Utilities

Metrics, viewers, progress, status, disclosure, tabs, and files.

• Brand — Product mark for AppShell chrome without application CSS.
• AccountSummary — Compact signed-in account summary for shell chrome.
• EnvironmentBanner — Non-production environment banner for shell chrome.
• NavStatus — Compact navigation status chip for shell sidebars.
• AppFooter — Typed application footer region for AppShell chrome.
• Metric — Display a labelled value and optional directional change.
• FileUpload — Choose one or more local files with advisory browser constraints.
• DownloadButton — Download an authorized same-origin resource with a safe filename.
• CodeViewer — Inspect bounded, escaped source text with optional language metadata.
• JSONViewer — Pretty-print bounded JSON-like data with recursive secret redaction.
• Progress — Show determinate completion with a native progress element.
• Status — Announce a concise operation state with a semantic tone.
• Toast — Render a polite, transient-looking status message.
• ToastHost — Frozen out-of-band toast sink at #hedron-toast.
• Expander — Reveal optional content with native details/summary behavior.
• Tabs — Render a small ARIA tablist with one initially active labelled panel and optional responsive appearance tokens.
• Sidebar — Render complementary page content with an accessible label.
• CircularProgress — Circular determinate/indeterminate progress with status text.
• HelpInspector — Bounded details/summary object or help inspector.