227 lines
7.0 KiB
Svelte
227 lines
7.0 KiB
Svelte
<!--
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Component: Button
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design-system button. Uppercase, zero border-radius, Space Grotesk.
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-->
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<script lang="ts">
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import { cn } from '$shared/shadcn/utils/shadcn-utils';
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import type { Snippet } from 'svelte';
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import type { HTMLButtonAttributes } from 'svelte/elements';
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import type {
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ButtonSize,
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ButtonVariant,
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IconPosition,
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} from './types';
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interface Props extends HTMLButtonAttributes {
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/**
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* Visual style variant
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* @default 'secondary'
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*/
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variant?: ButtonVariant;
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/**
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* Button size
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* @default 'md'
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*/
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size?: ButtonSize;
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/**
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* Icon snippet
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*/
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icon?: Snippet;
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/**
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* Icon placement
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* @default 'left'
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*/
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iconPosition?: IconPosition;
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/**
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* Active toggle state
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* @default false
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*/
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active?: boolean;
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/**
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* Tap animation
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* Primary uses translate, others use scale
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* @default true
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*/
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animate?: boolean;
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/**
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* Content snippet
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*/
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children?: Snippet;
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/**
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* CSS classes
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*/
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class?: string;
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}
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let {
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variant = 'secondary',
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size = 'md',
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icon,
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iconPosition = 'left',
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active = false,
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animate = true,
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children,
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class: className,
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type = 'button',
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disabled,
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...rest
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}: Props = $props();
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// Square sizing when icon is present but there is no text label
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const isIconOnly = $derived(!!icon && !children);
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const variantStyles: Record<ButtonVariant, string> = {
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primary: cn(
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'bg-swiss-red text-white',
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'hover:bg-swiss-red/90',
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'active:bg-swiss-red/80',
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'border border-swiss-red',
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'shadow-[0.125rem_0.125rem_0_0_rgba(0,0,0,0.1)]',
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'hover:shadow-[0.1875rem_0.1875rem_0_0_rgba(0,0,0,0.15)]',
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'active:shadow-[0.0625rem_0.0625rem_0_0_rgba(0,0,0,0.08)]',
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'active:translate-x-[0.0625rem] active:translate-y-[0.0625rem]',
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'disabled:bg-neutral-300 dark:disabled:bg-neutral-700',
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'disabled:text-neutral-500 dark:disabled:text-neutral-500',
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'disabled:border-neutral-300 dark:disabled:border-neutral-700',
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'disabled:shadow-none',
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'disabled:cursor-not-allowed',
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'disabled:transform-none',
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),
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secondary: cn(
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'bg-surface dark:bg-paper',
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'text-swiss-black dark:text-neutral-200',
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'border border-black/10 dark:border-white/10',
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'hover:bg-paper dark:hover:bg-neutral-800',
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'hover:shadow-sm',
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'active:bg-neutral-100 dark:active:bg-neutral-700',
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'disabled:bg-neutral-100 dark:disabled:bg-neutral-800',
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'disabled:text-neutral-400 dark:disabled:text-neutral-600',
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'disabled:cursor-not-allowed',
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),
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outline: cn(
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'bg-transparent',
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'text-swiss-black dark:text-neutral-200',
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'border border-black/20 dark:border-white/20',
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'hover:bg-surface dark:hover:bg-paper',
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'hover:border-brand',
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'active:bg-paper dark:active:bg-neutral-700',
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'disabled:border-neutral-300 dark:disabled:border-neutral-700',
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'disabled:text-neutral-400 dark:disabled:text-neutral-600',
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'disabled:cursor-not-allowed',
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),
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ghost: cn(
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'bg-transparent',
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'text-neutral-500 dark:text-neutral-400',
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'border border-transparent',
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'hover:bg-transparent dark:hover:bg-transparent',
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'hover:text-brand dark:hover:text-brand',
