Rerender Transitions

Name: Rerender Transitions
Author: anubhavg-icpl

ASecurity

Use Transitions for Non-Urgent Updates. Use when you need help with rerender transitions.

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Added September 8, 2026

developmentgoreact

Security analysis

A100/100

Scanned September 8, 2026

npx -y skills add anubhavg-icpl/vibe --skill rerender-transitions --agent claude-code

Installs into .claude/skills of the current project.

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SKILL.md

---
name: rerender-transitions
description: Use Transitions for Non-Urgent Updates. Use when you need help with rerender transitions.
license: CC-BY-NC-SA-4.0
metadata:
  risk: unknown
  source: community
  kind: mode
  category: rules
---

## Use Transitions for Non-Urgent Updates

Mark frequent, non-urgent state updates as transitions to maintain UI responsiveness.

**Incorrect (blocks UI on every scroll):**

```tsx
function ScrollTracker() {
  const [scrollY, setScrollY] = useState(0);
  useEffect(() => {
    const handler = () => setScrollY(window.scrollY);
    window.addEventListener("scroll", handler, { passive: true });
    return () => window.removeEventListener("scroll", handler);
  }, []);
}
```

**Correct (non-blocking updates):**

```tsx
import { startTransition } from "react";

function ScrollTracker() {
  const [scrollY, setScrollY] = useState(0);
  useEffect(() => {
    const handler = () => {
      startTransition(() => setScrollY(window.scrollY));
    };
    window.addEventListener("scroll", handler, { passive: true });
    return () => window.removeEventListener("scroll", handler);
  }, []);
}
```