extractPurchased function Null safety

List<PurchasedItem>? extractPurchased(
  1. dynamic result
)

Implementation

List<PurchasedItem>? extractPurchased(dynamic result) {
  List<PurchasedItem>? decoded = json
      .decode(result.toString())
      .map<PurchasedItem>(
        (dynamic product) =>
            PurchasedItem.fromJSON(product as Map<String, dynamic>),
      )
      .toList();

  return decoded;
}