integer method

int? integer(
  1. String name
)

Returns an integer query value, or null when it is absent.

Implementation

int? integer(String name) {
  final value = string(name);
  if (value == null) return null;
  return int.tryParse(value) ??
      (throw ParameterFormatException(
        'Search parameter "$name" must be an integer.',
        source: value,
      ));
}