Remove next/cache usage (use cache, cacheLife, cacheTag, cacheComponents)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01F22Ms5Cxam5UHyxaCrtZzu

app/account/page.tsx

@@ -37,8 +37,7 @@ type AccountPageProps = {
 /**
  * `/account` — core Customer Accounts surface (name + email only).
  *
- * No `export const dynamic` / `export const fetchCache`: under
- * `cacheComponents: true`, `force-dynamic` is not allowed. The page relies on
+ * No `export const dynamic` / `export const fetchCache`: the page relies on
  * the `AppShell` dynamic context (`await connection()` in the root layout's
  * shell), which opts the whole subtree into dynamic rendering — any
  * `headers()`/`cookies()` read inside (e.g. `getCustomerAccessToken()` →

app/app-shell.tsx

@@ -17,9 +17,9 @@ import { Providers } from "./providers";
 
 /**
  * Async server shell that owns the per-request (dynamic) reads: the cart seed
- * + the shop analytics GID. With `cacheComponents: true`, uncached/dynamic data
- * accessed in a Server Component must sit inside a `<Suspense>` boundary so the
- * static HTML shell prerenders and the per-buyer parts stream
+ * + the shop analytics GID. The dynamic data access in this Server Component
+ * sits inside a `<Suspense>` boundary so the static HTML shell prerenders and
+ * the per-buyer parts stream
  * (`next/server` `connection()` + `headers()`/`cookies()` are per-request).
  *
  * Rendered inside `<Suspense>` from the root layout. `await connection()`

app/cart/page.tsx

@@ -26,9 +26,9 @@ export const metadata: Metadata = {
  * `CartProvider` would create a divergent inner store vs the root-rendered
  * `CartDrawer` — mutations would not reflect across them.
  *
- * `force-dynamic` is not allowed with `cacheComponents: true`; the root layout
- * already makes every route dynamic via `cookies()`/`headers()` in the cart
- * seed. Reachable via the footer `/cart` link (no-JS fallback).
+ * No `force-dynamic` needed; the root layout already makes every route
+ * dynamic via `cookies()`/`headers()` in the cart seed. Reachable via the
+ * footer `/cart` link (no-JS fallback).
  */
 export default function CartPage() {
   return (

app/collections/[handle]/page.tsx

@@ -1,7 +1,6 @@
 import { parseCollectionParams, type AvailableFilter } from "@shopify/hydrogen";
 import type { ProductFilter as StorefrontApiProductFilter } from "@shopify/hydrogen/storefront-api-types";
 import type { Metadata } from "next";
-import { cacheLife, cacheTag } from "next/cache";
 import { notFound } from "next/navigation";
 
 import { CollectionBrowser } from "@/components/CollectionBrowser";
@@ -43,13 +42,7 @@ async function fetchCollection(
   availableFilters: AvailableFilter[];
   pageInfo: { hasNextPage: boolean; endCursor?: string | null };
 }> {
-  "use cache";
-  cacheLife("minutes");
-  cacheTag("collections", "products");
-
-  // Reconstruct URLSearchParams from the serialized search string. `use cache`
-  // serializes arguments, so a URLSearchParams passed in loses `.get` — pass a
-  // plain string across the cache boundary and parse inside.
+  // Reconstruct URLSearchParams from the serialized search string.
   const browse = parseCollectionParams(new URLSearchParams(searchString));
   const result = await query(handle, after, browse.filters, browse.sortKey, browse.reverse);
   return result;

app/collections/page.tsx

@@ -1,5 +1,4 @@
 import type { Metadata } from "next";
-import { cacheLife, cacheTag } from "next/cache";
 import Link from "next/link";
 
 import { Breadcrumbs } from "@/components/Breadcrumbs";
@@ -21,10 +20,6 @@ export const metadata: Metadata = {
 };
 
 async function fetchCollections(after?: string) {
-  "use cache";
-  cacheLife("hours");
-  cacheTag("collections");
-
   const { data, errors } = await staticStorefrontClient.graphql(COLLECTIONS_QUERY, {
     variables: { first: 24, after },
   });

app/layout.tsx

@@ -8,8 +8,8 @@ import { SITE_ORIGIN } from "@/lib/site";
 import { AppShell } from "./app-shell";
 
