toJSON method
Convert this NumberFilter to JSON
Implementation
@override
Map<String, dynamic> toJSON() {
Map<String, T?> json = {};
if (equal != null) {
json[FilterField.equal] = equal;
}
if (notEqual != null) {
json[FilterField.notEqual] = notEqual;
}
if (lessEqual != null) {
json[FilterField.lessEqual] = lessEqual;
}
if (less != null) {
json[FilterField.less] = less;
}
if (greaterEqual != null) {
json[FilterField.greaterEqual] = greaterEqual;
}
if (greater != null) {
json[FilterField.greater] = greater;
}
return json;
}