Followers js exam

function solve(args) {
  let inputLine = args.shift();

  const records = {};

  while (inputLine !== 'Log out') {
    let [command, username, count] = inputLine.split(': ');
    count = Number(count);
    switch (command) {
      case 'New follower':
        if (!Object.prototype.hasOwnProperty.call(records, username)) {
          records[username] = { likes: 0, comments: 0 };
        }
        break;
      case 'Like':
        if (!Object.prototype.hasOwnProperty.call(records, username)) {
          records[username] = { likes: count, comments: 0 };
        } else {
          records[username].likes += count;
        }
        break;
      case 'Comment':
        if (!Object.prototype.hasOwnProperty.call(records, username)) {
          records[username] = { likes: 0, comments: 1 };
        } else {
          records[username].comments += 1;
        }
        break;
      case 'Blocked':
        if (Object.prototype.hasOwnProperty.call(records, username)) {
          delete records[username];
        } else {
          console.log(`${username} doesn't exist.`);
        }
        break;

      default:
        break;
    }

    inputLine = args.shift();
  }

  console.log(`${Object.keys(records).length} followers`);

  Object.entries(records)
    .sort((a, b) => b[1].likes - a[1].likes || a[0].localeCompare(b[0]))
    .forEach((element) => {
      const [username, props] = element;
      const { likes, comments } = props;

      const sum = likes + comments;
      console.log(`${username}: ${sum}`);
    });
}