useContextSelector

ByteFE

Feb 8, 2023 · Frontend Development

React Context Re‑render Issues and an Optimized use‑context‑selector Implementation

This article explains why passing an object as a React Context Provider value can cause unnecessary re‑renders, introduces the community‑made use‑context‑selector library to mitigate the problem, analyzes its limitations, and presents a custom optimized implementation using useSyncExternalStore for precise component updates.