numeric static method

Map<String, String>? numeric(
  1. AbstractControl control
)

Implementation

static Map<String, String>? numeric(AbstractControl control) {
  if (Validators.required(control) != null) return null;

  if (control.value is num) {
    return null;
  } else {
    try {
      num.parse(control.value as String);
    } on FormatException {
      return {
        'error': Intl.message('Enter a numeric value',
            name: 'fo_validator_error_numeric')
      };
    }
    return null;
  }
}