"use client"; import { useCallback, useEffect, useRef, useState, useSyncExternalStore } from "react"; import Link from "next/link"; import { usePathname, useRouter } from "next/navigation"; import { ArrowRight, Cloud, FileText, Github, Menu, Moon, Package, Plus, Search, Shapes, Sparkles, Sun, X } from "lucide-react"; import { useTheme } from "next-themes"; import { useSearchParams } from "next/navigation"; import { Button } from "@/components/ui/button"; import { useSidebarStore } from "@/lib/stores/sidebar-store"; import { useSearchStore } from "@/lib/stores/search-store"; import type { IconEntry } from "@/lib/icons"; import { loadIconsManifest } from "@/lib/icons-manifest"; import { cn } from "@/lib/utils"; /** Inline AWS logo - text inherits currentColor, arrow stays orange */ function AwsLogo({ className }: { className?: string }) { return ( ); } function AzureLogo({ className }: { className?: string }) { return ( ); } function GcpLogo({ className }: { className?: string }) { return ( ); } function SubmitButton() { return ( {/* Shimmer */} Submit Icon ); } const FIGMA_BADGE_EXPIRES_AT = Date.UTC(2026, 5, 3); export function Header() { const { theme, setTheme } = useTheme(); const showFigmaBadge = useSyncExternalStore( () => () => {}, () => Date.now() < FIGMA_BADGE_EXPIRES_AT, () => true, ); const toggleSidebar = useSidebarStore((s) => s.toggle); const query = useSearchStore((s) => s.query); const setQuery = useSearchStore((s) => s.setQuery); const pathname = usePathname(); const router = useRouter(); const searchParams = useSearchParams(); const inputRef = useRef(null); const dropdownRef = useRef(null); const isMac = useSyncExternalStore( () => () => {}, () => navigator.userAgent.includes("Mac"), () => false, ); const prefersReducedMotion = useSyncExternalStore( (cb) => { const mq = window.matchMedia("(prefers-reduced-motion: reduce)"); mq.addEventListener("change", cb); return () => mq.removeEventListener("change", cb); }, () => window.matchMedia("(prefers-reduced-motion: reduce)").matches, () => false, ); const [focused, setFocused] = useState(false); const [selectedIdx, setSelectedIdx] = useState(-1); const activeCollection = searchParams.get("collection") || (pathname.startsWith("/collection/") ? pathname.split("/")[2] : null); // Typewriter placeholder effect const PLACEHOLDER_BRANDS = ["GitHub", "Stripe", "Figma", "Docker", "AWS Lambda", "Azure Functions", "BigQuery", "Vercel", "React", "Tailwind CSS"]; const [placeholderIdx, setPlaceholderIdx] = useState(0); const [charIdx, setCharIdx] = useState(0); const [isDeleting, setIsDeleting] = useState(false); useEffect(() => { if (query || focused || prefersReducedMotion) return; const brand = PLACEHOLDER_BRANDS[placeholderIdx]; const timer = setTimeout(() => { if (!isDeleting) { if (charIdx < brand.length) { setCharIdx(charIdx + 1); } else { setTimeout(() => setIsDeleting(true), 1500); } } else { if (charIdx > 0) { setCharIdx(charIdx - 1); } else { setIsDeleting(false); setPlaceholderIdx((placeholderIdx + 1) % PLACEHOLDER_BRANDS.length); } } }, isDeleting ? 40 : 80); return () => clearTimeout(timer); }, [charIdx, isDeleting, placeholderIdx, query, focused, prefersReducedMotion]); const dynamicPlaceholder = query || focused ? "Search icons..." : prefersReducedMotion ? `Search "${PLACEHOLDER_BRANDS[0]}"` : `Search "${PLACEHOLDER_BRANDS[placeholderIdx].slice(0, charIdx)}"`; const isHome = pathname === "/"; const [suggestions, setSuggestions] = useState([]); const hasQuery = query.trim().length >= 2; const showDropdown = focused && (hasQuery ? suggestions.length > 0 : true); // Lazy-load the manifest and Fuse.js when the user types a search query useEffect(() => { if (!hasQuery) { setSuggestions([]); setSelectedIdx(-1); return; } let active = true; Promise.all([loadIconsManifest(), import("@/lib/search")]).then(([icons, { searchIcons }]) => { if (!active) return; setSuggestions(searchIcons(icons, query).slice(0, 6)); setSelectedIdx(-1); }).catch(() => { if (active) setSuggestions([]); }); return () => { active = false; }; }, [query, hasQuery]); // Close dropdown on click outside useEffect(() => { function handleClickOutside(e: MouseEvent) { if ( dropdownRef.current && !dropdownRef.current.contains(e.target as Node) && inputRef.current && !inputRef.current.contains(e.target as Node) ) { setFocused(false); } } document.addEventListener("mousedown", handleClickOutside); return () => document.removeEventListener("mousedown", handleClickOutside); }, []); useEffect(() => { function handleKeyDown(e: KeyboardEvent) { if ((e.metaKey || e.ctrlKey) && e.key === "k") { e.preventDefault(); inputRef.current?.focus(); } if (e.key === "Escape") { inputRef.current?.blur(); setFocused(false); if (isHome) setQuery(""); } } document.addEventListener("keydown", handleKeyDown); return () => document.removeEventListener("keydown", handleKeyDown); }, [isHome, setQuery]); const navigateToIcon = useCallback( (slug: string) => { setFocused(false); inputRef.current?.blur(); router.push(`/icon/${slug}`); }, [router] ); function handleSearchChange(value: string) { setQuery(value); if (!isHome) { router.push(`/?q=${encodeURIComponent(value)}`); } } function handleSearchSubmit(e: React.FormEvent) { e.preventDefault(); if (showDropdown && selectedIdx >= 0 && selectedIdx < suggestions.length) { navigateToIcon(suggestions[selectedIdx].slug); return; } setFocused(false); if (!isHome && query) { router.push(`/?q=${encodeURIComponent(query)}`); } } function handleKeyNav(e: React.KeyboardEvent) { if (!showDropdown) return; if (e.key === "ArrowDown") { e.preventDefault(); setSelectedIdx((prev) => (prev < suggestions.length - 1 ? prev + 1 : 0)); } else if (e.key === "ArrowUp") { e.preventDefault(); setSelectedIdx((prev) => (prev > 0 ? prev - 1 : suggestions.length - 1)); } } return (

{/* Left: menu + logo */}

theSVG

{/* Collection switcher */} {/* Center: search with dropdown */}

handleSearchChange(e.target.value)} onFocus={() => setFocused(true)} onKeyDown={handleKeyNav} placeholder={dynamicPlaceholder} className="h-9 w-full rounded-xl border border-border bg-muted/40 pr-16 pl-9 text-sm shadow-sm outline-none transition-all placeholder:text-muted-foreground/50 focus:border-primary/40 focus:bg-background focus:shadow-[0_2px_12px_-2px_rgba(0,0,0,0.08)] focus:ring-1 focus:ring-ring/30 dark:border-white/[0.08] dark:bg-white/[0.04] dark:focus:border-white/[0.15] dark:focus:bg-white/[0.06] dark:focus:shadow-[0_2px_12px_-2px_rgba(0,0,0,0.3)]" aria-label="Search icons" role="combobox" aria-expanded={showDropdown} aria-controls="header-search-listbox" aria-autocomplete="list" />

{query && ( )} {isMac ? "\u2318K" : "^K"}

{/* Search dropdown */} {showDropdown && (

); }