with this code i manage input field value on plus and minus quantity. how i can short this code with javascript or jquery ?

//manage quantity
    $(document).on('click', '.manage-quantity', function(e) {
        let type = $(this).val();
        let quantity = $('.quantity-field').val();
        if (type == '+') {
            quantity = parseInt(quantity) + 1
        }
        if (type == '-') {
            quantity = parseInt(quantity) - 1
        }
        $('.quantity-field').val((quantity > 1) ? quantity : 1);
    });