add Promise::MarkAsHandled

src/binding.cc

@@ -2811,6 +2811,10 @@ bool v8__Promise__HasHandler(const v8::Promise& self) {
   return ptr_to_local(&self)->HasHandler();
 }
 
+void v8__Promise__MarkAsHandled(const v8::Promise& self) {
+  ptr_to_local(&self)->MarkAsHandled();
+}
+
 const v8::Value* v8__Promise__Result(const v8::Promise& self) {
   return local_to_ptr(ptr_to_local(&self)->Result());
 }

src/promise.rs

@@ -28,6 +28,7 @@ unsafe extern "C" {
   ) -> MaybeBool;
   fn v8__Promise__State(this: *const Promise) -> PromiseState;
   fn v8__Promise__HasHandler(this: *const Promise) -> bool;
+  fn v8__Promise__MarkAsHandled(this: *const Promise);
   fn v8__Promise__Result(this: *const Promise) -> *const Value;
   fn v8__Promise__Catch(
     this: *const Promise,
@@ -79,6 +80,12 @@ impl Promise {
     unsafe { v8__Promise__HasHandler(self) }
   }
 
+  /// Marks this promise as handled to avoid reporting unhandled rejections.
+  #[inline(always)]
+  pub fn mark_as_handled(&self) {
+    unsafe { v8__Promise__MarkAsHandled(self) }
+  }
+
   /// Returns the content of the [[PromiseResult]] field. The Promise must not
   /// be pending.
   #[inline(always)]