Andrei
c1e37d30b0
Implemented comprehensive frontend localization infrastructure supporting 5 languages (English, Spanish, French, Portuguese, Chinese) with measurement unit preferences (Metric/Imperial). This lays the foundation for international user support. **Core Infrastructure:** - Installed i18next, react-i18next, i18next-browser-languagedetector - Created I18nProvider component integrated into app layout - Configured i18next with language detection and localStorage persistence - Created 35 translation files (5 languages × 7 namespaces) **Translation Namespaces:** - common: App-wide UI elements, navigation, actions - tracking: Activity tracking (feeding, sleep, diaper, milestones) - ai: AI assistant chat interface - auth: Authentication flows (login, signup, password reset) - settings: Settings and preferences - onboarding: Onboarding flow - errors: Error messages and validation **Custom Hooks:** - useTranslation: Type-safe translation wrapper - useLocale: Language and measurement system management - useFormatting: Date, time, number, and unit formatting **Measurement Unit Support:** - Created unit conversion utilities (weight, height, temperature, volume) - Metric: kg, cm, °C, ml - Imperial: lb, in, °F, oz - Bidirectional conversion functions **UI Components:** - LanguageSelector: Dropdown to change app language - MeasurementUnitSelector: Toggle between Metric/Imperial - Integrated both into Settings page Preferences section **Next Steps (Remaining):** - Add measurement preferences to backend user schema - Create onboarding flow with language/measurement selection - Apply translations to existing components (dashboard, tracking forms) - Implement multi-language AI responses - Add professional translations (currently using basic translations) **File Highlights:** - lib/i18n/config.ts: i18next configuration - hooks/useFormatting.ts: Formatting utilities with locale support - lib/utils/unitConversion.ts: Unit conversion logic - components/settings/*Selector.tsx: Language and measurement selectors - locales/*/: Translation files for 5 languages 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
126 lines
3.6 KiB
TypeScript
126 lines
3.6 KiB
TypeScript
import i18n from 'i18next';
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import { initReactI18next } from 'react-i18next';
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import LanguageDetector from 'i18next-browser-languagedetector';
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// Import translation files
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import enCommon from '@/locales/en/common.json';
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import enTracking from '@/locales/en/tracking.json';
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import enAi from '@/locales/en/ai.json';
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import enAuth from '@/locales/en/auth.json';
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import enSettings from '@/locales/en/settings.json';
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import enOnboarding from '@/locales/en/onboarding.json';
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import enErrors from '@/locales/en/errors.json';
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import esCommon from '@/locales/es/common.json';
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import esTracking from '@/locales/es/tracking.json';
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import esAi from '@/locales/es/ai.json';
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import esAuth from '@/locales/es/auth.json';
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import esSettings from '@/locales/es/settings.json';
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import esOnboarding from '@/locales/es/onboarding.json';
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import esErrors from '@/locales/es/errors.json';
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import frCommon from '@/locales/fr/common.json';
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import frTracking from '@/locales/fr/tracking.json';
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import frAi from '@/locales/fr/ai.json';
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import frAuth from '@/locales/fr/auth.json';
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import frSettings from '@/locales/fr/settings.json';
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import frOnboarding from '@/locales/fr/onboarding.json';
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import frErrors from '@/locales/fr/errors.json';
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import ptCommon from '@/locales/pt/common.json';
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import ptTracking from '@/locales/pt/tracking.json';
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import ptAi from '@/locales/pt/ai.json';
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import ptAuth from '@/locales/pt/auth.json';
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import ptSettings from '@/locales/pt/settings.json';
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import ptOnboarding from '@/locales/pt/onboarding.json';
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import ptErrors from '@/locales/pt/errors.json';
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import zhCommon from '@/locales/zh/common.json';
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import zhTracking from '@/locales/zh/tracking.json';
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import zhAi from '@/locales/zh/ai.json';
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import zhAuth from '@/locales/zh/auth.json';
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import zhSettings from '@/locales/zh/settings.json';
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import zhOnboarding from '@/locales/zh/onboarding.json';
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import zhErrors from '@/locales/zh/errors.json';
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export const resources = {
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en: {
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common: enCommon,
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tracking: enTracking,
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ai: enAi,
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auth: enAuth,
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settings: enSettings,
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onboarding: enOnboarding,
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errors: enErrors,
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},
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es: {
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common: esCommon,
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tracking: esTracking,
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ai: esAi,
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auth: esAuth,
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settings: esSettings,
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onboarding: esOnboarding,
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errors: esErrors,
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},
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fr: {
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common: frCommon,
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tracking: frTracking,
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ai: frAi,
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auth: frAuth,
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settings: frSettings,
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onboarding: frOnboarding,
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errors: frErrors,
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},
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pt: {
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common: ptCommon,
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tracking: ptTracking,
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ai: ptAi,
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auth: ptAuth,
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settings: ptSettings,
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onboarding: ptOnboarding,
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errors: ptErrors,
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},
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zh: {
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common: zhCommon,
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tracking: zhTracking,
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ai: zhAi,
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auth: zhAuth,
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settings: zhSettings,
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onboarding: zhOnboarding,
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errors: zhErrors,
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},
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} as const;
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export const defaultNS = 'common';
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export const supportedLanguages = [
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{ code: 'en', name: 'English', nativeName: 'English' },
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{ code: 'es', name: 'Spanish', nativeName: 'Español' },
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{ code: 'fr', name: 'French', nativeName: 'Français' },
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{ code: 'pt', name: 'Portuguese', nativeName: 'Português' },
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{ code: 'zh', name: 'Chinese', nativeName: '中文' },
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] as const;
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i18n
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.use(LanguageDetector)
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.use(initReactI18next)
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.init({
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resources,
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defaultNS,
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fallbackLng: 'en',
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supportedLngs: ['en', 'es', 'fr', 'pt', 'zh'],
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interpolation: {
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escapeValue: false, // React already escapes values
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},
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detection: {
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order: ['localStorage', 'navigator'],
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caches: ['localStorage'],
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lookupLocalStorage: 'i18nextLng',
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},
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react: {
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useSuspense: false, // Disable suspense for SSR compatibility
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},
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});
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export default i18n;
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