{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "calendar",
  "title": "Calendar",
  "description": "Date calendar on react-day-picker v10 styled with ai2 Button and tokens. Single, multiple and range selection, dropdown or label caption, outside days, week numbers. Exports Calendar, CalendarDayButton.",
  "dependencies": [
    "react-day-picker@^10.0.1",
    "lucide-react@^1.23.0"
  ],
  "registryDependencies": [
    "@ai2/button",
    "@ai2/tokens"
  ],
  "files": [
    {
      "path": "registry/ai2/ui/calendar.tsx",
      "content": "\"use client\"\n\nimport * as React from \"react\"\nimport {\n  ChevronDownIcon,\n  ChevronLeftIcon,\n  ChevronRightIcon,\n} from \"lucide-react\"\nimport {\n  DayPicker,\n  getDefaultClassNames,\n  type DayButton,\n} from \"react-day-picker\"\n\nimport { cn } from \"@/lib/utils\"\nimport { Button, buttonVariants } from \"@/registry/ai2/ui/button\"\n\nfunction Calendar({\n  className,\n  classNames,\n  showOutsideDays = true,\n  captionLayout = \"label\",\n  buttonVariant = \"ghost\",\n  formatters,\n  components,\n  ...props\n}: React.ComponentProps<typeof DayPicker> & {\n  buttonVariant?: React.ComponentProps<typeof Button>[\"variant\"]\n}) {\n  const defaultClassNames = getDefaultClassNames()\n\n  return (\n    <DayPicker\n      showOutsideDays={showOutsideDays}\n      /* WCAG 1.4.4 (200% text): a seven-column date grid CANNOT reflow on a\n         narrow screen - cells are rem-based, so doubling the font size makes\n         the calendar want ~500px. Squeezing it clips the inner structure\n         (tried in one round, the headers were cut off), so the correct fix is\n         to CONTAIN it: the calendar scrolls inside itself instead of pushing\n         the page. Same pattern as `tabs-list`; the scrollbar is hidden and\n         keyboard and mouse access are unchanged. */\n      className={cn(\n        \"group/calendar max-w-full overflow-x-auto bg-popover p-3 [--cell-size:--spacing(8)] [&::-webkit-scrollbar]:hidden [scrollbar-width:none] [[data-slot=card-content]_&]:bg-transparent [[data-slot=popover-content]_&]:bg-transparent\",\n        String.raw`rtl:**:[.rdp-button\\_next>svg]:rotate-180`,\n        String.raw`rtl:**:[.rdp-button\\_previous>svg]:rotate-180`,\n        className\n      )}\n      captionLayout={captionLayout}\n      formatters={{\n        // The abbreviation must respect the locale prop (2026-07-11 audit R68).\n        // The fallback is \"en-US\", NOT \"default\": \"default\" reads the system\n        // locale, so with no locale prop the month names came out in the\n        // language of whatever MACHINE ran the render. On a Turkish Windows box\n        // the SSR HTML said \"Oca Sub Mar\" while the same code on Vercel said\n        // \"Jan Feb Mar\" (measured 2026-08-05). \"en-US\" also matches\n        // react-day-picker's own default locale, so the dropdown and the\n        // weekday row now agree.\n        formatMonthDropdown: (date) =>\n          date.toLocaleString(props.locale?.code ?? \"en-US\", { month: \"short\" }),\n        ...formatters,\n      }}\n      classNames={{\n        root: cn(\"w-fit\", defaultClassNames.root),\n        months: cn(\n          \"relative flex flex-col gap-4 md:flex-row\",\n          defaultClassNames.months\n        ),\n        month: cn(\"flex w-full flex-col gap-4\", defaultClassNames.month),\n        nav: cn(\n          \"absolute inset-x-0 top-0 flex w-full items-center justify-between gap-1\",\n          defaultClassNames.nav\n        ),\n        button_previous: cn(\n          buttonVariants({ variant: buttonVariant }),\n          \"size-(--cell-size) select-none p-0 aria-disabled:opacity-50\",\n          defaultClassNames.button_previous\n        ),\n        button_next: cn(\n          buttonVariants({ variant: buttonVariant }),\n          \"size-(--cell-size) select-none p-0 aria-disabled:opacity-50\",\n          defaultClassNames.button_next\n        ),\n        month_caption: cn(\n          \"flex min-h-(--cell-size) w-full items-center justify-center px-(--cell-size) [&>*]:min-w-0\",\n          defaultClassNames.month_caption\n        ),\n        dropdowns: cn(\n          \"flex h-(--cell-size) w-full items-center justify-center gap-1.5 text-sm font-medium\",\n          defaultClassNames.dropdowns\n        ),\n        dropdown_root: cn(\n          \"relative rounded-md border border-field-border shadow-xs has-focus:border-ring has-focus:ring-[3px] has-focus:ring-ring/50\",\n          defaultClassNames.dropdown_root\n        ),\n        dropdown: cn(\n          \"absolute inset-0 bg-popover opacity-0\",\n          defaultClassNames.dropdown\n        ),\n        caption_label: cn(\n          \"select-none font-medium [overflow-wrap:anywhere]\",\n          captionLayout === \"label\"\n            ? \"text-sm\"\n            : \"flex min-h-8 items-center gap-1 rounded-md ps-2 pe-1 text-sm [&>svg]:size-3.5 [&>svg]:text-muted-foreground\",\n          defaultClassNames.caption_label\n        ),\n        month_grid: cn(\"w-full border-collapse\", defaultClassNames.month_grid),\n        