From d5239f9ca17afc88d18184161c80f4b0f1d7e929 Mon Sep 17 00:00:00 2001
From: Myles Borins <myles.borins@gmail.com>
Date: Wed, 22 May 2019 03:33:45 -0400
Subject: [PATCH] esm: basic wasm module env

---
 lib/internal/modules/esm/translators.js | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/lib/internal/modules/esm/translators.js b/lib/internal/modules/esm/translators.js
index 4ca9be4d622faa..6effdb8391be83 100644
--- a/lib/internal/modules/esm/translators.js
+++ b/lib/internal/modules/esm/translators.js
@@ -159,11 +159,25 @@ translators.set('wasm', async function(url) {
   }
 
   const imports =
-      WebAssembly.Module.imports(compiled).map(({ module }) => module);
+      WebAssembly.Module.imports(compiled).map(({ module }) => module).filter((module) => module != 'env');
   const exports = WebAssembly.Module.exports(compiled).map(({ name }) => name);
 
   return createDynamicModule(imports, exports, url, (reflect) => {
-    const { exports } = new WebAssembly.Instance(compiled, reflect.imports);
+    const env = {
+      __memory_base: 0,
+      memory: new WebAssembly.Memory({
+        initial: 512
+      }),
+      __table_base: 0,
+      table: new WebAssembly.Table({
+        initial: 0,
+        element: 'anyfunc'
+      })
+    };
+    const { exports } = new WebAssembly.Instance(compiled, {
+      ...reflect.imports,
+      env
+    });
     for (const expt of Object.keys(exports))
       reflect.exports[expt].set(exports[expt]);
   });