Dock

npm install react-aria-components

"use client";

import type { ReactNode } from "react";
import { Button, ToggleButton, ToggleButtonGroup, type ButtonProps, type ToggleButtonGroupProps, type ToggleButtonProps } from "react-aria-components";

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

const item =
  "flex size-(--tui-dock-item-size) shrink-0 cursor-default items-center justify-center rounded-(--tui-dock-item-radius) border-none bg-transparent text-(--tui-dock-fg) outline-none transition-[background-color,color,scale] duration-(--tui-dock-duration) ease-out data-disabled:opacity-(--tui-dock-disabled-opacity) data-focus-visible:[outline:var(--tui-dock-ring-width)_solid_var(--tui-dock-ring)] data-focus-visible:[outline-offset:var(--tui-dock-ring-offset)] data-hovered:bg-(--tui-dock-item-bg-hover) data-hovered:text-(--tui-dock-fg-hover) data-pressed:scale-92 [&_svg]:size-(--tui-dock-icon-size)";

/**
 * A floating bar of tools. One of them is the tool in hand: the bar keeps
 * track of which, and arrow keys move between them.
 */
export function Dock({ className, ...props }: Omit<ToggleButtonGroupProps, "className"> & { className?: string }) {
  return (
    <ToggleButtonGroup
      data-slot="dock"
      selectionMode="single"
      disallowEmptySelection
      {...props}
      className={join(
        "inline-flex items-center gap-(--tui-dock-gap) rounded-(--tui-dock-radius) bg-(--tui-dock-bg) p-(--tui-dock-padding) font-(family-name:--tui-font) shadow-(--tui-dock-shadow) data-[orientation=vertical]:flex-col",
        className,
      )}
    />
  );
}

/** A tool that can be the one in hand. It is an icon, so give it an aria-label. */
export function DockItem({ className, children, ...props }: Omit<ToggleButtonProps, "className" | "children"> & { children: ReactNode; className?: string }) {
  return (
    <ToggleButton data-slot="dock-item" {...props} className={join(item, "data-selected:bg-(--tui-dock-selected-bg)! data-selected:text-(--tui-dock-selected-fg)!", className)}>
      {children}
    </ToggleButton>
  );
}

/** Something the bar does at once, such as undo. It is never the tool in hand. */
export function DockAction({ className, children, ...props }: Omit<ButtonProps, "className" | "children"> & { children: ReactNode; className?: string }) {
  return (
    <Button data-slot="dock-action" {...props} className={join(item, className)}>
      {children}
    </Button>
  );
}

/** Room between two groups of tools. */
export function DockGap() {
  return <span aria-hidden className="block size-(--tui-dock-group-gap) shrink-0" />;
}

: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;

  /* Dock */
  --tui-dock-item-size: calc(var(--tui-space) * 10);
  --tui-dock-icon-size: 20px;
  --tui-dock-padding: calc(var(--tui-space) * 1.5);
  --tui-dock-gap: calc(var(--tui-space) * 1);
  --tui-dock-group-gap: calc(var(--tui-space) * 2);
  --tui-dock-radius: calc(var(--tui-radius) * 4);
  --tui-dock-item-radius: calc(var(--tui-radius) * 3);
  --tui-dock-shadow: 0 0 0 1px color-mix(in srgb, var(--tui-fg) 5%, transparent), 0 2px 6px rgb(0 0 0 / 0.04), 0 16px 40px rgb(0 0 0 / 0.1);
  --tui-dock-duration: 120ms;
  --tui-dock-bg: light-dark(var(--tui-bg), color-mix(in oklab, var(--tui-bg) 90%, var(--tui-fg)));
  --tui-dock-fg: var(--tui-muted-fg);
  --tui-dock-fg-hover: var(--tui-fg);
  --tui-dock-item-bg-hover: color-mix(in srgb, light-dark(var(--tui-bg), color-mix(in oklab, var(--tui-bg) 90%, var(--tui-fg))) 94%, var(--tui-fg));
  --tui-dock-selected-bg: var(--tui-primary);
  --tui-dock-selected-fg: var(--tui-primary-fg);
  --tui-dock-ring: var(--tui-ring);
  --tui-dock-ring-width: 2px;
  --tui-dock-ring-offset: 2px;
  --tui-dock-disabled-opacity: 0.5;
}

.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;
}