server-cache-react

Use React.cache() for server-side request deduplication. Authentication and database queries benefit most.

Skills
Web development
2

What it does and how to use it

A skill that teaches Claude Code to do web development tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
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Install (Claude Code)

mkdir -p .claude/skills/server-cache-react && curl -fsSL https://doutorai.pt/data/lib/skills__server-cache-react.md -o .claude/skills/server-cache-react/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
title: Per-Request Deduplication with React.cache()
impact: HIGH
impactDescription: deduplicates within request
tags: server, cache, react-cache, deduplication
---

## Per-Request Deduplication with React.cache()

Use `React.cache()` for server-side request deduplication. Authentication and database queries benefit most.

**Usage:**

```typescript
import { cache } from 'react'

export const getCurrentUser = cache(async () => {
  const session = await auth()
  if (!session?.user?.id) return null
  return await db.user.findUnique({
    where: { id: session.user.id }
  })
})
```

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