feat(runtime): Implement `fs.watchFile` (#4467)

* really lame prototype

* uses threads but badly

* it works i guess

* unwatchFile but lame

* it works

* test

* a

* aomitcs

* fix unwatching race condition

* use hasPendingActivity and GC stuff better

* test

* revert this

1 files changed, 7 insertions, 0 deletions

diff --git a/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureImpl.h b/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureImpl.h
index 40a473727..cb4c47ccb 100644
--- a/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureImpl.h
+++ b/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureImpl.h
@@ -245,6 +245,12 @@ void GlobalObject::initGeneratedLazyClasses() {
                  init.setStructure(WebCore::JSServerWebSocket::createStructure(init.vm, init.global, init.prototype));
                  init.setConstructor(WebCore::JSServerWebSocket::createConstructor(init.vm, init.global, init.prototype));
               });
+    m_JSStatWatcher.initLater(
+              [](LazyClassStructure::Initializer& init) {
+                 init.setPrototype(WebCore::JSStatWatcher::createPrototype(init.vm, reinterpret_cast<Zig::GlobalObject*>(init.global)));
+                 init.setStructure(WebCore::JSStatWatcher::createStructure(init.vm, init.global, init.prototype));
+                 
+              });
     m_JSStats.initLater(
               [](LazyClassStructure::Initializer& init) {
                  init.setPrototype(WebCore::JSStats::createPrototype(init.vm, reinterpret_cast<Zig::GlobalObject*>(init.global)));
@@ -338,6 +344,7 @@ void GlobalObject::visitGeneratedLazyClasses(GlobalObject *thisObject, Visitor&
       thisObject->m_JSSHA512.visit(visitor);  visitor.append(thisObject->m_JSSHA512SetterValue);
       thisObject->m_JSSHA512_256.visit(visitor);  visitor.append(thisObject->m_JSSHA512_256SetterValue);
       thisObject->m_JSServerWebSocket.visit(visitor);  visitor.append(thisObject->m_JSServerWebSocketSetterValue);
+      thisObject->m_JSStatWatcher.visit(visitor);  visitor.append(thisObject->m_JSStatWatcherSetterValue);
       thisObject->m_JSStats.visit(visitor);  visitor.append(thisObject->m_JSStatsSetterValue);
       thisObject->m_JSSubprocess.visit(visitor);  visitor.append(thisObject->m_JSSubprocessSetterValue);
       thisObject->m_JSTCPSocket.visit(visitor);  visitor.append(thisObject->m_JSTCPSocketSetterValue);