LightningReadability.user.js

// ==UserScript==
// @name         LightningReadability
// @namespace    http://tampermonkey.net/
// @description  SalesForce lightning readability
// @author       roylez
// @include      https://*.lightning.force.com/lightning/*/Case*
// @license      MIT
// @grant        GM_addStyle
// jQuery is already loaded
// @updateURL    https://gist.github.com/roylez/851f61838d6b79d3501e9bfe37c9f063/raw/LightningReadability.user.js
// @downloadURL  https://gist.github.com/roylez/851f61838d6b79d3501e9bfe37c9f063/raw/LightningReadability.user.js
// @run-at       document-start
// ==/UserScript==

GM_addStyle ( `
    .region-sidebar-left {
      display: none;
    }
    .region-main { width: 100% !important; }
    .region-main,.oneConsoleTab .cellContainer {
      font-family: monospace;
      font-size: medium;
    }
    .oneUtilityBarPanel {
      height: 480px; bottom: -480px; width: 460px; z-index: 2;
    }
` );

var $ = window.jQuery

// new MutationObserver(function(mutation) {
//   if ($('.region-main').innerHTML) {
//     console.log("found!!!!!!")
//   } else {
//     console.log("not found!!!")
//   }
// }).observe(document, {
//   subtree: true,
//   childList: true,
//   attributes: false,
//   characterData: false,
//   attributeOldValue: false,
//   characterDataOldValue: false
// })
//