chore(ui): сохранить основу поэтапной миграции таблиц
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"use client"
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import * as React from "react"
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import {
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useCascaderActions,
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useCascaderState,
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} from "@/components/reui/cascader/cascader-context"
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import type { CascaderColumn } from "@/components/reui/cascader/cascader-context"
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import {
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CascaderItem,
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getCascaderMoreProps,
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} from "@/components/reui/cascader/cascader-item"
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import {
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CASCADER_LIST_HEIGHT_CLASS,
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CASCADER_LIST_PAD_CLASS,
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CASCADER_ROOT_KEY,
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CASCADER_ROWS_CLASS,
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CASCADER_SCROLL_CLASS,
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warnCascaderOnce,
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} from "@/components/reui/cascader/cascader-lib"
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import { Combobox as ComboboxPrimitive } from "@base-ui/react"
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import { cn } from "@/lib/utils"
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import { ScrollArea } from "@/components/ui/scroll-area"
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import { LoaderCircleIcon } from "lucide-react"
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export interface CascaderColumnsProps extends Omit<
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React.ComponentProps<"div">,
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"children"
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> {
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/** Width of each column. */
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columnWidth?: number | string
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/** Height CAP per column. Falls back to the root `maxHeight`, then 24rem. */
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maxHeight?: number | string
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/** Replaces the default panel; the seam a windowed column plugs into. */
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children?: (column: CascaderColumn) => React.ReactNode
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}
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/**
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* Miller columns: the open trail side by side, one panel per level. Only the
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* DEEPEST column is a real listbox (Base UI owns exactly one list); the trail
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* behind is plain buttons, which keeps one state machine instead of a second,
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* 2D one. `CascaderInput` moves between columns with ArrowLeft/ArrowRight.
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*/
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function CascaderColumns({
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className,
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columnWidth = 220,
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maxHeight: maxHeightProp,
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children,
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...props
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}: CascaderColumnsProps) {
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const { maxHeight, mode, labels } = useCascaderActions()
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const { columns } = useCascaderState()
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// Before the early return, so the hook count is the same in both modes.
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React.useEffect(() => {
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if (process.env.NODE_ENV === "production") return
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if (mode === "columns") return
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warnCascaderOnce(
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`columns-outside-columns-mode:${mode}`,
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`\`CascaderColumns\` renders nothing in \`mode="${mode}"\`, so \`columnWidth\` and everything else on it does nothing. Set \`mode="columns"\` on the root, or render \`CascaderList\` instead.`
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)
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}, [mode])
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if (mode !== "columns") return null
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const height = maxHeightProp ?? maxHeight
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const toCss = (value: number | string) =>
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typeof value === "number" ? `${value}px` : value
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return (
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<div
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data-slot="cascader-columns"
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role="group"
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aria-label={labels.columnsLabel}
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style={
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{
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"--cascader-column-width": toCss(columnWidth),
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/* Set only from an EXPLICIT cap: unset means "24rem or what the
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viewport leaves", via the `min()` fallback on the panel. A `?? 280`
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default here ignored short viewports and wasted tall ones. */
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...(height != null
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? { "--cascader-max-height": toCss(height) }
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: null),
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} as React.CSSProperties
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}
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className={cn(
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/* `max-h-full` with `min-h-0`: the trail is the panel's shrinking
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child, and the columns inside it size against this box. */
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"flex max-h-full min-h-0 items-stretch overflow-x-auto overscroll-x-contain",
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CASCADER_LIST_PAD_CLASS,
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className
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)}
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{...props}
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>
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{columns.map((column) =>
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children ? (
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<React.Fragment key={column.depth}>{children(column)}</React.Fragment>
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) : (
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<CascaderColumnPanel key={column.depth} column={column} />
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)
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)}
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</div>
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)
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}
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/**
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* One column's box. `columnWidth` is the width of the LIST, not the box: under
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* `border-box` the 1px inline-start divider on every column but the first would
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* come out of the rows, so bordered columns are widened by that pixel. The box
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* is also the BOUND, the same `min(--available-height, cap)` the single list
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* uses, and the `ScrollArea` inside scrolls, so every column shows a thumb.
