src/lib/components/ui/button/button.svelte

<script lang="ts" module>
	import { cn, type WithElementRef } from '$lib/utils.js';
	import type { HTMLAnchorAttributes, HTMLButtonAttributes } from 'svelte/elements';
	import { type VariantProps, tv } from 'tailwind-variants';

	export const buttonVariants = tv({
		base: "focus-visible:border-ring cursor-pointer border border-border focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive inline-flex shrink-0 items-center justify-center gap-2 rounded-md text-sm font-medium whitespace-nowrap transition-all outline-none focus-visible:ring-[3px] disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
		variants: {
			variant: {
				default:
					'bg-primary text-primary-foreground hover:bg-primary/90 shadow-xs disabled:bg-primary/50!',
				highlight:
					'bg-linear-to-br from-blue-500 to-sky-400 text-white hover:brightness-110 shadow-xs',
				destructive:
					'bg-destructive hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60 text-white shadow-xs',
				outline:
					'bg-background hover:bg-accent hover:text-accent-foreground dark:bg-gray-900/70 dark:border-border dark:hover:bg-gray-800/70 border shadow-xs text-gray-600 dark:text-gray-400',
				secondary: 'bg-secondary text-secondary-foreground hover:bg-secondary/80 shadow-xs',
				ghost:
					'hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50 border-transparent!',
				link: 'text-primary underline-offset-4 hover:underline',
				'outline-blue':
					'bg-blue-500/10 text-blue-500 border border-blue-500/20 hover:bg-blue-500/20 shadow-xs',
				'outline-destructive':
					'bg-rose-500/10 hover:bg-rose-500/20 text-rose-600 border border-rose-500/20 shadow-xs',
				amber: 'bg-amber-500 text-white hover:brightness-110 shadow-xs',
				transparent:
					'bg-gray-200/50 text-gray-500 hover:bg-gray-200/80 border-transparent! dark:bg-gray-800/50 dark:text-gray-400 dark:hover:bg-gray-800/80'
			},
			size: {
				default: 'h-9 px-4 py-2 has-[>svg]:px-3',
				sm: 'h-8 gap-1.5 rounded-md px-3 has-[>svg]:px-2.5',
				xs: 'h-7 gap-1 rounded-md px-2.5 has-[>svg]:px-2 text-xs!',
				'2xs': 'h-6 gap-1 rounded-md px-2 has-[>svg]:px-2 text-xs!',
				'3xs': 'h-5 gap-1 rounded-md px-2 has-[>svg]:px-2 text-[10px]!',
				lg: 'h-10 rounded-md px-6 has-[>svg]:px-4',
				icon: 'size-9',
				'icon-sm': 'size-8',
				'icon-lg': 'size-10',
				'icon-xs': 'size-7',
				'icon-2xs': 'size-6',
				'icon-3xs': 'size-4'
			}
		},
		defaultVariants: {
			variant: 'default',
			size: 'default'
		}
	});

	export type ButtonVariant = VariantProps<typeof buttonVariants>['variant'];
	export type ButtonSize = VariantProps<typeof buttonVariants>['size'];

	export type ButtonProps = WithElementRef<HTMLButtonAttributes> &
		WithElementRef<HTMLAnchorAttributes> & {
			variant?: ButtonVariant;
			size?: ButtonSize;
		};
</script>

<script lang="ts">
	let {
		class: className,
		variant = 'default',
		size = 'default',
		ref = $bindable(null),
		href = undefined,
		type = 'button',
		disabled,
		children,
		...restProps
	}: ButtonProps = $props();
</script>

{#if href}
	<a
		bind:this={ref}
		data-slot="button"
		class={cn(buttonVariants({ variant, size }), className)}
		href={disabled ? undefined : href}
		aria-disabled={disabled}
		role={disabled ? 'link' : undefined}
		tabindex={disabled ? -1 : undefined}
		{...restProps}
	>
		{@render children?.()}
	</a>
{:else}
	<button
		bind:this={ref}
		data-slot="button"
		class={cn(buttonVariants({ variant, size }), className)}
		{type}
		{disabled}
		{...restProps}
	>
		{@render children?.()}
	</button>
{/if}