import { Component } from '@angular/core';
import { RouterLink } from '@angular/router';
import { provideIcons } from '@ng-icons/core';
import { lucideCheck, lucideChevronDown, lucideCircle, lucideInfo, lucideLink } from '@ng-icons/lucide';
import { HlmIconImports } from '@spartan-ng/helm/icon';
import { HlmNavigationMenuImports } from '@spartan-ng/helm/navigation-menu';

@Component({
	selector: 'spartan-navigation-menu-preview',
	imports: [HlmNavigationMenuImports, HlmIconImports, RouterLink],
	providers: [provideIcons({ lucideChevronDown, lucideLink, lucideCircle, lucideCheck, lucideInfo })],
	template: `
		<nav hlmNavigationMenu>
			<ul hlmNavigationMenuList class="flex-wrap">
				<li hlmNavigationMenuItem>
					<button hlmNavigationMenuTrigger>
						Getting started
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="w-96">
							<li>
								<a hlmNavigationMenuLink routerLink="/documentation/introduction">
									<div class="flex flex-col gap-1 text-sm">
										<div class="leading-none font-medium">Introduction</div>
										<div class="text-muted-foreground line-clamp-2">Re-usable components built with Tailwind CSS.</div>
									</div>
								</a>
							</li>

							<li>
								<a hlmNavigationMenuLink routerLink="/documentation/installation">
									<div class="flex flex-col gap-1 text-sm">
										<div class="leading-none font-medium">Installation</div>
										<div class="text-muted-foreground line-clamp-2">
											How to install dependencies and structure your app.
										</div>
									</div>
								</a>
							</li>
							<li>
								<a hlmNavigationMenuLink routerLink="/documentation/typography">
									<div class="flex flex-col gap-1 text-sm">
										<div class="leading-none font-medium">Typography</div>
										<div class="text-muted-foreground line-clamp-2">Styles for headings, paragraphs, lists...etc</div>
									</div>
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<!-- Components Menu -->
				<li hlmNavigationMenuItem class="hidden md:flex">
					<button hlmNavigationMenuTrigger>
						Components
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[400px] gap-2 md:w-[500px] md:grid-cols-2 lg:w-[600px]">
							@for (component of _components; track $index) {
								<li>
									<a hlmNavigationMenuLink [href]="component.href">
										<div class="flex flex-col gap-1 text-sm">
											<div class="leading-none font-medium">{{ component.title }}</div>
											<div class="text-muted-foreground line-clamp-2">{{ component.description }}</div>
										</div>
									</a>
								</li>
							}
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem>
					<button hlmNavigationMenuTrigger>
						With Icon
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[200px]">
							<li>
								<a hlmNavigationMenuLink href="#" class="flex-row items-center gap-2">
									<ng-icon name="lucideInfo" />
									Backlog
								</a>
								<a hlmNavigationMenuLink href="#" class="flex-row items-center gap-2">
									<ng-icon name="lucideCircle" />
									To Do
								</a>
								<a hlmNavigationMenuLink href="#" class="flex-row items-center gap-2">
									<ng-icon name="lucideCheck" />
									Done
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem>
					<a hlmNavigationMenuLink href="/documentation/introduction">Docs</a>
				</li>
			</ul>
		</nav>
	`,
})
export class NavigationMenuPreview {
	protected readonly _components = [
		{
			title: 'Alert Dialog',
			description: 'A modal dialog that interrupts the user with important content and expects a response.',
			href: '/components/alert-dialog',
		},
		{
			title: 'Hover Card',
			description: 'For sighted users to preview content available behind a link.',
			href: '/components/hover-card',
		},
		{
			title: 'Progress',
			description: 'Displays an indicator showing the completion progress of a task.',
			href: '/components/progress',
		},
		{
			title: 'Scroll Area',
			description: 'Visually or semantically separates content.',
			href: '/components/scroll-area',
		},
		{
			title: 'Tabs',
			description: 'A set of layered content panels displayed one at a time.',
			href: '/components/tabs',
		},
		{
			title: 'Tooltip',
			description: 'A popup that displays information on hover or focus.',
			href: '/components/tooltip',
		},
	];
}

Installation

ng g @spartan-ng/cli:ui navigation-menu

nx g @spartan-ng/cli:ui navigation-menu

import { DestroyRef, ElementRef, HostAttributeToken, Injector, PLATFORM_ID, effect, inject, runInInjectionContext } from '@angular/core';
import { clsx, type ClassValue } from 'clsx';
import { isPlatformBrowser } from '@angular/common';
import { twMerge } from 'tailwind-merge';

export function hlm(...inputs: ClassValue[]) {
	return twMerge(clsx(inputs));
}

// Global map to track class managers per element
const elementClassManagers = new WeakMap<HTMLElement, ElementClassManager>();
// Global mutation observer for all elements
let globalObserver: MutationObserver | null = null;
const observedElements = new Set<HTMLElement>();

interface ElementClassManager {
	element: HTMLElement;
	sources: Map<number, { classes: Set<string>; order: number }>;
	baseClasses: Set<string>;
	isUpdating: boolean;
	nextOrder: number;
	hasInitialized: boolean;
	restoreRafId: number | null;
	/** Transitions are suppressed until the first effect writes correct classes */
	transitionsSuppressed: boolean;
	/** Original inline transition value to restore after suppression (empty string = none was set) */
	previousTransition: string;
	/** Original inline transition priority to preserve !important when restoring */
	previousTransitionPriority: string;
}

let sourceCounter = 0;