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*/
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const PANEL_CLASS = `flex w-(--cascader-column-width) shrink-0 flex-col overscroll-contain not-first:w-[calc(var(--cascader-column-width)_+_1px)] not-first:border-border/60 not-first:border-s ${CASCADER_LIST_HEIGHT_CLASS}`
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export interface CascaderColumnPanelProps {
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column: CascaderColumn
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/** Replaces the panel's rows; the empty state still wins on an empty column. */
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children?: React.ReactNode
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/** Containing block for the windowed column's absolutely positioned rows. */
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virtualized?: boolean
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}
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function CascaderColumnPanel({
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column,
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children,
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virtualized,
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}: CascaderColumnPanelProps) {
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const {
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labels,
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baseId,
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isBranch,
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isSelectable,
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isSelected,
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isIndeterminate,
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retryLevel,
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} = useCascaderActions()
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const { loadStates } = useCascaderState()
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// Keyed per level, not one global flag: columns load and land independently.
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const columnKey = column.parent?.value ?? CASCADER_ROOT_KEY
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const loadState = loadStates.get(columnKey)
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let emptyBody: React.ReactNode = labels.empty
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if (loadState?.error) {
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emptyBody = (
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<>
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{labels.error}{" "}
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<button
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type="button"
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data-slot="cascader-retry"
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onClick={() => retryLevel(columnKey)}
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className="text-foreground hover:bg-accent focus-visible:ring-ring/50 rounded-md px-1 font-medium outline-hidden transition-colors focus-visible:ring-2"
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>
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{labels.retry}
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</button>
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</>
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)
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} else if (loadState?.loading) {
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emptyBody = (
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<span className="flex items-center gap-1.5">
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<LoaderCircleIcon className="size-3.5 animate-spin" aria-hidden />
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{labels.loading}
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</span>
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)
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}
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const rows =
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column.items.length === 0 ? (
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<p
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data-slot="cascader-column-empty"
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data-state={
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loadState?.error ? "error" : loadState?.loading ? "loading" : "empty"
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}
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className="text-muted-foreground px-2 py-1.5 text-sm"
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>
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{emptyBody}
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</p>
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) : (
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(children ??
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column.items.map((node, i) => {
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const open = node.value === column.activeValue
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return (
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<CascaderItem
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key={node.value}
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node={node}
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/* A trail row must not compete for `aria-activedescendant`. */
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as={column.active ? "option" : "button"}
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depth={column.depth}
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/* Answered here, not in the row: the trail rows are memoised too. */
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branch={isBranch(node)}
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selectable={isSelectable(node)}
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selected={isSelected(node)}
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indeterminate={isIndeterminate(node)}
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{...getCascaderMoreProps(node, loadStates)}
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data-open={open || undefined}
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className={open ? "bg-accent/60 text-accent-foreground" : undefined}
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/* Set metadata is option-only; a trail row is a `role="button"`. */
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{...(column.active
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? {
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"aria-setsize": column.items.length,
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"aria-posinset": i + 1,
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}
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: null)}
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{...(!column.active && open
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? {
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"aria-expanded": true,
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"aria-controls": `${baseId}-column-${column.depth + 1}`,
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}
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: null)}
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/>
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)
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}))
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)
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const shared = {
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"data-slot": "cascader-column",
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"data-active": column.active || undefined,
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"data-depth": column.depth,
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// Addressable so the opening trail row can point `aria-controls` here, and
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// named even at the root, which has no parent label to borrow.
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id: `${baseId}-column-${column.depth}`,
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"aria-label": column.parent?.label ?? labels.rootLevel,
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// Conditional spread, never an explicit `undefined`: the active column is a
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// Base UI element, and its `mergeProps` iterates own keys.
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...(virtualized ? { "data-virtualized": true } : null),
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}
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// A windowed row is absolutely positioned, so the ROWS' box is the containing
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// block, not the scrollport: it carries the padding the geometry is measured
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// against.
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const rowsClass = cn(CASCADER_ROWS_CLASS, virtualized && "relative")
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// The active column IS the Combobox list: only rows inside `Combobox.List`
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// reach the CompositeList, arrow-key navigation and `aria-activedescendant`.
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const body = column.active ? (
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<ComboboxPrimitive.List {...shared} className={rowsClass}>
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{rows}
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</ComboboxPrimitive.List>
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) : (
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// A named `group`, not a second listbox competing with the active column.
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<div {...shared} role="group" className={rowsClass}>
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{rows}
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</div>
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)
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return (
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<div
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data-slot="cascader-column-bounds"
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/* Repeated from `shared`: this box, not the semantic element, owns the
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width, the divider and the height, so style hooks must reach it, and
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`:first-child` on the semantic element no longer means "first column"
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(it is its own scrollport's only child). */
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data-active={column.active || undefined}
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data-depth={column.depth}
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className={PANEL_CLASS}
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>
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<ScrollArea className={CASCADER_SCROLL_CLASS}>{body}</ScrollArea>
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</div>
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)
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}
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export { CascaderColumnPanel, CascaderColumns }
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