Code:
Object.assign($.fn.combobox.methods, {
require: function(jq, value) {
return jq.each(function() {
const $combobox = $(this);
value = value === undefined ? true : Boolean(value);
$combobox.combobox('options').required = value;
$combobox.combobox('textbox').validatebox('options').required = value;
$combobox.combobox('validate');
});
},
});