Automatically remove asterisk from the title of the Slack tab (auto renames the tab when asterisk shows up) (install via tampermonkey)

slack.tab.renamer.js

// ==UserScript==
// @name         Slack tab title asterisk remover
// @namespace    http://roman.chernobelskiy/
// @version      0.2
// @description  Permanently keeps the asterisk out of slack's tab title.
// @author       Roman Chernobelskiy
// @match        https://app.slack.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    new MutationObserver(function() {
        if(document.title.indexOf('*') != -1) document.title = document.title.replace('*', '');
    }).observe(document.querySelector('title'), {
        subtree: true,
        characterData: true,
        childList: true
    });
    new MutationObserver(function() {
        if(document.querySelector("link[rel~='icon']").href == "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAACXBIWXMAACxLAAAsSwGlPZapAAAFGmlUWHRYTUw6Y29tLmFkb2JlLnhtcAAAAAAAPD94cGFja2V0IGJlZ2luPSLvu78iIGlkPSJXNU0wTXBDZWhpSHpyZVN6TlRjemtjOWQiPz4gPHg6eG1wbWV0YSB4bWxuczp4PSJhZG9iZTpuczptZXRhLyIgeDp4bXB0az0iQWRvYmUgWE1QIENvcmUgNi4wLWMwMDIgNzkuMTY0NDg4LCAyMDIwLzA3LzEwLTIyOjA2OjUzICAgICAgICAiPiA8cmRmOlJERiB4bWxuczpyZGY9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkvMDIvMjItcmRmLXN5bnRheC1ucyMiPiA8cmRmOkRlc2NyaXB0aW9uIHJkZjphYm91dD0iIiB4bWxuczp4bXA9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC8iIHhtbG5zOmRjPSJodHRwOi8vcHVybC5vcmcvZGMvZWxlbWVudHMvMS4xLyIgeG1sbnM6cGhvdG9zaG9wPSJodHRwOi8vbnMuYWRvYmUuY29tL3Bob3Rvc2hvcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RFdnQ9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZUV2ZW50IyIgeG1wOkNyZWF0b3JUb29sPSJBZG9iZSBQaG90b3Nob3AgMjIuMCAoTWFjaW50b3NoKSIgeG1wOkNyZWF0ZURhdGU9IjIwMjAtMTItMTBUMTA6MzI6MzEtMDg6MDAiIHhtcDpNb2RpZnlEYXRlPSIyMDIwLTEyLTEwVDEwOjMzOjM2LTA4OjAwIiB4bXA6TWV0YWRhdGFEYXRlPSIyMDIwLTEyLTEwVDEwOjMzOjM2LTA4OjAwIiBkYzpmb3JtYXQ9ImltYWdlL3BuZyIgcGhvdG9zaG9wOkNvbG9yTW9kZT0iMyIgcGhvdG9zaG9wOklDQ1Byb2ZpbGU9InNSR0IgSUVDNjE5NjYtMi4xIiB4bXBNTTpJbnN0YW5jZUlEPSJ4bXAuaWlkOmExODkyZGRmLTQ4ZDItNDc0OS1iZmJiLTYyNDAxMmNjYmJkYSIgeG1wTU06RG9jdW1lbnRJRD0ieG1wLmRpZDphMTg5MmRkZi00OGQyLTQ3NDktYmZiYi02MjQwMTJjY2JiZGEiIHhtcE1NOk9yaWdpbmFsRG9jdW1lbnRJRD0ieG1wLmRpZDphMTg5MmRkZi00OGQyLTQ3NDktYmZiYi02MjQwMTJjY2JiZGEiPiA8eG1wTU06SGlzdG9yeT4gPHJkZjpTZXE+IDxyZGY6bGkgc3RFdnQ6YWN0aW9uPSJjcmVhdGVkIiBzdEV2dDppbnN0YW5jZUlEPSJ4bXAuaWlkOmExODkyZGRmLTQ4ZDItNDc0OS1iZmJiLTYyNDAxMmNjYmJkYSIgc3RFdnQ6d2hlbj0iMjAyMC0xMi0xMFQxMDozMjozMS0wODowMCIgc3RFdnQ6c29mdHdhcmVBZ2VudD0iQWRvYmUgUGhvdG9zaG9wIDIyLjAgKE1hY2ludG9zaCkiLz4gPC9yZGY6U2VxPiA8L3htcE1NOkhpc3Rvcnk+IDwvcmRmOkRlc2NyaXB0aW9uPiA8L3JkZjpSREY+IDwveDp4bXBtZXRhPiA8P3hwYWNrZXQgZW5kPSJyIj8+C9W52QAACWVJREFUeJztm11sHNUZhp9z9sdppNizkdM0wklmpUhE0Ji1IiPxk2JfQgTYF5YgFHm5Qb1BtqUipVWp1w0FRFvVVu+4iS01BJGLNaRKeufNRSpIsNg4IUJqJE9iV1StQ2YNgvWuZ75e7K7ZP6937bEhVR5plJ1zvnnnnM8zZ+a8c6LwmMjUHbOpSQ+ISBdgiMISVz5YzjKZ7A5Z9WgcPH/cDBLsx3V7UMrQS191JHtH7Xy1AjTgy2+BN7dt29mfTv+8GR5rgp/6oQ0gA59lYe42nNsPp3bu3Ln85ZdfZoFlwAVc5WXnH76YGgaJrVJtKSVjHz8aGq2l0f733w7gSlGMOzTz1O+Lj9GAf/fu3YF0Oh28lEo9fQD+oqG5lq4Dc/+CP+yHvwIZINvX1+d4loA1Ov8dWkcvPdI8Ua2q/fxvhhFVrGHNPHUiXNiJxWI6Fov5du/eHUyn08GbqdRbLfByI+1cgD/ugjeBJSDjSQIiU3fMYFDN1hluZzISTnaH7OLCg+ePm0EJlGiI8NLVoyfGc79FKaV0W1tb8Ouvv276p23/uhVeXU9778A74ZaW46lUKq3XI1BOU1APNxBuNAWIlhcGCJRr2GWdVwcOHPDPz8/7r9j2ixWdNwwYHoapKRDJbZ9+CtGKUxGClz9KpZ4BAp4kQEQiDcUrusrLlKtKNJRisjzkxo0bGgjcV95508x1NhaDriLpSAROnoTZ2VxMEffDWKypqdWTBKCIrBlThCjVUqlRmkTX5cJKlVKQG/H9N+EFH+wtOXZqqqKDJZhmLsYwippMyy+Wlp73JgFgeaSzgg8nWfjd19enAW0Yhq8VniwJjEZrd76AacLgYEnRDnjckwQoSHqhU0LmG6sgf+bMGWlra1O2bSs/7CuJGxioX/OJJ0p2m+BBTxLguDLmhU4xRS8+AGp+fl4BKggPlgRGIvWLFo8PgA/2epKAT46EErIJScgjZf96ildjAJePhAa9TEIkPmjkf6pYLCaAtLS0iAtzJYGJRP2iyWTJbgY+82+gjRVcPhIa7Lx4Z1wJg6AeQmFUi1NgrykW3G4CSREpPAUklUpJGq5tL34KXLhQcWmvyljp32cZ5jxNAMDlx0JJqHzRaRQHIkBSKSWAOnz4sDs9Pe18BRe3Fz8JRkehv3/tJ4Flwfh4SdECnPPsFvAarX3FQ7bs2LFD9uzZ45zctu2UC4srNbYN3d25Dq6GZeViinBg7lBz86kfbAJE6CkaBySRSLihUGj5V+n07RvwSkmwZUE4DC+9VHqfJxIwMgIdHRUJ+gLeXlxcXPZ0OrwR2s+9VmWUL5kKF3yAIBC04e1GZ4IF8jPCN4B0yRgQmbpjBrfpfkQiSGOvt6tgi8JGZCKbIVGvIfIdegAYze9IfssCGHD8v1ovtrruLxtRTME7