0.3.5

package.json

@@ -4,7 +4,7 @@
 		"type": "git",
 		"url": "https://gitea.auvem.com/svelte-toolkit/sui.git"
 	},
-	"version": "0.3.1",
+	"version": "0.3.5",
 	"scripts": {
 		"dev": "vite dev",
 		"build": "vite build && pnpm run prepack",

src/lib/Banner.svelte

@@ -0,0 +1,228 @@
+<script lang="ts" module>
+	export interface BannerAPI {
+		/** opens the banner */
+		open: () => void;
+		/** closes the banner */
+		close: () => void;
+		/** returns whether the banner is open */
+		isOpen: () => boolean;
+		/** disables banner controls */
+		disable: () => void;
+		/** enables banner controls */
+		enable: () => void;
+		/** returns whether the banner controls are disabled */
+		isDisabled: () => boolean;
+		/** freezes banner state (cannot be dismissed) */
+		freeze: () => void;
+		/** unfreezes banner state */
+		unfreeze: () => void;
+		/** returns whether the banner is frozen */
+		isFrozen: () => boolean;
+	}
+
+	type BannerControlButton = {
+		label?: string;
+		class?: ClassValue;
+		/** if framed is false, FramelessButton is used instead of Button */
+		framed?: boolean;
+		action?: (banner: BannerAPI) => void;
+	};
+
+	export type BannerControls = {
+		accept?: BannerControlButton | null;
+		decline?: BannerControlButton | null;
+		moreInfo?:
+			| (Omit<BannerControlButton, 'framed'> & {
+					type?: 'link' | 'framed' | 'frameless';
+					href?: string;
+			  })
+			| null;
+		dismiss?: Omit<BannerControlButton, 'framed'> | null;
+		/** if true, accept and decline buttons are swapped with more info */
+		swap?: boolean | null;
+	};
+
+	const defaultBannerControls: BannerControls = {
+		accept: {
+			label: 'Accept',
+			framed: true,
+			action: (banner) => banner.close()
+		},
+		decline: {
+			label: 'Decline',
+			framed: false,
+			action: (banner) => banner.close()
+		},
+		dismiss: {
+			action: (banner) => banner.close()
+		},
+		swap: false
+	};
+</script>
+
+<script lang="ts">
+	import type { Snippet } from 'svelte';
+	import type { ClassValue } from 'svelte/elements';
+	import Link from './Link.svelte';
+	import Button from './Button.svelte';
+	import FramelessButton from './FramelessButton.svelte';
+	import { X } from 'phosphor-svelte';
+	import { mergeOverrideObject } from './util';
+
+	/**
+	 * Banner provides a simple component to display a banner message with
+	 * additional tooling for easy control integration. Controls tools are
+	 * geared toward cookie consent, announcements, and similar use cases.
+	 */
+
+	interface Props {
+		title?: string;
+		open?: boolean;
+		disabled?: boolean;
+		frozen?: boolean;
+		position?: 'top' | 'bottom';
+		controls?: BannerControls | null;
+		/** if true, frameless buttons and links are inverted (default: true) */
+		invertFrameless?: boolean;
+		class?: ClassValue | null;
+		onaccept?: (banner: BannerAPI) => void;
+		ondecline?: (banner: BannerAPI) => void;
+		children?: Snippet;
+	}
+
+	let {
+		title,
+		open = $bindable(false),
+		disabled = $bindable(false),
+		frozen = $bindable(false),
+		position,
+		controls: rawControls = defaultBannerControls,
+		invertFrameless = true,
+		class: classValue,
+		onaccept,
+		ondecline,
+		children
+	}: Props = $props();
+
+	const controls = $derived(mergeOverrideObject(defaultBannerControls, rawControls));
+
+	const api: BannerAPI = {
+		open: () => (open = true),
+		close: () => (open = false),
+		isOpen: () => open,
+		disable: () => (disabled = true),
+		enable: () => (disabled = false),
+		isDisabled: () => disabled,
+		freeze: () => (frozen = true),
+		unfreeze: () => (frozen = false),
+		isFrozen: () => frozen
+	};
+
+	const handleAccept = () => {
+		controls.accept?.action?.(api);
+		onaccept?.(api);
+	};
+	const handleDecline = () => {
+		controls.decline?.action?.(api);
+		ondecline?.(api);
+	};
+</script>
+
+{#if open}
+	<div
+		class={[
+			'fixed left-0 z-50 w-screen px-8 py-6',
+			position === 'top' ? 'top-0' : 'bottom-0',
+			'bg-sui-secondary-800 text-sui-background',
+			classValue
+		]}
+	>
+		{#if title || controls?.dismiss}
+			<div class="mb-2 flex items-center justify-between gap-4">
+				{#if title}
+					<h3 class="mb-2 text-lg font-semibold">{title}</h3>
+				{/if}
+
+				{#if controls?.dismiss}
+					<FramelessButton
+						inverted={invertFrameless}
+						onclick={() => controls.dismiss?.action?.(api)}
+						class="ml-auto"
+					>
+						{#if controls.dismiss?.label}
+							{controls.dismiss.label}
+						{/if}
+						<X class="mt-0.5" size="1.2rem" weight="bold" />
+					</FramelessButton>
+				{/if}
+			</div>
+		{/if}
+
+		{@render children?.()}
+
+		{#if controls !== null}
+			<div
+				class={['mt-4 flex flex-wrap justify-between gap-4', controls.swap && 'flex-row-reverse']}
+			>
+				<!-- More info button/link -->
+				{#if controls.moreInfo}
+					{#if controls.moreInfo.type === 'link' && controls.moreInfo.href}
+						<Link
+							href={controls.moreInfo.href}
+							class={controls.moreInfo.class}
+							inverted={invertFrameless}
+						>
+							{controls.moreInfo.label || 'More Info'}
+						</Link>
+					{:else if controls.moreInfo.type === 'framed'}
+						<Button
+							class={controls.moreInfo.class}
+							onclick={() => controls.moreInfo?.action?.(api)}
+						>
+							{controls.moreInfo.label || 'More Info'}
+						</Button>
+					{:else}
+						<FramelessButton
+							class={controls.moreInfo.class}
+							onclick={() => controls.moreInfo?.action?.(api)}
+							inverted={invertFrameless}
+						>
+							{controls.moreInfo.label || 'More Info'}
+						</FramelessButton>
+					{/if}
+				{/if}
+
+				<div
+					class={['flex justify-end gap-4', controls.swap ? 'mr-auto flex-row-reverse' : 'ml-auto']}
+				>
+					<!-- Decline button -->
+					{@render buttonControl(controls.decline, handleDecline, false)}
+					<!-- Accept button -->
+					{@render buttonControl(controls.accept, handleAccept, true)}
+				</div>
+			</div>
+		{/if}
+	</div>
+{/if}
+
+{#snippet buttonControl(
+	button: BannerControlButton | undefined | null,
+	handleClick: (banner: BannerAPI) => void,
+	framedDefault: boolean
+)}
+	{#if button}
+		{#if button.framed || framedDefault}
+			<Button class={button.class} onclick={() => handleClick(api)}>
+				{button.label || 'Button'}
+			</Button>
+		{:else}
+			<FramelessButton
+				class={button.class}
+				onclick={() => handleClick(api)}
+				inverted={invertFrameless}
+			>
+				{button.label || 'Button'}
+			</FramelessButton>
+		{/if}
+	{/if}
+{/snippet}

