javascript / expert
Snippet
The Hook Middleware Composition Pattern
Higher-order hooks (middleware) allow you to inject cross-cutting concerns like logging, analytics, or caching into existing hooks without modifying their internal logic. This promotes highly reusable and decoupled functional logic.
snippet.js
javascript
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const withLogging = (useBaseHook) => (args) => {const result = useBaseHook(args);useEffect(() => {console.log('Hook updated:', result);}, [result]);return result;};const useLoggedFetch = withLogging(useFetch);
react
Breakdown
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const withLogging = (useBaseHook) => (args) => {
A higher-order function that takes a hook and returns a new enhanced hook.
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const result = useBaseHook(args);
Executes the original hook logic within the new hook context.