shadcn-ui/apps/v4/examples/base/comboxbox-input-addon.tsx

import {
  Combobox,
  ComboboxCollection,
  ComboboxContent,
  ComboboxEmpty,
  ComboboxGroup,
  ComboboxInput,
  ComboboxItem,
  ComboboxLabel,
  ComboboxList,
} from "@/examples/base/ui/combobox"
import { Input } from "@/examples/base/ui/input"
import { InputGroup, InputGroupAddon } from "@/examples/base/ui/input-group"
import { Select } from "@/examples/base/ui/select"
import { GlobeIcon } from "lucide-react"

const timezones = [
  {
    value: "Americas",
    items: [
      "(GMT-5) New York",
      "(GMT-8) Los Angeles",
      "(GMT-6) Chicago",
      "(GMT-5) Toronto",
      "(GMT-8) Vancouver",
      "(GMT-3) São Paulo",
    ],
  },
  {
    value: "Europe",
    items: [
      "(GMT+0) London",
      "(GMT+1) Paris",
      "(GMT+1) Berlin",
      "(GMT+1) Rome",
      "(GMT+1) Madrid",
      "(GMT+1) Amsterdam",
    ],
  },
  {
    value: "Asia/Pacific",
    items: [
      "(GMT+9) Tokyo",
      "(GMT+8) Shanghai",
      "(GMT+8) Singapore",
      "(GMT+4) Dubai",
      "(GMT+11) Sydney",
      "(GMT+9) Seoul",
    ],
  },
] as const

const items = [
  {
    label: "Select a framework",
    value: null,
  },
  {
    label: "React",
    value: "react",
  },
  {
    label: "Vue",
    value: "vue",
  },
  {
    label: "Angular",
    value: "angular",
  },
  {
    label: "Svelte",
    value: "svelte",
  },
  {
    label: "Solid",
    value: "solid",
  },
  {
    label: "Preact",
    value: "preact",
  },
  {
    label: "Next.js",
    value: "next.js",
  },
]

export function ComboxboxInputAddon() {
  return (
    <Combobox items={timezones}>
      <ComboboxInput placeholder="Select a timezone">
        <InputGroupAddon>
          <GlobeIcon />
        </InputGroupAddon>
      </ComboboxInput>
      <ComboboxContent alignOffset={-28} className="w-60">
        <ComboboxEmpty>No timezones found.</ComboboxEmpty>
        <ComboboxList>
          {(group) => (
            <ComboboxGroup key={group.value} items={group.items}>
              <ComboboxLabel>{group.value}</ComboboxLabel>
              <ComboboxCollection>
                {(item) => (
                  <ComboboxItem key={item} value={item}>
                    {item}
                  </ComboboxItem>
                )}
              </ComboboxCollection>
            </ComboboxGroup>
          )}
        </ComboboxList>
      </ComboboxContent>
    </Combobox>
  )
}