sgp-mail.tampermonkey.js

// ==UserScript==
// @name         SGP Mail
// @namespace    http://solidgoldpig.com/tampermonkey/sgp-mail
// @version      0.1
// @description  Make Gmail more bearable
// @author       tampermonkey@alex.solidgoldpig.com
// @match        https://mail.google.com/*
// @grant        none
// ==/UserScript==
/* jshint ignore:start */

(function () {
  'use strict'
  var labelsToIgnore = [
    'cwjobs',
    'node-js',
    'wsg-announce',
    'w3c-training',
    'logcheck',
    'tzutzik@cloudband.com'
  ]

  var searchList = `label:unread ${labelsToIgnore.map((l) => '-label:' + l).join(' ')}`

  function showUnread () {
    document.querySelector('input[aria-label^="Search"]').value = searchList
    document.querySelector('button[aria-label^="Search"]').click()
  }

  if (window.Shortcut) {
    window.Shortcut.add('Meta+Shift+u', showUnread)
  }
})()