407 lines
15 KiB
TypeScript
407 lines
15 KiB
TypeScript
'use client'
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import React, { useState, useEffect, useRef, useCallback } from 'react'
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import type { Header as HeaderType, Page } from '@/payload-types'
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import Link from 'next/link'
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import { usePathname } from 'next/navigation'
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import { MenuIcon, XIcon, ChevronDownIcon, ChevronRightIcon } from 'lucide-react'
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import { SocialIconsRow } from '@/components/SocialIcons'
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import type { SocialLinkData } from '@/components/SocialIcons'
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type NavChild = NonNullable<NonNullable<NonNullable<HeaderType['navItems']>[number]['children']>[number]>
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type NavItem = NonNullable<HeaderType['navItems']>[number]
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function resolveHref(item: {
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type?: string | null
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url?: string | null
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reference?: { relationTo?: string; value?: number | Page | null } | null
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}): string {
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if (item.type === 'reference' && item.reference?.value) {
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const page = item.reference.value
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if (typeof page === 'object' && page !== null) {
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return page.slug === 'home' || page.slug === 'startsida' ? '/' : `/${(page as Page).slug}`
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}
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return '#'
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}
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return item.url || '#'
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}
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function groupChildren(children: NavChild[]): { heading: string | null; links: NavChild[] }[] {
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const main: NavChild[] = []
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const groups: Record<string, NavChild[]> = {}
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const groupOrder: string[] = []
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for (const child of children) {
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if (!child.group) {
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main.push(child)
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} else {
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if (!groups[child.group]) {
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groups[child.group] = []
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groupOrder.push(child.group)
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}
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groups[child.group].push(child)
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}
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}
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const result: { heading: string | null; links: NavChild[] }[] = []
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if (main.length > 0) result.push({ heading: null, links: main })
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for (const g of groupOrder) result.push({ heading: g, links: groups[g] })
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return result
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}
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function useFocusTrap(containerRef: React.RefObject<HTMLElement | null>, active: boolean) {
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useEffect(() => {
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if (!active || !containerRef.current) return
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const container = containerRef.current
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const sel = 'a[href], button:not([disabled]), input:not([disabled]), [tabindex]:not([tabindex="-1"])'
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const getEls = () => Array.from(container.querySelectorAll<HTMLElement>(sel))
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const els = getEls()
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if (els.length > 0) setTimeout(() => els[0]?.focus(), 100)
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const handleKey = (e: KeyboardEvent) => {
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if (e.key !== 'Tab') return
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const focusable = getEls()
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if (!focusable.length) return
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const first = focusable[0]
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const last = focusable[focusable.length - 1]
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if (e.shiftKey) {
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if (document.activeElement === first) { e.preventDefault(); last.focus() }
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} else {
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if (document.activeElement === last) { e.preventDefault(); first.focus() }
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}
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}
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document.addEventListener('keydown', handleKey)
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return () => document.removeEventListener('keydown', handleKey)
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}, [active, containerRef])
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}
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function isActiveSection(item: NavItem, pathname: string | null): boolean {
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if (!pathname || !item.children?.length) {
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const href = resolveHref(item)
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if (href === '/') return pathname === '/'
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return pathname?.startsWith(href) || false
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}
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return item.children.some((child) => {
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const childHref = resolveHref(child)
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if (childHref === '/' || childHref === '#') return false
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return pathname?.startsWith(childHref) || false
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})
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}
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const MegaMenuPanel: React.FC<{
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item: NavItem
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headerRef: React.RefObject<HTMLElement | null>
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panelRef: React.RefObject<HTMLDivElement | null>
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onClose: () => void
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}> = ({ item, headerRef, panelRef, onClose }) => {
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const [top, setTop] = useState(64)
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useEffect(() => {
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const update = () => {
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if (headerRef.current) {
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setTop(headerRef.current.getBoundingClientRect().bottom)
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}
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}
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update()
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window.addEventListener('scroll', update, { passive: true })
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window.addEventListener('resize', update)
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return () => {
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window.removeEventListener('scroll', update)
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window.removeEventListener('resize', update)
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}
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}, [headerRef])
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const columns = groupChildren(item.children || [])
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return (
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<>
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{/* Backdrop */}
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<div
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className="fixed inset-0 z-30"
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style={{ top, backdropFilter: 'blur(4px)', backgroundColor: 'rgba(0,0,0,0.5)' }}
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onClick={onClose}
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/>
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{/* Panel — dark, sharp corners */}
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<div
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ref={panelRef}
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className="fixed left-0 right-0 z-40 bg-lm-dark border-b border-white/10"
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style={{ top }}
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>
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<div className="max-w-[1200px] mx-auto px-6 md:px-8 py-8 md:py-12">
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<div className="grid grid-cols-1 md:grid-cols-[180px_1fr] gap-8 md:gap-12">
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<div>
