35 lines
860 B
JavaScript
35 lines
860 B
JavaScript
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const fs = require('fs');
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const path = require('path');
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const cache = {};
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function loadLocale(lang) {
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if (cache[lang]) return cache[lang];
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try {
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const filePath = path.join(__dirname, lang + '.json');
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if (fs.existsSync(filePath)) {
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cache[lang] = JSON.parse(fs.readFileSync(filePath, 'utf8'));
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return cache[lang];
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}
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} catch (e) {}
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return loadLocale('nl');
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}
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function t(lang, key, ...args) {
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const dict = loadLocale(lang || 'nl');
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let val = dict[key] || key;
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if (args.length > 0) {
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args.forEach((a, i) => { val = val.replace(`{${i}}`, a); });
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}
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return val;
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}
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function localeMiddleware(req, res, next) {
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const lang = (req.session && req.session.lang) || 'nl';
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res.locals.__ = (key, ...args) => t(lang, key, ...args);
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res.locals.lang = lang;
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next();
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}
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module.exports = { t, loadLocale, localeMiddleware };
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