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74 lines
2.1 KiB
TypeScript
74 lines
2.1 KiB
TypeScript
import { createContext, useContext } from 'react';
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import { en, type TranslationKey, type Translations } from './en';
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import { ru } from './ru';
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export type Locale = 'en' | 'ru';
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const bundles: Record<Locale, Translations> = { en, ru };
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/** Detect locale from Telegram WebApp or browser */
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export function detectLocale(): Locale {
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// Check localStorage first (user override)
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try {
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const saved = localStorage.getItem('autohero_locale');
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if (saved === 'en' || saved === 'ru') return saved;
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} catch { /* ignore */ }
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// Telegram Mini App language
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try {
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const tg = (window as any).Telegram?.WebApp;
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const lang: string | undefined =
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tg?.initDataUnsafe?.user?.language_code ?? tg?.language_code;
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if (lang?.startsWith('ru')) return 'ru';
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} catch { /* ignore */ }
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// Browser language fallback
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const nav = navigator.language ?? (navigator as any).userLanguage ?? '';
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if (nav.startsWith('ru')) return 'ru';
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return 'en';
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}
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// ---- Context ----
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interface I18nValue {
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tr: Translations;
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locale: Locale;
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setLocale: (l: Locale) => void;
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}
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export const I18nContext = createContext<I18nValue>({
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tr: en,
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locale: 'en',
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setLocale: () => {},
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});
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/** Hook: returns the full translation object for the current locale */
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export function useT(): Translations {
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return useContext(I18nContext).tr;
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}
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/** Hook: returns locale + setter for the settings UI */
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export function useLocale(): { locale: Locale; setLocale: (l: Locale) => void } {
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const { locale, setLocale } = useContext(I18nContext);
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return { locale, setLocale };
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}
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/**
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* Interpolate {placeholders} in a translation string.
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* Usage: t(translations.levelUp, { level: 5 }) => "Level up! Now level 5"
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*/
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export function t(template: string, vars?: Record<string, string | number>): string {
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if (!vars) return template;
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return template.replace(/\{(\w+)\}/g, (_, key) =>
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vars[key] != null ? String(vars[key]) : `{${key}}`,
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);
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}
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/** Get translations bundle for a locale */
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export function getTranslations(locale: Locale): Translations {
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return bundles[locale] ?? en;
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}
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export type { TranslationKey, Translations };
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