first version, reviving @rsbondi's work.

webpack.config.js

@@ -0,0 +1,21 @@
+const path = require('path')
+
+module.exports = {
+  mode: 'development',
+  entry: './main.js',
+  output: {
+    path: __dirname,
+    filename: 'out.js'
+  },
+  experiments: {asyncWebAssembly: true},
+  resolve: {
+    alias: {
+      stream: 'readable-stream'
+    },
+    fallback: {
+      buffer: 'buffer/index.js',
+      stream: 'readable-stream/readable.js',
+      crypto: false
+    }
+  }
+}