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import ReactDOM from 'react-dom'
import { ChevronDown, Check } from 'lucide-react'
interface SelectOption {
// Callers use both string keys and numeric ids (e.g. day/place ids) as values;
// the component only does strict-equality lookups and key rendering, so either works.
value: string | number
label: string
icon?: React.ReactNode
isHeader?: boolean
searchLabel?: string
groupLabel?: string
badge?: string
}
interface CustomSelectProps {
value: string | number
onChange: (value: string | number) => void
options?: SelectOption[]
placeholder?: string
searchable?: boolean
style?: React.CSSProperties
size?: 'sm' | 'md'
disabled?: boolean
}
export default function CustomSelect({
value,
onChange,
options = [],
placeholder = '',
searchable = false,
style = {},
size = 'md',
disabled = false,
}: CustomSelectProps) {
const [open, setOpen] = useState(false)
const [search, setSearch] = useState('')
const ref = useRef<HTMLDivElement>(null)
const dropRef = useRef<HTMLDivElement>(null)
const searchRef = useRef<HTMLInputElement>(null)
useEffect(() => {
if (open && searchable && searchRef.current) searchRef.current.focus()
}, [open, searchable])
useEffect(() => {
const handleClick = (e: MouseEvent) => {
if (ref.current?.contains(e.target as Node)) return
if (dropRef.current?.contains(e.target as Node)) return
setOpen(false)
}
if (open) document.addEventListener('mousedown', handleClick)
return () => document.removeEventListener('mousedown', handleClick)
}, [open])
const selected = options.find(o => o.value === value)
const filtered = searchable && search
? (() => {
const q = search.toLowerCase()
const result: SelectOption[] = []
let currentHeader: SelectOption | null = null
let headerAdded = false
for (const o of options) {
if (o.isHeader) {
currentHeader = o
headerAdded = false
continue
}
const haystack = [o.label, o.searchLabel, o.groupLabel].filter(Boolean).join(' ').toLowerCase()
if (haystack.includes(q)) {
if (currentHeader && !headerAdded) {
result.push(currentHeader)
headerAdded = true
}
result.push(o)
}
}
return result
})()
: options
const sm = size === 'sm'
return (
<div ref={ref} style={{ position: 'relative', ...style }}>
{/* Trigger */}
<button
type="button"
disabled={disabled}
onClick={() => { if (!disabled) { setOpen(o => !o); setSearch('') } }}
style={{
width: '100%', display: 'flex', alignItems: 'center', gap: 8,
padding: sm ? '8px 12px' : '8px 14px', borderRadius: 10,
border: '1px solid var(--border-primary)',
background: 'var(--bg-input)', color: 'var(--text-primary)',
fontSize: 13, fontWeight: 500, fontFamily: 'inherit',
cursor: disabled ? 'default' : 'pointer', outline: 'none', textAlign: 'left',
transition: 'border-color 0.15s', overflow: 'hidden', minWidth: 0,
opacity: disabled ? 0.5 : 1,
}}
onMouseEnter={e => { if (!disabled) e.currentTarget.style.borderColor = 'var(--text-faint)' }}
onMouseLeave={e => { if (!open) e.currentTarget.style.borderColor = 'var(--border-primary)' }}
>
{selected?.icon && <span style={{ display: 'flex', flexShrink: 0 }}>{selected.icon}</span>}
<span style={{ flex: 1, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', color: selected ? 'var(--text-primary)' : 'var(--text-faint)' }}>
{selected ? selected.label : placeholder}
</span>
{selected?.badge && (
<span style={{
flexShrink: 0, fontSize: 10, fontWeight: 600, color: 'var(--text-muted)',
background: 'var(--bg-tertiary)', padding: '2px 7px', borderRadius: 999,
