Slack Custom Emoji Leaderboard

emoji_leaders.js

// Run on https://<yourteam>.slack.com/customize/emoji
var out = "CUSTOM EMOJI LEADERS\n";
var usersCount = {};
$('#custom_emoji .author_cell').each((i, el) => {
  let user = el.textContent.trim();
  let u = usersCount[user] ? usersCount[user] : {user: user, count: 0};
  u.count += 1
  usersCount[user] = u;
});


var topten = Object.values(usersCount)
  .sort((a, b) => {return a.count - b.count})
  .slice(-10)
  .reverse();

var widest = 0;
topten.forEach((x) => {
  let len = x.user.length;
  if (len > widest) {
    widest = len;
  }
});

topten.forEach((x, i) => {
  let padding = '.'.repeat(widest - x.user.length + 3);
  out += `${x.user}${padding}${x.count}\n`;
});

console.log(out);