 /**
- * Root layout (engineering.md F1, F4, F7, F10). With `cacheComponents: true`,
- * the layout is a **static shell** — it prerenders the `<html>`/`<body>` +
+ * Root layout (engineering.md F1, F4, F7, F10). The layout is a
+ * **static shell** — it prerenders the `<html>`/`<body>` +
  * announcement bar, then wraps the per-request (dynamic) `AppShell` (cart seed
  * + analytics shop + chrome) in `<Suspense>` so the dynamic parts stream while
  * the static shell serves immediately. `AppShell` calls `connection()` to opt

app/not-found.tsx

@@ -13,8 +13,8 @@ import { getStorefrontClient } from "@/lib/storefront";
  * `references/nextjs.md`). `proxy.ts` cannot inspect the routed response, so
  * Storefront URL redirects run here, after the framework returns a 404.
  *
- * With `cacheComponents: true`, the per-request reads (`headers()` +
- * `getStorefrontClient()` + `redirect()`) must sit inside a `<Suspense>`
+ * The per-request reads (`headers()` + `getStorefrontClient()` +
+ * `redirect()`) sit inside a `<Suspense>`
  * boundary. The static 404 shell prerenders; the `<RedirectChecker>` streams
  * and either `redirect()`s to a matching Shopify URL redirect or renders
  * nothing (leaving the 404 shell visible).

app/page.tsx

@@ -1,5 +1,4 @@
 import type { Metadata } from "next";
-import { cacheLife, cacheTag } from "next/cache";
 import Link from "next/link";
 
 import { CollectionCard } from "@/components/CollectionCard";
@@ -22,13 +21,8 @@ export const metadata: Metadata = {
   twitter: { card: "summary_large_image" },
 };
 
-/** Home catalog fetch — cached at the data boundary (F2: dynamic root layout
- *  precludes page-level prerender, so the cache-point is the fetch function). */
+/** Home catalog fetch. */
 async function fetchHome() {
-  "use cache";
-  cacheLife("minutes");
-  cacheTag("products", "collections");
-
   const { data, errors } = await staticStorefrontClient.graphql(HOME_QUERY);
   if (errors) {
     console.error("[hydrogen] Home query failed", errors);

app/products/[handle]/page.tsx

@@ -1,6 +1,5 @@
 import { getSelectedProductOptions } from "@shopify/hydrogen";
 import type { Metadata } from "next";
-import { cacheLife, cacheTag } from "next/cache";
 import { notFound } from "next/navigation";
 import { Suspense } from "react";
 
@@ -19,8 +18,6 @@ type Props = {
 
 export async function generateMetadata({ params }: Props): Promise<Metadata> {
   const { handle } = await params;
-  // Re-fetch the product for metadata. It hits the same `use cache` cache-point
-  // as the page render, so this is a cache hit in practice.
   const { product } = await fetchProduct(handle, "");
   const title = product?.title ?? "Product";
   return {
@@ -41,15 +38,9 @@ async function fetchProduct(
   handle: string,
   searchString: string,
 ): Promise<{ product: ProductData | null }> {
-  "use cache";
-  cacheLife("minutes");
-  cacheTag("products");
-
   // Read variant selection from URL option params (F4: a no-JS GET to
   // `?Size=Large&Color=Green` resolves the variant server-side). Do NOT pass
   // `optionNames: []` — an empty allow-list filters out every param.
-  // Reconstruct URLSearchParams from the serialized search string — `use cache`
-  // serializes arguments, so a URLSearchParams passed in loses `.get`.
   const selectedOptions = getSelectedProductOptions(new URLSearchParams(searchString));
 
