import { init, WASI } from "https://deno.land/x/wasm/wasi.ts"; // This is needed to load the WASI library first await init(); const wasi = new WASI({ env: {}, args: [], }); const moduleBytes = fetch( "https://cdn.deno.land/wasm/versions/v1.0.2/raw/tests/demo.wasm", ); const module = await WebAssembly.compileStreaming(moduleBytes); await wasi.instantiate(module, {}); const exitCode = wasi.start(); const stdout = wasi.getStdoutString(); // This should print "hello world (exit code: 0)" console.log(`${stdout}(exit code: ${exitCode})`);