/**
 * This function dynamically adds and removes classes for a given element without requiring
 * the a class binding (e.g. `[class]="..."`) which may interfere with other class bindings.
 *
 * 1. This will merge the existing classes on the element with the new classes.
 * 2. It will also remove any classes that were previously added by this function but are no longer present in the new classes.
 * 3. Multiple calls to this function on the same element will be merged efficiently.
 */
export function classes(computed: () => ClassValue[] | string, options: ClassesOptions = {}) {
	runInInjectionContext(options.injector ?? inject(Injector), () => {
		const elementRef = options.elementRef ?? inject(ElementRef);
		const platformId = inject(PLATFORM_ID);
		const destroyRef = inject(DestroyRef);
		const baseClasses = inject(new HostAttributeToken('class'), { optional: true });

		const element = elementRef.nativeElement;

		// Create unique identifier for this source
		const sourceId = sourceCounter++;

		// Get or create the class manager for this element
		let manager = elementClassManagers.get(element);

		if (!manager) {
			// Initialize base classes from variation (host attribute 'class')
			const initialBaseClasses = new Set<string>();

			if (baseClasses) {
				toClassList(baseClasses).forEach((cls) => initialBaseClasses.add(cls));
			}

			manager = {
				element,
				sources: new Map(),
				baseClasses: initialBaseClasses,
				isUpdating: false,
				nextOrder: 0,
				hasInitialized: false,
				restoreRafId: null,
				transitionsSuppressed: false,
				previousTransition: '',
				previousTransitionPriority: '',
			};
			elementClassManagers.set(element, manager);

			// Setup global observer if needed and register this element
			setupGlobalObserver(platformId);
			observedElements.add(element);

			// Suppress transitions until the first effect writes correct classes and
			// the browser has painted them. This prevents CSS transition animations
			// during hydration when classes change from SSR state to client state.
			if (isPlatformBrowser(platformId)) {
				manager.previousTransition = element.style.getPropertyValue('transition');
				manager.previousTransitionPriority = element.style.getPropertyPriority('transition');
				element.style.setProperty('transition', 'none', 'important');
				manager.transitionsSuppressed = true;
			}
		}

		// Assign order once at registration time
		const sourceOrder = manager.nextOrder++;

		function updateClasses(): void {
			// Get the new classes from the computed function
			const newClasses = toClassList(computed());

			// Update this source's classes, keeping the original order
			manager!.sources.set(sourceId, {
				classes: new Set(newClasses),
				order: sourceOrder,
			});

			// Update the element
			updateElement(manager!);

			// Re-enable transitions after the first effect writes correct classes.
			// Deferred to next animation frame so the browser paints the class change
			// with transitions disabled first, then re-enables them.
			if (manager!.transitionsSuppressed) {
				manager!.transitionsSuppressed = false;
				manager!.restoreRafId = requestAnimationFrame(() => {
					manager!.restoreRafId = null;
					restoreTransitionSuppression(manager!);
				});
			}
		}

		// Register cleanup with DestroyRef
		destroyRef.onDestroy(() => {
			if (manager!.restoreRafId !== null) {
				cancelAnimationFrame(manager!.restoreRafId);
				manager!.restoreRafId = null;
			}

			if (manager!.transitionsSuppressed) {
				manager!.transitionsSuppressed = false;
				restoreTransitionSuppression(manager!);
			}

			// Remove this source from the manager
			manager!.sources.delete(sourceId);

			// If no more sources, clean up the manager
			if (manager!.sources.size === 0) {
				cleanupManager(element);
			} else {
				// Update element without this source's classes
				updateElement(manager!);
			}
		});

		/**
		 * We need this effect to track changes to the computed classes. Ideally, we would use
		 * afterRenderEffect here, but that doesn't run in SSR contexts, so we use a standard
		 * effect which works in both browser and SSR.
		 */
		effect(updateClasses);
	});
}

function restoreTransitionSuppression(manager: ElementClassManager): void {
	const prev = manager.previousTransition;
	if (prev) {
		manager.element.style.setProperty('transition', prev, manager.previousTransitionPriority || undefined);
	} else {
		manager.element.style.removeProperty('transition');
	}
}

// eslint-disable-next-line @typescript-eslint/no-wrapper-object-types
function setupGlobalObserver(platformId: Object): void {
	if (isPlatformBrowser(platformId) && !globalObserver) {
		// Create single global observer that watches the entire document
		globalObserver = new MutationObserver((mutations) => {
			for (const mutation of mutations) {
				if (mutation.type === 'attributes' && mutation.attributeName === 'class') {
					const element = mutation.target as HTMLElement;
					const manager = elementClassManagers.get(element);

					// Only process elements we're managing
					if (manager && observedElements.has(element)) {
						if (manager.isUpdating) continue; // Ignore changes we're making

						// Update base classes to include any externally added classes
						const currentClasses = toClassList(element.className);
						const allSourceClasses = new Set<string>();

						// Collect all classes from all sources
						for (const source of manager.sources.values()) {
							for (const className of source.classes) {
								allSourceClasses.add(className);
							}
						}

						// Any classes not from sources become new base classes
						manager.baseClasses.clear();

						for (const className of currentClasses) {
							if (!allSourceClasses.has(className)) {
								manager.baseClasses.add(className);
							}
						}

						updateElement(manager);
					}
				}
			}
		});

		// Start observing the entire document for class attribute changes
		globalObserver.observe(document, {
			attributes: true,
			attributeFilter: ['class'],
			subtree: true, // Watch all descendants
		});
	}
}

function updateElement(manager: ElementClassManager): void {
	if (manager.isUpdating) return; // Prevent recursive updates

	manager.isUpdating = true;