src/lib/Dialog.svelte

@@ -41,24 +41,29 @@
 		title: (title: string) => void;
 	}
 
+	type DialogControlButton = {
+		label?: string;
+		class?: ClassValue;
+		action?: (dialog: DialogAPI) => void;
+	};
+
 	/**
 	 * Configures the default dialog controls.
 	 */
-	export type DialogControlOpts = {
-		cancel?: {
-			label?: string;
-			class?: ClassValue;
-			action?: (dialog: DialogAPI) => void;
-		};
-		ok?: {
-			label?: string;
-			class?: ClassValue;
-			action?: (dialog: DialogAPI) => void;
-		};
-		close?: {
-			class?: ClassValue;
-			action?: (dialog: DialogAPI) => void;
+	export type DialogControls = {
+		cancel?: DialogControlButton | null;
+		ok?: DialogControlButton | null;
+		close?: Omit<DialogControlButton, 'label'> | null;
 	};
+
+	const defaultDialogControls: DialogControls = {
+		cancel: {
+			label: 'Cancel'
+		},
+		ok: {
+			label: 'OK'
+		},
+		close: {}
 	};
 </script>
 
@@ -72,6 +77,7 @@
 	import { X } from 'phosphor-svelte';
 	import { ErrorMessage, type RawError } from './error';
 	import ErrorBox from './ErrorBox.svelte';
+	import { mergeOverrideObject } from './util';
 
 	interface Props {
 		open?: boolean;
@@ -80,7 +86,7 @@
 		size?: 'sm' | 'md' | 'lg' | 'max';
 		class?: ClassValue;
 		children?: Snippet;
-		controls?: Snippet | DialogControlOpts;
+		controls?: Snippet | DialogControls;
 		onopen?: (dialog: DialogAPI) => void;
 		onclose?: (dialog: DialogAPI) => void;
 		loading?: boolean;
@@ -95,7 +101,7 @@
 		size = 'sm',
 		class: classValue,
 		children,
-		controls,
+		controls: rawControls = defaultDialogControls,
 		onopen,
 		onclose,
 		loading = $bindable(false),
@@ -103,6 +109,12 @@
 		disabled = $bindable(false)
 	}: Props = $props();
 
