feat: init

registry/ui/button/button.svelte

@@ -0,0 +1,113 @@
+<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 type CladdColor =
+		| 'neutral'
+		| 'brand'
+		| 'red'
+		| 'pink'
+		| 'purple'
+		| 'blue'
+		| 'cyan'
+		| 'lime'
+		| 'green'
+		| 'yellow'
+		| 'orange';
+
+	export const buttonVariants = tv({
+		base: "cladd-clickable cladd-focusable relative inline-flex shrink-0 cursor-pointer items-center justify-center gap-2 font-semibold whitespace-nowrap select-none disabled:pointer-events-none disabled:*:opacity-40 aria-disabled:pointer-events-none aria-disabled:*:opacity-40 aria-invalid:outline-destructive [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+		variants: {
+			variant: {
+				default:
+					'cladd-surface cladd-gradient cladd-outline cladd-hoverable cladd-color-brand text-cladd-primary',
+				destructive:
+					'cladd-surface cladd-gradient cladd-outline cladd-hoverable cladd-color-red text-cladd-primary',
+				outline: 'cladd-surface cladd-gradient cladd-outline cladd-hoverable text-cladd-fg',
+				secondary: 'cladd-surface cladd-gradient cladd-hoverable text-cladd-fg',
+				ghost: 'cladd-ghost cladd-hoverable text-cladd-fg',
+				fill: 'cladd-surface cladd-gradient-fill cladd-outline cladd-hoverable',
+				link: 'text-cladd-primary cladd-color-brand underline-offset-4 hover:underline'
+			},
+			size: {
+				default: 'h-cladd-md rounded-cladd-md px-2.5 text-cladd-xs',
+				xs: 'h-cladd-xs gap-1.5 rounded-cladd-xs px-2 text-cladd-xs [&_svg:not([class*=size-])]:size-3',
+				sm: 'h-cladd-sm gap-1.5 rounded-cladd-sm px-2.5 text-cladd-xs',
+				lg: 'h-cladd-lg rounded-cladd-lg px-3 text-cladd-xs',
+				xl: 'h-cladd-xl rounded-cladd-xl px-3.5 text-cladd-sm',
+				icon: 'size-cladd-md rounded-cladd-md',
+				'icon-xs': 'size-cladd-xs rounded-cladd-xs [&_svg:not([class*=size-])]:size-3',
+				'icon-sm': 'size-cladd-sm rounded-cladd-sm',
+				'icon-lg': 'size-cladd-lg rounded-cladd-lg'
+			},
+			rounded: {
+				true: 'rounded-full',
+				false: ''
+			}
+		},
+		compoundVariants: [{ variant: 'link', class: 'h-auto px-0 rounded-none' }],
+		defaultVariants: {
+			variant: 'default',
+			size: 'default',
+			rounded: false
+		}
+	});
+
+	/** Swaps the variant's accent for an explicit one: `<Button color="green">`. */
+	export function withColor(classes: string, color?: CladdColor) {
+		if (!color) return classes;
+		return `${classes.replace(/\bcladd-color-\w+/g, '')} cladd-color-${color}`;
+	}
+
+	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;
+			rounded?: boolean;
+			color?: CladdColor;
+		};
+</script>
+
+<script lang="ts">
+	let {
+		class: className,
+		variant = 'default',
+		size = 'default',
+		rounded = false,
+		color,
+		ref = $bindable(null),
+		href = undefined,
+		type = 'button',
+		disabled,
+		children,
+		...restProps
+	}: ButtonProps = $props();
+
+	const classes = $derived(
+		cn(withColor(buttonVariants({ variant, size, rounded }), color), className)
+	);
+</script>
+
+<!-- Content sits in its own box so the press can shrink it while the surface stays put. -->
+{#if href}
+	<a
+		bind:this={ref}
+		data-slot="button"
+		class={classes}
+		href={disabled ? undefined : href}
+		aria-disabled={disabled}
+		role={disabled ? 'link' : undefined}
+		tabindex={disabled ? -1 : undefined}
+		{...restProps}
+	>
+		<span data-slot="button-content" class="cladd-button-content">{@render children?.()}</span>
+	</a>
+{:else}
+	<button bind:this={ref} data-slot="button" class={classes} {type} {disabled} {...restProps}>
+		<span data-slot="button-content" class="cladd-button-content">{@render children?.()}</span>
+	</button>
+{/if}

registry/ui/button/index.ts

@@ -0,0 +1,21 @@
+import Root, {
+	type ButtonProps,
+	type ButtonSize,
+	type ButtonVariant,
+	type CladdColor,
+	buttonVariants,
+	withColor
+} from './button.svelte';
+
+export {
+	Root,
+	type ButtonProps as Props,
+	//
+	Root as Button,
+	buttonVariants,
+	withColor,
+	type CladdColor,
+	type ButtonProps,
+	type ButtonSize,
+	type ButtonVariant
+};