Open GitHub URL for Gmail

Open `view it on GitHub` link of notification email on Gmail.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Open GitHub URL for Gmail
// @namespace    http://kyanny.me/
// @version      0.1
// @description  Open `view it on GitHub` link of notification email on Gmail.
// @author       Kensuke Nagae
// @match        https://mail.google.com/*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';
  window.addEventListener('keyup', function(e) {
    if (e.key === "v" || e.key === "V") {
      Array.prototype.slice.call(
        document.querySelectorAll('a')
      ).some(function(el) {
        if (el.textContent.match(/^View it on GitHub$/i)) {
          el.click();
          return true;
        }
      });
    }
  });
})();