdn.deno.land/wasm/versions/v1.0.1/raw/tests/mapdir.wasm");const module = await WebAssembly.compileStreaming(moduleBytes);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})`);