Hooks gallery

Sets document body overflow hidden while active, restoring the previous style on cleanup.

Listens for pointer or touch events outside a ref element and closes floating UI.

Async copy to the system clipboard with copied and error state plus optional auto-reset.

Single state tuple that follows either controlled value props or internal default state.

Returns a value that updates only after the source has been stable for a delay.

Boolean open state with open, close, toggle, and setOpen helpers built on controllable state.

Syncs document.title from React and optionally restores the prior title on unmount.

Escape to close, initial focus into a container, and focus containment while open.

Pointer enter and leave tracking on the element attached via a ref callback.

Boolean intersection flag from a ref callback and shared IntersectionObserver options.

Low-level ref callback plus the latest IntersectionObserverEntry for custom logic.

Resolves to useLayoutEffect in the browser and useEffect on the server to avoid warnings.

Returns a stable function that reports whether the component is still mounted.

JSON-serialized state mirrored to localStorage with cross-tab storage events.

Subscribes to window.matchMedia and updates when the query result changes.

Boolean online flag wired to window online and offline events.

Tracks document.visibilityState for background tabs and mobile app switches.

Page index, item model, and navigation helpers including buildPaginationItems.

Resolves prefers-color-scheme to a light or dark string with SSR-friendly defaults.

Boolean for prefers-reduced-motion: reduce via the shared media query hook.

Observes element content box size via ResizeObserver and a ref callback.

JSON-serialized state mirrored to sessionStorage for the active tab session.

Wraps a callback so it runs at most once per interval based on wall-clock time.

Boolean state with toggle and explicit set helpers for simple on-off UI.

Tracks innerWidth and innerHeight with a resize listener on the window.