minValue static method
Validates that a numeric value is greater than a minimum
Example:
Validators.minValue('10', 5);
Implementation
static String? minValue(String? value, num min, {String? message}) {
if (value == null || value.isEmpty) return null;
final numValue = num.tryParse(value);
if (numValue == null || numValue < min) {
return message ?? 'Value must be at least $min';
}
return null;
}