shadcn-ui/apps/v4/examples/base/hover-card-demo.tsx

import { Avatar, AvatarFallback, AvatarImage } from "@/examples/base/ui/avatar"
import { Button } from "@/examples/base/ui/button"
import {
  HoverCard,
  HoverCardContent,
  HoverCardTrigger,
} from "@/examples/base/ui/hover-card"

export default function HoverCardDemo() {
  return (
    <HoverCard>
      <HoverCardTrigger
        delay={10}
        closeDelay={100}
        render={<Button variant="link" />}
      >
        Hover Here
      </HoverCardTrigger>
      <HoverCardContent className="flex w-64 flex-col gap-0.5">
        <div className="font-semibold">@nextjs</div>
        <div>The React Framework – created and maintained by @vercel.</div>
        <div className="mt-1 text-xs text-muted-foreground">
          Joined December 2021
        </div>
      </HoverCardContent>
    </HoverCard>
  )
}