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What’s new80 new
BlocksPage header

Page header

A project page header that folds into a compact bar as you scroll, with tabs whose counts roll.

$pnpm dlx shadcn@latest add @uiarc/page-header
Live block · sample data
  1. Checkout redesign

Checkout redesign

On track

Rebuilding mobile checkout around saved payment methods and a single review step, then rolling it out in stages from October 14.

Emma CollinsMarcus JohnsonAva MitchellSofia Ramirez+1
Led by Emma CollinsTarget Oct 14
31 of 40 issues done78%

Milestones

  1. Saved payment methodsShipped Sep 18
  2. Single review stepIn progress, due Oct 1
  3. Staged rolloutPlanned for Oct 14

Recent activity

  • Ava Mitchell moved CHK-131 to review

    1h ago
  • Marcus Johnson merged the saved cards endpoint

    3h ago
  • Emma Collins shared Checkout flows v3

    Yesterday
  • Sofia Ramirez closed CHK-119, a double charge on retry

    Yesterday
  • Jasmine Brooks set the rollout date to October 14

    Sep 17

When to use

  • The top of a project, repository, or record page with breadcrumbs, status, people, and tabs.
  • Detail pages with long content where the header should fold into a compact bar as people scroll.
  • Headers that need a few primary actions plus an overflow menu for the rest.

When not to use

  • Use tabs and breadcrumb on their own when the page only needs navigation, not status and people.
  • Use workspace-sidebar for app-level navigation between sections.
  • Use settings-page for settings screens that need a section nav rather than a record header.

Installation

Add Page header with the shadcn CLI, or copy the source by hand.

$pnpm dlx shadcn@latest add @uiarc/page-headerpnpm dlx shadcn@latest add @uiarc/page-header

Adds the block and its local dependencies, and installs motion, lucide-react, @radix-ui/react-tabs, @radix-ui/react-dropdown-menu. First time? Add the @uiarc registry to components.json, or use the full URL:

Usage

Use this at the top of a project, repository, or record page. Connect breadcrumbs to your router, tab counts and status to your data, and Follow, Share update, New issue, and Archive to your API; every action in the preview is simulated.

example.tsx
1import { PageHeader } from "@/registry/blocks/page-header/page-header";2 3export default function ProjectPage() {4  return (5    <main>6      <PageHeader />7    </main>8  );9}
Built fromButtonBadgeAnimated counterAvatar groupAvatarProgress

API reference

PageHeader

A self-contained project header with breadcrumbs, status, members, progress, tabs and an actions menu that condenses into a compact bar on scroll. The project, people, tabs and counts are sample data declared at the top of page-header.tsx.

No props.

Keyboard interactions

Arrow keys
Move between tabs (Radix tabs) and through the actions menu, which loops.
EnterorSpace
Activates the focused tab or menu item.

Accessibility

  • Tabs use Radix roles (tab, tabpanel) and the current breadcrumb carries aria-current.
  • The icon-only actions trigger has aria-label="More actions"; disabled items use aria-disabled.
  • A polite role="status" region announces results of Follow, Share, Copy link and Archive.

Motion

  • Past a short scroll threshold the header folds into a compact bar; the tab indicator glides with a shared layoutId and counts roll with Animated counter.
  • Reduced motion swaps springs for fades, uses instant scroll instead of smooth, and keeps widths static.

Responsive behavior

  • A ResizeObserver moves secondary actions into the menu when the action row runs out of room.
  • Below a 560px container the root breadcrumb hides, the tab row scrolls sideways with a faded edge, and below 460px the create button drops to an icon.
  • The header condenses from the scroll of its own inner scroller, not the window, so page content must live inside that scroller.

Performance

  • Scroll handling only compares scrollTop to a 16px threshold, so it re-renders when crossing it, not on every frame.
  • Tab counts roll with Animated counter and the tab indicator uses a shared layoutId; both are cheap at a handful of tabs.

Notes for AI

Give your coding assistant the Markdown reference instead of screenshots.

  • Use at the top of a project, repository or record page that scrolls beneath it.
  • The block takes no props: replace the in-file project, people and tab data with your own, or lift them into props.
  • Follow, Share update, Copy link, New issue and Archive are simulated; wire them to your API and the breadcrumbs to your router.
  • Composes Arc Button, Badge, Animated counter, Avatar, Avatar group and Progress.
/components/blocks/page-header/markdown

The full library index for assistants is at /llms.txt.

Related

TabsComponentSwitch between related content in the same context.BreadcrumbComponentShow where a page sits in a hierarchy.Avatar groupComponentShow a team or set of contributors in a small space.Dropdown menuComponentA focused list of actions anchored to a trigger.Sidebar: WorkspaceProBlockA product sidebar with a workspace switcher, live search, draggable favorites, and inline projects.
PreviousTeam membersNextRevenue explorer
Arc · 75 block pagesllms.txt

On this page

  • Preview
  • When to use
  • When not to use
  • Installation
  • Usage
  • API reference
  • Keyboard
  • Accessibility
  • Motion
  • Responsive behavior
  • Performance
  • Notes for AI
  • Related
View as Markdown