Динамично изменяя размер окна в Xaml

const data = {
  "results": [
    {
      "_id": "5c3e2e2565d9440e8e4fa3f3",
      "team1": 2,
      "team2": 4,
      "createdAt": "2019-01-15T19:01:57.842Z",
      "updatedAt": "2019-01-15T19:01:58.020Z",
      "__v": 0,
      "user": "5c385ff34ae2c90d18fcb95f"
    },
    {
      "_id": "5c3e2e2865d9440e8e4fa3f4",
      "team1": 3,
      "team2": 2,
      "createdAt": "2019-01-15T19:02:00.480Z",
      "updatedAt": "2019-01-15T19:02:00.649Z",
      "__v": 0,
      "user": "5c385ff34ae2c90d18fcb95f"
    },
    {
      "_id": "5c3e2e5265d9440e8e4fa3f5",
      "team1": 1,
      "team2": 3,
      "createdAt": "2019-01-15T19:02:42.642Z",
      "updatedAt": "2019-01-15T19:02:42.814Z",
      "__v": 0,
      "user": "5c385ff34ae2c90d18fcb95f"
    }
  ]
}

const processData = (data) => data.reduce((acc, {team1, team2}) => { // acc is accumulator array, destructure data object into properties you want
  acc.push([team1, team2]); // create new array of teams 1 and 2 and push into accumulator
  return acc;
}, []);

console.log(processData(data.results));