letterSpacing: '0.01em',
}}>{selected.badge}</span>
)}
<ChevronDown size={sm ? 12 : 14} style={{ flexShrink: 0, color: 'var(--text-faint)', transition: 'transform 200ms cubic-bezier(0.23,1,0.32,1)', transform: open ? 'rotate(180deg)' : 'none' }} />
</button>
{/* Dropdown */}
{open && ReactDOM.createPortal(
<div ref={dropRef} style={{
position: 'fixed',
...(() => {
const r = ref.current?.getBoundingClientRect()
if (!r) return { top: 0, left: 0, width: 200 }
const spaceBelow = window.innerHeight - r.bottom
const openUp = spaceBelow < 220 && r.top > spaceBelow
return openUp
? { bottom: window.innerHeight - r.top + 4, left: r.left, width: r.width }
: { top: r.bottom + 4, left: r.left, width: r.width }
})(),
zIndex: 99999,
background: 'var(--bg-card)',
backdropFilter: 'blur(24px) saturate(180%)',
WebkitBackdropFilter: 'blur(24px) saturate(180%)',
border: '1px solid var(--border-primary)',
borderRadius: 10,
boxShadow: '0 8px 32px rgba(0,0,0,0.12)',
overflow: 'hidden',
animation: 'trek-menu-enter 200ms cubic-bezier(0.23, 1, 0.32, 1)',
transformOrigin: 'top center',
willChange: 'transform, opacity',
}}>
{/* Search */}
{searchable && (
<div style={{ padding: '6px 6px 2px' }}>
<input
ref={searchRef}
type="text"
value={search}
onChange={e => setSearch(e.target.value)}
placeholder="..."
style={{
width: '100%', border: '1px solid var(--border-secondary)', borderRadius: 6,
padding: '5px 8px', fontSize: 12, outline: 'none', fontFamily: 'inherit',
background: 'var(--bg-secondary)', color: 'var(--text-primary)',
boxSizing: 'border-box',
}}
/>
</div>
)}
{/* Options */}
<div style={{ maxHeight: 220, overflowY: 'auto', padding: '4px' }}>
{filtered.length === 0 ? (
<div style={{ padding: '10px 12px', fontSize: 12, color: 'var(--text-faint)', textAlign: 'center' }}>—</div>
) : (
filtered.map(option => {
if (option.isHeader) {
return (
<div key={option.value} style={{
padding: '5px 10px', fontSize: 10, fontWeight: 700, color: 'var(--text-faint)',
textTransform: 'uppercase', letterSpacing: '0.03em',
background: 'var(--bg-tertiary)', borderRadius: 4, margin: '2px 0',
}}>
{option.label}
</div>
)
}
const isSelected = option.value === value
return (
<button
key={option.value}
type="button"
onClick={() => { onChange(option.value); setOpen(false); setSearch('') }}
style={{
width: '100%', display: 'flex', alignItems: 'center', gap: 8,
padding: '7px 10px', borderRadius: 6,
border: 'none', background: isSelected ? 'var(--bg-hover)' : 'transparent',
color: 'var(--text-primary)', fontSize: 13, fontFamily: 'inherit',
cursor: 'pointer', textAlign: 'left', transition: 'background 0.1s',
}}
onMouseEnter={e => e.currentTarget.style.background = 'var(--bg-hover)'}
onMouseLeave={e => e.currentTarget.style.background = isSelected ? 'var(--bg-hover)' : 'transparent'}
>
{option.icon && <span style={{ display: 'flex', flexShrink: 0 }}>{option.icon}</span>}
<span style={{ flex: 1, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{option.label}</span>
{option.badge && (
<span style={{
flexShrink: 0, fontSize: 10, fontWeight: 600, color: 'var(--text-muted)',
background: 'var(--bg-tertiary)', padding: '2px 7px', borderRadius: 999,
letterSpacing: '0.01em',
}}>{option.badge}</span>
)}
{isSelected && <Check size={13} style={{ flexShrink: 0, color: 'var(--text-muted)' }} />}
</button>
)
})
)}
</div>
</div>,
document.body
)}
</div>
)
}
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