enable i18n support for russian-only

src/App.tsx

@@ -15,6 +15,7 @@ import {Login} from './pages/login'
 import {Register} from './pages/register'
 import {ForgotPassword} from './pages/forgotPassword'
 import {authProvider} from './authProvider'
+import {i18nProvider} from './i18nProvider'
 
 import {CountryList, CountryCreate, CountryEdit, CountryShow} from './pages/country'
 import {CityList, CityCreate, CityEdit, CityShow} from './pages/city'
@@ -43,6 +44,7 @@ function App() {
                 notificationProvider={useNotificationProvider}
                 routerProvider={routerBindings}
                 authProvider={authProvider}
+                i18nProvider={i18nProvider}
                 resources={[
                   {
                     name: 'country',

src/i18nProvider.ts

@@ -0,0 +1,24 @@
+import i18n from 'i18next'
+import {initReactI18next} from 'react-i18next'
+import {I18nProvider} from '@refinedev/core'
+
+import translationRU from './locales/ru/translation.json'
+
+i18n.use(initReactI18next).init({
+  resources: {
+    ru: {
+      translation: translationRU,
+    },
+  },
+  lng: 'ru',
+  fallbackLng: 'ru',
+  interpolation: {
+    escapeValue: false,
+  },
+})
+
+export const i18nProvider: I18nProvider = {
+  translate: (key, options) => i18n.t(key, options) as string,
+  changeLocale: (locale: string) => i18n.changeLanguage(locale),
+  getLocale: () => i18n.language,
+}

src/locales/ru/translation.json

@@ -0,0 +1,18 @@
+{
+  "actions": {
+    "create": "Создать",
+    "show": "Просмотр",
+    "edit": "Редактировать",
+    "delete": "Удалить",
+    "save": "Сохранить"
+  },
+  "buttons": {
+    "edit": "Редактировать",
+    "refresh": "Обновить",
+    "delete": "Удалить",
+    "save": "Сохранить",
+    "submit": "Отправить",
+    "create": "Создать",
+    "logout": "Выход"
+  }
+}