	// Handle initialization: capture base classes after first source registration
	if (!manager.hasInitialized && manager.sources.size > 0) {
		// Get current classes on element (may include SSR classes)
		const currentClasses = toClassList(manager.element.className);

		// Get all classes that will be applied by sources
		const allSourceClasses = new Set<string>();
		for (const source of manager.sources.values()) {
			source.classes.forEach((className) => allSourceClasses.add(className));
		}

		// Only consider classes as "base" if they're not produced by any source
		// This prevents SSR-rendered classes from being preserved as base classes
		currentClasses.forEach((className) => {
			if (!allSourceClasses.has(className)) {
				manager.baseClasses.add(className);
			}
		});

		manager.hasInitialized = true;
	}

	// Get classes from all sources, sorted by registration order (later takes precedence)
	const sortedSources = Array.from(manager.sources.entries()).sort(([, a], [, b]) => a.order - b.order);

	const allSourceClasses: string[] = [];
	for (const [, source] of sortedSources) {
		allSourceClasses.push(...source.classes);
	}

	// Combine base classes with all source classes, ensuring base classes take precedence
	const classesToApply =
		allSourceClasses.length > 0 || manager.baseClasses.size > 0
			? hlm([...allSourceClasses, ...manager.baseClasses])
			: '';

	// Apply the classes to the element
	if (manager.element.className !== classesToApply) {
		manager.element.className = classesToApply;
	}

	manager.isUpdating = false;
}

function cleanupManager(element: HTMLElement): void {
	// Remove from global tracking
	observedElements.delete(element);
	elementClassManagers.delete(element);

	// If no more elements being tracked, cleanup global observer
	if (observedElements.size === 0 && globalObserver) {
		globalObserver.disconnect();
		globalObserver = null;
	}
}

interface ClassesOptions {
	elementRef?: ElementRef<HTMLElement>;
	injector?: Injector;
}

// Cache for parsed class lists to avoid repeated string operations
const classListCache = new Map<string, string[]>();

function toClassList(className: string | ClassValue[]): string[] {
	// For simple string inputs, use cache to avoid repeated parsing
	if (typeof className === 'string' && classListCache.has(className)) {
		return classListCache.get(className)!;
	}

	const result = clsx(className)
		.split(' ')
		.filter((c) => c.length > 0);

	// Cache string results, but limit cache size to prevent memory growth
	if (typeof className === 'string' && classListCache.size < 1000) {
		classListCache.set(className, result);
	}

	return result;
}

import { BrnNavigationMenu, BrnNavigationMenuContent, BrnNavigationMenuItem, BrnNavigationMenuLink, BrnNavigationMenuList, BrnNavigationMenuTrigger } from '@spartan-ng/brain/navigation-menu';
import { Directive } from '@angular/core';
import { classes } from '@spartan-ng/helm/utils';

@Directive({
	selector: '[hlmNavigationMenuContent],hlm-navigation-menu-content',
	host: { 'data-slot': 'navigation-menu-content' },
})
export class HlmNavigationMenuContent {
	constructor() {
		classes(() => [
			'data-[motion^=from-]:animate-in data-[motion^=to-]:animate-out data-[motion^=from-]:fade-in data-[motion^=to-]:fade-out top-0 left-0 w-full p-2 pr-2.5 md:w-auto',
			'data-[orientation=horizontal]:data-[motion=from-end]:slide-in-from-right-52 data-[orientation=horizontal]:data-[motion=from-start]:slide-in-from-left-52 data-[orientation=horizontal]:data-[motion=to-end]:slide-out-to-right-52 data-[orientation=horizontal]:data-[motion=to-start]:slide-out-to-left-52',
			'data-[orientation=vertical]:data-[motion=from-end]:slide-in-from-bottom-52 data-[orientation=vertical]:data-[motion=from-start]:slide-in-from-top-52 data-[orientation=vertical]:data-[motion=to-end]:slide-out-to-bottom-52 data-[orientation=vertical]:data-[motion=to-start]:slide-out-to-top-52',
			'bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=open]:fade-in-0 data-[state=closed]:fade-out-0 top-full overflow-hidden rounded-md border shadow duration-200 data-[orientation=horizontal]:mt-1.5 data-[orientation=vertical]:mx-1.5 **:data-[slot=navigation-menu-link]:focus:ring-0 **:data-[slot=navigation-menu-link]:focus:outline-none',
		]);
	}
}

@Directive({
	selector: 'li[hlmNavigationMenuItem]',
	hostDirectives: [{ directive: BrnNavigationMenuItem, inputs: ['id'] }],
})
export class HlmNavigationMenuItem {
	constructor() {
		classes(() => 'relative');
	}
}

@Directive({
	selector: 'a[hlmNavigationMenuLink]',
	hostDirectives: [{ directive: BrnNavigationMenuLink, inputs: ['active'] }],
})
export class HlmNavigationMenuLink {
	constructor() {
		classes(() => [
			'data-[active=true]:focus:bg-accent data-[active=true]:hover:bg-accent data-[active=true]:bg-accent/50 data-[active=true]:text-accent-foreground hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground focus-visible:ring-ring/50 [&_ng-icon:not([class*="text-"])]:text-muted-foreground flex flex-col gap-1 rounded-sm p-2 text-sm transition-all outline-none focus-visible:ring-[3px] focus-visible:outline-1 [&_ng-icon:not([class*="text-"])]:text-base',
			'data-[disabled=true]:pointer-events-none data-[disabled=true]:opacity-50',
		]);
	}
}

