Heading

npx @glasskit-ui/cli add heading

npm install @glasskit-ui/react

// components/lib/utils.tsexport type ClassValue = string | number | null | undefined | false;/** * Join truthy class names. Dependency-free on purpose: the lens components * style via bespoke semantic classes (no conflicting Tailwind utilities to * de-dupe), so this needs no clsx/tailwind-merge and resolves from anywhere * the registry is vendored. */export function cn(...inputs: ClassValue[]): string {  return inputs.filter(Boolean).join(" ");}/** * Accessible name from a free-form `label` prop: the label itself when it's a * plain string, otherwise undefined (a ReactNode can't become an aria-label). */export function stringLabel(label: unknown): string | undefined {  return typeof label === "string" ? label : undefined;}

// components/glasskit/heading.tsximport type { ReactNode } from "react";import { cn } from "../lib/utils";/** * <Heading> — a screen/section title with an optional eyebrow label above it. * Pure display. Use sparingly — one heading per view keeps the glance cheap. */export function Heading({  children,  eyebrow,  className,}: {  children: ReactNode;  /** Small tracked label above the title. */  eyebrow?: ReactNode;  className?: string;}) {  return (    <div className={cn("gk-heading", className)}>      {eyebrow != null ? (        <span className="gk-heading__eyebrow t-caption">{eyebrow}</span>      ) : null}      <h2 className="gk-heading__title t-title">{children}</h2>    </div>  );}