Files
mcpedia/apps/web/app/components/CommandMenu.tsx
T
2026-08-21 11:07:52 +07:00

212 lines
8.3 KiB
TypeScript

"use client";
import { useState, useEffect, useRef } from "react";
import Link from "next/link";
import { useRouter } from "next/navigation";
interface Hit {
slug: string;
title: string;
section: string;
snippet?: string;
score: number;
}
export default function CommandMenu() {
const [open, setOpen] = useState(false);
const [query, setQuery] = useState("");
const [results, setResults] = useState<Hit[]>([]);
const [loading, setLoading] = useState(false);
const [selectedIndex, setSelectedIndex] = useState(0);
const router = useRouter();
const inputRef = useRef<HTMLInputElement>(null);
// Global shortcut ⌘K or /
useEffect(() => {
function handleKeyDown(e: KeyboardEvent) {
if ((e.metaKey || e.ctrlKey) && e.key === "k") {
e.preventDefault();
setOpen((prev) => !prev);
} else if (e.key === "/" && !["INPUT", "TEXTAREA"].includes((e.target as HTMLElement)?.tagName)) {
e.preventDefault();
setOpen(true);
} else if (e.key === "Escape" && open) {
setOpen(false);
}
}
window.addEventListener("keydown", handleKeyDown);
return () => window.removeEventListener("keydown", handleKeyDown);
}, [open]);
useEffect(() => {
if (open) {
setTimeout(() => inputRef.current?.focus(), 50);
setQuery("");
setResults([]);
setSelectedIndex(0);
}
}, [open]);
// Debounced search
useEffect(() => {
if (!query.trim()) {
setResults([]);
return;
}
const timer = setTimeout(async () => {
setLoading(true);
try {
const res = await fetch(`/api/search?q=${encodeURIComponent(query)}&limit=8`);
const data = await res.json();
setResults(data.results || []);
setSelectedIndex(0);
} catch {
setResults([]);
} finally {
setLoading(false);
}
}, 150);
return () => clearTimeout(timer);
}, [query]);
function handleNavigate(slug: string) {
setOpen(false);
router.push(`/${slug}`);
}
function handleKeyNavigation(e: React.KeyboardEvent) {
if (e.key === "ArrowDown") {
e.preventDefault();
setSelectedIndex((prev) => (results.length > 0 ? (prev + 1) % results.length : 0));
} else if (e.key === "ArrowUp") {
e.preventDefault();
setSelectedIndex((prev) => (results.length > 0 ? (prev - 1 + results.length) % results.length : 0));
} else if (e.key === "Enter" && results[selectedIndex]) {
e.preventDefault();
handleNavigate(results[selectedIndex].slug);
}
}
if (!open) {
return (
<button
onClick={() => setOpen(true)}
className="hidden md:flex items-center gap-2 px-3 py-1.5 bg-[#141517] hover:bg-[#1b1d20] border border-[#23252a] hover:border-[#383b42] text-xs text-[#8a8f98] hover:text-[#d0d6e0] rounded-lg transition-all shadow-inner"
>
<svg className="w-3.5 h-3.5 text-[#62666d]" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
</svg>
<span>Search documentation...</span>
<kbd className="ml-2 font-mono bg-[#08090a] px-1.5 py-0.5 rounded border border-[#1f2022] text-[10px] text-[#62666d]">
⌘K
</kbd>
</button>
);
}
return (
<div className="fixed inset-0 z-50 flex items-start justify-center pt-20 px-4">
{/* Backdrop */}
<div
className="fixed inset-0 bg-black/70 backdrop-blur-sm transition-opacity"
onClick={() => setOpen(false)}
/>
{/* Modal */}
<div className="relative w-full max-w-2xl bg-[#0f1011] border border-[#27292d] rounded-xl shadow-2xl overflow-hidden animate-fade-in">
{/* Search input bar */}
<div className="flex items-center gap-3 px-4 py-3.5 border-b border-[#1f2022] bg-[#141517]">
<svg className="w-5 h-5 text-[#7170ff] shrink-0" fill="none" viewBox="0 0 24 24" stroke="currentColor">
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
</svg>
<input
ref={inputRef}
type="text"
value={query}
onChange={(e) => setQuery(e.target.value)}
onKeyDown={handleKeyNavigation}
placeholder="Type to search (titles, keywords, concepts)..."
