How to form an object with a new structure based on the current one?

Question

JavaScript

Hello.
Initial data:

const data = [
  {name: "Аня", count: 21},
  {name: "Петя", count: 40},
  {name: "Петя", count: 7},
  {name: "Аня", count: 4},
  {name: "Никита", count: 49}
]

There are no problems with finding the same values ​​of the name key , but it is not possible to make a new object:

const newData = {
  "Аня": [
    {name: "Аня", count: 21},
    {name: "Аня", count: 4}
  ],
  "Петя": [
    {name: "Петя", count: 40},
    {name: "Петя", count: 7}
  ],
  "Никита": [
    {name: "Никита", count: 49}
  ]
}

Answer 1

data.reduce((acc, n) => ((acc[n.name] = acc[n.name] || []).push(n), acc), {})