@Directive({
	selector: 'ul[hlmNavigationMenuList]',
	hostDirectives: [
		{
			directive: BrnNavigationMenuList,
		},
	],
})
export class HlmNavigationMenuList {
	constructor() {
		classes(() => [
			'group flex flex-1 list-none items-center justify-center gap-0',
			'data-[orientation=vertical]:flex-col',
		]);
	}
}

@Directive({
	selector: '[hlmNavigationMenuPortal]',
	hostDirectives: [BrnNavigationMenuContent],
})
export class HlmNavigationMenuPortal {}

@Directive({
	selector: 'button[hlmNavigationMenuTrigger]',
	hostDirectives: [BrnNavigationMenuTrigger],
})
export class HlmNavigationMenuTrigger {
	constructor() {
		classes(
			() =>
				'bg-background hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground data-[state=open]:hover:bg-accent data-[state=open]:text-accent-foreground data-[state=open]:focus:bg-accent data-[state=open]:bg-accent/50 focus-visible:ring-ring/50 group inline-flex h-9 w-max items-center justify-center rounded-md px-4 py-2 text-sm font-medium transition-[color,box-shadow] outline-none focus-visible:ring-[3px] focus-visible:outline-1 disabled:pointer-events-none disabled:opacity-50',
		);
	}
}

@Directive({
	selector: 'nav[hlmNavigationMenu]',
	hostDirectives: [
		{
			directive: BrnNavigationMenu,
			inputs: ['value', 'delayDuration', 'skipDelayDuration', 'orientation', 'openOn'],
			outputs: ['valueChange'],
		},
	],
})
export class HlmNavigationMenu {
	constructor() {
		classes(() => 'group/navigation-menu relative flex max-w-max flex-1 items-center justify-center');
	}
}

export const HlmNavigationMenuImports = [
	HlmNavigationMenu,
	HlmNavigationMenuContent,
	HlmNavigationMenuItem,
	HlmNavigationMenuLink,
	HlmNavigationMenuList,
	HlmNavigationMenuPortal,
	HlmNavigationMenuTrigger,
] as const;

Usage

import { HlmNavigationMenuImports } from '@spartan-ng/helm/navigation-menu';

<nav hlmNavigationMenu>
	<ul hlmNavigationMenuList>
		<li hlmNavigationMenuItem>
			<button hlmNavigationMenuTrigger>Home</button>
			<hlm-navigation-menu-content *hlmNavigationMenuPortal>
				<div>Content</div>
			</hlm-navigation-menu-content>
		<li>
	</ul>
</nav>

Examples

Vertical

import { Component } from '@angular/core';
import { provideIcons } from '@ng-icons/core';
import { lucideCheck, lucideChevronDown, lucideCircle, lucideInfo, lucideLink } from '@ng-icons/lucide';
import { HlmIconImports } from '@spartan-ng/helm/icon';
import { HlmNavigationMenuImports } from '@spartan-ng/helm/navigation-menu';

@Component({
	selector: 'spartan-navigation-menu-vertical',
	imports: [HlmNavigationMenuImports, HlmIconImports],
	providers: [provideIcons({ lucideChevronDown, lucideLink, lucideCircle, lucideCheck, lucideInfo })],
	template: `
		<nav hlmNavigationMenu orientation="vertical">
			<ul hlmNavigationMenuList class="w-35 flex-wrap">
				<li hlmNavigationMenuItem class="w-full">
					<button hlmNavigationMenuTrigger class="w-full">
						Home
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid gap-2 md:w-[400px] lg:w-[500px] lg:grid-cols-[.75fr_1fr]">
							<li class="row-span-3">
								<a
									hlmNavigationMenuLink
									class="from-muted/50 to-muted flex h-full w-full flex-col justify-end rounded-md bg-linear-to-b p-4 no-underline outline-hidden select-none focus:shadow-md md:p-6"
									href="/"
								>
									<div class="mb-2 text-lg font-medium sm:mt-4">spartan.ng</div>
									<p class="text-muted-foreground text-sm leading-tight">
										Beautifully designed components built with Tailwind CSS.
									</p>
								</a>
							</li>

							<li>
								<a hlmNavigationMenuLink href="/documentation/introduction">
									<div class="text-sm leading-none font-medium">Introduction</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										Re-usable components built using Radix UI and Tailwind CSS.
									</p>
								</a>
							</li>
							<li>
								<a hlmNavigationMenuLink href="/documentation/installation">
									<div class="text-sm leading-none font-medium">Installation</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										How to install dependencies and structure your app.
									</p>
								</a>
							</li>
							<li>
								<a hlmNavigationMenuLink href="/documentation/typography">
									<div class="text-sm leading-none font-medium">Typography</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										Styles for headings, paragraphs, lists...etc
									</p>
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<!-- Components Menu -->
				<li hlmNavigationMenuItem class="w-full">
					<button hlmNavigationMenuTrigger class="w-full">
						Components
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid gap-2 sm:w-[400px] md:w-[500px] md:grid-cols-2 lg:w-[600px]">
							@for (component of _components; track $index) {
								<li>
									<a hlmNavigationMenuLink [href]="component.href">
										<div class="text-sm leading-none font-medium">{{ component.title }}</div>
										<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
											{{ component.description }}
										</p>
									</a>
								</li>
							}
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem class="w-full">
					<a hlmNavigationMenuLink class="w-full text-center" href="/documentation/introduction">Docs</a>
				</li>