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<h2 className="text-white font-bold" style={{ fontSize: '1.375rem' }}>
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{item.label}
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</h2>
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</div>
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<div className={`grid gap-6 ${
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columns.length === 1 ? 'grid-cols-1' :
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columns.length === 2 ? 'grid-cols-2' : 'grid-cols-3'
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}`}>
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{columns.map((col, ci) => (
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<div key={ci}>
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{col.heading && (
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<p className="text-white/40 text-xs font-semibold uppercase tracking-widest mb-3">
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{col.heading}
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</p>
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)}
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<ul className="flex flex-col gap-0">
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{col.links.map((link, li) => (
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<li key={li}>
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<Link
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href={resolveHref(link)}
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onClick={onClose}
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className={`block py-1.5 transition-colors duration-150 ${
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col.heading
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? 'text-white/70 hover:text-lm-teal text-base'
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: 'text-white font-semibold text-lg hover:text-lm-teal'
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}`}
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>
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{link.label}
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</Link>
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</li>
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))}
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</ul>
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</div>
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))}
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</div>
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</div>
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</div>
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</div>
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</>
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)
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}
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export const HeaderNav: React.FC<{ data: HeaderType; socialLinks?: SocialLinkData[] }> = ({
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data,
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socialLinks = [],
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}) => {
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const navItems = (data?.navItems || []) as NavItem[]
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const [mobileOpen, setMobileOpen] = useState(false)
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const [openDropdown, setOpenDropdown] = useState<string | null>(null)
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const [mobileOpenSection, setMobileOpenSection] = useState<string | null>(null)
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const pathname = usePathname()
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const navRef = useRef<HTMLDivElement>(null)
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const headerRef = useRef<HTMLElement | null>(null)
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const megaMenuRef = useRef<HTMLDivElement | null>(null)
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const mobileMenuRef = useRef<HTMLDivElement | null>(null)
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useFocusTrap(mobileMenuRef, mobileOpen)
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useEffect(() => {
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if (navRef.current) headerRef.current = navRef.current.closest('header')
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}, [])
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useEffect(() => {
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setMobileOpen(false)
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setMobileOpenSection(null)
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setOpenDropdown(null)
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}, [pathname])
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useEffect(() => {
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document.body.style.overflow = mobileOpen ? 'hidden' : ''
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return () => { document.body.style.overflow = '' }
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}, [mobileOpen])
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useEffect(() => {
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const handler = (e: MouseEvent) => {
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if (
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navRef.current && !navRef.current.contains(e.target as Node) &&
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megaMenuRef.current && !megaMenuRef.current.contains(e.target as Node)
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) setOpenDropdown(null)
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}
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document.addEventListener('mousedown', handler)
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return () => document.removeEventListener('mousedown', handler)
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}, [])
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useEffect(() => {
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const handler = (e: KeyboardEvent) => {
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if (e.key === 'Escape') { setOpenDropdown(null); setMobileOpen(false) }
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}
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document.addEventListener('keydown', handler)
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return () => document.removeEventListener('keydown', handler)
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}, [])
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const closeMobile = () => { setMobileOpen(false); setMobileOpenSection(null) }
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const activeItem = navItems.find(item => item.label === openDropdown)
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return (
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<>
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{/* ── Desktop nav ── */}
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<nav ref={navRef} className="hidden lg:flex gap-7 items-center">
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{navItems.map((item, i) => {
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const hasChildren = item.children && item.children.length > 0
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const isOpen = openDropdown === item.label
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const isMega = item.megaMenu && hasChildren
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const isActive = isActiveSection(item, pathname)
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return hasChildren ? (
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<div key={i} className="relative">
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<button
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onClick={() => setOpenDropdown(isOpen ? null : item.label ?? null)}
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className={`flex items-center gap-1 font-medium text-sm transition-colors ${
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isOpen || isActive ? 'text-lm-teal' : 'text-white hover:text-lm-teal'
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}`}
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aria-haspopup="true"
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aria-expanded={isOpen}
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>
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{item.label}
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<ChevronDownIcon
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className={`w-3.5 h-3.5 transition-transform duration-200 ${isOpen ? 'rotate-180' : ''}`}
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/>
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</button>
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{/* Small dropdown — dark, sharp */}
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{!isMega && (
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<div
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className={`absolute top-full left-0 mt-2 min-w-[200px] bg-lm-dark-3 border border-white/10 py-1 z-50 transition-all duration-150 origin-top shadow-xl ${
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isOpen
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? 'opacity-100 scale-y-100 pointer-events-auto'
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: 'opacity-0 scale-y-95 pointer-events-none'
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}`}
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>
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{item.children!.map((child, j) => (
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<Link
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key={j}
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href={resolveHref(child)}
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onClick={() => setOpenDropdown(null)}
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className="block px-4 py-2.5 text-white/80 hover:text-white hover:bg-white/5 transition-colors text-sm"
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>
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{child.label}
