1
var hasGroupsSizeX = function (deck) {
2
  let unique = [...new Set(deck)],
3
    three = 0,
4
    two = 0,
5
    five = 0,
6
    size = 0,
7
    same = 0,
8
    s = 0;
9

10
  for (let i = 0; i < unique.length; i++) {
11
    for (let y = 0; y < deck.length; y++) {
12
      if (unique[i] === deck[y]) {
13
        size++;
14
      }
15
    }
16
    if (size < 2) return false;
17
    if (size % 2 === 0) two++;
18
    if (size % 3 === 0) three++;
19
    if (size % 5 === 0) five++;
20
    if (s === size) same++;
21
    s = size;
22
    size = 0;
23
  }
24

25
  if (
26
    Math.max(two, three, five) !== unique.length &&
27
    same !== unique.length - 1
28
  )
29
    return false;
30
  return true;
31
};