class Utils { getDate() { return new Date().toString(); } format(template, ...values) { return template.replace(/%(\d+)/g, (match, index) => { const value = values[Number(index) - 1]; return value === undefined ? match : value; }); } escapeHtml(text) { const entities = {"&": "&", "<": "<", ">": ">", "\"": """, "'": "'"}; return text.replace(/[&<>"']/g, (char) => entities[char]); } } module.exports = Utils;