JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = [{
    "id": 1,
    "hex": "#D92B2C",
    "line": "Сокольническая",
    "name": "Бульвар Рокоссовского"
  },
  {
    "id": 2,
    "hex": "#D92B2C",
    "line": "Сокольническая",
    "name": "Черкизовская"
  },
  {
    "id": 3,
    "hex": "#D92B2C",
    "line": "Сокольническая",
    "name": "Преображенская площадь"
  }
]





 

const result = data.reduce((res, item) => ({...res,[item.name]:null}), {})

console.log('object', result);
console.log('array', Object.keys(result));