B1pa3iCVWgKyK1dA5z9SA0qKjQjPsXBk6NLPQpPVKqtfAQAMzTx1YrSwE4vF9NmzZ33T09MBwzCCV2z7xfvg1Yr5QRkuLN6AV+6HD8kbIkDOEKnbzPCCVQyRGgmwM0vZjs9737Ly+yq/6ba2tkA6nfZns1n/tVTqhRAcDcDewtviMsxn4OpXcPEknPpTa+vthYWF5cOHDy9PT087gKgGzQwvqGqI1EgAgJVZynYXklDwB8glwle26Xw5LS0tkkqlXMABnAceeMC5fv26KyJO/vGKbtDM8IKqhsgamMGgP34wftwEyDfezW/LfX19GXIWV9o0zW9N0/ymra3t21Ao9C2QBpb6+voy169fXwZWOg+gXaRn431qjGqGyJooFQk2BaYKSShIAXLmzBmHnNObjUajmc7Ozuz8/Hyms7MzS/5ef//99wsJK7nS1MMX7U2ZZNRCFInLjxolbyZr3ALF2MBI8cBYoZ+7RaDGBCrnPrtRv4CtqP7OvsVYgFlHnAH8uf38a10zT57oqRZQfIkXY8YHjeamHVFgAFdMQSX8Wkiu65LcANqVDypL5QIos24RV6zyooPxmJnGtq28l2DGB43twe2mDyJo3xNK6KHoj61ErvgdkRGtVFdDPdggyldheOI6jGsf/fVq6Ix/tLws2ORMBdlhtp97rfKAKteEzvhH9SdHQgkRqfqhYnOQkY8eqXwjvPb06wmkTj9B1EiyN1ah0Vgzchoa4PLjoegmOjorKJGhS4+FYqvVzxx9fXDNJIgamTn6u1U16qJIY2U2ePlIaNB1pRuYxFuX11LImCAdHz9e+7sg5JLgOtINMoFIsqCByJgWX8cGOm8hMuY60r3hBN7jHvf4v6HEEZo1egzdvH0g/7HTqHqA0sn9t04NrSZYTUNQE2TdRPjf71n1NGo2bhrN/uaa7VgPLkw4Tjaxp/fzlXasJODmvmMDgoqB1D6hSMKcO91drWoNDUtEhsJzpydryd8+2z6AEJNNej1XYDnIyI+fuToO+cfgzX3HhgVG1+x8DerQMJVS8dm9z/espnH7bPuwCKOb1XkAAVOjTi78rb0fQM3+5DlTBXX9hkiVK6BBDVsWvwmH7Um7uPCL+EEz4AtuqTHjc3RY68DGDZEGNQyafxQtLwz4KlaIbDbGsnYHtSh6NqokqnR1Rx1HdJWXqIY1PCGi8eR+a2yJjJLKFSLijQ3fEFrxkKaeD5VbgBLvV5mshSCWRqlkQwcpqpgZG8fhuzVBW4aoK1ocZ6Shg7RMbkZblOuOb4ZuLbKuHtXh+ffqNkQERsJWfW9zjbKr91oCYdM9iQIijOzpTeYMkfDc6ahQ++SCDIVvvRvbzEa1PjszuBVJEGFk17MzMSgyRMK33h0UkV5yCxTtfLElyJhoOsK3To9udsMglwRx3G6QybpWktRJbpCVcXHc7kLnoWwytF6sfcca+7ZQYz6x1fxgF0hsFfcS8H034PvG81Vi62Xhw0NTNaptFz4oNzO84AeTAFBdtWo19Ph8QWshfmiotffqpFdnvatuAQETn4ovxA/1eKV5VyVgBZ86eSceMbyQujsTAMayz416IXS3JgDEm0/6d20CNOz3SMcT7I0KNGqIiJINnxO8SoCQaChcuFJRple+BNcpoio01oNH/23ObWwK669ckSrLja1PyLq6QmM9eJIAL0yVRgyRgpnRWCur49kgWJ+pwkgtU6UeQ6TYzPACz5fLz+59Lqq0L7fiPGe5WwoSrutOhOffS9Sj8Z/4oaj28axCdQkYCmxBJsWRiV291+rSqJf/AayV+EHfWClzAAAAAElFTkSuQmCC"){
            document.querySelector("link[rel~='icon']").href = "data:image/png;base64,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";
        }
    }).observe(document.querySelector("head"), {
        childList: true
    });
})();