const fs = require('fs'); const path = require('path'); const { FluentBundle } = require('fluent'); const localesPath = path.resolve(__dirname, '../public/locales'); const locales = fs.readdirSync(localesPath); function makeBundle(locale) { const bundle = new FluentBundle(locale, { useIsolating: false }); bundle.addMessages( fs.readFileSync(path.resolve(localesPath, locale, 'send.ftl'), 'utf8') ); return [locale, bundle]; } const bundles = new Map(locales.map(makeBundle)); module.exports = function getTranslator(locale) { const defaultBundle = bundles.get('en-US'); const bundle = bundles.get(locale) || defaultBundle; return function(id, data) { if (bundle.hasMessage(id)) { return bundle.format(bundle.getMessage(id), data); } return defaultBundle.format(defaultBundle.getMessage(id), data); }; };