async-defer-await

Move await operations into the branches where they're actually used to avoid blocking code paths that don't need them.

Skills
Web development
0

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.

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Install (Claude Code)

mkdir -p .claude/skills/async-defer-await && curl -fsSL https://doutorai.pt/data/lib/skills__async-defer-await.md -o .claude/skills/async-defer-await/SKILL.md

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Content

---
title: Defer Await Until Needed
impact: HIGH
impactDescription: avoids blocking unused code paths
tags: async, await, conditional, optimization
---

## Defer Await Until Needed

Move `await` operations into the branches where they're actually used to avoid blocking code paths that don't need them.

**Incorrect (blocks both branches):**

```typescript
async function handleRequest(userId: string, skipProcessing: boolean) {
  const userData = await fetchUserData(userId)
  
  if (skipProcessing) {
    // Returns immediately but still waited for userData
    return { skipped: true }
  }
  
  //

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