isIntString function

IValidator isIntString()

Validates that the String can be parsed as an int (e.g. '123', '-42')

Implementation

IValidator isIntString() =>
    isType<String>() &
    validator(
      (value) => int.tryParse(value.trim()) != null,
      (value) => Expectation(
          message: 'a valid formatted int String', value: value, code: 'value.format_invalid', data: {'format': 'int'}),
    );