Recursive Array search

search-recursive.js

const array = [
  { id: 1 }, 
  { id: 2 }, 
  { id: 3 }, 
  { id: 4, children: [
    { id: 6 }, 
    { id: 7, children: [
      { id: 8 }, 
      { id: 9 }
    ]
    }
  ]}, 
  { id: 5 }
];

function recursiveFind(data, id) {
    function iter(a) {
        if (a.id === id) {
            result = a;
            return true;
        }
        return Array.isArray(a.children) && a.children.some(iter);
    }

    var result;
    data.some(iter);
    return result
}

// recursiveFind(array, 8)