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diff --git a/lib/utils/drawer-utils.react.js b/lib/utils/drawer-utils.react.js
--- a/lib/utils/drawer-utils.react.js
+++ b/lib/utils/drawer-utils.react.js
@@ -1,5 +1,7 @@
// @flow
+import * as React from 'react';
+
import { values } from './objects.js';
import { threadInFilterList, threadIsChannel } from '../shared/thread-utils.js';
import { communitySubthreads } from '../types/thread-types-enum.js';
@@ -74,27 +76,29 @@
);
}
-function appendSuffix(
- chats: $ReadOnlyArray<ResolvedThreadInfo>,
-): ResolvedThreadInfo[] {
- const result: ResolvedThreadInfo[] = [];
- const names = new Map<string, number>();
+function useAppendCommunitySuffix(
+ communities: $ReadOnlyArray<ResolvedThreadInfo>,
+): $ReadOnlyArray<ResolvedThreadInfo> {
+ return React.useMemo(() => {
+ const result: ResolvedThreadInfo[] = [];
+ const names = new Map<string, number>();
- for (const chat of chats) {
- let name = chat.uiName;
- const numberOfOccurrences = names.get(name);
- names.set(name, (numberOfOccurrences ?? 0) + 1);
- if (numberOfOccurrences) {
- name = `${name} (${numberOfOccurrences.toString()})`;
- }
- // Branching to appease `flow`.
- if (chat.minimallyEncoded) {
- result.push({ ...chat, uiName: name });
- } else {
- result.push({ ...chat, uiName: name });
+ for (const chat of communities) {
+ let name = chat.uiName;
+ const numberOfOccurrences = names.get(name);
+ names.set(name, (numberOfOccurrences ?? 0) + 1);
+ if (numberOfOccurrences) {
+ name = `${name} (${numberOfOccurrences.toString()})`;
+ }
+ // Branching to appease `flow`.
+ if (chat.minimallyEncoded) {
+ result.push({ ...chat, uiName: name });
+ } else {
+ result.push({ ...chat, uiName: name });
+ }
}
- }
- return result;
+ return result;
+ }, [communities]);
}
function filterThreadIDsBelongingToCommunity(
@@ -116,6 +120,6 @@
export {
createRecursiveDrawerItemsData,
- appendSuffix,
+ useAppendCommunitySuffix,
filterThreadIDsBelongingToCommunity,
};
diff --git a/native/navigation/community-drawer-content.react.js b/native/navigation/community-drawer-content.react.js
--- a/native/navigation/community-drawer-content.react.js
+++ b/native/navigation/community-drawer-content.react.js
@@ -19,7 +19,7 @@
import { useDispatchActionPromise } from 'lib/utils/action-utils.js';
import {
createRecursiveDrawerItemsData,
- appendSuffix,
+ useAppendCommunitySuffix,
} from 'lib/utils/drawer-utils.react.js';
import { useResolvedThreadInfos } from 'lib/utils/entity-helpers.js';
@@ -43,10 +43,7 @@
function CommunityDrawerContent(): React.Node {
const communities = useSelector(communityThreadSelector);
const resolvedCommunities = useResolvedThreadInfos(communities);
- const communitiesSuffixed = React.useMemo(
- () => appendSuffix(resolvedCommunities),
- [resolvedCommunities],
- );
+ const communitiesSuffixed = useAppendCommunitySuffix(resolvedCommunities);
const styles = useStyles(unboundStyles);
const callFetchPrimaryLinks = useFetchPrimaryInviteLinks();
diff --git a/web/sidebar/community-drawer.react.js b/web/sidebar/community-drawer.react.js
--- a/web/sidebar/community-drawer.react.js
+++ b/web/sidebar/community-drawer.react.js
@@ -8,7 +8,7 @@
} from 'lib/selectors/thread-selectors.js';
import {
createRecursiveDrawerItemsData,
- appendSuffix,
+ useAppendCommunitySuffix,
} from 'lib/utils/drawer-utils.react.js';
import { useResolvedThreadInfos } from 'lib/utils/entity-helpers.js';
@@ -25,10 +25,7 @@
const childThreadInfosMap = useSelector(childThreadInfos);
const communities = useSelector(communityThreadSelector);
const resolvedCommunities = useResolvedThreadInfos(communities);
- const communitiesSuffixed = React.useMemo(
- () => appendSuffix(resolvedCommunities),
- [resolvedCommunities],
- );
+ const communitiesSuffixed = useAppendCommunitySuffix(resolvedCommunities);
const drawerItemsData = createRecursiveDrawerItemsData(
childThreadInfosMap,

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