WebAssembly.module.exports

var exports = WebAssembly.Module.exports(module

var worker = new Worker("wasm_worker.js"

fetch('simple.wasm').then(response =>
  response.arrayBuffer()
).then(bytes =>
  WebAssembly.compile(bytes)
).then(mod =>
  worker.postMessage(mod)

var importObject = {
  imports: {
    imported_func: function(arg) {
      console.log(arg
    }
  }
};

onmessage = function(e) {
  console.log('module received from main thread'
  var mod = e.data;

  WebAssembly.instantiate(mod, importObject).then(function(instance) {
    instance.exports.exported_func(
  }

  var exports = WebAssembly.Module.exports(mod
  console.log(exports[0]
};

{ name: "exported_func", kind: "function" }