OptionalcomponentOptionalpropsOptionalclassExtra CSS classes on the widget root (mirrors Angular class on widget JSON).
OptionalelRuntime DOM node when removing via addRemoveCB (not serialized).
OptionalsubNested grid options (recursive; uses React-extended widget children).
OptionallazyDefer rendering the component until the item scrolls into view (mirrors Angular lazyLoad).
Key in the
componentsmap passed to<GridStack components={...} />