3 files changed, 29 insertions, 1 deletions
diff --git a/src/javascript/jsc/bindings/ZigGlobalObject.cpp b/src/javascript/jsc/bindings/ZigGlobalObject.cpp
index 3ab654dda..352669b1d 100644
--- a/src/javascript/jsc/bindings/ZigGlobalObject.cpp
+++ b/src/javascript/jsc/bindings/ZigGlobalObject.cpp
@@ -229,6 +229,25 @@ namespace Zig {
 const JSC::ClassInfo GlobalObject::s_info = { "GlobalObject", &Base::s_info, nullptr, nullptr,
     CREATE_METHOD_TABLE(GlobalObject) };
 
+extern "C" JSClassRef* Zig__getAPIGlobals(size_t* count);
+
+static JSGlobalObject* deriveShadowRealmGlobalObject(JSGlobalObject* globalObject)
+{
+    auto& vm = globalObject->vm();
+    Zig::GlobalObject* shadow = Zig::GlobalObject::create(vm, Zig::GlobalObject::createStructure(vm, JSC::jsNull()));
+    shadow->setConsole(shadow);
+    size_t count = 0;
+    JSClassRef* globalObjectClass;
+    globalObjectClass = Zig__getAPIGlobals(&count);
+
+    shadow->setConsole(shadow);
+    if (count > 0) {
+        shadow->installAPIGlobals(globalObjectClass, count);
+    }
+
+    return shadow;
+}
+
 const JSC::GlobalObjectMethodTable GlobalObject::s_globalObjectMethodTable = {
     &supportsRichSourceInfo,
     &shouldInterruptScript,
@@ -247,6 +266,8 @@ const JSC::GlobalObjectMethodTable GlobalObject::s_globalObjectMethodTable = {
     nullptr, // defaultLanguage
     nullptr, // compileStreaming
     nullptr, // instantiateStreaming
+    nullptr,
+    &Zig::deriveShadowRealmGlobalObject
 };
 
 void GlobalObject::reportUncaughtExceptionAtEventLoop(JSGlobalObject* globalObject,
diff --git a/src/javascript/jsc/bindings/ZigGlobalObject.h b/src/javascript/jsc/bindings/ZigGlobalObject.h
index edc250ecb..e2464b99e 100644
--- a/src/javascript/jsc/bindings/ZigGlobalObject.h
+++ b/src/javascript/jsc/bindings/ZigGlobalObject.h
@@ -48,7 +48,7 @@ public:
     }
 
     static void reportUncaughtExceptionAtEventLoop(JSGlobalObject*, JSC::Exception*);
-
+    static JSGlobalObject* deriveShadowRealmGlobalObject(JSGlobalObject* globalObject);
     static void queueMicrotaskToEventLoop(JSC::JSGlobalObject& global, Ref<JSC::Microtask>&& task);
     static JSC::JSInternalPromise* moduleLoaderImportModule(JSGlobalObject*, JSC::JSModuleLoader*,
         JSC::JSString* moduleNameValue,
diff --git a/src/javascript/jsc/bindings/exports.zig b/src/javascript/jsc/bindings/exports.zig
index 6179ad203..a7d281299 100644
--- a/src/javascript/jsc/bindings/exports.zig
+++ b/src/javascript/jsc/bindings/exports.zig
@@ -241,6 +241,12 @@ export fn ZigString__free_global(ptr: [*]const u8, len: usize) void {
     default_allocator.free(str);
 }
 
+export fn Zig__getAPIGlobals(count: *usize) [*]JSC.C.JSClassRef {
+    var globals = JSC.VirtualMachine.getAPIGlobals();
+    count.* = globals.len;
+    return globals.ptr;
+}
+
 pub const JSErrorCode = enum(u8) {
     Error = 0,
     EvalError = 1,
@@ -1855,6 +1861,7 @@ comptime {
     if (!is_bindgen) {
         _ = Process.getTitle;
         _ = Process.setTitle;
+        _ = Zig__getAPIGlobals;
         std.testing.refAllDecls(NodeReadableStream);
         std.testing.refAllDecls(Bun.Timer);
         std.testing.refAllDecls(NodeWritableStream);