From d7730f417b4b166fc288ad8debc219cdacf35f68 Mon Sep 17 00:00:00 2001
From: Will Hunt <will@half-shot.uk>
Date: Fri, 28 Mar 2025 08:46:43 +0000
Subject: [PATCH] Hide an event notification if it is redacted (#29605)

* Hide notifications from events that have been redacted.

* lint

* add a void

* Remove ?.
---
 src/BasePlatform.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/BasePlatform.ts b/src/BasePlatform.ts
index 2093881cc5..c7b7825fe6 100644
--- a/src/BasePlatform.ts
+++ b/src/BasePlatform.ts
@@ -16,6 +16,7 @@ import {
     type SSOAction,
     encodeUnpaddedBase64,
     type OidcRegistrationClientMetadata,
+    MatrixEventEvent,
 } from "matrix-js-sdk/src/matrix";
 import { logger } from "matrix-js-sdk/src/logger";
 
@@ -228,6 +229,16 @@ export default abstract class BasePlatform {
             window.focus();
         };
 
+        const closeHandler = (): void => notification.close();
+
+        // Clear a notification from a redacted event.
+        if (ev) {
+            ev.once(MatrixEventEvent.BeforeRedaction, closeHandler);
+            notification.onclose = () => {
+                ev.off(MatrixEventEvent.BeforeRedaction, closeHandler);
+            };
+        }
+
         return notification;
     }