+	let controls = $derived(
+		typeof rawControls === 'function'
+			? rawControls
+			: mergeOverrideObject(defaultDialogControls, rawControls)
+	);
+
 	let dialogContainer = $state<HTMLDivElement | null>(null);
 	let error = $state<ErrorMessage | null>(null);
 
@@ -192,8 +204,10 @@
 
 			{#if children}{@render children()}{:else}Dialog is empty{/if}
 
+			<!-- Dialog Controls -->
 			<div class="mt-6 flex justify-end gap-4">
 				{#if controls && typeof controls === 'function'}{@render controls()}{:else}
+					{#if controls.cancel !== null}
 						<Button
 							class={controls?.cancel?.class}
 							onclick={() => {
@@ -207,6 +221,8 @@
 						>
 							{controls?.cancel?.label || 'Cancel'}
 						</Button>
+					{/if}
+					{#if controls.ok !== null}
 						<Button
 							class={controls?.ok?.class}
 							onclick={() => {
@@ -222,19 +238,28 @@
 							{controls?.ok?.label || 'OK'}
 						</Button>
 					{/if}
+				{/if}
 			</div>
+
+			<!-- Close Button -->
+			{#if typeof controls === 'function' || controls?.close !== null}
 				<button
 					type="button"
 					aria-label="close"
 					class="absolute top-4 right-4 inline-flex cursor-pointer items-center
 				justify-center disabled:cursor-not-allowed disabled:opacity-50"
 					onclick={() => {
-					if (!frozen) open = false;
+						if (typeof controls !== 'function' && controls?.close?.action) {
+							controls?.close?.action?.(dialogAPI);
+						} else if (!frozen) {
+							open = false;
+						}
 					}}
 					disabled={frozen}
 				>
 					<X size="1.5em" weight="bold" />
 				</button>
+			{/if}
 		</div>
 	</div>
 {/snippet}

src/lib/FramelessButton.svelte

@@ -7,6 +7,7 @@
 		icon?: IconDef;
 		iconPosition?: 'left' | 'right';
 		disabled?: boolean;
+		inverted?: boolean;
 		class?: ClassValue | null | undefined;
 		children: Snippet;
 		onclick?: MouseEventHandler<HTMLButtonElement>;
@@ -16,6 +17,7 @@
 		icon,
 		iconPosition = 'right',
 		disabled = false,
+		inverted = false,
 		class: classValue,
 		children,
 		onclick
@@ -31,8 +33,11 @@
 <button
 	type="button"
 	class={[
-		'text-sui-accent hover:text-sui-primary inline-flex cursor-pointer items-center gap-1.5 transition-colors',
+		'inline-flex cursor-pointer items-center gap-1.5 transition-colors',
 		disabled && 'pointer-events-none cursor-not-allowed opacity-50',
+		inverted
+			? 'text-sui-background hover:text-sui-background/80 font-medium'
+			: 'text-sui-accent hover:text-sui-primary',
 		classValue
 	]}
 	{onclick}

src/lib/InputGroup.svelte

@@ -9,6 +9,6 @@
 	let { class: classList, children }: Props = $props();
 </script>
 
-<div class={['mt-4 flex min-w-80 items-center justify-start gap-2', classList]}>
+<div class={['mt-4 flex min-w-80 flex-wrap items-center justify-start gap-2', classList]}>
 	{@render children?.()}
 </div>

src/lib/Link.svelte

@@ -40,6 +40,7 @@
 		basepath?: string | null;
 		disabled?: boolean;
 		tab?: 'current' | 'new';
+		inverted?: boolean;
 		class?: ClassValue | null | undefined;
 		children: Snippet;
 		onclick?: MouseEventHandler<HTMLAnchorElement>;
@@ -50,6 +51,7 @@
 		basepath,
 		disabled = false,
 		tab = 'current',
+		inverted = false,
 		class: classValue,
 		children,
 		onclick
@@ -60,8 +62,11 @@
 