   const { data, errors } = await staticStorefrontClient.graphql(PRODUCT_QUERY, {
@@ -89,13 +80,9 @@ export default async function ProductPage({ params, searchParams }: Props) {
 /**
  * Related products (`notes/product.md` "you may also like"). Best-effort: any
  * error/timeout returns an empty list so the PDP never breaks. Fetched via the
- * shared `staticStorefrontClient` inside a `use cache` cache-point.
+ * shared `staticStorefrontClient`.
  */
 async function RelatedProducts({ handle }: { handle: string }) {
-  "use cache";
-  cacheLife("minutes");
-  cacheTag("products");
-
   let related: ProductCardData[] = [];
   try {
     const { data, errors } = await staticStorefrontClient.graphql(RELATED_PRODUCTS_QUERY, {

app/search/page.tsx

@@ -2,7 +2,6 @@ import { parseCollectionParams, type StorefrontApi } from "@shopify/hydrogen";
 import type { AvailableFilter } from "@shopify/hydrogen";
 import type { ProductFilter as StorefrontApiProductFilter } from "@shopify/hydrogen/storefront-api-types";
 import type { Metadata } from "next";
-import { cacheLife, cacheTag } from "next/cache";
 
 import { CollectionBrowser } from "@/components/CollectionBrowser";
 import { SEARCH_QUERY } from "@/lib/queries";
@@ -37,10 +36,6 @@ type SearchNode = NonNullable<
 type SearchProductNode = Extract<SearchNode, { __typename: "Product" }>;
 
 async function fetchSearch(term: string, searchString: string): Promise<SearchResult> {
-  "use cache";
-  cacheLife("minutes");
-  cacheTag("products");
-
   if (!term) {
     return {
       term: "",
@@ -51,9 +46,7 @@ async function fetchSearch(term: string, searchString: string): Promise<SearchRe
     };
   }
 
-  // Reconstruct URLSearchParams from the serialized search string. `use cache`
-  // serializes arguments, so a URLSearchParams passed in loses `.get` — pass a
-  // plain string across the cache boundary and parse inside.
+  // Reconstruct URLSearchParams from the serialized search string.
   const searchParams = new URLSearchParams(searchString);
   const browse = parseCollectionParams(searchParams);
   // parseCollectionParams returns a ProductCollectionSortKeys; search only

app/sitemap.ts

@@ -1,5 +1,4 @@
 import type { MetadataRoute } from "next";
-import { cacheLife, cacheTag } from "next/cache";
 
 import { SITEMAP_QUERY } from "@/lib/queries";
 import { SITE_ORIGIN } from "@/lib/site";
@@ -7,9 +6,8 @@ import { staticStorefrontClient } from "@/lib/storefront-static";
 
 /**
  * `/sitemap.xml` (engineering.md F10). Lists product + collection URLs with
- * `updatedAt` timestamps, fetched via the shared `staticStorefrontClient`
- * inside a `use cache` cache-point (catalog, not personalized). mock.shop
- * fallback works (queries mock.shop).
+ * `updatedAt` timestamps, fetched via the shared `staticStorefrontClient`.
+ * mock.shop fallback works (queries mock.shop).
  */
 export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
   const entries = await fetchSitemap();
@@ -23,10 +21,6 @@ export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
 type SitemapEntry = { loc: string; lastmod?: string };
 
 async function fetchSitemap(): Promise<SitemapEntry[]> {
-  "use cache";
-  cacheLife("hours");
-  cacheTag("products", "collections");
-
   const { data, errors } = await staticStorefrontClient.graphql(SITEMAP_QUERY);
   if (errors) {
     console.error("[hydrogen] Sitemap query failed", errors);

components/CollectionBrowser.tsx

@@ -21,7 +21,7 @@ import { FilterGroup } from "@/lib/filters";
 /**
  * Shared collection/search browser (`hydrogen-collection-browser` /
  * `references/nextjs.md`). The server page fetches the product + filter
- * snapshot via `staticStorefrontClient` inside a `use cache` cache-point and
+ * snapshot via `staticStorefrontClient` and
  * passes it here. This client component owns the `CollectionProvider`,
  * `useCollection`/`useCollectionForm`, URL sync via `useRouter`/`useSearchParams`,
  * and the filter/sort/grid UI.

