Hide status bar on Slack

slack-hide-status-bar.user.js

// ==UserScript==
// @name         Hide status bar on Slack
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://*.slack.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var observeDOM = (function(){
        var MutationObserver = window.MutationObserver || window.WebKitMutationObserver,
            eventListenerSupported = window.addEventListener;

        return function(obj, callback){
            if( MutationObserver ){
                // define a new observer
                var obs = new MutationObserver(function(mutations, observer){
                    if( mutations[0].addedNodes.length || mutations[0].removedNodes.length )
                        callback();
                });
                // have the observer observe foo for changes in children
                obs.observe( obj, { childList:true, subtree:true });
            }
            else if( eventListenerSupported ){
                obj.addEventListener('DOMNodeInserted', callback, false);
                obj.addEventListener('DOMNodeRemoved', callback, false);
            }
        };
    })();

    function removeStatusBar(e){
         $('.im_name, .channel_name').removeAttr('href');
    }

    var interval = setInterval(function(){
        if($('.im_name, .channel_name').length){
              removeStatusBar();
              clearInterval(interval);
        }
    }, 500);

    // Observe a specific DOM element:
    observeDOM(document.getElementById('channels'), removeStatusBar);
    observeDOM(document.getElementById('direct_messages'), removeStatusBar);

})();