Phase 9c · Tier A

RN-universal HoverCard pilot

Scaffolded

Richer-content tooltip. Anchored panel that persists when the pointer enters the content. openDelay 700ms / closeDelay 300ms by default — matches Radix HoverCard.

Side-by-side: hover for profile preview

shadcn (Radix)
RN

On touch, RN's hover-card toggles via press (no hover exists on mobile). The panel persists when the pointer enters it on web, so consumers can include links or actions inside.

Semantics

AspectshadcnRNNotes
Trigger eventspointerenter / focusonHoverIn / onFocusPlus press on touch
Persists on enteryesyes (onPointerEnter cancels hide)Tooltip dismisses; HoverCard stays
openDelay700 ms700 msPer-card prop
closeDelay300 ms300 msPer-card prop
Panel chromebackground bg, borderbackground bg, borderSame as Popover, not Tooltip pill