From 2432acae3eb4c956b16c2303d3f470ecc27a5da8 Mon Sep 17 00:00:00 2001
From: Sebastian Ware <sebastian@urbantalk.se>
Date: Mon, 4 Dec 2023 11:48:28 +0100
Subject: [PATCH] addEventListener won't accept SemiSyntheticEvent due to extra
 helper methods, so we need to mark them as optional.

---
 packages/inferno/src/DOM/events/delegation.ts | 4 +---
 packages/inferno/src/core/types.ts            | 4 ++--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/packages/inferno/src/DOM/events/delegation.ts b/packages/inferno/src/DOM/events/delegation.ts
index a2db5387b..4ceb5162b 100644
--- a/packages/inferno/src/DOM/events/delegation.ts
+++ b/packages/inferno/src/DOM/events/delegation.ts
@@ -184,9 +184,7 @@ function rootEvent(name: string): (event: SemiSyntheticEvent<any>) => void {
 function attachEventToDocument(
   name: string,
 ): (event: SemiSyntheticEvent<any>) => void {
-  const attachedEvent = rootEvent(name);
-  // @ts-expect-error TODO: FIXME
+  const attachedEvent = rootEvent(name);  
   document.addEventListener(normalizeEventName(name), attachedEvent);
-
   return attachedEvent;
 }
diff --git a/packages/inferno/src/core/types.ts b/packages/inferno/src/core/types.ts
index c273acc74..9a098868d 100644
--- a/packages/inferno/src/core/types.ts
+++ b/packages/inferno/src/core/types.ts
@@ -79,8 +79,8 @@ export interface SemiSyntheticEvent<T> extends Event {
    * A reference to the element on which the event listener is registered.
    */
   currentTarget: EventTarget & T;
-  isDefaultPrevented: () => boolean;
-  isPropagationStopped: () => boolean;
+  isDefaultPrevented?: () => boolean;
+  isPropagationStopped?: () => boolean;
 }
 
 export type ClipboardEvent<T> = SemiSyntheticEvent<T> & NativeClipboardEvent;