context-api-patterns

What problem does it solve?

Managing global state and avoiding prop drilling across deeply nested components can be complex without a clear Context API strategy. This Skill teaches effective patterns for using Context in React 19.

Core Features & Use Cases

• Basic Pattern: Learn to create and provide context, and consume it using the use() hook (React 19's replacement for useContext).
• Conditional Context Access: Leverage the use() hook's ability to access context inside conditionals, loops, or after early returns, offering greater flexibility.
• Splitting Contexts: Optimize performance by splitting large contexts into smaller, focused ones to prevent unnecessary re-renders.
• Avoiding Prop Drilling: Use Context to pass data deep into the component tree without manually passing props at every level.
• Use Case: Implement a global ThemeContext using the React 19 use() hook, allowing any component in the application to access and update the theme without prop drilling, and ensuring optimal performance by splitting contexts if needed.

Quick Start

Create a UserContext in src/contexts/UserContext.js using createContext and use(), and provide a UserProvider component.