Button group

npm install react-aria-components

"use client";

import type { ComponentProps } from "react";
import { Button, type ButtonProps } from "react-aria-components";

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

const item =
  "relative -ml-(--tui-button-group-border-width) inline-flex h-(--tui-button-group-height) cursor-default items-center justify-center gap-1.5 border-solid border-(length:--tui-button-group-border-width) border-(--tui-button-group-border) bg-(--tui-button-group-bg) px-(--tui-button-group-padding-x) font-(family-name:--tui-font) text-(length:--tui-button-group-font-size) leading-none font-(--tui-button-group-font-weight) whitespace-nowrap text-(--tui-button-group-fg) outline-none transition-colors duration-(--tui-duration) first:ml-0 first:rounded-l-(--tui-button-group-radius) last:rounded-r-(--tui-button-group-radius) aria-[current=true]:bg-(--tui-button-group-current-bg)! aria-[current=true]:text-(--tui-button-group-current-fg) data-disabled:opacity-(--tui-button-group-disabled-opacity) data-focus-visible:z-10 data-focus-visible:[outline:var(--tui-button-group-ring-width)_solid_var(--tui-button-group-ring)] data-focus-visible:[outline-offset:var(--tui-button-group-ring-offset)] data-hovered:bg-(--tui-button-group-bg-hover) data-pressed:bg-(--tui-button-group-bg-pressed) [&_svg]:size-4 [&_svg]:shrink-0";

/** Buttons that belong together, joined into one bar. Give it an aria-label that says what they are for. */
export function ButtonGroup({ className, ...props }: ComponentProps<"div">) {
  return <div role="group" {...props} className={join("inline-flex", className)} />;
}

export interface ButtonGroupItemProps extends Omit<ButtonProps, "className"> {
  /** Marks the one that is showing, when the group switches between views. */
  isCurrent?: boolean;
  className?: string;
}

export function ButtonGroupItem({ isCurrent, className, ...props }: ButtonGroupItemProps) {
  return <Button aria-current={isCurrent ? "true" : undefined} {...props} className={join(item, className)} />;
}

: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;

  /* Button group */
  --tui-button-group-height: calc(var(--tui-space) * 9);
  --tui-button-group-padding-x: calc(var(--tui-space) * 3.5);
  --tui-button-group-radius: var(--tui-radius);
  --tui-button-group-border-width: var(--tui-border-width);
  --tui-button-group-font-size: var(--tui-text);
  --tui-button-group-font-weight: 500;
  --tui-button-group-bg: var(--tui-bg);
  --tui-button-group-fg: var(--tui-fg);
  --tui-button-group-border: var(--tui-border);
  --tui-button-group-bg-hover: var(--tui-muted);
  --tui-button-group-bg-pressed: color-mix(in oklab, var(--tui-muted) 60%, var(--tui-border));
  --tui-button-group-current-bg: var(--tui-muted);
  --tui-button-group-current-fg: var(--tui-fg);
  --tui-button-group-ring: var(--tui-ring);
  --tui-button-group-ring-width: 2px;
  --tui-button-group-ring-offset: 2px;
  --tui-button-group-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;
}