toIntOrNull function
Convert any dynamic value to int or null safely.
Implementation
int? toIntOrNull(value) {
if (value == null) return null;
if (value is int) return value;
if (value is double) return value.toInt();
if (value is bool) return value ? 1 : 0;
if (value is String) {
return int.tryParse(value) ?? double.tryParse(value)?.toInt();
}
return null;
}