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subscribe-to-derived-state

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Optimize re-renders with derived state.

Software Engineering#performance#react#javascript#re-renders#derived state#ui optimization
Authorihj04982
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill helps optimize application performance by reducing unnecessary re-renders in UI components, particularly in JavaScript frameworks like React.

Core Features & Use Cases

  • Derived State Subscription: Enables subscribing to boolean states derived from continuous values, rather than the continuous values themselves.
  • Performance Optimization: Significantly reduces the frequency of component re-renders, leading to a smoother user experience and improved application responsiveness.
  • Use Case: In a web application, a sidebar might need to change its appearance based on screen width. Instead of re-rendering every time the window resizes (which can be many times per second), this Skill allows the component to re-render only when the derived boolean state (e.g., isMobile) actually changes.

Quick Start

Use the subscribe-to-derived-state skill to optimize the sidebar component by subscribing to the derived isMobile state.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: subscribe-to-derived-state
Download link: https://github.com/ihj04982/my-cursor-settings/archive/main.zip#subscribe-to-derived-state

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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