getItem method

Product? getItem(
  1. String? id
)

Implementation

Product? getItem(String? id) {
  if (id == null || toInt(id) >= _nextUsableID) return null;
  return _products[id] ??= Product._(
    toInt(id),
    (_rawData["avalable"].toMap()[id].nullOr ??
            _rawData["deleted"].toMap()[id])
        .toMap(),
  );
}