LanguageSelect

Pick a language. Each one also shows its own name, so people can find theirs.

SourcePackage @weft-js/warp

Preview

tsx

import { LanguageSelect } from '@weft-js/warp'export function Basic() {  return (    <LanguageSelect label="Language" preferred={NEAR_LANGUAGES} defaultValue="ja" />  )}const NEAR_LANGUAGES = ['en', 'de', 'ja']

Installation

npm install @weft-js/warp

Usage

tsx

import { LanguageSelect } from '@weft-js/warp'<LanguageSelect label="Language" preferred={NEAR_LANGUAGES} defaultValue="ja" />

Only some languages

options limits the list to the codes you support, regional ones like pt-BR included.

tsx

import { LanguageSelect } from '@weft-js/warp'export function Limited() {  return (    <LanguageSelect label="Docs language" options={['en', 'de', 'ja', 'pt-BR']} defaultValue="pt-BR" hint="We translate the docs into these four." />  )}

Names in another language

locale names the languages in German here. endonyms={false} leaves out each language's own name.

tsx

import { LanguageSelect, Stack } from '@weft-js/warp'export function Locale() {  return (    <Stack gap="group">      <LanguageSelect label="Sprache" locale="de" preferred={NEAR_LANGUAGES} defaultValue="ja" />      <LanguageSelect label="Language" preferred={NEAR_LANGUAGES} defaultValue="ja" endonyms={false} />    </Stack>  )}const NEAR_LANGUAGES = ['en', 'de', 'ja']

States

Read-only also needs open={false}, which keeps the list shut.

tsx

import { Grid, LanguageSelect, Stack, Text } from '@weft-js/warp'export function States() {  return (    <Grid cols={3} gap="group">      <Cell name="Empty"><LanguageSelect label="Language" /></Cell>      <Cell name="Filled"><LanguageSelect label="Language" defaultValue="de" /></Cell>      <Cell name="Hint"><LanguageSelect label="Language" hint="Used in emails and on invoices." /></Cell>      <Cell name="Invalid"><LanguageSelect label="Language" error="Choose a language." /></Cell>      <Cell name="Disabled"><LanguageSelect label="Language" defaultValue="de" disabled /></Cell>      <Cell name="Read-only"><LanguageSelect label="Language" defaultValue="de" readonly /></Cell>    </Grid>  )}const Cell = (p: { name: string; children?: unknown }) => (  <Stack gap="tight">    <Text role="caption" subtle>{p.name}</Text>    {p.children}  </Stack>)

Preview a notification

The value is a language code, ready for lang and your own translations.

tsx

import { state } from '@weft-js/core'import { Card, LanguageSelect, Stack, Text } from '@weft-js/warp'export function Preview() {  const lang = state<string | null>('de')  return (    <Stack gap="group">      <LanguageSelect label="Email language" options={TRANSLATED} value={lang} />      <Card>        <Stack gap="tight">          <Text role="caption" subtle>Preview</Text>          <Text lang={lang.value ?? 'en'}>{HELLO[lang.value ?? 'en']}</Text>        </Stack>      </Card>    </Stack>  )}const HELLO: Record<string, string> = { en: 'Your deploy finished.', de: 'Dein Deploy ist fertig.', ja: 'デプロイが完了しました。', 'pt-BR': 'Seu deploy terminou.' }const TRANSLATED = Object.keys(HELLO)

Accessibility

EnterSpace: Opens the list
↑↓: Moves through the results
Enter: Picks the highlighted row
Esc: Closes and returns focus

API Reference

Prop	Type	Default	Description
`label`	`string`	—	The visible name, and what screen readers announce.
`hint`	`unknown`	—	A short line of help under the field.
`error`	`unknown`	—	Replaces the hint and marks the field invalid.
`icon`	`IconRef`	—	Leading icon: it sweeps with the border.
`prefix`	`unknown`	—	Text or an element inside the field before the value, such as `$`.
`suffix`	`unknown`	—	Text or an element inside the field after the value, such as `kg`.
`variant`	`"floating" \| "classic"`	—	floating (default, or the app's `warp({ fields })`) · classic: the label above.
`appearance`	`"line"`	—	`line`: only a bottom line under the value, no box or fill. The boxed field otherwise.
`size`	`"sm" \| "md" \| "lg"`	`'md'`	Control size. `md` by default.
`clearable`	`boolean`	`false`	A clear button (shown once there is a value).
`counter`	`number`	—	Maximum length, shown as a counter.
`id`	`string`	—	The element id. One is made for you if you leave it out.
`disabled`	`boolean`	`false`	Can't be focused or changed.
`readonly`	`boolean`	`false`	Shows the value and lets it be selected and copied, but not changed.
`required`	`boolean`	`false`	The form will not submit without it.
`name`	`string`	—	Posts the value with a form.
`locale`	`string`	—	The language names are shown in. Follows the page otherwise.
`today`	`string`	—	Pins "today" (server render, tests); the browser's clock otherwise.
`presentation`	`Presentation`	—	`auto` opens a popover, or a sheet when the viewport is under 600px wide; `popover` and `sheet` force one.
`value`	`string \| State<string \| null> \| null`	—	The code, or a `State` to bind.
`defaultValue`	`string \| null`	—	The first value, when you don't hold it yourself.
`open`	`boolean \| State<boolean>`	—	A state box that holds whether it is open.
`defaultOpen`	`boolean`	`false`	Starts open, when the component keeps its own open state.
`options`	`string[]`	—	Limits the list to these codes.
`preferred`	`string[]`	—	Codes pinned to the top of the list.
`endonyms`	`boolean`	`true`	Shows each language's own name beside it.

Event	Type	Default	Description
`onInput`	`((e: InputEvent & { currentTarget: HTMLInputElement & HTMLTextAreaElemen…`	—	Called on each keystroke.
`onValueChange`	`((v: string \| null, reason: ChangeReason) => void)`	—	Hears the new value and why it changed.
`onOpenChange`	`((o: boolean) => void)`	—	Called with `true` when it opens and `false` when it closes.

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