235 lines
9.5 KiB
TypeScript
235 lines
9.5 KiB
TypeScript
'use client'
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import { useState, useRef, useEffect, useCallback } from 'react'
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import { DIMENSION_LABELS, OPERATORS, OPERATOR_LABELS, type DimensionFilter } from '@/lib/filters'
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export interface FilterSuggestion {
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value: string
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label: string
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count?: number
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}
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export interface FilterSuggestions {
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[dimension: string]: FilterSuggestion[]
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}
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interface AddFilterDropdownProps {
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onAdd: (filter: DimensionFilter) => void
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suggestions?: FilterSuggestions
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onFetchSuggestions?: (dimension: string) => Promise<FilterSuggestion[]>
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}
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const ALL_DIMS = ['page', 'referrer', 'country', 'region', 'city', 'browser', 'os', 'device', 'utm_source', 'utm_medium', 'utm_campaign']
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export default function AddFilterDropdown({ onAdd, suggestions = {}, onFetchSuggestions }: AddFilterDropdownProps) {
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const [isOpen, setIsOpen] = useState(false)
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const [selectedDim, setSelectedDim] = useState<string | null>(null)
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const [operator, setOperator] = useState<DimensionFilter['operator']>('is')
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const [search, setSearch] = useState('')
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const [fetchedSuggestions, setFetchedSuggestions] = useState<FilterSuggestion[]>([])
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const [isFetching, setIsFetching] = useState(false)
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const ref = useRef<HTMLDivElement>(null)
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const inputRef = useRef<HTMLInputElement>(null)
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// Close on outside click or Escape
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useEffect(() => {
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if (!isOpen) return
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function handleClick(e: MouseEvent) {
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if (ref.current && !ref.current.contains(e.target as Node)) {
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handleClose()
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}
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}
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function handleEsc(e: KeyboardEvent) {
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if (e.key === 'Escape') handleClose()
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}
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document.addEventListener('mousedown', handleClick)
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document.addEventListener('keydown', handleEsc)
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return () => {
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document.removeEventListener('mousedown', handleClick)
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document.removeEventListener('keydown', handleEsc)
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}
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}, [isOpen])
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// Focus search input when a dimension is selected
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useEffect(() => {
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if (selectedDim) inputRef.current?.focus()
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}, [selectedDim])
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// Fetch full suggestions when a dimension is selected
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useEffect(() => {
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if (!selectedDim || !onFetchSuggestions) {
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setFetchedSuggestions([])
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return
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}
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let cancelled = false
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setIsFetching(true)
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onFetchSuggestions(selectedDim).then(data => {
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if (!cancelled) {
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setFetchedSuggestions(data)
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setIsFetching(false)
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}
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}).catch(() => {
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if (!cancelled) setIsFetching(false)
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})
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return () => { cancelled = true }
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}, [selectedDim, onFetchSuggestions])
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const handleClose = useCallback(() => {
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setIsOpen(false)
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setSelectedDim(null)
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setOperator('is')
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setSearch('')
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setFetchedSuggestions([])
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}, [])
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function handleSelectValue(value: string) {
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onAdd({ dimension: selectedDim!, operator, values: [value] })
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handleClose()
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}
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function handleSubmitCustom() {
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if (!search.trim() || !selectedDim) return
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onAdd({ dimension: selectedDim, operator, values: [search.trim()] })
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handleClose()
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}
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// Use fetched data if available, fall back to prop suggestions
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const dimSuggestions = selectedDim
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? (fetchedSuggestions.length > 0 ? fetchedSuggestions : (suggestions[selectedDim] || []))
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: []
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const filtered = dimSuggestions.filter(s =>
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s.label.toLowerCase().includes(search.toLowerCase()) ||
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s.value.toLowerCase().includes(search.toLowerCase())
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)
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return (
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<div className="relative" ref={ref}>
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<button
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onClick={() => {
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if (isOpen) { handleClose() } else { setIsOpen(true) }
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}}
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className={`inline-flex items-center gap-2 px-3 py-1.5 text-xs font-medium rounded-lg transition-all cursor-pointer ${
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isOpen
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? 'bg-brand-orange/10 text-brand-orange border border-brand-orange/30'
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: 'bg-neutral-800 text-neutral-400 hover:bg-neutral-700 hover:text-white border border-transparent'
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}`}
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>
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<svg className="w-3.5 h-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
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<path strokeLinecap="round" strokeLinejoin="round" d="M12 3c2.755 0 5.455.232 8.083.678.533.09.917.556.917 1.096v1.044a2.25 2.25 0 0 1-.659 1.591l-5.432 5.432a2.25 2.25 0 0 0-.659 1.591v2.927a2.25 2.25 0 0 1-1.244 2.013L9.75 21v-6.568a2.25 2.25 0 0 0-.659-1.591L3.659 7.409A2.25 2.25 0 0 1 3 5.818V4.774c0-.54.384-1.006.917-1.096A48.32 48.32 0 0 1 12 3Z" />
