Keybindings / shortcuts for Github Enterprise for faster code reviews in pull requests

github-keybindings.js

// ==UserScript==
// @name         Github Enterprise Keyboard Shortcuts for Pull Requests
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       Attila Kerekes
// @match        https://github.url/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    addKeyBindings();

    function addKeyBindings() {
        var actions = {
            g: enterCommandMode
        };

        document.addEventListener('keydown', function (event) {
            try {
                actions[event.key]();
            } catch (e) {

            }
        });
    }

    function enterCommandMode() {
        document.addEventListener('keydown', onCommandKey);
        setTimeout(function () {
            try {
                exitCommandMode()
            } catch (e) {

            }
        }, 2000);
    }

    function onCommandKey(event) {
        var actions = {
            f: showPullRequestFiles,
            r: openReviewWindow,
            m: focusMergePullRequestButton,
            b: copyBranchName
        };

        try {
            actions[event.key]();
            event.preventDefault();
        } catch (e) {

        }

        exitCommandMode();
    }

    function exitCommandMode() {
        document.removeEventListener('keydown', onCommandKey);
    }

    function openReviewWindow() {
        var pathName = document.location.pathname;

        if (isPullRequestFilesPath(pathName)) {
            clickReviewButton();
            focusReviewMessageBox();
        }
    }

    function isPullRequestFilesPath(pathName) {
        return /pull\/\d*\/files$/.test(pathName);
    }

    function clickReviewButton() {
        document.querySelectorAll('.js-reviews-container .btn-primary')[0].click();
    }

    function focusReviewMessageBox() {
        document.querySelectorAll('#pull_request_review_body')[0].focus();
    }

    function showPullRequestFiles() {
        var pathName = document.location.pathname;

        if (isPullRequestPath(pathName)) {
            document.location.pathname = getPullRequestRootPath(pathName) + '/files';
        }
    }

    function isPullRequestPath(pathName) {
        return /pull/.test(pathName);
    }

    function getPullRequestRootPath(pathName) {
        return pathName
            .split('/')
            .slice(0,5)
            .join('/');
    }

    function focusMergePullRequestButton() {
        var pathName = document.location.pathname;

        if (isPullRequestPath(pathName)) {
            document.querySelectorAll('button[data-details-container=".js-merge-pr"]')[2].focus();
        }
    }

    function copyBranchName() {
        navigator.clipboard.writeText(getBranchName());
    }

    function getBranchName() {
        return document.querySelectorAll('.commit-ref')[1].title.split(':')[1];
    }
})();