Fix selectSettingsNotificationsExcludedTypes not being memoized properly (#31881)

app/javascript/mastodon/selectors/settings.ts

@@ -1,17 +1,27 @@
+import { createSelector } from '@reduxjs/toolkit';
+
 import type { RootState } from 'mastodon/store';
 
 /* eslint-disable @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access */
 // state.settings is not yet typed, so we disable some ESLint checks for those selectors
-export const selectSettingsNotificationsShows = (state: RootState) =>
-  state.settings.getIn(['notifications', 'shows']).toJS() as Record<
-    string,
-    boolean
-  >;
+export const selectSettingsNotificationsShows = createSelector(
+  [
+    (state) =>
+      state.settings.getIn(['notifications', 'shows']) as Immutable.Map<
+        string,
+        boolean
+      >,
+  ],
+  (shows) => shows.toJS() as Record<string, boolean>,
+);
 
-export const selectSettingsNotificationsExcludedTypes = (state: RootState) =>
-  Object.entries(selectSettingsNotificationsShows(state))
-    .filter(([_type, enabled]) => !enabled)
-    .map(([type, _enabled]) => type);
+export const selectSettingsNotificationsExcludedTypes = createSelector(
+  [selectSettingsNotificationsShows],
+  (shows) =>
+    Object.entries(shows)
+      .filter(([_type, enabled]) => !enabled)
+      .map(([type, _enabled]) => type),
+);
 
 export const selectSettingsNotificationsQuickFilterShow = (state: RootState) =>
   state.settings.getIn(['notifications', 'quickFilter', 'show']) as boolean;