Move generateObjectModuleSourceCode to separate file to fix build error

src/bun.js/modules/ObjectModule.cpp

@@ -0,0 +1,29 @@
+#include "ObjectModule.h"
+
+namespace Zig {
+JSC::SyntheticSourceProvider::SyntheticSourceGenerator
+generateObjectModuleSourceCode(JSC::JSGlobalObject *globalObject,
+                               JSC::JSObject *object) {
+  JSC::VM &vm = globalObject->vm();
+
+  return [object](JSC::JSGlobalObject *lexicalGlobalObject,
+                  JSC::Identifier moduleKey,
+                  Vector<JSC::Identifier, 4> &exportNames,
+                  JSC::MarkedArgumentBuffer &exportValues) -> void {
+    JSC::VM &vm = lexicalGlobalObject->vm();
+    GlobalObject *globalObject =
+        reinterpret_cast<GlobalObject *>(lexicalGlobalObject);
+    JSC::EnsureStillAliveScope stillAlive(object);
+
+    PropertyNameArray properties(vm, PropertyNameMode::Strings,
+                                 PrivateSymbolMode::Exclude);
+    object->getPropertyNames(globalObject, properties,
+                             DontEnumPropertiesMode::Exclude);
+
+    for (auto &entry : properties) {
+      exportNames.append(entry);
+      exportValues.append(object->get(globalObject, entry));
+    }
+  };
+}
+} // namespace Zig