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feat(boards): cache named board data with tag-based invalidation #5737

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feat(boards): cache named board data with tag-based invalidation #5737

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2c388bd
perf(boards): parallelize board page data fetching
ajnart May 18, 2026
22af9e2
feat(boards): cache named board data with tag-based invalidation
ajnart May 18, 2026
689da2f
fix: format files and fix revalidateTag signature for Next 16
ajnart May 18, 2026
884fde2
fix(boards): replace global cache with React cache() per-request dedup
ajnart May 25, 2026
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42 changes: 23 additions & 19 deletions apps/nextjs/src/app/[locale]/boards/(content)/_creator.tsx
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import { cache } from "react";
import type { Metadata } from "next";
import { TRPCError } from "@trpc/server";

Expand Down Expand Up @@ -34,20 +35,21 @@ interface Props<TParams extends Params> {
export const createBoardContentPage = <TParams extends Record<string, unknown>>({
getInitialBoardAsync: getInitialBoard,
}: Props<TParams>) => {
const getCachedBoard = cache((_paramsKey: string, params: TParams) => getInitialBoard(params));
const getBoardForParams = (params: TParams) => getCachedBoard(JSON.stringify(params), params);

return {
layout: createBoardLayout({
headerActions: <BoardContentHeaderActions />,
getInitialBoardAsync: getInitialBoard,
getInitialBoardAsync: getBoardForParams,
}),
// eslint-disable-next-line no-restricted-syntax
page: async ({ params }: { params: Promise<TParams> }) => {
const session = await auth();
const integrations = await getIntegrationsWithPermissionsAsync(session);

const board = await getInitialBoard(await params);
const resolvedParams = await params;
const queryClient = getQueryClient();

// Prefetch item data
const [board, session] = await Promise.all([getBoardForParams(resolvedParams), auth()]);

const itemsMap = board.items.reduce((acc, item) => {
const existing = acc.get(item.kind);
if (existing) {
Expand All @@ -58,17 +60,20 @@ export const createBoardContentPage = <TParams extends Record<string, unknown>>(
return acc;
}, new Map<WidgetKind, Item[]>());

for (const [kind, items] of itemsMap) {
await prefetchForKindAsync(kind, queryClient, items).catch((error) => {
logger.error(
new ErrorWithMetadata(
"Failed to prefetch widget",
{ widgetKind: kind, itemCount: items.length },
{ cause: error },
),
);
});
}
const [integrations] = await Promise.all([
getIntegrationsWithPermissionsAsync(session),
...Array.from(itemsMap).map(([kind, items]) =>
prefetchForKindAsync(kind, queryClient, items).catch((error) => {
logger.error(
new ErrorWithMetadata(
"Failed to prefetch widget",
{ widgetKind: kind, itemCount: items.length },
{ cause: error },
),
);
}),
),
]);

return (
<HydrationBoundary state={dehydrate(queryClient)}>
Expand All @@ -80,7 +85,7 @@ export const createBoardContentPage = <TParams extends Record<string, unknown>>(
},
generateMetadataAsync: async ({ params }: { params: Promise<TParams> }): Promise<Metadata> => {
try {
const board = await getInitialBoard(await params);
const board = await getBoardForParams(await params);
const t = await getI18n();

return {
Expand All @@ -96,7 +101,6 @@ export const createBoardContentPage = <TParams extends Record<string, unknown>>(
},
};
} catch (error) {
// Ignore not found errors and return empty metadata
if (error instanceof TRPCError && error.code === "NOT_FOUND") {
return {};
}
Expand Down
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