Is null or empty - smbc-digital/form-builder GitHub Wiki

Is Null or Empty checks if a value is null or empy e.g foo = "" and true returns true while foo="pears" and false returns fals The condition syntax is:

New Syntax

{
    "conditionType": "IsNullOrEmpty",
    "comparisonValue": true,
    "questionID" : "favorouriteFruit"
}

for "" this gives true for "apples" this gives false

New Syntax

{
    "conditionType": "IsNullOrEmpty",
    "comparisonValue": false,
    "questionID" : "favorouriteFruit"
}

for "" this gives false for "apples" this gives true

Legacy Syntax

{
    "isNullOrEmpty": true,
    "questionID" : "favorouriteFruits"
}
{
    "isNullOrEmpty": false,
    "questionID" : "favorouriteFruits"
}

Legacy syntax is the one working currently