isNullOrBlank property
bool
isNullOrBlank
Implementation
bool get isNullOrBlank {
if (this == null) return true;
switch (this.runtimeType) {
case String:
return this.trim().isEmpty;
case List:
case Map:
case Set:
case Iterable:
return this.isEmpty;
default:
return this.toString() == 'null' || this.toString().trim().isEmpty;
}
}