Align `process.nextTick` execution order with Node (#4409)

* Align `process.nextTick` execution order with Node

* some tests

* formatting

* fixups

* fix the test failures

* simplify the logic here

* push it up

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Co-authored-by: dave caruso <me@paperdave.net>

1 files changed, 41 insertions, 0 deletions

diff --git a/src/bun.js/bindings/JSNextTickQueue.h b/src/bun.js/bindings/JSNextTickQueue.h
new file mode 100644
index 000000000..c3bd228cc
--- /dev/null
+++ b/src/bun.js/bindings/JSNextTickQueue.h
@@ -0,0 +1,41 @@
+#include "root.h"
+#include "headers-handwritten.h"
+
+#include "JavaScriptCore/JSCInlines.h"
+#include "BunClientData.h"
+#include <JavaScriptCore/JSInternalFieldObjectImpl.h>
+
+namespace Bun {
+using namespace JSC;
+
+class JSNextTickQueue : public JSC::JSInternalFieldObjectImpl<3> {
+public:
+    static constexpr unsigned numberOfInternalFields = 3;
+    using Base = JSC::JSInternalFieldObjectImpl<3>;
+
+    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm);
+
+    JS_EXPORT_PRIVATE static JSNextTickQueue* create(VM&, Structure*);
+    static JSNextTickQueue* create(JSC::JSGlobalObject* globalObject);
+    static JSNextTickQueue* createWithInitialValues(VM&, Structure*);
+    static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
+
+    static std::array<JSValue, numberOfInternalFields> initialValues()
+    {
+        return { {
+            jsNumber(-1),
+            jsUndefined(),
+            jsUndefined(),
+        } };
+    }
+
+    DECLARE_EXPORT_INFO;
+    DECLARE_VISIT_CHILDREN;
+
+    JSNextTickQueue(JSC::VM&, JSC::Structure*);
+    void finishCreation(JSC::VM&);
+
+    bool isEmpty();
+    void drain(JSC::VM& vm, JSC::JSGlobalObject* globalObject);
+};
+}
\ No newline at end of file