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'active:bg-transparent dark:active:bg-transparent',
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'disabled:text-neutral-400 dark:disabled:text-neutral-600',
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'disabled:cursor-not-allowed',
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),
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icon: cn(
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'bg-surface dark:bg-dark-bg',
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'text-neutral-500 dark:text-neutral-400',
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'border border-transparent',
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'hover:bg-paper dark:hover:bg-paper',
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'hover:text-brand',
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'hover:border-black/5 dark:hover:border-white/10',
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'active:bg-paper dark:active:bg-neutral-700',
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'disabled:text-neutral-400 dark:disabled:text-neutral-600',
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'disabled:cursor-not-allowed',
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),
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tertiary: cn(
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// Font override — must come after base in cn() to win via tailwind-merge
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'font-secondary font-medium normal-case tracking-normal',
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// Inactive state
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'bg-transparent',
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'text-neutral-400 dark:text-neutral-400',
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'border border-transparent',
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// Hover (inactive) — semi-transparent lift, no bg-paper token
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'hover:bg-white/50 dark:hover:bg-[#1e1e1e]/50',
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'hover:text-neutral-900 dark:hover:text-neutral-100',
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'hover:border-black/5 dark:hover:border-white/10',
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// Press
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'active:bg-white/70 dark:active:bg-[#1e1e1e]/70',
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// Disabled
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'disabled:text-neutral-300 dark:disabled:text-neutral-600',
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'disabled:cursor-not-allowed',
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),
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};
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const sizeStyles: Record<ButtonSize, string> = {
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xs: 'h-6 px-2 text-[9px] gap-1',
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sm: 'h-8 px-3 text-[10px] gap-1.5',
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md: 'h-10 px-4 text-[11px] gap-2',
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lg: 'h-12 px-6 text-[12px] gap-2',
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xl: 'h-14 px-8 text-[13px] gap-2.5',
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};
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// Square padding for icon-only mode
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const iconSizeStyles: Record<ButtonSize, string> = {
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xs: 'h-6 w-6 p-1',
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sm: 'h-8 w-8 p-1.5',
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md: 'h-10 w-10 p-2',
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lg: 'h-12 w-12 p-2.5',
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xl: 'h-14 w-14 p-3',
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};
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const activeStyles: Partial<Record<ButtonVariant, string>> = {
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secondary: 'bg-paper dark:bg-paper shadow-sm border-black/20 dark:border-white/20',
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tertiary:
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'bg-paper dark:bg-[#1e1e1e] border-black/10 dark:border-white/10 shadow-sm text-neutral-900 dark:text-neutral-100',
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ghost: 'bg-transparent dark:bg-transparent text-brand dark:text-brand',
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outline: 'bg-surface dark:bg-paper border-brand',
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icon: 'bg-paper dark:bg-paper text-brand border-black/5 dark:border-white/10',
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};
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const classes = $derived(cn(
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// Base
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'inline-flex items-center justify-center',
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'font-primary font-bold tracking-tight uppercase',
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'rounded-none',
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'transition-all duration-200',
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'select-none',
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'outline-none',
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'cursor-pointer',
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'focus-visible:ring-2 focus-visible:ring-brand focus-visible:ring-offset-2',
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'focus-visible:ring-offset-surface dark:focus-visible:ring-offset-dark-bg',
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'disabled:cursor-not-allowed disabled:pointer-events-none',
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// Variant
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variantStyles[variant],
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// Size (square when icon-only)
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isIconOnly ? iconSizeStyles[size] : sizeStyles[size],
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// Animate (CSS tap scale — excluded for primary which uses translate instead)
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animate && !disabled && variant !== 'primary' && 'active:scale-[0.97]',
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// Active override
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active && activeStyles[variant],
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// Consumer override
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className,
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));
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</script>
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<button
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{type}
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{disabled}
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class={classes}
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{...rest}
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>
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{#if icon && iconPosition === 'left'}
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<span class="shrink-0 flex items-center justify-center">
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{@render icon()}
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</span>
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{/if}
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{#if children}
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<span class="whitespace-nowrap leading-none">
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{@render children()}
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</span>
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{/if}
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{#if icon && iconPosition === 'right'}
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<span class="shrink-0 flex items-center justify-center">
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{@render icon()}
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</span>
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{/if}
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</button>
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