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⚡ Bolt: Memoize expensive auth and DB queries with React cache#32

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⚡ Bolt: Memoize expensive auth and DB queries with React cache#32
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Bolt: Memoize expensive auth and DB queries with React cache

💡 What:

Implemented request-level memoization for common authentication and database query functions using React's cache() utility.

🎯 Why:

In Next.js App Router applications, functions like getUser are often called in multiple places within a single request (e.g., Root Layout, Dashboard Layout, and individual pages). Without memoization, each call would trigger a redundant JWT verification and a database query, wasting CPU cycles and increasing database load.

📊 Impact:

  • Reduces JWT verifications: Crypto operations are now performed exactly once per request.
  • Reduces DB Load: Redundant user and team lookups are eliminated for the same request lifecycle.
  • Improves response times: Shaves off milliseconds by serving cached results for subsequent calls.

🔬 Measurement:

Verified with pnpm exec tsc --noEmit to ensure no regressions or type errors. The performance benefit is inherent to the React cache() mechanism for Server Components.

📜 Journal Entry:

Added a new entry to .jules/bolt.md detailing the use of cache() for request-level memoization in Next.js.


PR created automatically by Jules for task 12146610007368210945 started by @RAbuseedo

Implemented request-level memoization for common authentication and database query functions using React's `cache()` utility. This optimization ensures that expensive operations like JWT verification and user lookups are only performed once per request lifecycle, even when called across multiple components (Layout, Page, Metadata).

- Wrapped `verifyToken` in `lib/auth/session.ts` with `cache()`.
- Wrapped `getUser`, `getUserWithTeam`, and `getTeamForUser` in `lib/db/queries.ts` with `cache()`.
- Refactored functions to `const` declarations and ensured proper definition order to avoid temporal dead zone issues.
- Verified type safety with `pnpm exec tsc --noEmit`.
- Documented learning in `.jules/bolt.md`.

Co-authored-by: RAbuseedo <97478862+RAbuseedo@users.noreply.github.com>
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