Unified event loop (#3741)

* Unified event loop

* Update WebKit, add test for es-module-lexer

* Update README.md

* Use async wasm

* Explicitly set whether concurrenttask should be deinit'd

* Update package.json

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/bun.js/bindings/JSCTaskScheduler.h b/src/bun.js/bindings/JSCTaskScheduler.h
new file mode 100644
index 000000000..3257eb9c8
--- /dev/null
+++ b/src/bun.js/bindings/JSCTaskScheduler.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <JavaScriptCore/DeferredWorkTimer.h>
+
+namespace Bun {
+
+class JSCTaskScheduler {
+public:
+    JSCTaskScheduler()
+        : m_pendingTicketsKeepingEventLoopAlive()
+        , m_pendingTicketsOther()
+    {
+    }
+
+    static void onAddPendingWork(std::unique_ptr<JSC::DeferredWorkTimer::TicketData> ticket, JSC::DeferredWorkTimer::WorkKind kind);
+    static void onScheduleWorkSoon(JSC::DeferredWorkTimer::Ticket ticket, JSC::DeferredWorkTimer::Task&& task);
+    static void onCancelPendingWork(JSC::DeferredWorkTimer::Ticket ticket);
+
+public:
+    Lock m_lock;
+    HashSet<std::unique_ptr<JSC::DeferredWorkTimer::TicketData>> m_pendingTicketsKeepingEventLoopAlive;
+    HashSet<std::unique_ptr<JSC::DeferredWorkTimer::TicketData>> m_pendingTicketsOther;
+};
+
+}
\ No newline at end of file