example cont stack wat

t.js

@@ -0,0 +1,18 @@
+const imports = {
+    guppy: {
+        print: (arg) => console.log (arg)
+    }
+}
+
+// Assume add.wasm file exists that contains a single function adding 2 provided arguments
+const fs = require('node:fs');
+
+// Use the readFileSync function to read the contents of the "add.wasm" file
+const wasmBuffer = fs.readFileSync('u.wasm');
+
+// Use the WebAssembly.instantiate method to instantiate the WebAssembly module
+WebAssembly.instantiate(wasmBuffer, imports).then(wasmModule => {
+    // Exported function lives under instance.exports object
+    const { main } = wasmModule.instance.exports;
+    main ()
+});