spam remover reddit april fools

gistfile1.txt

function hash(str) {
  var hash = 0, i, chr, len;
  if (str.length === 0) return hash;
  for (i = 0, len = str.length; i < len; i++) {
    chr   = str.charCodeAt(i);
    hash  = ((hash << 5) - hash) + chr;
    hash |= 0;
  }
  return hash;
};

var spamObject = {};
var spamByUser = {};

$(document).on('DOMNodeInserted', function(e) {
    if (e.target.id != 'robinChatMessageList') {
        $('.robin-message--message', e.target).each(function() {
            var user = $(this).parent().find('.robin-message--from').text();
            var time = new Date().valueOf();
            if (!spamByUser[user]) {
                spamByUser[user] = { count: 0, time: time };
            }
            if (time - spamByUser[user].time > 10000) {
                spamByUser[user].count /= 1.25;
            }
            if (spamByUser[user].count > 5 && time - spamByUser[user].time < 10000) {
                spamByUser[user].time = time;
                spamByUser[user].count += 1;
                $(this).parent().remove();
            } else if (/[\u0080-\uFFFF]|(?:\[Robin Autovoter)/.test($(this).text())) {
                spamByUser[user].count += 1;
                $(this).parent().remove();
            } else {
                var textHash = hash($(this).text());
                if (!spamObject[textHash]) {
                    spamObject[textHash] = 0;
                }
                var count = spamObject[textHash] += 1;
                if (count > 3) {
                    spamByUser[user].count += 1;;
                    $(this).parent().remove();
                }
            }
        });
    }
});

Done!

It's getting way too complex for a simple one day script ... but it tracks spamminess of each user now.