Select

Displays a list of options for the user to pick from—triggered by a button.

Installation

Install the following dependencies:

pnpm add @radix-ui/react-select

Copy and paste the following code into your project.

"use client";

import * as React from "react";
import * as SelectPrimitive from "@radix-ui/react-select";
import { CheckIcon, ChevronDownIcon, ChevronUpIcon } from "lucide-react";

import { cn } from "~/utils/tailwind";

const Select = SelectPrimitive.Root;

const SelectGroup = SelectPrimitive.Group;

const SelectValue = SelectPrimitive.Value;

const SelectTrigger = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.Trigger>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Trigger>
>(({ className, children, ...props }, ref) => (
  <SelectPrimitive.Trigger
    ref={ref}
    className={cn(
      "flex w-full items-center justify-between whitespace-nowrap rounded-2 border border-input bg-transparent px-3 py-2.5 text-3.5 ring-offset-background",
      "placeholder:text-muted-foreground",
      "focus:outline-none focus:ring-1 focus:ring-ring focus:ring-offset-1",
      "disabled:cursor-not-allowed disabled:opacity-50",
      "[&>span]:line-clamp-1 [&>svg]:data-[state=open]:rotate-180",
      className,
    )}
    {...props}
  >
    {children}
    <SelectPrimitive.Icon asChild>
      <ChevronDownIcon
        size={16}
        className="text-muted-foreground duration-150"
      />
    </SelectPrimitive.Icon>
  </SelectPrimitive.Trigger>
));
SelectTrigger.displayName = SelectPrimitive.Trigger.displayName;

const SelectScrollUpButton = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.ScrollUpButton>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.ScrollUpButton>
>(({ className, ...props }, ref) => (
  <SelectPrimitive.ScrollUpButton
    ref={ref}
    className={cn(
      "flex cursor-default items-center justify-center py-1",
      className,
    )}
    {...props}
  >
    <ChevronUpIcon size={16} />
  </SelectPrimitive.ScrollUpButton>
));
SelectScrollUpButton.displayName = SelectPrimitive.ScrollUpButton.displayName;

const SelectScrollDownButton = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.ScrollDownButton>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.ScrollDownButton>
>(({ className, ...props }, ref) => (
  <SelectPrimitive.ScrollDownButton
    ref={ref}
    className={cn(
      "flex cursor-default items-center justify-center py-1",
      className,
    )}
    {...props}
  >
    <ChevronDownIcon size={16} />
  </SelectPrimitive.ScrollDownButton>
));
SelectScrollDownButton.displayName =
  SelectPrimitive.ScrollDownButton.displayName;

const SelectContent = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.Content>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Content>
>(({ className, children, position = "popper", ...props }, ref) => (
  <SelectPrimitive.Portal>
    <SelectPrimitive.Content
      ref={ref}
      className={cn(
        "relative z-50 max-h-96 min-w-32 overflow-hidden rounded-2 border bg-popover text-popover-foreground",
        "data-[state=open]:animate-in data-[state=open]:fade-in-0 data-[state=open]:zoom-in-95",
        "data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95",
        "data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
        position === "popper" &&
          "data-[side=bottom]:translate-y-2 data-[side=left]:-translate-x-2 data-[side=right]:translate-x-2 data-[side=top]:-translate-y-2",
        className,
      )}
      position={position}
      {...props}
    >
      <SelectScrollUpButton />
      <SelectPrimitive.Viewport
        className={cn(
          "p-1",
          position === "popper" &&
            "h-[var(--radix-select-trigger-height)] w-full min-w-[var(--radix-select-trigger-width)]",
        )}
      >
        {children}
      </SelectPrimitive.Viewport>
      <SelectScrollDownButton />
    </SelectPrimitive.Content>
  </SelectPrimitive.Portal>
));
SelectContent.displayName = SelectPrimitive.Content.displayName;

const SelectLabel = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.Label>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Label>
>(({ className, ...props }, ref) => (
  <SelectPrimitive.Label
    ref={ref}
    className={cn("px-2 py-1 text-3.5 font-semibold", className)}
    {...props}
  />
));
SelectLabel.displayName = SelectPrimitive.Label.displayName;

const SelectItem = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.Item>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Item>
>(({ className, children, ...props }, ref) => (
  <SelectPrimitive.Item
    ref={ref}
    className={cn(
      "relative flex w-full cursor-default select-none items-center rounded-1 py-1.5 pl-2 pr-8 text-3.5 outline-none",
      "focus:bg-accent focus:text-accent-foreground",
      "data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
      className,
    )}
    {...props}
  >
    <span className="absolute right-2 flex size-3.5 items-center justify-center">
      <SelectPrimitive.ItemIndicator>
        <CheckIcon size={16} />
      </SelectPrimitive.ItemIndicator>
    </span>

    <SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
  </SelectPrimitive.Item>
));
SelectItem.displayName = SelectPrimitive.Item.displayName;

const SelectSeparator = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.Separator>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Separator>
>(({ className, ...props }, ref) => (
  <SelectPrimitive.Separator
    ref={ref}
    className={cn("-mx-1 my-1 h-px bg-muted", className)}
    {...props}
  />
));
SelectSeparator.displayName = SelectPrimitive.Separator.displayName;

export {
  Select,
  SelectGroup,
  SelectValue,
  SelectTrigger,
  SelectContent,
  SelectLabel,
  SelectItem,
  SelectSeparator,
  SelectScrollUpButton,
  SelectScrollDownButton,
};

Update the import paths to match your project setup.

Usage

import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "~/components/ui/Select";
<Select>
  <SelectTrigger className="w-[180px]">
    <SelectValue placeholder="Theme" />
  </SelectTrigger>
  <SelectContent>
    <SelectItem value="light">Light</SelectItem>
    <SelectItem value="dark">Dark</SelectItem>
    <SelectItem value="system">System</SelectItem>
  </SelectContent>
</Select>

Examples

Scrollable