update object in array if id exists else append javascript

1function upsert(array, item) { // (1)
2  const i = array.findIndex(_item => _item.id === item.id);
3  if (i > -1) array[i] = item; // (2)
4  else array.push(item);
5}
6
7const array = [
8  {id: 0, name: 'Apple', description: 'fruit'},
9  {id: 1, name: 'Banana', description: 'fruit'},
10  {id: 2, name: 'Tomato', description: 'vegetable'}
11];
12
13upsert(array, {id: 2, name: 'Tomato', description: 'fruit'})
14console.log(array);
15/* =>
16[
17  {id: 0, name: 'Apple', description: 'fruit'},
18  {id: 1, name: 'Banana', description: 'fruit'},
19  {id: 2, name: 'Tomato', description: 'fruit'}
20]
21*/
22
23upsert(array, {id: 3, name: 'Cucumber', description: 'vegetable'})
24console.log(array);
25/* =>
26[
27  {id: 0, name: 'Apple', description: 'fruit'},
28  {id: 1, name: 'Banana', description: 'fruit'},
29  {id: 2, name: 'Tomato', description: 'fruit'},
30  {id: 3, name: 'Cucumber', description: 'vegetable'}
31]
32*/