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Maurice
8f02337d45
TREK's codes 'br' (Brazilian Portuguese) and 'gr' (Greek) went straight into <html lang> and into ten Intl calls. 'br' is Breton, so Brazilian users got Breton month names and screen readers announced the page as Breton; 'gr' is no language at all, so Greek users got the default locale. getIntlLanguage maps both, and every one of those sites goes through it.
60 lines
2.6 KiB
TypeScript
60 lines
2.6 KiB
TypeScript
export const SUPPORTED_LANGUAGES = [
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{ value: 'de', label: 'Deutsch', locale: 'de-DE' },
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{ value: 'en', label: 'English', locale: 'en-US' },
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{ value: 'es', label: 'Español', locale: 'es-ES' },
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{ value: 'et', label: 'Eesti', locale: 'et-EE' },
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{ value: 'fr', label: 'Français', locale: 'fr-FR' },
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{ value: 'hu', label: 'Magyar', locale: 'hu-HU' },
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{ value: 'nl', label: 'Nederlands', locale: 'nl-NL' },
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{ value: 'br', label: 'Português (Brasil)', locale: 'pt-BR' },
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{ value: 'cs', label: 'Česky', locale: 'cs-CZ' },
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{ value: 'sk', label: 'Slovenčina', locale: 'sk-SK' },
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{ value: 'pl', label: 'Polski', locale: 'pl-PL' },
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{ value: 'ru', label: 'Русский', locale: 'ru-RU' },
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{ value: 'zh', label: '简体中文', locale: 'zh-CN' },
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{ value: 'zh-TW', label: '繁體中文', locale: 'zh-TW' },
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{ value: 'it', label: 'Italiano', locale: 'it-IT' },
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{ value: 'tr', label: 'Türkçe', locale: 'tr-TR' },
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{ value: 'ar', label: 'العربية', locale: 'ar-SA' },
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{ value: 'az', label: 'Azərbaycanca', locale: 'az-AZ' },
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{ value: 'id', label: 'Bahasa Indonesia', locale: 'id-ID' },
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{ value: 'ja', label: '日本語', locale: 'ja-JP' },
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{ value: 'ko', label: '한국어', locale: 'ko-KR' },
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{ value: 'th', label: 'ไทย', locale: 'th-TH' },
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{ value: 'uk', label: 'Українська', locale: 'uk-UA' },
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{ value: 'gr', label: 'Ελληνικά', locale: 'el-GR' },
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{ value: 'sv', label: 'Svenska', locale: 'sv-SE' },
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{ value: 'vi', label: 'Tiếng Việt', locale: 'vi-VN' },
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{ value: 'ca', label: 'Català', locale: 'ca-ES' },
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] as const;
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export type SupportedLanguageCode = (typeof SUPPORTED_LANGUAGES)[number]['value'];
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export const SUPPORTED_LANGUAGE_CODES: string[] = SUPPORTED_LANGUAGES.map((l) => l.value);
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const LOCALES: Partial<Record<string, string>> = Object.fromEntries(
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SUPPORTED_LANGUAGES.map((l) => [l.value, l.locale]),
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);
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// Languages displayed right-to-left.
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const RTL_LANGUAGES = new Set<string>(['ar']);
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export function getLocaleForLanguage(language: string): string {
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return LOCALES[language] ?? LOCALES['en'] ?? 'en-US';
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}
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// Two codes TREK uses are not the BCP-47 tag of their language: 'br' is Breton
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// and 'gr' is no language at all.
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const INTL_LANGUAGE: Partial<Record<string, string>> = { br: 'pt-BR', gr: 'el' };
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// Returns a BCP-47 tag suitable for Intl APIs and the document's lang attribute.
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export function getIntlLanguage(language: string): string {
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const tag = INTL_LANGUAGE[language];
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if (tag) return tag;
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return SUPPORTED_LANGUAGE_CODES.includes(language) ? language : 'en';
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}
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export function isRtlLanguage(language: string): boolean {
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return RTL_LANGUAGES.has(language);
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}
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