lib/analytics-shop.ts

@@ -1,16 +1,14 @@
 import "server-only";
 import { analyticsShop as analyticsShopConfig, shop as shopConfig } from "@shared/config";
-import { cacheLife, cacheTag } from "next/cache";
 
 import { SHOP_ANALYTICS_QUERY } from "@/lib/queries";
 import { staticStorefrontClient } from "@/lib/storefront-static";
 
 /**
  * Resolve the shop analytics GID best-effort + non-blocking (engineering.md F1).
- * The query runs inside a `'use cache'` cache-point (`cacheLife("hours")`,
- * `cacheTag("shop")`) so warm requests resolve instantly. On timeout/error we
- * fall back to the config-derived shop GID/name (avoids drift — `@shared/config`
- * `analyticsShop.shopId` is already `gid://shopify/Shop/${shop.shopId}`).
+ * On timeout/error we fall back to the config-derived shop GID/name (avoids
+ * drift — `@shared/config` `analyticsShop.shopId` is already
+ * `gid://shopify/Shop/${shop.shopId}`).
  */
 export type AnalyticsShop = {
   shopId: string;
@@ -24,12 +22,7 @@ const SHOP_FALLBACK: AnalyticsShop = {
   shopDescription: null,
 };
 
-/** Cache the shop query result for hours (it almost never changes). */
 async function fetchShopAnalytics(): Promise<AnalyticsShop> {
-  "use cache";
-  cacheLife("hours");
-  cacheTag("shop");
-
   const { data, errors } = await staticStorefrontClient.graphql(SHOP_ANALYTICS_QUERY);
   if (errors) {
     console.error("[hydrogen] Root shop query failed", errors);
@@ -42,7 +35,7 @@ async function fetchShopAnalytics(): Promise<AnalyticsShop> {
 }
 
 /**
- * Best-effort, non-blocking shop analytics resolution. Races the cached query
+ * Best-effort, non-blocking shop analytics resolution. Races the query
  * against a 2000ms timeout; on timeout/error falls back to `@shared/config`.
  * Merges the resolved GID/name with the config-derived `analyticsShop`
  * metadata (acceptedLanguage/currency/hydrogenSubchannelId).

lib/storefront-static.ts

@@ -14,9 +14,8 @@ import { resolveStorefrontConfig } from "./storefront-config";
  * sitemap, related products, shop analytics GID) fetch through this client.
  * Only the cart seed uses the per-buyer `getStorefrontClient()`.
  *
- * Caching lives at the `use cache` boundary (cache-points keyed by serializable
- * inputs). The `cache:` option is never passed to `graphql()` — Next native
- * data cache + `cacheLife`/`cacheTag` replace the Oxygen sub-request LRU.
+ * The `cache:` option is never passed to `graphql()` (no Oxygen sub-request
+ * LRU in this Next.js port).
  */
 const requestContext = createShopifyRequestContext({
   request: { headers: new Headers() },

next.config.ts

@@ -3,14 +3,10 @@ import type { NextConfig } from "next";
 /**
  * Next.js 16 config for the Hydrogen example.
  *
- * `cacheComponents: true` enables Cache Components / `use cache` (engineering.md
- * F2 native Next caching instead of the Oxygen sub-request LRU).
- *
  * No `next/image` remote patterns — we use plain `<img>` + the `hydrogen-image`
  * helper (F12; Hydrogen ships no Image component and we size CDN URLs ourselves).
  */
 const nextConfig: NextConfig = {
-  cacheComponents: true,
   // React Strict Mode is disabled because `@shopify/hydrogen/react`'s
   // `PredictiveSearchProvider` destroys its store in the Strict Mode effect
   // cleanup (double-invoke), and `useMemo` returns the same (now-destroyed)