# svelte-i18n > Internationalization for svelte **Work-in-progress** ## Usage ### On the `store` ```js import i18n from 'svelte-i18n' import { Store } from 'svelte/store' /** i18n(svelteStore, { dictionary }) */ const store = i18n(new Store(), { dictionary: { 'pt-BR': { message: 'Mensagem', messages: { alert: 'Alerta', error: 'Erro', }, }, 'en-US': { message: 'Message', messages: { alert: 'Alert', error: 'Error', }, }, }, }) /** * Extend the initial dictionary. * Dictionaries are deeply merged. * */ store.i18n.extendDictionary({ 'pt-BR': { messages: { warn: 'Aviso', success: 'Sucesso', }, }, 'en-US': { messages: { warn: 'Warn', success: 'Success', }, }, }) /** Set the initial locale */ store.i18n.setLocale('en-US') ``` ### On `templates` ```html
{$_('message')}: {$_.upper('messages.success'))}
``` Renders: ```html Message: SUCCESS ```