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diff --git a/lib/components/chat-mention-provider.react.js b/lib/components/chat-mention-provider.react.js
--- a/lib/components/chat-mention-provider.react.js
+++ b/lib/components/chat-mention-provider.react.js
@@ -176,13 +176,22 @@
};
}
+// Without allAtOnce, useChatMentionCandidatesObjAndUtils is very expensive.
+// useResolvedThreadInfosObj would trigger its recalculation for each ENS name
+// as it streams in, but we would prefer to trigger its recaculation just once
+// for every update of the underlying Redux data.
+const useResolvedThreadInfosObjOptions = { allAtOnce: true };
+
function useChatMentionCandidatesObjAndUtils(): {
chatMentionCandidatesObj: ChatMentionCandidatesObj,
resolvedThreadInfos: ChatMentionCandidates,
communityThreadIDForGenesisThreads: { +[id: string]: string },
} {
const threadInfos = useSelector(threadInfoSelector);
- const resolvedThreadInfos = useResolvedThreadInfosObj(threadInfos);
+ const resolvedThreadInfos = useResolvedThreadInfosObj(
+ threadInfos,
+ useResolvedThreadInfosObjOptions,
+ );
const { chatMentionCandidatesObj, communityThreadIDForGenesisThreads } =
React.useMemo(
() => getChatMentionCandidates(resolvedThreadInfos),
diff --git a/lib/utils/entity-helpers.js b/lib/utils/entity-helpers.js
--- a/lib/utils/entity-helpers.js
+++ b/lib/utils/entity-helpers.js
@@ -8,17 +8,19 @@
useENSNamesForEntityText,
entityTextToRawString,
} from './entity-text.js';
+import type { UseENSNamesOptions } from '../hooks/ens-cache.js';
import type { ThreadInfo, ResolvedThreadInfo } from '../types/thread-types.js';
import { values } from '../utils/objects.js';
function useResolvedThreadInfos(
threadInfos: $ReadOnlyArray<ThreadInfo>,
+ options?: ?UseENSNamesOptions,
): $ReadOnlyArray<ResolvedThreadInfo> {
const entityText = React.useMemo(
() => threadInfos.map(threadInfo => threadInfo.uiName),
[threadInfos],
);
- const withENSNames = useENSNamesForEntityText(entityText);
+ const withENSNames = useENSNamesForEntityText(entityText, options);
invariant(
withENSNames,
'useENSNamesForEntityText only returns falsey when passed falsey',
@@ -76,14 +78,18 @@
}, [threadInfos, withENSNames]);
}
-function useResolvedThreadInfosObj(threadInfosObj: {
- +[id: string]: ThreadInfo,
-}): { +[id: string]: ResolvedThreadInfo } {
+function useResolvedThreadInfosObj(
+ threadInfosObj: { +[id: string]: ThreadInfo },
+ options?: ?UseENSNamesOptions,
+): { +[id: string]: ResolvedThreadInfo } {
const threadInfosArray = React.useMemo(
() => values(threadInfosObj),
[threadInfosObj],
);
- const resolvedThreadInfosArray = useResolvedThreadInfos(threadInfosArray);
+ const resolvedThreadInfosArray = useResolvedThreadInfos(
+ threadInfosArray,
+ options,
+ );
return React.useMemo(() => {
const obj = {};
for (const resolvedThreadInfo of resolvedThreadInfosArray) {
diff --git a/lib/utils/entity-text.js b/lib/utils/entity-text.js
--- a/lib/utils/entity-text.js
+++ b/lib/utils/entity-text.js
@@ -6,7 +6,7 @@
import type { GetENSNames } from './ens-helpers.js';
import { tID, tShape, tString } from './validation-utils.js';
-import { useENSNames } from '../hooks/ens-cache.js';
+import { useENSNames, type UseENSNamesOptions } from '../hooks/ens-cache.js';
import { threadNoun } from '../shared/thread-utils.js';
import { stringForUser } from '../shared/user-utils.js';
import {
@@ -533,12 +533,15 @@
.filter(Boolean);
}
-function useENSNamesForEntityText(entityText: ?EntityText): ?EntityText {
+function useENSNamesForEntityText(
+ entityText: ?EntityText,
+ options?: ?UseENSNamesOptions,
+): ?EntityText {
const allObjects = React.useMemo(
() => (entityText ? entityTextToObjects(entityText) : []),
[entityText],
);
- const objectsWithENSNames = useENSNames(allObjects);
+ const objectsWithENSNames = useENSNames(allObjects, options);
return React.useMemo(
() =>
entityText ? entityTextFromObjects(objectsWithENSNames) : entityText,

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