function mounted(el) { el.addEventListener('keypress', (e) => { e = e || window.event; const charcode = typeof e.charCode === 'number' ? e.charCode : e.keyCode; const re = /^\d+$/; // Use regex to match positive numbers if (!re.test(String.fromCharCode(charcode)) && charcode > 9 && !e.ctrlKey) { if (e.preventDefault) { e.preventDefault(); } else { e.returnValue = false; } } }); } const positiveIntNumberDirective = { mounted }; export default positiveIntNumberDirective;