Nothing is working but it is on the right track! ASYNCIFY removed, manual waiting instead and some proxying logic

src/global.cc

@@ -0,0 +1,17 @@
+#include "global.h"
+void throwJS(const char* msg, bool err) {
+  EM_ASM({
+    if($1) {
+      throw Error(UTF8ToString($0));
+      return;
+    }
+    throw UTF8ToString($0);
+  },msg, err);
+}
+int main() {
+  //vosk_set_log_level(-1);
+  std::thread t{[](){
+    wasmfs_create_directory("/opfs",0777,wasmfs_create_opfs_backend());
+  }};
+  t.detach();
+}