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import { useEffect, useRef, useMemo } from 'react'
import { useCommandStore } from '@/stores/useCommandStore'
function SearchIcon() {
return (
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
<circle cx="11" cy="11" r="8" />
<line x1="21" y1="21" x2="16.65" y2="16.65" />
</svg>
)
}
function Kbd({ keys }: { keys: string }) {
return (
<span className="flex items-center gap-0.5 text-ui-xs">
{keys.split('+').map((k) => (
<kbd
key={k}
className="px-1 py-[1px] rounded text-[10px] leading-none font-mono"
style={{
backgroundColor: 'var(--color-panel-hover)',
color: 'var(--color-text-muted)',
border: '1px solid var(--color-panel-border)',
minWidth: '16px',
textAlign: 'center',
}}
>
{k === 'Ctrl' ? '⌃' : k === 'Shift' ? '⇧' : k === 'Cmd' ? '⌘' : k}
</kbd>
))}
</span>
)
}
function CommandGroup({ category, children }: { category: string; children: React.ReactNode }) {
return (
<div>
<div className="px-4 py-1.5 text-ui-xs font-medium tracking-wider uppercase text-text-muted">{category}</div>
{children}
</div>
)
}
export default function CommandPalette() {
const isOpen = useCommandStore((s) => s.isOpen)
const query = useCommandStore((s) => s.query)
const selectedIndex = useCommandStore((s) => s.selectedIndex)
const commands = useCommandStore((s) => s.commands)
const setQuery = useCommandStore((s) => s.setQuery)
const setSelectedIndex = useCommandStore((s) => s.setSelectedIndex)
const executeSelected = useCommandStore((s) => s.executeSelected)
const close = useCommandStore((s) => s.close)
const inputRef = useRef<HTMLInputElement>(null)
const filtered = useMemo(
() => commands.filter(
(c) =>
c.label.toLowerCase().includes(query.toLowerCase()) ||
c.category.toLowerCase().includes(query.toLowerCase())
),
[commands, query]
)
const grouped = useMemo(() => {
const map = new Map<string, typeof filtered>()
filtered.forEach((c) => {
const group = map.get(c.category) ?? []
group.push(c)
map.set(c.category, group)
})
return Array.from(map.entries())
}, [filtered])
useEffect(() => {
if (isOpen) {
inputRef.current?.focus()
}
}, [isOpen])
useEffect(() => {
if (!isOpen) return
function handleKeyDown(e: KeyboardEvent) {
if (e.key === 'Escape') {
e.preventDefault()
close()
return
}
if (e.key === 'Enter') {
e.preventDefault()
executeSelected()
return
}
if (e.key === 'ArrowDown') {
e.preventDefault()
setSelectedIndex(Math.min(selectedIndex + 1, filtered.length - 1))
return
}
if (e.key === 'ArrowUp') {
e.preventDefault()
setSelectedIndex(Math.max(selectedIndex - 1, 0))
return
}
}
window.addEventListener('keydown', handleKeyDown)
return () => window.removeEventListener('keydown', handleKeyDown)
}, [isOpen, filtered.length, selectedIndex, setSelectedIndex, executeSelected, close])
if (!isOpen) return null
return (
<div
className="fixed inset-0 z-50 flex justify-center"
style={{ paddingTop: '12vh' }}
onClick={close}
role="dialog"
aria-label="Command palette"
>
<div className="absolute inset-0 backdrop-glass" />
<div
className="relative w-full max-w-[520px] rounded-xl shadow-glass overflow-hidden"
style={{
backgroundColor: 'var(--color-panel-bg)',
border: '1px solid var(--color-panel-border)',
maxHeight: '60vh',
display: 'flex',
flexDirection: 'column',
}}
onClick={(e) => e.stopPropagation()}
>
<div className="flex items-center gap-3 px-4 h-11 shrink-0" style={{ borderBottom: '1px solid var(--color-panel-border)' }}>
<span className="text-text-muted shrink-0"><SearchIcon /></span>
<input
ref={inputRef}
type="text"
value={query}
onChange={(e) => setQuery(e.target.value)}
placeholder="Type a command..."
className="flex-1 bg-transparent text-ui-base text-text-primary outline-none placeholder:text-text-muted"
/>
</div>
<div className="flex-1 overflow-y-auto py-2" role="listbox">
{filtered.length === 0 && (
<div className="px-4 py-6 text-ui-sm text-text-muted text-center">
No results found
</div>
)}
{grouped.map(([category, items]) => (
<CommandGroup key={category} category={category}>
{items.map((cmd) => {
const idx = filtered.indexOf(cmd)
const isSelected = idx === selectedIndex
return (
<button
key={cmd.id}
role="option"
aria-selected={isSelected ? 'true' : 'false'}
className="w-full flex items-center justify-between px-4 py-1.5 text-left transition-colors duration-fast"
style={{
backgroundColor: isSelected ? 'var(--color-panel-hover)' : 'transparent',
color: isSelected ? 'var(--color-text-primary)' : 'var(--color-text-secondary)',
}}
onMouseEnter={() => setSelectedIndex(idx)}
onClick={() => {
cmd.action()
close()
}}
>
<span className="text-ui-sm truncate">{cmd.label}</span>
{cmd.shortcut && <Kbd keys={cmd.shortcut} />}
</button>
)
})}
</CommandGroup>
))}
<div className="px-4 pt-2 pb-1 flex items-center gap-3 text-ui-xs text-text-muted border-t border-panel-border mt-2">
<span className="flex items-center gap-1">
<Kbd keys="↑↓" /> navigate
</span>
<span className="flex items-center gap-1">
<Kbd keys="↵" /> select
</span>
<span className="flex items-center gap-1">
<Kbd keys="Esc" /> close
</span>
</div>
</div>
</div>
</div>
)
}
|
