1 запись с тегом "referential equality"

TLDR:

React’s useCallback isn’t about making code “faster” by default—it’s about keeping function references stable so memoized components and hook dependencies behave predictably. This guide explains referential equality, the core performance use cases with React.memo and useEffect, common anti-patterns, and how Feature-Sliced Design supports scalable, low-coupling callback boundaries in large applications.