Guest Gift

guest_gift.js

const wishlist = [
    { name: "Mini Puzzle", size: "small", clatters: "yes", weight: "light" },
    { name: "Toy Car", size: "medium", clatters: "a bit", weight: "medium" },
    { name: "Card Game", size: "small", clatters: "no", weight: "light" }
];

const presents = [
    { size: "medium", clatters: "a bit", weight: "medium" },
    { size: "small", clatters: "yes", weight: "light" },
];

function guestGift(wishlist, presents) {
  var result = presents.map(function(e, _) {
    return wishlist.find(
      (element, _) => (element['size'].toString() == e['size'].toString() &&
        element['clatters'].toString() == e['clatters'].toString() &&
        element['weight'].toString() == e['weight'].toString()),
    )['name'];
  });

  return result;
}


console.log(guestGift(wishlist, presents))

main.dart

/// Quiz from : https://gist.github.com/hafizkhairudin/4587d3c06e2903540b17bbc5b667cf44

void main() {
  List<Map<String, dynamic>> wishList = [
    {
      "name": "Mini Puzzle",
      "size": "small",
      "clatters": "yes",
      "weight": "light",
    },
    {
      "name": "Toy Car",
      "size": "medium",
      "clatters": "a bit",
      "weight": "medium",
    },
    {
      "name": "Card Game",
      "size": "small",
      "clatters": "no",
      "weight": "light",
    },
  ];

  List<Map<String, dynamic>> presents = [
    {
      "size": "medium",
      "clatters": "a bit",
      "weight": "medium",
    },
    {
      "size": "small",
      "clatters": "yes",
      "weight": "light",
    },
  ];

  print(guestGifts(wishList, presents).toString());
}

guestGifts(dynamic wishList, dynamic presents) {
  final result = presents.map((e) {
    return wishList.firstWhere(
      (element) => (element['size'].toString() == e['size'].toString() &&
          element['clatters'].toString() == e['clatters'].toString() &&
          element['weight'].toString() == e['weight'].toString()),
    )['name'];
  }).toList();
  return result;
}