className="w-full bg-transparent text-[#f7f8f8] placeholder-[#62666d] text-sm focus:outline-none"
/>
{loading && (
<div className="w-4 h-4 border-2 border-[#5e6ad2] border-t-transparent rounded-full animate-spin shrink-0" />
)}
<button
onClick={() => setOpen(false)}
className="text-xs text-[#62666d] hover:text-[#d0d6e0] bg-[#1b1d20] px-1.5 py-0.5 rounded border border-[#27292d]"
>
ESC
</button>
</div>
{/* Results / Suggestions */}
<div className="max-h-96 overflow-y-auto p-2">
{query.trim() === "" ? (
<div className="px-3 py-6 text-center">
<p className="text-xs text-[#8a8f98]">Search full-text, semantic embeddings, and CTF writeups.</p>
<div className="flex justify-center gap-2 mt-3 text-[11px] text-[#62666d]">
<span>Navigation: <kbd className="bg-[#141517] px-1 py-0.5 rounded border border-[#1f2022]">↑</kbd> <kbd className="bg-[#141517] px-1 py-0.5 rounded border border-[#1f2022]">↓</kbd></span>
<span>Select: <kbd className="bg-[#141517] px-1 py-0.5 rounded border border-[#1f2022]">↵</kbd></span>
</div>
</div>
) : results.length === 0 && !loading ? (
<div className="px-4 py-8 text-center text-xs text-[#8a8f98]">
No documents matching &quot;{query}&quot;
</div>
) : (
<ul className="space-y-1">
{results.map((hit, index) => {
const isSelected = index === selectedIndex;
return (
<li
key={hit.slug}
onClick={() => handleNavigate(hit.slug)}
onMouseEnter={() => setSelectedIndex(index)}
className={`flex items-start justify-between gap-3 px-3 py-2.5 rounded-lg cursor-pointer transition-all ${
isSelected
? "bg-[#5e6ad2]/15 border border-[#5e6ad2]/40 text-[#f7f8f8]"
: "hover:bg-[#141517] text-[#d0d6e0] border border-transparent"
}`}
>
<div className="min-w-0 flex-1">
<div className="flex items-center gap-2">
<span className="text-xs px-1.5 py-0.25 bg-[#191a1b] border border-[#23252a] rounded text-[#7170ff] font-mono">
{hit.section}
</span>
<span className={`text-sm font-medium ${isSelected ? "text-[#7170ff]" : "text-[#f7f8f8]"} truncate`}>
{hit.title}
</span>
</div>
{hit.snippet && (
<p
className="text-xs text-[#8a8f98] mt-1 line-clamp-1 [&>mark]:bg-[#5e6ad2]/30 [&>mark]:text-[#f7f8f8] [&>mark]:rounded [&>mark]:px-0.5"
dangerouslySetInnerHTML={{ __html: hit.snippet }}
/>
)}
</div>
<span className="text-[11px] text-[#62666d] shrink-0 self-center">
{hit.slug}
</span>
</li>
);
})}
</ul>
)}
</div>
{/* Footer */}
<div className="flex items-center justify-between px-4 py-2.5 border-t border-[#1f2022] bg-[#0c0d0e] text-[11px] text-[#62666d]">
<span>Tip: Press <kbd className="bg-[#141517] px-1 py-0.5 rounded border border-[#1f2022]">Hybrid</kbd> search is enabled by default</span>
<Link
href={`/search?q=${encodeURIComponent(query)}`}
onClick={() => setOpen(false)}
className="hover:text-[#7170ff] transition-colors"
>
Open full search page →
</Link>
</div>
</div>
</div>
);
}