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import { messages as messagesEn } from '@i18n/en/messages.js';
import { messages as messagesFr } from '@i18n/fr/messages.js';
import { i18n, Messages } from '@lingui/core';
import { en, fr } from 'make-plural/plurals';
type Catalog = {
messages: Messages;
};
export const locales = {
en: 'English',
fr: 'Français',
};
export const defaultLocale = 'fr';
/**
* Load the translation with the correct method depending on environment.
*
* @param {string} locale - The current locale.
* @returns {Promise<Messages>} The translated messages.
*/
export async function loadTranslation(locale: string): Promise<Messages> {
let catalog: Catalog;
try {
if (process.env.NODE_ENV === 'production') {
catalog = await import(`src/i18n/${locale}/messages`);
} else {
catalog = await import(`@lingui/loader!src/i18n/${locale}/messages.po`);
}
return catalog.messages;
} catch (error) {
console.error('Error while loading translation.');
throw error;
}
}
/**
* Init lingui.
*
* @param {string} locale - The locale to activate.
* @param {Messages} [messages] - The compiled translation.
*/
export function initLingui(locale: string, messages?: Messages) {
try {
i18n.loadLocaleData({
en: { plurals: en },
fr: { plurals: fr },
});
if (messages) {
i18n.load(locale, messages);
} else {
i18n.load({
en: messagesEn,
fr: messagesFr,
});
}
i18n.activate(locale, Object.keys(locales));
} catch (error) {
console.error('Error while Lingui init.');
throw error;
}
}
/**
* Activate the given locale.
*
* @param {string} locale - The locale to activate.
* @param {Messages} messages - The compiled translation.
*/
export function activateLocale(currentLocale: string, messages: Messages) {
const locale: string = Object.keys(locales).includes(currentLocale)
? currentLocale
: defaultLocale;
try {
initLingui(locale, messages);
} catch (error) {
console.error(`Error while activating ${currentLocale}`);
throw error;
}
}
|