				<li hlmNavigationMenuItem class="w-full">
					<button hlmNavigationMenuTrigger class="w-full">
						List
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[300px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="/components" class="cursor-pointer">
									<div class="font-medium">Components</div>
									<div class="text-muted-foreground">Browse all components in the library.</div>
								</a>
								<a hlmNavigationMenuLink href="/documentation" class="cursor-pointer">
									<div class="font-medium">Documentation</div>
									<div class="text-muted-foreground">Learn how to use the library.</div>
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer">
									<div class="font-medium">Blog</div>
									<div class="text-muted-foreground">Read our latest blog posts.</div>
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem class="w-full">
					<button hlmNavigationMenuTrigger class="w-full">
						Simple
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[200px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="/components" class="cursor-pointer">Components</a>
								<a hlmNavigationMenuLink href="/documentation" class="cursor-pointer">Documentation</a>
								<a hlmNavigationMenuLink href="/blocks" class="cursor-pointer">Blocks</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem class="w-full">
					<button hlmNavigationMenuTrigger class="w-full">
						With Icon
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[200px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideInfo" />
									Backlog
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideCircle" />
									To Do
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideCheck" />
									Done
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>
			</ul>
		</nav>
	`,
})
export class NavigationMenuVertical {
	protected readonly _components = [
		{
			title: 'Alert Dialog',
			description: 'A modal dialog that interrupts the user with important content and expects a response.',
			href: '/components/alert-dialog',
		},
		{
			title: 'Hover Card',
			description: 'For sighted users to preview content available behind a link.',
			href: '/components/hover-card',
		},
		{
			title: 'Progress',
			description: 'Displays an indicator showing the completion progress of a task.',
			href: '/components/progress',
		},
		{
			title: 'Scroll Area',
			description: 'Visually or semantically separates content.',
			href: '/components/scroll-area',
		},
		{
			title: 'Tabs',
			description: 'A set of layered content panels displayed one at a time.',
			href: '/components/tabs',
		},
		{
			title: 'Tooltip',
			description: 'A popup that displays information on hover or focus.',
			href: '/components/tooltip',
		},
	];
}

Controlled

The navigation menu's value input can be set to the menu item's id to activate it. Declaratively set navigation menu item stays activated until it is hovered or focused out.

import { Component, signal } from '@angular/core';
import { provideIcons } from '@ng-icons/core';
import { lucideCheck, lucideChevronDown, lucideCircle, lucideInfo, lucideLink } from '@ng-icons/lucide';
import { HlmIconImports } from '@spartan-ng/helm/icon';
import { HlmNavigationMenuImports } from '@spartan-ng/helm/navigation-menu';

@Component({
	selector: 'spartan-navigation-menu-controlled',
	imports: [HlmNavigationMenuImports, HlmIconImports],
	providers: [provideIcons({ lucideChevronDown, lucideLink, lucideCircle, lucideInfo, lucideCheck })],
	template: `
		<nav hlmNavigationMenu [(value)]="_value">
			<ul hlmNavigationMenuList class="flex-wrap">
				<li hlmNavigationMenuItem id="home">
					<button hlmNavigationMenuTrigger>
						Home
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid gap-2 md:w-[400px] lg:w-[500px] lg:grid-cols-[.75fr_1fr]">
							<li class="row-span-3">
								<a
									hlmNavigationMenuLink
									class="from-muted/50 to-muted flex h-full w-full flex-col justify-end rounded-md bg-linear-to-b p-4 no-underline outline-hidden select-none focus:shadow-md md:p-6"
									href="/"
								>
									<div class="mb-2 text-lg font-medium sm:mt-4">spartan.ng</div>
									<p class="text-muted-foreground text-sm leading-tight">
										Beautifully designed components built with Tailwind CSS.
									</p>
								</a>
							</li>

							<li>
								<a hlmNavigationMenuLink href="/documentation/introduction">
									<div class="text-sm leading-none font-medium">Introduction</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										Re-usable components built using Radix UI and Tailwind CSS.
									</p>
								</a>
							</li>
							<li>
								<a hlmNavigationMenuLink href="/documentation/installation">
									<div class="text-sm leading-none font-medium">Installation</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										How to install dependencies and structure your app.
									</p>
								</a>
							</li>
							<li>
								<a hlmNavigationMenuLink href="/documentation/typography">
									<div class="text-sm leading-none font-medium">Typography</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										Styles for headings, paragraphs, lists...etc
									</p>
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<!-- Components Menu -->
				<li hlmNavigationMenuItem>
					<button hlmNavigationMenuTrigger>
						Components
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid gap-2 sm:w-[400px] md:w-[500px] md:grid-cols-2 lg:w-[600px]">
							@for (component of _components; track $index) {
								<li>
									<a hlmNavigationMenuLink [href]="component.href">
										<div class="text-sm leading-none font-medium">{{ component.title }}</div>
										<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
											{{ component.description }}
										</p>
									</a>
								</li>
							}
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem>
					<a hlmNavigationMenuLink href="/documentation/introduction">Docs</a>
				</li>

