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import { Button } from '@/components/ui/button'
import { Skeleton } from '@/components/ui/skeleton'
interface KeyValueEditorProps {
value: Record<string, string> | undefined
onChange?: (value: Record<string, string> | undefined) => void
readOnly?: boolean
isLoading?: boolean
label?: string
}
function entriesFromRecord(
value: Record<string, string> | undefined,
): [string, string][] {
if (!value) return []
return Object.entries(value).sort(([a], [b]) => a.localeCompare(b))
}
function recordFromEntries(entries: [string, string][]): Record<string, string> {
const result: Record<string, string> = {}
for (const [k, v] of entries) {
if (k.trim() !== '') {
result[k] = v
}
}
return result
}
function hasDuplicates(entries: [string, string][]): Set<string> {
const seen = new Set<string>()
const dupes = new Set<string>()
for (const [k] of entries) {
if (k === '') continue
if (seen.has(k)) dupes.add(k)
seen.add(k)
}
return dupes
}
export function KeyValueEditor({
value,
onChange,
readOnly = false,
isLoading = false,
label,
}: KeyValueEditorProps) {
const [entries, setEntries] = useState<[string, string][]>(() =>
entriesFromRecord(value),
)
const emit = useCallback(
(next: [string, string][]) => {
const cleaned = recordFromEntries(next)
onChange?.(Object.keys(cleaned).length > 0 ? cleaned : undefined)
},
[onChange],
)
const handleKeyChange = useCallback(
(index: number, newKey: string) => {
setEntries((prev) => {
const next = prev.map(([k, v], i) =>
i === index ? [newKey, v] as [string, string] : [k, v] as [string, string],
)
emit(next)
return next
})
},
[emit],
)
const handleValueChange = useCallback(
(index: number, newValue: string) => {
setEntries((prev) => {
const next = prev.map(([k, v], i) =>
i === index ? [k, newValue] as [string, string] : [k, v] as [string, string],
)
emit(next)
return next
})
},
[emit],
)
const handleDelete = useCallback(
(index: number) => {
setEntries((prev) => {
const next = prev.filter((_, i) => i !== index)
emit(next)
return next
})
},
[emit],
)
const handleAdd = useCallback(() => {
setEntries((prev) => {
const next = [...prev, ['', ''] as [string, string]]
emit(next)
return next
})
}, [emit])
if (isLoading) {
return (
<div className="flex flex-col gap-2">
{Array.from({ length: 3 }).map((_, i) => (
<Skeleton key={i} className="h-9 w-full" />
))}
</div>
)
}
if (readOnly) {
if (!value || Object.keys(value).length === 0) {
return (
<span className="text-sm text-muted-foreground">
No metadata available
</span>
)
}
return (
<div className="flex flex-col gap-1">
{entriesFromRecord(value).map(([k, v]) => (
<div key={k} className="text-sm">
<span className="font-mono font-semibold text-muted-foreground">
{k}:
</span>{' '}
<span>{v}</span>
</div>
))}
</div>
)
}
const duplicates = hasDuplicates(entries)
return (
<div className="flex flex-col gap-2">
{label && (
<span className="text-sm font-medium">{label}</span>
)}
{entries.map(([k, v], i) => {
const isDuplicate = k !== '' && duplicates.has(k)
return (
<div key={i} className="flex items-center gap-2">
<input
type="text"
value={k}
onChange={(e) => handleKeyChange(i, e.target.value)}
placeholder="Key"
className={'flex h-9 w-40 rounded-md border bg-background px-3 py-2 text-sm shadow-sm outline-none placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-2 focus-visible:ring-ring/30' + (isDuplicate ? ' border-destructive focus-visible:border-destructive focus-visible:ring-destructive/20' : ' border-input')}
aria-label="Key"
/>
<input
type="text"
value={v}
onChange={(e) => handleValueChange(i, e.target.value)}
placeholder="Value"
className="flex h-9 flex-1 rounded-md border border-input bg-background px-3 py-2 text-sm shadow-sm outline-none placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-2 focus-visible:ring-ring/30"
aria-label="Value"
/>
<Button
variant="ghost"
size="icon-sm"
onClick={() => handleDelete(i)}
aria-label="Delete"
type="button"
>
✕
</Button>
{isDuplicate && (
<span className="text-xs text-destructive whitespace-nowrap">
Duplicate key
</span>
)}
</div>
)
})}
<div>
<Button
variant="outline"
size="sm"
onClick={handleAdd}
type="button"
>
+ Add row
</Button>
</div>
</div>
)
}
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