add ActionSelect component

src/lib/ActionSelect.svelte

@@ -0,0 +1,109 @@
+<script lang="ts" module>
+	export type ButtonSelectOption = {
+		icon?:
+			| { component: Component; props: Record<string, any> }
+			| Snippet<[opt: ButtonSelectOption]>;
+		title: string | Snippet<[opt: ButtonSelectOption]>;
+		onchoose?: (opt: ButtonSelectOption) => void;
+	};
+</script>
+
+<script lang="ts">
+	import { Select } from 'melt/builders';
+	import type { Component, Snippet } from 'svelte';
+	import Label from './Label.svelte';
+	import Button from './Button.svelte';
+	import { CaretDown, Check } from 'phosphor-svelte';
+	import type { ClassValue } from 'svelte/elements';
+
+	interface Props {
+		label?: string;
+		placeholder?: string;
+		stateless?: boolean;
+		options: ButtonSelectOption[];
+		class?: ClassValue | null | undefined;
+	}
+
+	let {
+		label,
+		placeholder = 'Choose an action',
+		stateless = true,
+		options,
+		class: classValue
+	}: Props = $props();
+
+	const select = new Select<ButtonSelectOption>({
+		onValueChange: (value) => {
+			value?.onchoose?.(value);
+		}
+	});
+</script>
+
+<div>
+	{#if label}
+		<Label {...select.label}>{label}</Label>
+	{/if}
+
+	<Button class={['flex w-full items-center rounded-xl!', classValue]} {...select.trigger}>
+		{#if stateless || !select.value}
+			{placeholder}
+		{:else}
+			{@render icon(select.value)}
+			{@render title(select.value)}
+		{/if}
+
+		<CaretDown
+			weight="bold"
+			size="1.1em"
+			class={[select.open && '-scale-y-100', 'ml-auto transition-transform']}
+		/>
+	</Button>
+
+	<div class={['border-sui-accent space-y-1 rounded-xl border p-2 shadow-md']} {...select.content}>
+		{#each options as option}
+			<button
+				class={[
+					'flex w-full items-center gap-3 rounded px-5 py-2 text-base font-medium transition-colors',
+					stateless
+						? [select.highlighted?.title === option.title && 'bg-sui-text-100', 'cursor-pointer']
+						: [
+								select.highlighted?.title === option.title &&
+									'bg-sui-accent/80 text-sui-background',
+								select.value?.title === option.title && 'bg-sui-accent text-sui-background'
+							]
+				]}
+				{...select.getOption(option, typeof option.title === 'string' ? option.title : undefined)}
+			>
+				{@render icon(option)}
+				{@render title(option)}
+
+				{#if !stateless}
+					<Check
+						size="1.1em"
+						weight="bold"
+						class={[
+							select.value?.title === option.title ? 'opacity-100' : 'opacity-0',
+							'ml-auto transition-opacity'
+						]}
+					/>
+				{/if}
+			</button>
+		{/each}
+	</div>
+</div>
+
+{#snippet title(opt: ButtonSelectOption)}
+	{#if typeof opt.title === 'string'}
+		{opt.title}
+	{:else}
+		{@render opt.title(opt)}
+	{/if}
+{/snippet}
+
+{#snippet icon(opt: ButtonSelectOption)}
+	{#if opt.icon && typeof opt.icon === 'object'}
+		<opt.icon.component {...opt.icon.props} />
+	{:else if opt.icon}
+		{@render opt.icon(opt)}
+	{/if}
+{/snippet}