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</Link>
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))}
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</div>
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)}
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</div>
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) : (
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<Link
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key={i}
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href={resolveHref(item)}
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className={`relative font-medium text-sm transition-colors ${
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isActive ? 'text-lm-teal' : 'text-white hover:text-lm-teal'
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}`}
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>
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{item.label}
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{isActive && (
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<span className="absolute -bottom-1 left-0 right-0 h-px bg-lm-teal" />
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)}
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</Link>
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)
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})}
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</nav>
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{/* ── Mega menu panel ── */}
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{activeItem?.megaMenu && activeItem.children?.length && (
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<MegaMenuPanel
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item={activeItem}
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headerRef={headerRef}
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panelRef={megaMenuRef}
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onClose={() => setOpenDropdown(null)}
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/>
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)}
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{/* ── Hamburger ── */}
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<button
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className="lg:hidden text-white p-2 hover:text-lm-teal transition-colors"
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onClick={() => setMobileOpen(!mobileOpen)}
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aria-label={mobileOpen ? 'Stäng meny' : 'Öppna meny'}
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>
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{mobileOpen ? <XIcon className="w-6 h-6" /> : <MenuIcon className="w-6 h-6" />}
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</button>
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{/* ── Mobile backdrop ── */}
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<div
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className={`fixed inset-0 z-40 lg:hidden transition-opacity duration-300 ${
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mobileOpen ? 'opacity-100 pointer-events-auto' : 'opacity-0 pointer-events-none'
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}`}
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style={{ backdropFilter: 'blur(4px)', backgroundColor: 'rgba(0,0,0,0.6)' }}
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onClick={closeMobile}
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aria-hidden="true"
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/>
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{/* ── Mobile slide-in — dark ── */}
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<div
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ref={mobileMenuRef}
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className={`fixed inset-y-0 right-0 z-50 flex flex-col bg-lm-dark lg:hidden
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w-full md:w-[400px]
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transition-transform duration-300
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${mobileOpen ? 'translate-x-0 shadow-[-24px_0_60px_rgba(0,0,0,0.4)]' : 'translate-x-full'}
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`}
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role="dialog"
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aria-modal="true"
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aria-label="Navigeringsmeny"
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>
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{/* Header */}
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<div className="flex items-center justify-between px-6 py-4 border-b border-white/10">
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<Link href="/" onClick={closeMobile} className="text-white font-bold text-lg">
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Layer & Mesh
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</Link>
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<button
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onClick={closeMobile}
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className="text-white/60 p-2 hover:text-white transition-colors"
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aria-label="Stäng meny"
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>
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<XIcon className="w-5 h-5" />
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</button>
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</div>
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{/* Links */}
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<nav className="flex-1 overflow-y-auto px-6 py-4 flex flex-col">
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{navItems.map((item, i) => {
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const hasChildren = item.children && item.children.length > 0
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const isExpanded = mobileOpenSection === item.label
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return hasChildren ? (
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<div key={i} className="border-b border-white/8">
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<button
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onClick={() => setMobileOpenSection(isExpanded ? null : item.label ?? null)}
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className="w-full flex justify-between items-center py-3.5 text-white font-medium text-base hover:text-lm-teal transition-colors"
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>
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{item.label}
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<ChevronRightIcon
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className={`w-4 h-4 transition-transform duration-200 ${isExpanded ? 'rotate-90' : ''}`}
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/>
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</button>
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<div
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className={`overflow-hidden transition-all duration-300 ${
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isExpanded ? 'max-h-[400px] pb-2' : 'max-h-0'
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}`}
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>
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{item.children!.map((child, j) => (
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<Link
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key={j}
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href={resolveHref(child)}
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onClick={closeMobile}
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className="block pl-4 py-2.5 text-lm-teal text-sm border-b border-white/5 hover:text-white transition-colors"
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>
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{child.label}
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</Link>
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))}
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</div>
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</div>
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) : (
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<Link
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key={i}
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href={resolveHref(item)}
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onClick={closeMobile}
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className="py-3.5 text-white font-medium text-base border-b border-white/8 hover:text-lm-teal transition-colors block"
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>
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{item.label}
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</Link>
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)
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})}
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</nav>
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{/* Footer */}
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<div className="px-6 py-4 border-t border-white/10 flex items-center justify-between">
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<span className="text-white/40 text-xs tracking-widest uppercase">Layer & Mesh</span>
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{socialLinks.length > 0 && (
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<SocialIconsRow
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links={socialLinks}
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linkClassName="text-white/40 hover:text-white"
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iconSize="w-5 h-5"
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/>
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)}
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</div>
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</div>
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</>
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)
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}
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