				<li hlmNavigationMenuItem class="hidden md:block">
					<button hlmNavigationMenuTrigger>
						List
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[300px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="/components" class="cursor-pointer">
									<div class="font-medium">Components</div>
									<div class="text-muted-foreground">Browse all components in the library.</div>
								</a>
								<a hlmNavigationMenuLink href="/documentation" class="cursor-pointer">
									<div class="font-medium">Documentation</div>
									<div class="text-muted-foreground">Learn how to use the library.</div>
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer">
									<div class="font-medium">Blog</div>
									<div class="text-muted-foreground">Read our latest blog posts.</div>
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem class="hidden md:block">
					<button hlmNavigationMenuTrigger>
						Simple
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[200px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="/components" class="cursor-pointer">Components</a>
								<a hlmNavigationMenuLink href="/documentation" class="cursor-pointer">Documentation</a>
								<a hlmNavigationMenuLink href="/blocks" class="cursor-pointer">Blocks</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem class="hidden md:block">
					<button hlmNavigationMenuTrigger>
						With Icon
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[200px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideInfo" />
									Backlog
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideCircle" />
									To Do
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideCheck" />
									Done
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>
			</ul>
		</nav>
	`,
})
export class NavigationMenuControlled {
	protected readonly _value = signal('home');

	protected readonly _components = [
		{
			title: 'Alert Dialog',
			description: 'A modal dialog that interrupts the user with important content and expects a response.',
			href: '/components/alert-dialog',
		},
		{
			title: 'Hover Card',
			description: 'For sighted users to preview content available behind a link.',
			href: '/components/hover-card',
		},
		{
			title: 'Progress',
			description: 'Displays an indicator showing the completion progress of a task.',
			href: '/components/progress',
		},
		{
			title: 'Scroll Area',
			description: 'Visually or semantically separates content.',
			href: '/components/scroll-area',
		},
		{
			title: 'Tabs',
			description: 'A set of layered content panels displayed one at a time.',
			href: '/components/tabs',
		},
		{
			title: 'Tooltip',
			description: 'A popup that displays information on hover or focus.',
			href: '/components/tooltip',
		},
	];
}

Nested

import { Component } from '@angular/core';
import { provideIcons } from '@ng-icons/core';
import { lucideCheck, lucideChevronDown, lucideCircle, lucideInfo, lucideLink } from '@ng-icons/lucide';
import { HlmIconImports } from '@spartan-ng/helm/icon';
import { HlmNavigationMenuImports } from '@spartan-ng/helm/navigation-menu';

@Component({
	selector: 'spartan-navigation-menu-nested',
	imports: [HlmNavigationMenuImports, HlmIconImports],
	providers: [provideIcons({ lucideChevronDown, lucideLink, lucideCircle, lucideInfo, lucideCheck })],
	template: `
		<nav hlmNavigationMenu>
			<ul hlmNavigationMenuList class="flex-wrap">
				<li hlmNavigationMenuItem>
					<button hlmNavigationMenuTrigger>
						Root
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<nav hlmNavigationMenu orientation="vertical">
							<ul hlmNavigationMenuList class="w-35 flex-wrap">
								<li hlmNavigationMenuItem class="w-full">
									<button hlmNavigationMenuTrigger class="w-full">
										Home
										<ng-icon
											name="lucideChevronDown"
											class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
										/>
									</button>
									<hlm-navigation-menu-content *hlmNavigationMenuPortal>
										<ul class="grid gap-2 md:w-[400px] lg:w-[500px] lg:grid-cols-[.75fr_1fr]">
											<li class="row-span-3">
												<a
													hlmNavigationMenuLink
													class="from-muted/50 to-muted flex h-full w-full flex-col justify-end rounded-md bg-linear-to-b p-4 no-underline outline-hidden select-none focus:shadow-md md:p-6"
													href="/"
												>
													<div class="mb-2 text-lg font-medium sm:mt-4">spartan.ng</div>
													<p class="text-muted-foreground text-sm leading-tight">
														Beautifully designed components built with Tailwind CSS.
													</p>
												</a>
											</li>

											<li>
												<a hlmNavigationMenuLink href="/documentation/introduction">
													<div class="text-sm leading-none font-medium">Introduction</div>
													<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
														Re-usable components built using Radix UI and Tailwind CSS.
													</p>
												</a>
											</li>
											<li>
												<a hlmNavigationMenuLink href="/documentation/installation">
													<div class="text-sm leading-none font-medium">Installation</div>
													<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
														How to install dependencies and structure your app.
													</p>
												</a>
											</li>
											<li>
												<a hlmNavigationMenuLink href="/documentation/typography">
													<div class="text-sm leading-none font-medium">Typography</div>
													<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
														Styles for headings, paragraphs, lists...etc
													</p>
												</a>
											</li>
										</ul>
									</hlm-navigation-menu-content>
								</li>

								<!-- Components Menu -->
								<li hlmNavigationMenuItem class="w-full">
									<button hlmNavigationMenuTrigger class="w-full">
										Components
										<ng-icon
											name="lucideChevronDown"
											class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
										/>
									</button>
									<hlm-navigation-menu-content *hlmNavigationMenuPortal>
										<ul class="grid gap-2 sm:w-[400px] md:w-[500px] md:grid-cols-2 lg:w-[600px]">
											@for (component of _components; track $index) {
												<li>
													<a hlmNavigationMenuLink [href]="component.href">
														<div class="text-sm leading-none font-medium">{{ component.title }}</div>
														<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
															{{ component.description }}
														</p>
													</a>
												</li>
											}
										</ul>
									</hlm-navigation-menu-content>
								</li>

								<li hlmNavigationMenuItem class="w-full">
									<button hlmNavigationMenuTrigger class="w-full">
										List
										<ng-icon
											name="lucideChevronDown"
											class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
										/>
									</button>
									<hlm-navigation-menu-content *hlmNavigationMenuPortal>
										<ul class="grid w-[300px] gap-4">
											<li>
												<a hlmNavigationMenuLink href="/components" class="cursor-pointer">
													<div class="font-medium">Components</div>
													<div class="text-muted-foreground">Browse all components in the library.</div>
												</a>
												<a hlmNavigationMenuLink href="/documentation" class="cursor-pointer">
													<div class="font-medium">Documentation</div>
													<div class="text-muted-foreground">Learn how to use the library.</div>
												</a>
												<a hlmNavigationMenuLink href="#" class="cursor-pointer">
													<div class="font-medium">Blog</div>
													<div class="text-muted-foreground">Read our latest blog posts.</div>
												</a>
											</li>
										</ul>
									</hlm-navigation-menu-content>
								</li>

