Breadcrumbs

npm install react-aria-components

"use client";

import type { ReactNode } from "react";
import { Breadcrumb as AriaBreadcrumb, Breadcrumbs as AriaBreadcrumbs, Link, type BreadcrumbProps as AriaBreadcrumbProps, type BreadcrumbsProps as AriaBreadcrumbsProps } from "react-aria-components";

const join = (...classes: (string | undefined)[]) => classes.filter(Boolean).join(" ");

const styles = {
  root: "m-0 flex list-none flex-wrap items-center gap-(--tui-breadcrumbs-gap) p-0 font-(family-name:--tui-font) text-(length:--tui-breadcrumbs-font-size) leading-none",
  item: "group flex items-center gap-(--tui-breadcrumbs-gap)",
  link: "cursor-default rounded-(--tui-breadcrumbs-radius) text-(--tui-breadcrumbs-fg) no-underline outline-none transition-colors duration-(--tui-duration) data-current:font-(--tui-breadcrumbs-current-weight) data-current:text-(--tui-breadcrumbs-current)! data-focus-visible:[outline:var(--tui-breadcrumbs-ring-width)_solid_var(--tui-breadcrumbs-ring)] data-focus-visible:[outline-offset:var(--tui-breadcrumbs-ring-offset)] data-hovered:text-(--tui-breadcrumbs-fg-hover)",
  separator: "text-(--tui-breadcrumbs-separator) select-none group-last:hidden",
};

export function Breadcrumbs<T extends object>({ className, ...props }: Omit<AriaBreadcrumbsProps<T>, "className"> & { className?: string }) {
  return <AriaBreadcrumbs {...props} className={join(styles.root, className)} />;
}

export interface BreadcrumbProps extends Omit<AriaBreadcrumbProps, "className" | "children"> {
  /** Where it goes. The last crumb, the current page, has none. */
  href?: string;
  /** What sits between this crumb and the next. */
  separator?: ReactNode;
  children: ReactNode;
  className?: string;
}

export function Breadcrumb({ href, separator = "/", children, className, ...props }: BreadcrumbProps) {
  return (
    <AriaBreadcrumb {...props} className={join(styles.item, className)}>
      <Link href={href} className={styles.link}>
        {children}
      </Link>
      <span aria-hidden className={styles.separator}>
        {separator}
      </span>
    </AriaBreadcrumb>
  );
}

:root {
  color-scheme: light;
  --tui-bg: #ffffff;
  --tui-fg: #0a0a0a;
  --tui-muted: #f5f5f5;
  --tui-muted-fg: #737373;
  --tui-border: #e5e5e5;
  --tui-primary: #171717;
  --tui-primary-fg: #fafafa;
  --tui-ring: #a3a3a3;
  --tui-success: #16a34a;
  --tui-warning: #d97706;
  --tui-danger: #dc2626;
  --tui-radius: 8px;
  --tui-border-width: 1px;
  --tui-space: 4px;
  --tui-shadow: none;
  --tui-font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --tui-text: 14px;
  --tui-duration: 150ms;

  /* Breadcrumbs */
  --tui-breadcrumbs-gap: calc(var(--tui-space) * 2);
  --tui-breadcrumbs-radius: calc(var(--tui-radius) * 0.5);
  --tui-breadcrumbs-font-size: var(--tui-text);
  --tui-breadcrumbs-fg: var(--tui-muted-fg);
  --tui-breadcrumbs-separator: var(--tui-border);
  --tui-breadcrumbs-fg-hover: var(--tui-fg);
  --tui-breadcrumbs-current: var(--tui-fg);
  --tui-breadcrumbs-current-weight: 500;
  --tui-breadcrumbs-ring: var(--tui-ring);
  --tui-breadcrumbs-ring-width: 2px;
  --tui-breadcrumbs-ring-offset: 2px;
}

.dark,
[data-theme="dark"] {
  color-scheme: dark;
  --tui-bg: #0a0a0a;
  --tui-fg: #fafafa;
  --tui-muted: #1c1c1c;
  --tui-muted-fg: #a3a3a3;
  --tui-border: #2a2a2a;
  --tui-primary: #fafafa;
  --tui-primary-fg: #171717;
  --tui-ring: #737373;
  --tui-success: #22c55e;
  --tui-warning: #f59e0b;
  --tui-danger: #ef4444;
}