feat: filter the notification statuses

components/notification/NotificationPaginator.vue

@@ -131,7 +131,21 @@ function preprocess(items: NotificationSlot[]): NotificationSlot[] {
       flattenedNotifications.push(item)
     }
   }
-  return groupItems(flattenedNotifications)
+
+  // extract indices of notifications with filtered statuses
+  const isStrict = (filter: mastodon.v1.FilterResult) => filter.filter.filterAction === 'hide' && filter.filter.context.includes('notifications')
+  const filteredIndices = flattenedNotifications
+    .map((item, index) => ({
+      status: item.status,
+      index,
+    }))
+    .filter(item => !item.status?.filtered?.find(isStrict))
+    .map(item => item.index)
+
+  // group the filtered elements given the indices
+  return groupItems(
+    flattenedNotifications.filter((item, index) => !filteredIndices.includes(index)),
+  )
 }
 
 const { clearNotifications } = useNotifications()