137 lines
3.6 KiB
TypeScript
137 lines
3.6 KiB
TypeScript
export type SupportedLocale = "ar" | "en" | "es" | "fr" | "ru" | "zh-CN";
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export type AppLanguage = "system" | SupportedLocale;
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export interface LanguageOption {
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value: AppLanguage;
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labelKey: string;
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}
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export const DEFAULT_LOCALE: SupportedLocale = "en";
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export const LANGUAGE_OPTIONS: LanguageOption[] = [
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{ value: "system", labelKey: "settings.general.language.options.system" },
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{ value: "ar", labelKey: "settings.general.language.options.ar" },
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{ value: "en", labelKey: "settings.general.language.options.en" },
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{ value: "es", labelKey: "settings.general.language.options.es" },
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{ value: "fr", labelKey: "settings.general.language.options.fr" },
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{ value: "ru", labelKey: "settings.general.language.options.ru" },
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{ value: "zh-CN", labelKey: "settings.general.language.options.zhCN" },
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];
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const SUPPORTED_LANGUAGES = new Set<AppLanguage>(["system", "ar", "en", "es", "fr", "ru", "zh-CN"]);
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const LANGUAGE_NATIVE_NAMES: Record<SupportedLocale, string> = {
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ar: "العربية",
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en: "English",
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es: "Español",
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fr: "Français",
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ru: "Русский",
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"zh-CN": "简体中文",
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};
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const LANGUAGE_NAMES_BY_LOCALE: Record<SupportedLocale, Record<SupportedLocale, string>> = {
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ar: {
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ar: "العربية",
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en: "الإنجليزية",
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es: "الإسبانية",
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fr: "الفرنسية",
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ru: "الروسية",
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"zh-CN": "الصينية المبسطة",
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},
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en: {
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ar: "Arabic",
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en: "English",
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es: "Spanish",
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fr: "French",
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ru: "Russian",
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"zh-CN": "Simplified Chinese",
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},
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es: {
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ar: "árabe",
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en: "inglés",
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es: "español",
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fr: "francés",
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ru: "ruso",
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"zh-CN": "chino simplificado",
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},
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fr: {
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ar: "arabe",
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en: "anglais",
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es: "espagnol",
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fr: "français",
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ru: "russe",
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"zh-CN": "chinois simplifié",
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},
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ru: {
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ar: "арабский",
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en: "английский",
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es: "испанский",
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fr: "французский",
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ru: "русский",
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"zh-CN": "упрощенный китайский",
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},
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"zh-CN": {
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ar: "阿拉伯语",
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en: "英语",
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es: "西班牙语",
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fr: "法语",
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ru: "俄语",
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"zh-CN": "简体中文",
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},
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};
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export function parseAppLanguage(value: unknown): AppLanguage | null {
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return typeof value === "string" && SUPPORTED_LANGUAGES.has(value as AppLanguage)
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? (value as AppLanguage)
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: null;
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}
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export function formatLanguageOptionLabel(
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option: LanguageOption,
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activeLocale: SupportedLocale,
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systemLabel: string,
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): string {
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if (option.value === "system") {
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return systemLabel;
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}
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const nativeName = LANGUAGE_NATIVE_NAMES[option.value];
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const activeLanguageName = LANGUAGE_NAMES_BY_LOCALE[activeLocale][option.value];
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if (nativeName === activeLanguageName) {
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return nativeName;
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}
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return `${nativeName} - ${activeLanguageName}`;
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}
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export function resolveSupportedLocale(
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language: AppLanguage,
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systemLocales: readonly string[],
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): SupportedLocale {
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if (language !== "system") {
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return language;
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}
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for (const locale of systemLocales) {
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const normalized = locale.toLowerCase();
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if (normalized === "ar" || normalized.startsWith("ar-")) {
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return "ar";
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}
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if (normalized === "en" || normalized.startsWith("en-")) {
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return "en";
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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 === "fr" || normalized.startsWith("fr-")) {
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return "fr";
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}
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if (normalized === "ru" || normalized.startsWith("ru-")) {
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return "ru";
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}
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if (normalized === "zh" || normalized === "zh-cn" || normalized.startsWith("zh-hans")) {
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return "zh-CN";
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}
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}
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return DEFAULT_LOCALE;
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}
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