Button

npm install react-aria-components

"use client";

import type { ReactNode } from "react";
import { Button as AriaButton, type ButtonProps as AriaButtonProps } from "react-aria-components";

const base =
  "inline-flex shrink-0 cursor-default items-center justify-center gap-(--tui-button-gap) rounded-(--tui-button-radius) border-none font-(family-name:--tui-font) leading-none font-(--tui-button-font-weight) whitespace-nowrap outline-none transition-[background-color,scale] duration-(--tui-button-duration) ease-out select-none data-disabled:opacity-(--tui-button-disabled-opacity) data-focus-visible:[outline:var(--tui-button-ring-width)_solid_var(--tui-button-ring)] data-focus-visible:[outline-offset:var(--tui-button-ring-offset)] data-pressed:scale-(--tui-button-press-scale) [&_svg]:size-[1.25em] [&_svg]:shrink-0";

const variants = {
  solid: "bg-(--tui-button-solid-bg) text-(--tui-button-solid-fg) data-hovered:bg-(--tui-button-solid-bg-hover)",
  outline: "bg-(--tui-button-outline-bg) text-(--tui-button-outline-fg) data-hovered:bg-(--tui-button-outline-bg-hover)",
  ghost: "bg-transparent text-(--tui-button-ghost-fg) data-hovered:bg-(--tui-button-ghost-bg-hover)",
};

const sizes = {
  sm: "h-[calc(var(--tui-button-height)_-_8px)] text-[length:calc(var(--tui-button-font-size)_-_1px)]",
  md: "h-(--tui-button-height) text-(length:--tui-button-font-size)",
  lg: "h-[calc(var(--tui-button-height)_+_8px)] text-[length:calc(var(--tui-button-font-size)_+_1px)]",
};

export interface ButtonProps extends Omit<AriaButtonProps, "className" | "children"> {
  variant?: keyof typeof variants;
  size?: keyof typeof sizes;
  /** An icon before the label. With no label the button is a circle: give it an aria-label. */
  icon?: ReactNode;
  children?: ReactNode;
  className?: string;
}

export function Button({ variant = "solid", size = "md", icon, children, className, ...props }: ButtonProps) {
  return (
    <AriaButton data-slot="button" {...props} className={[base, variants[variant], sizes[size], children ? "px-(--tui-button-padding-x)" : "aspect-square rounded-full! p-0", className].filter(Boolean).join(" ")}>
      {icon}
      {children}
    </AriaButton>
  );
}

: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 */
  --tui-button-radius: calc(var(--tui-radius) * 3);
  --tui-button-height: calc(var(--tui-space) * 11);
  --tui-button-padding-x: calc(var(--tui-space) * 5.5);
  --tui-button-gap: calc(var(--tui-space) * 2);
  --tui-button-font-size: var(--tui-text);
  --tui-button-font-weight: 500;
  --tui-button-press-scale: 0.97;
  --tui-button-duration: 120ms;
  --tui-button-solid-bg: var(--tui-primary);
  --tui-button-solid-fg: var(--tui-primary-fg);
  --tui-button-solid-bg-hover: color-mix(in oklab, var(--tui-primary) 84%, var(--tui-bg));
  --tui-button-outline-bg: color-mix(in srgb, var(--tui-bg) 94%, var(--tui-fg));
  --tui-button-outline-fg: var(--tui-fg);
  --tui-button-outline-bg-hover: color-mix(in srgb, var(--tui-bg) 90%, var(--tui-fg));
  --tui-button-ghost-fg: var(--tui-fg);
  --tui-button-ghost-bg-hover: color-mix(in srgb, var(--tui-bg) 94%, var(--tui-fg));
  --tui-button-ring: var(--tui-ring);
  --tui-button-ring-width: 2px;
  --tui-button-ring-offset: 2px;
  --tui-button-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;
}