109 lines
3.2 KiB
TypeScript
109 lines
3.2 KiB
TypeScript
export type Locale = 'en' | 'de' | 'fr' | 'zh-CN' | 'zh-TW' | 'uk' | 'es' | 'pt-BR' | 'ko' | 'pl' | 'ja';
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export const LOCALES = ['en', 'de', 'fr', 'zh-CN', 'zh-TW', 'uk', 'es', 'pt-BR', 'ko', 'pl', 'ja'] as const satisfies readonly Locale[];
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export const DEFAULT_LOCALE: Locale = 'en';
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export const LOCALE_LABEL_KEYS: Record<Locale, 'common.language.english' | 'common.language.french' | 'common.language.simplifiedChinese' | 'common.language.traditionalChinese' | 'common.language.ukrainian' | 'common.language.spanish' | 'common.language.brazilianPortuguese' | 'common.language.korean' | 'common.language.polish' | 'common.language.german' | 'common.language.japanese'> = {
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en: 'common.language.english',
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fr: 'common.language.french',
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'zh-CN': 'common.language.simplifiedChinese',
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'zh-TW': 'common.language.traditionalChinese',
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uk: 'common.language.ukrainian',
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es: 'common.language.spanish',
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'pt-BR': 'common.language.brazilianPortuguese',
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ko: 'common.language.korean',
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pl: 'common.language.polish',
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de: 'common.language.german',
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ja: 'common.language.japanese',
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};
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export const LOCALE_STORAGE_KEY = 'openchamber.i18n.v1';
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type StoredLocale = {
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locale?: unknown;
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};
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export function normalizeLocale(value: string | undefined | null): Locale {
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if (!value) {
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return DEFAULT_LOCALE;
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}
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const normalized = value.toLowerCase().replace(/_/g, '-');
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if (normalized === 'zh-cn' || normalized === 'zh-hans' || normalized.startsWith('zh-hans-')) {
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return 'zh-CN';
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}
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if (normalized === 'zh-tw' || normalized === 'zh-hant' || normalized.startsWith('zh-hant-')) {
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return 'zh-TW';
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}
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if (normalized.startsWith('zh')) {
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return 'zh-CN';
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}
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if (normalized.startsWith('en')) {
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return 'en';
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}
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if (normalized === 'fr' || normalized.startsWith('fr-')) {
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return 'fr';
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}
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if (normalized === 'uk' || normalized.startsWith('uk-') || normalized === 'ua' || normalized.startsWith('ua-')) {
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return 'uk';
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}
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if (normalized === 'es' || normalized.startsWith('es-')) {
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return 'es';
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}
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if (normalized === 'pt' || normalized === 'pt-br' || normalized.startsWith('pt-br-')) {
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return 'pt-BR';
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}
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if (normalized === 'ko' || normalized.startsWith('ko-')) {
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return 'ko';
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}
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if (normalized === 'ja' || normalized.startsWith('ja-')) {
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return 'ja';
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}
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if (normalized === 'de' || normalized.startsWith('de-')) {
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return 'de';
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}
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if (normalized === 'pl' || normalized.startsWith('pl-')) {
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return 'pl';
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}
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return DEFAULT_LOCALE;
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}
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function readStoredLocale(): Locale | undefined {
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if (typeof window === 'undefined') {
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return undefined;
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}
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try {
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const raw = window.localStorage.getItem(LOCALE_STORAGE_KEY);
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if (!raw) {
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return undefined;
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}
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const parsed = JSON.parse(raw) as StoredLocale;
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return typeof parsed.locale === 'string' ? normalizeLocale(parsed.locale) : undefined;
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} catch {
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return undefined;
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}
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}
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export function writeStoredLocale(locale: Locale): void {
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if (typeof window === 'undefined') {
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return;
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}
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try {
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window.localStorage.setItem(LOCALE_STORAGE_KEY, JSON.stringify({ locale }));
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} catch {
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return;
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}
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}
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export function detectInitialLocale(): Locale {
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const stored = readStoredLocale();
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if (stored) {
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return stored;
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}
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return DEFAULT_LOCALE;
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}
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