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</svg>
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Filter
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</button>
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{isOpen && (
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<div className="absolute top-full left-0 mt-1.5 z-50 bg-neutral-900 border border-neutral-700 rounded-xl shadow-xl overflow-hidden min-w-[280px]">
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{!selectedDim ? (
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/* Step 1: Dimension list */
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<div className="py-1">
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{ALL_DIMS.map(dim => (
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<button
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key={dim}
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onClick={() => setSelectedDim(dim)}
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className="w-full flex items-center justify-between px-4 py-2.5 text-sm text-left hover:bg-neutral-800 transition-colors cursor-pointer"
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>
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<span className="text-white font-medium">{DIMENSION_LABELS[dim]}</span>
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<svg className="w-3.5 h-3.5 text-neutral-400" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
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<path strokeLinecap="round" strokeLinejoin="round" d="M9 5l7 7-7 7" />
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</svg>
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</button>
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))}
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</div>
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) : (
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/* Step 2: Operator + search + values */
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<>
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{/* Header with back button */}
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<div className="flex items-center gap-2 px-3 pt-3 pb-2">
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<button
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onClick={() => { setSelectedDim(null); setSearch(''); setOperator('is'); setFetchedSuggestions([]) }}
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className="p-1 text-neutral-400 hover:text-neutral-300 transition-colors cursor-pointer rounded-md hover:bg-neutral-800"
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>
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<svg className="w-3.5 h-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
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<path strokeLinecap="round" strokeLinejoin="round" d="M15 19l-7-7 7-7" />
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</svg>
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</button>
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<span className="text-sm font-semibold text-white">
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{DIMENSION_LABELS[selectedDim]}
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</span>
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</div>
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{/* Operator pills */}
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<div className="flex gap-1 px-3 pb-2 flex-wrap">
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{OPERATORS.map(op => (
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<button
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key={op}
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onClick={() => setOperator(op)}
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className={`px-2.5 py-1 text-[11px] font-medium rounded-md transition-colors cursor-pointer ${
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operator === op
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? 'bg-brand-orange text-white'
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: 'bg-neutral-800 text-neutral-400 hover:bg-neutral-700'
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}`}
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>
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{OPERATOR_LABELS[op]}
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</button>
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))}
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</div>
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{/* Search input */}
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<div className="px-3 pb-2">
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<input
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ref={inputRef}
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value={search}
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onChange={e => setSearch(e.target.value)}
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onKeyDown={e => {
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if (e.key === 'Enter') {
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if (filtered.length === 1) {
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handleSelectValue(filtered[0].value)
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} else {
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handleSubmitCustom()
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}
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}
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}}
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placeholder={`Search ${DIMENSION_LABELS[selectedDim]?.toLowerCase()}...`}
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className="w-full px-3 py-2 text-sm bg-neutral-800 border border-neutral-700 rounded-lg text-white placeholder-neutral-400 focus:outline-none focus:ring-2 focus:ring-brand-orange/40 focus:border-brand-orange transition-colors"
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/>
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</div>
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{/* Values list */}
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{isFetching ? (
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<div className="px-4 py-6 text-center">
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<div className="inline-block w-4 h-4 border-2 border-neutral-600 border-t-brand-orange rounded-full animate-spin" />
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</div>
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) : filtered.length > 0 ? (
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<div className="max-h-52 overflow-y-auto border-t border-neutral-800">
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{filtered.map(s => (
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<button
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key={s.value}
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onClick={() => handleSelectValue(s.value)}
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className="w-full flex items-center justify-between px-4 py-2 text-sm text-left hover:bg-neutral-800 transition-colors cursor-pointer"
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>
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<span className="truncate text-white">{s.label}</span>
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{s.count !== undefined && (
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<span className="text-xs text-neutral-400 dark:text-neutral-500 ml-2 tabular-nums flex-shrink-0">
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{s.count.toLocaleString()}
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</span>
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)}
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</button>
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))}
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</div>
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) : search.trim() ? (
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<div className="px-3 py-3 border-t border-neutral-800">
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<button
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onClick={handleSubmitCustom}
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className="w-full px-3 py-2 text-sm font-medium bg-brand-orange text-white rounded-lg hover:bg-brand-orange/90 transition-colors cursor-pointer"
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>
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Filter by “{search.trim()}”
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</button>
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</div>
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) : null}
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</>
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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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}
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