shadcn ui calendar custom year and month dropdown

calendar.tsx

"use client"

import * as React from "react"
import { buttonVariants } from "@/components/ui/button"
import { ScrollArea } from "@/components/ui/scroll-area"
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
import { cn } from "@/lib/utils"
import { ChevronLeft, ChevronRight } from "lucide-react"
import { DayPicker, DropdownProps } from "react-day-picker"

export type CalendarProps = React.ComponentProps<typeof DayPicker>

function Calendar({ className, classNames, showOutsideDays = true, ...props }: CalendarProps) {
  return (
    <DayPicker
      showOutsideDays={showOutsideDays}
      className={cn("p-3", className)}
      classNames={{
        months: "flex flex-col sm:flex-row space-y-4 sm:space-x-4 sm:space-y-0",
        month: "space-y-4",
        caption: "flex justify-center pt-1 relative items-center",
        caption_label: "text-sm font-medium",
        caption_dropdowns: "flex justify-center gap-1",
        nav: "space-x-1 flex items-center",
        nav_button: cn(
          buttonVariants({ variant: "outline" }),
          "h-7 w-7 bg-transparent p-0 opacity-50 hover:opacity-100"
        ),
        nav_button_previous: "absolute left-1",
        nav_button_next: "absolute right-1",
        table: "w-full border-collapse space-y-1",
        head_row: "flex",
        head_cell: "text-muted-foreground rounded-md w-9 font-normal text-[0.8rem]",
        row: "flex w-full mt-2",
        cell: "text-center text-sm p-0 relative [&:has([aria-selected])]:bg-accent first:[&:has([aria-selected])]:rounded-l-md last:[&:has([aria-selected])]:rounded-r-md focus-within:relative focus-within:z-20",
        day: cn(buttonVariants({ variant: "ghost" }), "h-9 w-9 p-0 font-normal aria-selected:opacity-100"),
        day_selected:
          "bg-primary text-primary-foreground hover:bg-primary hover:text-primary-foreground focus:bg-primary focus:text-primary-foreground",
        day_today: "bg-accent text-accent-foreground",
        day_outside: "text-muted-foreground opacity-50",
        day_disabled: "text-muted-foreground opacity-50",
        day_range_middle: "aria-selected:bg-accent aria-selected:text-accent-foreground",
        day_hidden: "invisible",
        ...classNames,
      }}
      components={{
        Dropdown: ({ value, onChange, children, ...props }: DropdownProps) => {
          const options = React.Children.toArray(children) as React.ReactElement<React.HTMLProps<HTMLOptionElement>>[]
          const selected = options.find((child) => child.props.value === value)
          const handleChange = (value: string) => {
            const changeEvent = {
              target: { value },
            } as React.ChangeEvent<HTMLSelectElement>
            onChange?.(changeEvent)
          }
          return (
            <Select
              value={value?.toString()}
              onValueChange={(value) => {
                handleChange(value)
              }}
            >
              <SelectTrigger className="pr-1.5 focus:ring-0">
                <SelectValue>{selected?.props?.children}</SelectValue>
              </SelectTrigger>
              <SelectContent position="popper">
                <ScrollArea className="h-80">
                  {options.map((option, id: number) => (
                    <SelectItem key={`${option.props.value}-${id}`} value={option.props.value?.toString() ?? ""}>
                      {option.props.children}
                    </SelectItem>
                  ))}
                </ScrollArea>
              </SelectContent>
            </Select>
          )
        },
        IconLeft: ({ ...props }) => <ChevronLeft className="h-4 w-4" />,
        IconRight: ({ ...props }) => <ChevronRight className="h-4 w-4" />,
      }}
      {...props}
    />
  )
}
Calendar.displayName = "Calendar"

export { Calendar }

globals.css

/* add this snippet in your globals.css file */

.rdp-vhidden {
  @apply hidden;
}

sample-date-picker.tsx

"use client"

import * as React from "react"
import { Button } from "@/components/ui/button"
import { Calendar } from "@/components/ui/calendar"
import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover"
import { cn } from "@/lib/utils"
import { format } from "date-fns"
import { CalendarIcon } from "lucide-react"

export function SampleDatePicker() {
  const [date, setDate] = React.useState<Date>()

  return (
    <Popover>
      <PopoverTrigger asChild>
        <Button
          variant={"outline"}
          className={cn("w-[240px] justify-start text-left font-normal", !date && "text-muted-foreground")}
        >
          <CalendarIcon className="mr-2 h-4 w-4" />
          {date ? format(date, "PPP") : <span>Pick a date</span>}
        </Button>
      </PopoverTrigger>
      <PopoverContent align="start" className=" w-auto p-0">
        <Calendar
          mode="single"
          captionLayout="dropdown-buttons"
          selected={date}
          onSelect={setDate}
          fromYear={1960}
          toYear={2030}
        />
      </PopoverContent>
    </Popover>
  )
}