🔧 React useMeasure Hook: Measure DOM Elements with ResizeObserver (2026)

Sooner or later every React app needs to know how big an element is. A chart needs its container's pixel width before it can draw. A virtualized list needs row heights. An auto-growing textarea, a truncation detector, a component that switches layout when it — not the viewport — gets narrow: all of them need live element dimensions, and React...