 <a
 	class={[
-		'text-sui-accent hover:text-sui-primary inline-flex items-center gap-1.5 transition-colors',
+		'inline-flex items-center gap-1.5 transition-colors',
 		disabled && 'pointer-events-none cursor-not-allowed opacity-50',
+		inverted
+			? 'text-sui-background hover:text-sui-background/80 font-medium'
+			: 'text-sui-accent hover:text-sui-primary',
 		classValue
 	]}
 	href={computedHref}

src/lib/index.ts

@@ -1,5 +1,6 @@
 // Reexport your entry components here
 export { default as ActionSelect, type ActionSelectOption } from './ActionSelect.svelte';
+export { default as Banner, type BannerControls, type BannerAPI } from './Banner.svelte';
 export { default as Button } from './Button.svelte';
 export { default as CenterBox } from './CenterBox.svelte';
 export { default as Checkbox, type CheckboxState } from './Checkbox.svelte';

src/lib/util.ts

@@ -143,3 +143,55 @@ export const trimEdges = (str: string, char: string, trimStart?: boolean, trimEn
 
 	return str.substring(start, end);
 };
+
+// helper: only treat plain objects as mergeable
+const isPlainObject = (v: unknown): v is Record<string, unknown> =>
+	typeof v === 'object' &&
+	v !== null &&
+	!Array.isArray(v) &&
+	Object.getPrototypeOf(v) === Object.prototype;
+
+/** Merge two plain object maps. No `any` used. */
+function mergePlainObjects(
+	baseObj: Record<string, unknown>,
+	overrideObj: Record<string, unknown>
+): Record<string, unknown> {
+	const res: Record<string, unknown> = { ...baseObj };
+
+	for (const k of Object.keys(overrideObj)) {
+		const v = overrideObj[k];
+		if (v === undefined) continue; // undefined preserves base
+		const b = res[k];
+
+		if (isPlainObject(v) && isPlainObject(b)) {
+			res[k] = mergePlainObjects(b as Record<string, unknown>, v as Record<string, unknown>);
+		} else {
+			// primitives, null, arrays, non-plain objects replace base
+			res[k] = v;
+		}
+	}
+
+	return res;
+}
+
+/**
+ * Merge `base` with `override`.
+ * - `null` in `override` replaces (kept as valid override)
+ * - `undefined` in `override` is ignored (keeps base)
+ * - Only plain objects are deep-merged
+ * - If `override` is null/undefined we return a shallow copy of `base`
+ */
+export const mergeOverrideObject = <T extends Record<string, unknown>>(
+	base: T,
+	override?: Partial<T> | null
+): T => {
+	if (override == null) return { ...base } as T;
+
+	// Use plain maps internally to avoid explicit any
+	const baseMap = { ...base } as Record<string, unknown>;
+	const overrideMap = override as Record<string, unknown>;
+
+	const merged = mergePlainObjects(baseMap, overrideMap);
+
+	return merged as T;
+};

src/routes/+page.svelte

@@ -39,6 +39,7 @@
 	import ErrorBox from '$lib/ErrorBox.svelte';
 	import TextareaInput from '$lib/TextareaInput.svelte';
 	import DurationInput, { formatDuration } from '$lib/DurationInput.svelte';
+	import Banner from '$lib/Banner.svelte';
 
 	// Lazy-load heavy components
 	let PhoneInput = createLazyComponent(() => import('$lib/PhoneInput.svelte'));
@@ -56,7 +57,7 @@
 		{ value: 'option3', label: 'Option 3', disabled: true }
 	];
 	let lazyOptions: ComboboxOption[] = $state([]);
-	let dateInputValue = $state<CalendarDate | undefined>(undefined);
+	let dateInputValue = $state<CalendarDate | null>(null);
 	let checkboxValue = $state<CheckboxState>('indeterminate');
 	let dialogOpen = $state(false);
 	let scrollableDialogOpen = $state(false);
@@ -74,7 +75,25 @@
 	const boldStore = boldToggle.store;
 </script>
 
-<title>sui</title>
+<svelte:head>
+	<title>sui</title>
+</svelte:head>
+
+<!-- Cookie Consent Banner Demo -->
+<Banner
+	title="Manage Cookies"
+	controls={{
+		moreInfo: { label: 'More Info', type: 'link', href: '#!' },
+		dismiss: null,
+		swap: true
+	}}
+	onaccept={() => console.log('Cookies accepted!')}
+	ondecline={() => console.log('Cookies declined!')}
+	open
+>
+	We use cookies and similar technologies to enhance your experience, analyze site traffic, and
+	measure our ads. You can manage your preferences anytime.
+</Banner>
 
 <h1 class="mb-4 text-3xl font-bold">sui — Opinionated Svelte 5 UI toolkit</h1>
 
@@ -504,7 +523,8 @@
 				dialog.close();
 				alert('Dialog submitted!');
 			}
-		}
+		},
+		cancel: null
 	}}
 	onopen={(dialog) => {
 		dialog.error('Example error message!');