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Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: memoization
When React Memoization Backfires: Why Fewer Renders Made the App Slower
When React memoization backfires: memo, useMemo and useCallback added cost and stale closures to a big page. Moving state and profiling the flow fixed it.
13 min readWhy React.memo Keeps Re-Rendering: Reference Identity in Props
See how React.memo compares props, why inline functions, objects and arrays defeat it, how to stabilise references, and why profiling should come before memoizing.
5 min readWhat React Compiler Optimizes and What It Leaves on Your Plate
Understand which performance work React Compiler automates, why slow APIs and heavy bundles stay your job, and how to adopt it safely in an existing React codebase.
6 min read
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