immutable.js

const { Map, List, Set, fromJS } = Immutable;

// log
const log = (...args) => console.log(...args.map((arg) => JSON.parse(JSON.stringify(arg))));

// users
const users = fromJS([
  {
    name: "Vasya",
    surname: "Ivanov",
    age: 22,
    interests: ["computers", "food"]
  },
  {
    name: "Ivan",
    surname: "Tretyakov",
    age: 34,
    interests: ["computers", "food", "cars"]
  },
  {
    name: "Daryna",
    surname: "Petrova",
    age: 21,
    interests: ["cars", "math"]
  },
  {
    name: "Petro",
    surname: "Nalyvaiko",
    age: 45,
    interests: ["computers", "food", "math"]
  }
]);

log("--- filtering objects ---");
{
  const search = "pet";
  const filteredUsers = users.filter(
    (user) => (user.get("name") + user.get("surname")).toLowerCase().search(search) !== -1
  );

  log(filteredUsers);
}

log("--- all users with computers in interests ---");
{
  const interest = "computers";
  const filteredUsers = users.filter((user) => user.get("interests").includes(interest));

  log(filteredUsers);
}

log("--- all users with computers in interests ---");
{
  const interest = "computers";
  const filteredUsers = users.filter((user) => user.get("interests").includes(interest));

  log(filteredUsers);
}

log("--- interests of all users ---");
{
  const interests = users.reduce(
    (interestSet, user) => interestSet.union(user.get("interests")),
    new Set()
  );

  log(interests);
}

log("--- sort by age ---");
{
  const sortedUsers = users.sortBy((user) => user.get("age"));

  log(sortedUsers);
}