Support POC for classy

Author: Ives van Hoorne

packages/app/src/sandbox/eval/transpilers/babel/worker/babel-worker.js

@@ -110,6 +110,13 @@ async function initializeBrowserFS() {
         }
         fsLoading = false;
         fsInitialized = true;
+
+        // Write the empty file that we use for native modules.
+        BrowserFS.BFSRequire('fs').writeFileSync(
+          '/empty.js',
+          `module.exports = {}`
+        );
+
         resolve();
         // BrowserFS is initialized and ready-to-use!
       }

packages/app/src/sandbox/eval/transpilers/babel/worker/evaluate.js

@@ -48,6 +48,22 @@ export default function evaluate(
       return {};
     }
 
+    if (requirePath === 'os') {
+      return {};
+    }
+
+    if (requirePath === 'http') {
+      return {};
+    }
+
+    if (requirePath === 'https') {
+      return {};
+    }
+
+    if (requirePath === 'url') {
+      return {};
+    }
+
     if (requirePath === 'constants') {
       return {};
     }