Enable Cache Components - #25
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Turn on `cacheComponents: true` and make every route prerenderable
(Direct adoption — no `instant = false` opt-outs).
Prerequisite config removal (these error under the flag; this canary also
rejects `dynamicParams`):
- Drop `dynamic`/`revalidate`/`dynamicParams` from the docs page, view page,
examples layout, and the og/llms route handlers. Unknown params still 404
via the existing in-handler `notFound()` checks.
Make data access prerenderable:
- Route handlers (`index.md`, `llms*.txt`, `llms.mdx/*`) cache their generated
text with `"use cache"` + `cacheLife("max")`, keyed by serializable slugs.
- `getRegistryItem` is cached with `"use cache"` (registry source is static).
Defer request-time / unstable reads behind Suspense so the shells prerender:
- Live component previews call `today()` (`Date.now()`); wrap `<Component/>` in
Suspense at each embed site (component-preview, view page, theme Blocks).
- fumadocs `ServerCodeBlock` reads `Date.now()` during client-component SSR,
which can't be cached; `ComponentCode` uses `await connection()` + Suspense to
render registry code blocks at request time.
`next build` is green; docs/view pages are Partial Prerender (◐), text routes
are static, og/search/llms.mdx are dynamic (ƒ).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Enables
cacheComponents: trueinapps/preskokand makes every route prerenderable. Direct adoption — noinstant = falseopt-outs anywhere.next buildis green: all 266 pages generate. Verified at runtime againstnext start(not just the build).Changes
Removed configs that error under the flag (this canary,
16.3.0-canary.66, also rejectsdynamicParams, not justdynamic/revalidate/fetchCache):notFound()checks.Cached static data access (
"use cache"+cacheLife("max")):index.md,llms.txt,llms-full.txt,llms.mdx/*cache their generated text, keyed by serializable slugs.getRegistryItem(registry source is static).Deferred request-time / unstable reads behind
<Suspense>so shells prerender:today()(Date.now()) → wrapped<Component/>in Suspense at each embed site (component-preview,view/[name], theme<Blocks/>).ServerCodeBlockreadsDate.now()during client-component SSR (can't be cached) →ComponentCodeusesawait connection()+ Suspense to render registry code blocks at request time.Resulting route types
◐Partial Prerender: docs pages, most/view/*(static shell + streamed code/previews)○Static:/theme,/components,/examples/authentication,/llms.txt,/index.md,/llms-full.txtƒDynamic:/api/search,/og,/og/docs/*,/llms.mdx/*(genuinely request-time)Reviewer notes / trade-offs
Date.now()during highlight SSR. Worth a fumadocs issue if we want them static again.revalidate = false→cacheLife("max")surfaces asRevalidate 30d / Expire 1y(was "never"). Negligible for deploy-rebuilt content./og/docs/*and/llms.mdx/*are nowƒrather than prebuilt-static; both verified working.next devover-reports these as blocking-prerender errors even whereconnection()makes the subtree legitimately dynamic — trustnext build.🤖 Generated with Claude Code