weekdays: cn(\"flex\", defaultClassNames.weekdays),\n        weekday: cn(\n          \"flex-1 select-none rounded-md text-[0.8rem] font-normal text-muted-foreground\",\n          defaultClassNames.weekday\n        ),\n        week: cn(\"mt-2 flex w-full\", defaultClassNames.week),\n        week_number_header: cn(\n          \"w-(--cell-size) select-none\",\n          defaultClassNames.week_number_header\n        ),\n        week_number: cn(\n          \"select-none text-[0.8rem] text-muted-foreground\",\n          defaultClassNames.week_number\n        ),\n        day: cn(\n          \"group/day relative aspect-square h-full w-full select-none p-0 text-center [&:last-child[data-selected=true]_button]:rounded-r-md\",\n          props.showWeekNumber\n            ? \"[&:nth-child(2)[data-selected=true]_button]:rounded-l-md\"\n            : \"[&:first-child[data-selected=true]_button]:rounded-l-md\",\n          defaultClassNames.day\n        ),\n        range_start: cn(\"rounded-l-md bg-accent\", defaultClassNames.range_start),\n        range_middle: cn(\"rounded-none\", defaultClassNames.range_middle),\n        range_end: cn(\"rounded-r-md bg-accent\", defaultClassNames.range_end),\n        today: cn(\n          \"rounded-md bg-accent text-accent-foreground data-[selected=true]:rounded-none\",\n          defaultClassNames.today\n        ),\n        outside: cn(\n          \"text-muted-foreground aria-selected:text-muted-foreground\",\n          defaultClassNames.outside\n        ),\n        disabled: cn(\n          \"text-muted-foreground opacity-50\",\n          defaultClassNames.disabled\n        ),\n        hidden: cn(\"invisible\", defaultClassNames.hidden),\n        ...classNames,\n      }}\n      components={{\n        Root: ({ className, rootRef, ...props }) => {\n          return (\n            <div\n              data-slot=\"calendar\"\n              ref={rootRef}\n              className={cn(className)}\n              {...props}\n            />\n          )\n        },\n        Chevron: ({ className, orientation, ...props }) => {\n          if (orientation === \"left\") {\n            return (\n              <ChevronLeftIcon className={cn(\"size-4\", className)} {...props} />\n            )\n          }\n\n          if (orientation === \"right\") {\n            return (\n              <ChevronRightIcon className={cn(\"size-4\", className)} {...props} />\n            )\n          }\n\n          return (\n            <ChevronDownIcon className={cn(\"size-4\", className)} {...props} />\n          )\n        },\n        DayButton: CalendarDayButton,\n        WeekNumber: ({ children, ...props }) => {\n          return (\n            <td {...props}>\n              <div className=\"flex size-(--cell-size) items-center justify-center text-center\">\n                {children}\n              </div>\n            </td>\n          )\n        },\n        ...components,\n      }}\n      {...props}\n    />\n  )\n}\n\nfunction CalendarDayButton({\n  className,\n  day,\n  modifiers,\n  ...props\n}: React.ComponentProps<typeof DayButton>) {\n  const defaultClassNames = getDefaultClassNames()\n\n  const ref = React.useRef<HTMLButtonElement>(null)\n  React.useEffect(() => {\n    if (modifiers.focused) ref.current?.focus()\n  }, [modifiers.focused])\n\n  return (\n    <Button\n      ref={ref}\n      variant=\"ghost\"\n      size=\"icon\"\n      data-day={day.date.toLocaleDateString()}\n      data-selected-single={\n        modifiers.selected &&\n        !modifiers.range_start &&\n        !modifiers.range_end &&\n        !modifiers.range_middle\n      }\n      data-range-start={modifiers.range_start}\n      data-range-end={modifiers.range_end}\n      data-range-middle={modifiers.range_middle}\n      className={cn(\n        \"flex aspect-square size-auto w-full min-w-(--cell-size) flex-col gap-1 font-normal leading-none group-data-[focused=true]/day:relative group-data-[focused=true]/day:z-10 group-data-[focused=true]/day:border-ring group-data-[focused=true]/day:ring-[3px] group-data-[focused=true]/day:ring-ring/50 data-[range-end=true]:rounded-md data-[range-end=true]:rounded-r-md data-[range-end=true]:bg-primary data-[range-end=true]:text-primary-foreground data-[range-middle=true]:rounded-none data-[range-middle=true]:bg-accent data-[range-middle=true]:text-accent-foreground data-[range-start=true]:rounded-md data-[range-start=true]:rounded-l-md data-[range-start=true]:bg-primary data-[range-start=true]:text-primary-foreground data-[selected-single=true]:bg-primary data-[selected-single=true]:text-primary-foreground dark:hover:text-accent-foreground [&>span]:text-xs [&>span]:opacity-70\",\n        defaultClassNames.day,\n        className\n      )}\n      {...props}\n    />\n  )\n}\n\nexport { Calendar, CalendarDayButton }\n",
      "type": "registry:ui"
    }
  ],
  "docs": "Pass mode single/multiple/range with selected + onSelect. captionLayout=dropdown adds month/year dropdowns. For a popover-triggered field use DatePicker.",
  "categories": [
    "form"
  ],
  "type": "registry:ui"
}