								<li hlmNavigationMenuItem class="w-full">
									<button hlmNavigationMenuTrigger class="w-full">
										Simple
										<ng-icon
											name="lucideChevronDown"
											class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
										/>
									</button>
									<hlm-navigation-menu-content *hlmNavigationMenuPortal>
										<ul class="grid w-[200px] gap-4">
											<li>
												<a hlmNavigationMenuLink href="/components" class="cursor-pointer">Components</a>
												<a hlmNavigationMenuLink href="/documentation" class="cursor-pointer">Documentation</a>
												<a hlmNavigationMenuLink href="/blocks" class="cursor-pointer">Blocks</a>
											</li>
										</ul>
									</hlm-navigation-menu-content>
								</li>

								<li hlmNavigationMenuItem class="w-full">
									<button hlmNavigationMenuTrigger class="w-full">
										With Icon
										<ng-icon
											name="lucideChevronDown"
											class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
										/>
									</button>
									<hlm-navigation-menu-content *hlmNavigationMenuPortal>
										<ul class="grid w-[200px] gap-4">
											<li>
												<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
													<ng-icon name="lucideInfo" />
													Backlog
												</a>
												<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
													<ng-icon name="lucideCircle" />
													To Do
												</a>
												<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
													<ng-icon name="lucideCheck" />
													Done
												</a>
											</li>
										</ul>
									</hlm-navigation-menu-content>
								</li>
							</ul>
						</nav>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem>
					<a hlmNavigationMenuLink href="/documentation/introduction">Docs</a>
				</li>
			</ul>
		</nav>
	`,
})
export class NavigationMenuNested {
	protected readonly _components = [
		{
			title: 'Alert Dialog',
			description: 'A modal dialog that interrupts the user with important content and expects a response.',
			href: '/components/alert-dialog',
		},
		{
			title: 'Hover Card',
			description: 'For sighted users to preview content available behind a link.',
			href: '/components/hover-card',
		},
		{
			title: 'Progress',
			description: 'Displays an indicator showing the completion progress of a task.',
			href: '/components/progress',
		},
		{
			title: 'Scroll Area',
			description: 'Visually or semantically separates content.',
			href: '/components/scroll-area',
		},
		{
			title: 'Tabs',
			description: 'A set of layered content panels displayed one at a time.',
			href: '/components/tabs',
		},
		{
			title: 'Tooltip',
			description: 'A popup that displays information on hover or focus.',
			href: '/components/tooltip',
		},
	];
}

Open on Click

Set openOn="click" to require a click to open the menu initially. Once a menu is open, hovering still switches between menu items.

import { Component } from '@angular/core';
import { provideIcons } from '@ng-icons/core';
import { lucideCheck, lucideChevronDown, lucideCircle, lucideInfo, lucideLink } from '@ng-icons/lucide';
import { HlmIconImports } from '@spartan-ng/helm/icon';
import { HlmNavigationMenuImports } from '@spartan-ng/helm/navigation-menu';

@Component({
	selector: 'spartan-navigation-menu-open-on-click',
	imports: [HlmNavigationMenuImports, HlmIconImports],
	providers: [provideIcons({ lucideChevronDown, lucideLink, lucideCircle, lucideCheck, lucideInfo })],
	template: `
		<nav hlmNavigationMenu openOn="click">
			<ul hlmNavigationMenuList class="flex-wrap">
				<li hlmNavigationMenuItem>
					<button hlmNavigationMenuTrigger>
						Home
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid gap-2 md:w-[400px] lg:w-[500px] lg:grid-cols-[.75fr_1fr]">
							<li class="row-span-3">
								<a
									hlmNavigationMenuLink
									class="from-muted/50 to-muted flex h-full w-full flex-col justify-end rounded-md bg-linear-to-b p-4 no-underline outline-hidden select-none focus:shadow-md md:p-6"
									href="/"
								>
									<div class="mb-2 text-lg font-medium sm:mt-4">spartan.ng</div>
									<p class="text-muted-foreground text-sm leading-tight">
										Beautifully designed components built with Tailwind CSS.
									</p>
								</a>
							</li>

							<li>
								<a hlmNavigationMenuLink href="/documentation/introduction">
									<div class="text-sm leading-none font-medium">Introduction</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										Re-usable components built using Radix UI and Tailwind CSS.
									</p>
								</a>
							</li>
							<li>
								<a hlmNavigationMenuLink href="/documentation/installation">
									<div class="text-sm leading-none font-medium">Installation</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										How to install dependencies and structure your app.
									</p>
								</a>
							</li>
							<li>
								<a hlmNavigationMenuLink href="/documentation/typography">
									<div class="text-sm leading-none font-medium">Typography</div>
									<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
										Styles for headings, paragraphs, lists...etc
									</p>
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<!-- Components Menu -->
				<li hlmNavigationMenuItem>
					<button hlmNavigationMenuTrigger>
						Components
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid gap-2 sm:w-[400px] md:w-[500px] md:grid-cols-2 lg:w-[600px]">
							@for (component of _components; track $index) {
								<li>
									<a hlmNavigationMenuLink [href]="component.href">
										<div class="text-sm leading-none font-medium">{{ component.title }}</div>
										<p class="text-muted-foreground line-clamp-2 text-sm leading-snug">
											{{ component.description }}
										</p>
									</a>
								</li>
							}
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem>
					<a hlmNavigationMenuLink href="/documentation/introduction">Docs</a>
				</li>

