shadcn/app/registry/default/ui/native-select.tsx

import * as React from "react"
import { ChevronDown } from "lucide-react"

import { cn } from "@/lib/utils"

export interface NativeSelectProps
  extends Omit<React.ComponentProps<"select">, "size"> {
  size?: "sm" | "default"
}

const NativeSelect = React.forwardRef<HTMLSelectElement, NativeSelectProps>(
  ({ className, size = "default", ...props }, ref) => {
    return (
      <div
        className="group/native-select relative w-fit has-[select:disabled]:opacity-50"
        data-slot="native-select-wrapper"
      >
        <select
          ref={ref}
          data-slot="native-select"
          data-size={size}
          className={cn(
            "border-input placeholder:text-muted-foreground selection:bg-primary selection:text-primary-foreground dark:bg-input/30 dark:hover:bg-input/50 h-9 w-full min-w-0 appearance-none rounded-md border bg-transparent px-3 py-2 pr-9 text-sm shadow-xs transition-[color,box-shadow] outline-none disabled:pointer-events-none disabled:cursor-not-allowed data-[size=sm]:h-8 data-[size=sm]:py-1",
            "focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]",
            "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
            className
          )}
          {...props}
        />
        <ChevronDown
          className="text-muted-foreground pointer-events-none absolute top-1/2 right-3.5 size-4 -translate-y-1/2 opacity-50 select-none"
          aria-hidden="true"
          data-slot="native-select-icon"
        />
      </div>
    )
  }
)
NativeSelect.displayName = "NativeSelect"

const NativeSelectOption = React.forwardRef<
  HTMLOptionElement,
  React.ComponentProps<"option">
>(({ ...props }, ref) => (
  <option ref={ref} data-slot="native-select-option" {...props} />
))
NativeSelectOption.displayName = "NativeSelectOption"

const NativeSelectOptGroup = React.forwardRef<
  HTMLOptGroupElement,
  React.ComponentProps<"optgroup">
>(({ className, ...props }, ref) => (
  <optgroup
    ref={ref}
    data-slot="native-select-optgroup"
    className={cn(className)}
    {...props}
  />
))
NativeSelectOptGroup.displayName = "NativeSelectOptGroup"

export { NativeSelect, NativeSelectOptGroup, NativeSelectOption }