				<li hlmNavigationMenuItem class="hidden md:block">
					<button hlmNavigationMenuTrigger>
						List
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[300px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="/components" class="cursor-pointer">
									<div class="font-medium">Components</div>
									<div class="text-muted-foreground">Browse all components in the library.</div>
								</a>
								<a hlmNavigationMenuLink href="/documentation" class="cursor-pointer">
									<div class="font-medium">Documentation</div>
									<div class="text-muted-foreground">Learn how to use the library.</div>
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer">
									<div class="font-medium">Blog</div>
									<div class="text-muted-foreground">Read our latest blog posts.</div>
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem class="hidden md:block">
					<button hlmNavigationMenuTrigger>
						Simple
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[200px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="/components" class="cursor-pointer">Components</a>
								<a hlmNavigationMenuLink href="/documentation" class="cursor-pointer">Documentation</a>
								<a hlmNavigationMenuLink href="/blocks" class="cursor-pointer">Blocks</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>

				<li hlmNavigationMenuItem class="hidden md:block">
					<button hlmNavigationMenuTrigger>
						With Icon
						<ng-icon
							name="lucideChevronDown"
							class="relative top-px ml-1 size-3 transition duration-300 group-data-[state=open]:rotate-180"
						/>
					</button>
					<hlm-navigation-menu-content *hlmNavigationMenuPortal>
						<ul class="grid w-[200px] gap-4">
							<li>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideInfo" />
									Backlog
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideCircle" />
									To Do
								</a>
								<a hlmNavigationMenuLink href="#" class="cursor-pointer flex-row items-center gap-2">
									<ng-icon name="lucideCheck" />
									Done
								</a>
							</li>
						</ul>
					</hlm-navigation-menu-content>
				</li>
			</ul>
		</nav>
	`,
})
export class NavigationMenuOpenOnClick {
	protected readonly _components = [
		{
			title: 'Alert Dialog',
			description: 'A modal dialog that interrupts the user with important content and expects a response.',
			href: '/components/alert-dialog',
		},
		{
			title: 'Hover Card',
			description: 'For sighted users to preview content available behind a link.',
			href: '/components/hover-card',
		},
		{
			title: 'Progress',
			description: 'Displays an indicator showing the completion progress of a task.',
			href: '/components/progress',
		},
		{
			title: 'Scroll Area',
			description: 'Visually or semantically separates content.',
			href: '/components/scroll-area',
		},
		{
			title: 'Tabs',
			description: 'A set of layered content panels displayed one at a time.',
			href: '/components/tabs',
		},
		{
			title: 'Tooltip',
			description: 'A popup that displays information on hover or focus.',
			href: '/components/tooltip',
		},
	];
}

Brain API

BrnNavigationMenuContent

Selector: [brnNavigationMenuContent]

BrnNavigationMenuItem

Selector: li[brnNavigationMenuItem]

Inputs

Prop	Type	Default	Description
id	string	`brn-navigation-menu-item-${++BrnNavigationMenuItem._id}`	The id of the navigation menu item

BrnNavigationMenuLink

Selector: a[brnNavigationMenuLink]

Inputs

Prop	Type	Default	Description
active	boolean \| undefined	undefined	Used to identify the link as the currently active page.

BrnNavigationMenuList

Selector: ul[brnNavigationMenuList]

BrnNavigationMenuTrigger

Selector: button[brnNavigationMenuTrigger]

BrnNavigationMenu

Selector: nav[brnNavigationMenu]

Inputs

Prop	Type	Default	Description
delayDuration	number	200	The duration from when the mouse enters a trigger until the content opens.
skipDelayDuration	number	300	How much time a user has to enter another trigger without incurring a delay again.
openOn	'hover' \| 'click'	hover	Controls whether the menu opens on hover or click. When 'click', initial open requires a click, but hover still switches between items once open.
orientation	'horizontal' \| 'vertical'	horizontal	The orientation of the menu.
value	string	-	The controlled value of the menu item to activate.

Outputs

Prop	Type	Default	Description
valueChange	string	-	The controlled value of the menu item to activate.

Helm API

HlmNavigationMenuContent

Selector: [hlmNavigationMenuContent],hlm-navigation-menu-content

HlmNavigationMenuItem

Selector: li[hlmNavigationMenuItem]

HlmNavigationMenuLink

Selector: a[hlmNavigationMenuLink]

HlmNavigationMenuList

Selector: ul[hlmNavigationMenuList]

HlmNavigationMenuPortal

Selector: [hlmNavigationMenuPortal]

HlmNavigationMenuTrigger

Selector: button[hlmNavigationMenuTrigger]

HlmNavigationMenu

Selector: nav[hlmNavigationMenu]

Pagination

Native Select

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Navigation Menu

Installation

1 Copy utils if needed

2 Copy and paste the following code into your project.

Usage

Examples

Vertical

Controlled

Nested

Open on Click

Brain API

BrnNavigationMenuContent

BrnNavigationMenuItem

Inputs

BrnNavigationMenuLink

Inputs

BrnNavigationMenuList

BrnNavigationMenuTrigger

BrnNavigationMenu

Inputs

Outputs

Helm API

HlmNavigationMenuContent

HlmNavigationMenuItem

HlmNavigationMenuLink

HlmNavigationMenuList

HlmNavigationMenuPortal

HlmNavigationMenuTrigger

HlmNavigationMenu